Patent Publication Number: US-2020284014-A1

Title: Toilet remote controller

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims the priority of Japanese Application No. 2019-042286, filed Mar. 8, 2019, Japanese Application No. 2019-042287, filed Mar. 8, 2019, and Japanese Application No. 2019-042288, filed Mar. 8, 2019, the entire contents of each of which are incorporated herein by reference. 
     FIELD OF THE DISCLOSURE 
     The present disclosure relates to a toilet remote controller. 
     BACKGROUND OF THE DISCLOSURE 
     JP 2011-84867A discloses a conventional toilet remote controller device. The toilet remote controller device includes a remote controller main body, and various operation switches are arranged on the outer surface of the remote controller main body. 
     SUMMARY OF THE DISCLOSURE 
     The toilet remote controller device of JP 2011-84867A has an improved design that includes a symmetrical shape, a symmetrical arrangement, or the like for the remote controller main body or the operation switch. Such a remote controller for toilets is required to further improve the designability. 
     The present disclosure includes a toilet remote controller that can make designability favorable. 
     In some embodiments, provided is a toilet remote controller for remotely operating a toilet device, including a remote controller main body including: an operation unit for operating the toilet device; a case forming a storage space for storing an electrical component; and a cover panel that is provided at a position corresponding to the operation unit and covers the case with light permeability. 
    
    
     
       BRIEF DESCRIPTION OF THE FIGURES 
         FIG. 1  is a perspective view showing the front of a toilet remote controller, according to some embodiments; 
         FIG. 2  is a perspective view showing the back of the toilet remote controller, according to some embodiments; 
         FIG. 3  is an exploded perspective view showing the toilet remote controller, according to some embodiments; 
         FIG. 4  is a view showing the toilet remote controller, specifically, a transverse cross-sectional view in which the internal structure is omitted, according to some embodiments; 
         FIG. 5  is a view showing the toilet remote controller, specifically, a longitudinal cross-sectional view in which the internal structure is omitted, according to some embodiments; 
         FIG. 6  is a cross-sectional view schematically showing a cover panel, according to some embodiments; 
         FIG. 7  is a front view showing the toilet remote controller, according to some embodiments; 
         FIG. 8  is a toilet remote controller, specifically, a perspective view showing the back surface side of the remote controller main body and the front surface side of a holder, according to some embodiments; 
         FIG. 9  is a front view showing a state where the remote controller main body is held on the holder fixed to a mounting surface, according to some embodiments; 
         FIG. 10A  is a cross-sectional view showing a state where the remote controller main body is held on the holder fixed to the mounting surface, specifically, a cross-sectional view corresponding to a cross section at the position X-X in  FIG. 9 ; 
         FIG. 10B  is an enlarged view of the main part of  FIG. 10A ; 
         FIG. 11  is a rear view showing the back surface of the remote controller main body, according to some embodiments; 
         FIG. 12  is a perspective view showing the holder in a state where a lid member is removed, according to some embodiments; 
         FIG. 13  is a toilet remote controller, specifically, a perspective view showing a state before the remote controller main body is mounted to a holder, according to some embodiments; 
         FIG. 14  is a rear view showing the back surface of the remote controller main body, according to some embodiments; 
         FIG. 15  is a front view showing a state where the remote controller main body is held on the holder fixed to the mounting surface, according to some embodiments; 
         FIG. 16  is a cross-sectional view showing the state where the remote controller main body is held on the holder fixed to the mounting surface, according to some embodiments; 
         FIG. 17  is a perspective view showing a state before assembly of a first member and a second member, according to some embodiments; 
         FIG. 18  is a front view showing the holder in a state where a pair of holding portions approach each other, according to some embodiments; 
         FIG. 19  is a rear view showing the holder in the state where the pair of holding portions approach each other, according to some embodiments; and 
         FIG. 20  is a rear view showing the holder in a state where the pair of holding portions is separated from each other, according to some embodiments. 
     
    
    
     DETAILED DESCRIPTION OF THE DISCLOSURE 
     In the following description, an up-and-down direction is based on the up-and-down direction in  FIGS. 5 and 7 , and a front-back direction and a left-and-right direction are based on the up-and-down direction and the left-and-right directions in  FIG. 4 , respectively. That is, a description will be given assuming that in a state where a lower wall portion  54  described later is placed on a horizontal plane, a front direction of a surface on which a first operation unit  11  described later is arranged is a front side, the upper side is an upside, and a direction orthogonal to the front-back direction and the up-and-down direction is the left-and-right direction. 
     A toilet remote controller  100  according to some embodiments is a device for remotely operating a toilet device (not shown). The toilet remote controller  100  includes a remote controller main body  10 . As shown in  FIGS. 1 and 2 , the remote controller main body  10  has a columnar outer shape that is longer in the up-and-down direction than the left-and-right direction and is slightly flat in the front-back direction. The remote controller main body  10  includes a first operation unit  11  arranged on the front side and a second operation unit  12  arranged on the back side. The first operation unit  11  is an operation unit for performing operations such as an opening/closing function of a toilet lid and a toilet seat of the toilet device, a hot water shower function, and a toilet flushing function. The first operation unit  11  employs electrostatic capacitance touch switches. The second operation unit  12  is an operation unit for performing setting operations for various functions of the toilet device described above. The second operation unit  12  employs contact type switches. The remote controller main body  10  is detachably mounted to a wall surface of a toilet room via a holder (not shown). The remote controller main body  10  is mounted to the holder on the wall in a form in which the back surface is opposed to the wall surface. 
     As shown in  FIGS. 1 to 3 , the remote controller main body  10  includes a case  20  and a cover panel  30 . The case  20  forms a storage space  20 A for storing an electrical component  13  that includes the above-described switches, a light source  60  described later, and the like. The case  20  includes a first case member  40  on the front side and a second case member  50  on the back side. The first case member  40  and the second case member  50  are each made of a hard synthetic resin such as acrylonitrile butadiene styrene (ABS). The first case member  40  and the second case member  50  are combined with each other to form the storage space  20 A. The first case member  40  and the second case member  50  are combined by a plurality of tapping screws  14  fastened from the second case member  50  side on the back side. 
     As shown in  FIGS. 3 to 5 , the first case member  40  includes a front wall portion  41 , side wall portions  42 , an upper end wall portion  43 , and a lower end wall portion  44 . The front wall portion  41  is formed to be gently curved backward as approaching from the center to the left and right sides. On the inner surface of the front wall portion  41 , bosses  45  to which the tapping screws  14  are fastened are provided at a plurality of locations. A lower portion of the front wall portion  41  is formed with a through hole  41 A formed so as to penetrate the front and back surfaces. The through hole  41 A is a rectangular hole whose longitudinal direction is the left-and-right direction. The through hole  41 A is a window hole for allowing light from the light source  60  described later as the electrical component  13  to appear outside the case  20  when the light source  60  is turned on in the storage space  20 A. 
     As shown in  FIGS. 3 and 4 , the pair of left and right side wall portions  42  is provided in a form extending backward from left and right ends of the front wall portion  41 . The side wall portions  42  are each formed in a stepped shape in which the base end side (connection portion side with the front wall portion  41 ) projects inward (back surface side) than the distal end side. Locking portions  46  are provided on the outer surface of each side wall portion  42 . As shown in  FIG. 3 , the plurality of locking portions  46  is provided in line in the up-and-down direction. The locking portions  46  are locked to locked portions  33  of the cover panel  30  described later, respectively. In some embodiments, the locking portions  46  and the locked portions  33  adopt a so-called snap-fit structure as a locking form. The locking portions  46  are claw portions that are protrudingly formed. 
     As shown in  FIGS. 3 and 5 , the upper and lower end wall portions  43  and  44  are provided in a form extending backward from the upper and lower ends of the front wall portion  41 , respectively. Like the side wall portions  42 , the end wall portions  43  and  44  are each formed in a stepped shape in which the base end side (connection portion side with the front wall portion  41 ) projects inward (back surface side) than the distal end side. The left and right end portions of the upper end wall portion  43  and the lower end wall portion  44  are connected to the upper and lower end portions of the side wall portions  42 , respectively. It can be said that the upper and lower end wall portions  43  and  44  having such configuration form a peripheral wall in a form surrounding the outer peripheral edge of the front wall portion  41  together with the side wall portions  42 . 
     As shown in  FIGS. 3 to 5 , the second case member  50  includes a back wall portion  51 , outer wall portions  52  (exemplified as a cover portion), an upper wall portion  53 , a lower wall portion  54 , inner wall portions  55 , and inner end wall portions  56 . The back wall portion  51  is formed in a form that gently curves forward as approaching from the center to the left and right sides. As shown in  FIGS. 4 and 5 , the back wall portion  51  is formed with counterbores  51 A, a recessed portion  51 B, and a storage portion  51 C. The tapping screws  14  used for the combination of the second case member  50  and the first case member  40  are inserted into the counterbores  51 A. The counterbores  51 A are formed at a plurality of locations on the bottom surface of the recessed portion  51 B and the bottom surface of the storage portion  51 C. 
     As shown in  FIGS. 2 and 5 , the recessed portion  51 B is formed by recessing the outer surface of the back wall portion  51  to the front side (inner surface side). The recessed portion  51 B is formed in a large range from the upper end side portion to the over half of the back wall portion  51 . The second operation unit  12  is provided in the recessed portion  51 B. The bottom surface of the recessed portion  51 B is formed flat, and a plurality of holes  51 D for switches of the second operation unit  12  and a hole  51 E for a small liquid crystal display (LCD) on which a setting screen is displayed when the second operation unit  12  is operated are formed so as to penetrate the front and back surfaces. A name plate  15  is affixed to the bottom surface of the recessed portion  51 B by a double-sided tape (not shown). The name plate  15  is formed by printing on a transparent resin sheet such as polyethylene terephthalate (PET). The recessed portion  51 B is also an engagement portion with a holder when the remote controller main body  10  is fixed to the wall surface. The remote controller main body  10  is held in an engaged state by a magnetic force of a magnet (not shown) arranged in at least one of the remote controller main body  10  and the holder by fitting the holder into the recessed portion  51 B. 
     As shown in  FIGS. 2 and 5 , the storage portion  51 C is formed below the recessed portion  51 B so as to be adjacent thereto. The storage portion  51 C is a portion in which a dry battery serving as a power source for the electrical component  13  is stored. The storage portion  51 C is closed by fitting a lid member  16 , and the inner space is concealed. The outer surface of the lid member  16  is formed in a curved surface shape that is continuous with the curved surface shape of the outer surface of the back wall portion  51  in a state where the lid member  16  is fitted to the storage portion  51 C. 
     As shown in  FIG. 4 , the outer wall portions  52  are provided at left and right end portions of the back wall portion  51 . The outer wall portions  52  each have a curved surface shape having a form continuous with the curved surface shape of the back wall portion  51 , and are formed to protrude from the left and right end portions of the back wall portion  51  while being curved forward (see  FIG. 2 ). The outer wall portions  52  cover the end portions of the cover panel  30 . Specifically, the outer wall portions  52  cover end portions  32 A of panel side portions  32  described later of the cover panel  30 . 
     As shown in  FIG. 5 , the upper wall portion  53  and the lower wall portion  54  are respectively provided in a form extending forward from the upper and lower ends of the back wall portion  51 . The upper wall portion  53  and the lower wall portion  54  each have a flat plate shape. The outer shape of the upper wall portion  53  and the lower wall portion  54  in a plan view is a substantially symmetrical shape in the front-back direction. Specifically, the upper wall portion  53  and the lower wall portion  54  have shapes in which the outer shapes on the back end side in a plan view are curved along the outer surface shapes of the back wall portion  51  and the outer wall portions  52 . The outer shapes on the front end side of the upper wall portion  53  and the lower wall portion  54  are each a curved shape along the outer surface shape of the cover panel  30  described later. 
     As shown in  FIG. 4 , the inner wall portions  55  are provided at left and right end portions of the back wall portion  51 , respectively. The inner wall portions  55  each have a flat plate shape. The inner wall portions  55  are formed to extend forward from the inner surface of the back wall portion  51 . In other words, the inner wall portions  55  are formed so as to protrude in a flat plate shape from the back surface (inner surface) of the back wall portion  51  in such a form that gaps  50 A at predetermined intervals are respectively formed between the inner wall portions  55  and the inner surfaces of the outer wall portions  52  formed to be curved forward from the end portions of the back wall portion  51 . As shown in  FIG. 4 , the front end surfaces of the inner wall portions  55  abut against the steps of the side wall portions  42  of the first case member  40  when the second case member  50  is combined with the first case member  40 , and at the same time, the outer side surfaces of the inner wall portions  55  are overlaid on the inner side surfaces of the side wall portions  42 . 
     As shown in  FIG. 5 , the inner end wall portions  56  are erected on the inner surface of the back wall portion  51  that is on the inner side of the upper wall portion  53  and the lower wall portion  54 . The inner end wall portions  56  are provided at a predetermined interval from the upper wall portion  53  and the lower wall portion  54  toward the center direction. The inner end wall portions  56  are formed to extend forward from the inner surface of the back wall portion  51 . In other words, the inner end wall portions  56  are formed so as to protrude in a flat plate shape from the back surface (inner surface) of the back wall portion  51  in such a form that gaps  50 B at predetermined intervals are respectively formed between the inner end wall portions  56  and the inner surfaces of the upper wall portion  53  and the lower wall portion  54 . As shown in  FIG. 5 , the front end surfaces of the inner end wall portions  56  abut against the steps of the upper and lower end wall portions  43  and  44  of the first case member  40  when the second case member  50  is combined with the first case member  40 , and at the same time, the outer side surfaces of the inner end wall portions  56  are overlaid on the inner side surfaces of the end wall portions  43  and  44 . 
     The cover panel  30  is provided at a position corresponding to the first operation unit  11  and covers the case  20  with light permeability. In some embodiments, the cover panel  30  covers the outer surface of the first case member  40  as shown in  FIGS. 4 and 5 . Thereby, in the remote controller main body  10 , the outer surface of the cover panel  30  and the outer surface of the second case member  50  are exposed, and the outer surface of the first case member  40  is covered with the cover panel  30 . As shown in  FIG. 4 , the shape of the inner surface of the cover panel  30  has a shape curved in a recessed shape following the outer surface shape of the first case member  40 . Thus, when the cover panel  30  is assembled to the first case member  40 , the first case member  40  is fitted so that the inner surface of the cover panel  30  and the outer surface of the first case member  40  (outer surfaces of the front wall portion  41  and the side wall portions  42 ) are overlaid on each other. The outer surface of the cover panel  30  is formed in a smooth surface shape with no irregularities as a whole from the front to the side. The “smooth surface shape” means that there are no steps, protrusions, etc., and it is not intended that there are no fine irregularities (for example, those formed due to surface treatment such as embossing, blasting, etc.). 
     As shown in  FIG. 4 , the cover panel  30  includes a panel front portion  31  and the panel side portions  32 . The panel front portion  31  is formed in a form that gently curves backward from the center toward the left and right end portions. The panel side portions  32  are provided so as to be connected to left and right end portions of the panel front portion  31 . The panel side portions  32  each have a curved surface shape in a form that is continuous with the curved surface shape of the panel front portion  31 , and are formed to protrude from the left and right end portions of the panel front portion  31  while being further curved backward. 
     As shown in  FIG. 3 , locked portions  33  are provided on the outer surface of the panel side portions  32 . The locked portions  33  are provided in line in the up-and-down direction. The locked portions  33  are respectively locked with the above-described locking portions  46  provided on the first case member  40 . The cover panel  30  and the first case member  40  are held in a combined state by the locking of the locking portions  46  and the locked portions  33 . In some embodiments, the locked portions  33  are hole portions, and are locked with the locking portions  46  that are claw portions by a snap fit structure. The combined state of the cover panel  30  and the first case member  40  is maintained not only by the locking of the locking portions  46  and the locked portions  33 , but also by adhesion by a double-sided tape (not shown) interposed between the inner surface of the panel front portion  31  and the outer surface of the front wall portion  41 . 
     As shown in  FIG. 4 , the end portions  32 A of the panel side portions  32  are covered with the outer wall portions  52 . Specifically, the panel side portions  32  are each formed in a stepped shape in which the base end side (panel front portion  31  side) projects outward than the distal end side. In the assembled state, the front end surfaces of the outer wall portions  52  abut against the steps of the panel side portions  32 , and the outer surfaces on the distal end side of the panel side portions  32  are overlaid on the inner surfaces of the outer wall portions  52 . The outer surface of the cover panel  30  and the outer surface of the second case member  50  combined in this way form a continuous surface without a step in the front-back direction. 
     In some embodiments, the cover panel  30  is formed having a plurality of layers. Specifically, as shown in  FIG. 6 , the cover panel  30  includes a base layer  30 A, a printing layer  30 B, a first coating layer  30 C, and a second coating layer  30 D. The base layer  30 A is made of a transparent resin such as polycarbonate (PC). The printing layer  30 B is formed on the back surface (inner surface) of the base layer  30 A. The printing layer  30 B is a layer printed with a display of characters, figures, symbols, patterns, etc., and can be formed on at least a part of the back surface of the base layer  30 A. Specifically, in cases, as the printing layer  30 B, a layer printed with a plurality of pictograms related to the operation of the toilet device is formed at a portion corresponding to the first operation unit  11  (see  FIG. 7 ), and a layer printed with a logo is formed at a portion that is below the plurality of pictograms and corresponds to the through hole  41 A of the first case member  40  (see  FIG. 7 ). These printing layers  30 B are formed as being divided into a plurality of portions. The printing layer  30 B on which the pictograms are printed constitutes a first display unit  34  (see  FIG. 7 ) described later. The printing layer  30 B on which the logo is printed constitutes a second display unit  35  (see  FIG. 7 ) described later. 
     The first coating layer  30 C is a layer that entirely forms a coating film on the back surface of the base layer  30 A over the printing layer  30 B. The first coating layer  30 C forms a layer by a coating with a color similar to the color of the case  20 . The second coating layer  30 D is a layer that further forms a coating film over the first coating layer  30 C. The second coating layer  30 D is a color coating having a silver metallic luster. The second coating layer  30 D reflects incident light from the outer surface side, thereby suppressing see-through of the portion inside the cover panel  30 . 
     As shown in  FIGS. 6 and 7 , the cover panel  30  includes an opaque region  30 E and a transparent region  30 F on the outer surface. The opaque region  30 E is a region where surface treatment such as embossing is applied to the surface of the base layer  30 A. The transparent region  30 F is a region that is not subjected to surface treatment. The transparent region  30 F is formed on the outer surfaces of the portions of the printing layers  30 B corresponding to the first operation unit  11 . The opaque region  30 E is formed on the entire outer surface of a portion excluding the transparent region  30 F. The opaque region  30 E has light permeability but not transparent due to the surface treatment. 
     As shown in  FIG. 7 , the cover panel  30  includes a first display unit  34  and a second display unit  35 . The first display unit  34  and the second display unit  35  are each a portion where the printing layer  30 B is formed on the inner surface of the cover panel  30 . Specifically, the first display unit  34  is a portion where pictograms related to the operation of the toilet device are displayed. The second display unit  35  is a portion where the logo is displayed. The first display unit  34  is provided in the transparent region  30 F. Therefore, in the first display unit  34 , the pictograms by the printing layers  30 B printed on the inner surface can be clearly visually recognized. The second display unit  35  is provided in the opaque region  30 E. Therefore, in the second display unit  35 , the logo by the printing layer  30 B printed on the inner surface can be visually recognized with a hazy outline. As described above, the displays formed by the printing layers  30 B are provided in the regions having the different surface treatments, that is, the transparent region  30 F and the opaque region  30 E, so that the first display unit  34  and the second display unit  35  are displayed with different moods. 
     In some embodiment, the remote controller main body  10  includes the light source  60 . The light source  60  constitutes a part of the electrical component  13 . As shown in  FIG. 5 , the light source  60  is arranged in the storage space  20 A behind the second display unit  35 . The light source  60  is, for example, a three-color LED. The light source  60  can emit light in different colors and is controlled in different light emission states such as lighting and blinking. Thus, the availability of the operation of at least one of the first operation unit  11  and the second operation unit  12 , the power state, and the like can be notified by the difference in the emission color and the emission state. The light source  60  is provided so as to be able to irradiate the second display unit  35  from behind through the through hole  41 A of the first case member  40 , and when it is lit, the logo that is the display of the second display unit  35  can be displayed so as to be floated. 
     Next, functions and effects of the remote controller main body  10  will be described. When the remote controller main body  10  is assembled, first, the cover panel  30  and the first case member  40  are assembled. Specifically, a double-sided tape (not shown) is affixed to the outer surface of the front wall portion  41  of the first case member  40 , and the cover panel  30  is overlaid on the first case member  40  in this state. Then, the locked portions  33  on the cover panel  30  side and the locking portions  46  on the first case member  40  side are locked. Since the locking portions  46  and the locked portions  33  are locked by a snap-fit structure, assembling is easily. Next, the electrical component  13  is assembled to the second case member  50 . In the remote controller main body  10 , the electrical component  13  is fixed to the second case member  50  with screws. 
     Thereafter, the assembly of the cover panel  30  and the first case member  40  and the assembly of the electrical component  13  and the second case member  50  are assembled. At this time, the end portions  32 A of the panel side portions  32  on the left and right sides of the cover panel  30  are inserted into the gaps  50 A between the outer wall portions  52  and the inner wall portions  55  of the second case member  50 . Thereby, the front end surfaces of the outer wall portions  52  are cause to abut against the steps of the panel side portions  32 , and the outer surfaces of the panel side portions  32  on the distal end side are overlaid on the inner surfaces of the outer wall portions  52 . As a result, the end portions  32 A of the panel side portions  32 , which are the end portions of the cover panel  30 , are covered by the outer wall portions  52  as cover portions (see  FIG. 4 ). In this state, the outer surface of the cover panel  30  and the outer surface of the second case member  50  are continuous without a step in the front-back direction. 
     By assembling the assembly of the cover panel  30  and the first case member  40  and the assembly of the electrical component  13  and the second case member  50  in this way, the side wall portions  42  of the first case member  40  are also inserted into the gaps  50 A. Thereby, the front end surfaces of the inner wall portions  55  of the second case member  50  are caused to abut against the steps of the side wall portions  42 , and the inner side surfaces of the side wall portions  42  are overlaid on the outer side surfaces of the inner wall portions  55  (see  FIG. 4 ). As a result, the locking portions  46  and the locked portions  33  are sandwiched between the outer wall portions  52  and the inner wall portions  55  in the locked state. That is, in the assembled state of the assembly of the cover panel  30  and the first case member  40  and the assembly of the electrical component  13  and the second case member  50 , it is difficult to release the locking of the locking portions  46  and the locked portions  33 . 
     At this time, the upper and lower end wall portions  43  and  44  of the first case member  40  are inserted into the gaps  50 B between the upper wall portion  53  and the upper inner end wall portion  56  of the second case member  50  and between the lower wall portion  54  and the lower inner wall portion  56  of the second case member  50 . Thereby, the front end surfaces of the inner end wall portions  56  are caused to abut against the steps of the upper and lower end wall portions  43  and  44 , and the inner surfaces of the end wall portions  43  and  44  and the outer surfaces of the inner end wall portions  56  are overlaid on each other (see  FIG. 5 ). The upper wall portion  53  and the lower wall portion  54  cover the upper and lower end surfaces of the assembly of the cover panel  30  and the first case member  40 . That is, the upper and lower end surfaces of the cover panel  30  and the upper and lower end surfaces of the first case member  40  are covered by the upper wall portion  53  and the lower wall portion  54 , respectively. 
     Finally, the tapping screws  14  are inserted into the counterbores  51 A and fastened (see  FIG. 4 ). Then, the name plate  15  is affixed to the recessed portion  51 B with a double-sided tape (see  FIGS. 4 and 5 ), and the lid member  16  is fitted to the storage portion  51 C (see  FIG. 5 ), whereby the assembling of the remote controller main body  10  is completed. 
     As shown in  FIG. 1 , the remote controller main body  10  has a design with no irregularities or gaps on the front surface. The cover panel  30  having light permeability provides a design with a sense of depth. The curved surface of the outer surface of the cover panel  30  constituting the front surface is smoothly continuous with the curved surface of the outer surface of the second case member  50  constituting the back surface. As described above, the remote controller main body  10  as a whole realizes a slim and high-quality design. 
     When the toilet device is operated using the remote controller main body  10 , the first operation unit  11  is operated. The first operation unit  11  employs electrostatic capacitance touch switches. By placing a finger at a position on the outer surface of the cover panel  30  corresponding to the first operation unit  11 , the position is read and the operation of the toilet device is executed. As described above, the first operation unit  11  employs the electrostatic capacitance touch switches, and therefore, unlike the case where push button switches are employed, a flush shape with no irregularities on the outer surface can be adopted. When a finger or the like is placed on the first operation unit  11  and the touch switch detects the finger, the remote controller main body  10  can let a user know the detection by vibration of a vibration motor or the like. 
     As described above, the toilet remote controller  100  is a toilet remote controller for remotely operating the toilet device, and includes the remote controller main body  10 . The remote controller main body  10  includes the case  20  that forms the storage space  20 A that stores the electrical component  13 , and the cover panel  30  that covers the case  20  with light permeability. According to this, a sense of depth can be given by the thickness from the outer surface to the inner surface of the cover panel  30 . 
     Therefore, the toilet remote controller  100  can make the designability favorable. 
     The case  20  includes the first case member  40  and the second case member  50  to be combined with the first case member  40 , and forms the storage space  20 A that stores the electrical component  13 . The cover panel  30  covers the outer surface of the first case member  40 , and the second case member  50  includes the outer wall portions  52  that are cover portions that cover the end portions  32 A of the panel side portions  32  that are the end portions of the cover panel  30 . As a result, it is possible to achieve the configuration in which the first case member  40  is not exposed to the outside, so that the designability can be made more favorable. 
     The cover panel  30  includes the opaque region  30 E whose outer surface has been subjected to embossing and the transparent region  30 F. According to this, even if the regions have the same light permeability, the visual difference between transparent and opaque can be expressed, so that the designability can be made more favorable. 
     The cover panel  30  includes the first display unit  34  and the second display unit  35  serving as the display units that are provided on the inner surface thereof and on which at least one display of characters, figures, symbols, and patterns is formed. Therefore, it is possible to achieve the configuration in which the display is not exposed to the outer surface, although the display can be visually recognized from the outer surface. As a result, wear and disappearance of the display can be prevented, and deterioration in designability can be suppressed. Since the displays of the first display unit  34  and the second display unit  35  are respectively formed by the printing layers  30 B, easy formation of the display units can be realized. 
     On the inner surface side of the cover panel  30 , the second coating layer  30 D that is a reflective layer is formed. Therefore, it is possible to prevent the portion inside the cover panel  30  from being seen through. 
     The panel side portions  32  that are the end portions of the cover panel  30  are formed to be curved in a form extending toward the second case member  50  side. Therefore, the designability can be made more favorable. 
     The outer surface of the cover panel  30  is formed in a smooth surface shape. Therefore, as compared with the case where irregularities are formed on the outer surface, the designability can be made more favorable. 
     A toilet remote controller  200  in some embodiments is used to operate a toilet device (not shown). In some embodiments, the toilet remote controller  200  includes the remote controller main body  10 . As described above, the remote controller main body  10  transmits an operation signal to the toilet device. The remote controller main body  10  is a portable type that can be carried. The toilet remote controller  200  includes a holder  230  that detachably holds the remote controller main body  10 . The holder  230  is configured to be fixed to a mounting surface T. The remote controller main body  10  is provided with the recessed portion  51 B where the holder  230  is located. The remote controller main body  10  is held on the holder  230  fixed to the mounting surface T under the state in which the recessed portion  51 B is located on the holder  230 . Hereinafter, in each component, a description will be given assuming that, in the state where the remote controller main body  10  is held on the holder  230  fixed to the mounting surface T (remote controller mounted state), the upper side (upper side in  FIG. 10A ) is an upside, the lower side (lower side in  FIG. 10A ) is a downside, the side facing the mounting surface T in the remote controller mounted state (left side in  FIG. 10A ) is a back side, and the opposite side (right side in  FIG. 10A ) is a front side. 
     The remote controller main body  10  has a size that can be operated with one hand. The remote controller main body  10  has a substantially rectangular plate shape that is long in the up-and-down direction. The dimensions of the remote controller main body  10  in the up-and-down direction and the left-and-right direction are larger than the dimensions of the holder  230  in the up-and-down direction and the left-and-right direction. 
     As shown in  FIGS. 10A and 10B , a front surface F of the remote controller main body  10  (surface opposite to the mounting surface T in the remote controller mounted state) is a smooth surface with no irregularity, which is entirely covered with the cover panel  30  having light permeability. 
     As shown in  FIG. 9 , the first operation unit  11  is provided on the front surface F of the remote controller main body  10 . The first operation unit  11  has operation switches that are frequently used. The operation switches are operated when various functions of the toilet device are to be executed, and are for example, switches for toilet flushing, buttocks washing, toilet seat and toilet lid opening/closing operation, hot air drying, washing strength adjustment, nozzle position adjustment, and various-temperature adjustment. The first operation unit  11  employs electrostatic capacitance touch switches that react only by touching. 
     As shown in  FIGS. 8 and 11 , the recessed portion MB that is fitted to the holder  230  is provided on a back surface B of the remote controller main body  10 . The size of the recessed portion  51 B is formed larger than half of the length (dimension in the up-and-down direction) of the remote controller main body  10  and larger than half of the width (dimension in the left-and-right direction) of the remote controller main body  10 . The recessed portion  51 B is formed in a region approximately half or more of the upper side of the remote controller main body  10  (region corresponding to the first operation unit  11 ). The recessed portion  51 B is a rectangular recess whose entire periphery is surrounded by the peripheral surfaces (upper and lower surfaces  51 F and left and right surfaces  51 G). A depth surface  51 H of the recessed portion  51 B is substantially parallel to the front surface F of the remote controller main body  10 . 
     The upper and lower surfaces  51 F and the left and right surfaces MG of the recessed portion  51 B are provided with inclined portions  51 J that guide the fitting operation between the recessed portion  51 B and the holder  230 . As shown in  FIGS. 10A and 10B , the inclined portions  51 J are inclined so that the distance between them increases from the depth surface  51 H of the recessed portion  51 B toward the back side (open side of the recessed portion  51 B). 
     As shown in  FIG. 11 , the second operation unit  12  is provided on the back surface B of the remote controller main body  10 . The second operation unit  12  has setting switches that are less frequently used. The setting switches are operated when the power source of the remote controller main body  10  is turned ON/OFF, when ON/OFF setting such as power saving and automatic cleaning is performed, and when time setting is performed. The second operation unit  12  employs press switches that are operated by a pressing operation. The back surface B of the remote controller main body  10  is provided with a third display unit  15 A that displays a setting state and the like. 
     The second operation unit  12  and the third display unit  15 A are provided on the depth surface  51 H of the recessed portion  51 B. The second operation unit  12  is arranged in the upper region of the depth surface  51 H of the recessed portion  51 B. The third display unit  15 A is arranged in the lower region of the depth surface  51 H of the recessed portion  51 B. 
     As shown in  FIG. 8 , the remote controller main body  10  is provided with magnets (hereinafter referred to as main-body-side magnets  70 ) that fix the remote controller main body  10  and the holder  230 . The main-body side magnets  70  are provided within the formation range of the recessed portion  51 B. The main-body side magnets  70  are arranged at positions avoiding a dent portion  236  of the holder  230  described later. The main-body side magnets  70  are provided in a pair on left and right end portions of the lower end of the recessed portion  51 B and in a pair on left and right sides of the intermediate portion in the up-and-down direction of the recessed portion  51 B. In other words, the main-body side magnets  70  are arranged one by one near the corners of the third display unit  15 A. 
     The remote controller main body  10  is provided with a vibration motor that vibrates when the first operation unit  11  is operated, and a three-axis sensor used for detecting the inclination of the remote controller main body  10 . The storage portion  51 C that stores a battery is provided in the lower portion of the remote controller main body  10  (part below the recessed portion  51 B). 
     As shown in  FIG. 8 , the holder  230  has a rectangular shape that is substantially the same shape as the recessed portion  51 B of the remote controller main body  10 . The size of the holder  230  is formed larger than half of the length (dimension in the up-and-down direction) of the remote controller main body  10  and larger than half of the width (dimension in the left-and-right direction) of the remote controller main body  10 . The holder  230  has a plate shape thinner than the remote controller main body  10 . The holder  230  is entirely fitted in the recessed portion  51 B. In other words, the size of the holder  230  in the surface direction (dimension in the up-and-down direction and dimension in the left-and-right direction) is smaller than the size of the depth surface  51 H of the recessed portion  51 B. The thickness dimension (dimension in the front-and-back direction) of the holder  230  is larger than the depth dimension (dimension in the front-and-back direction) of the recessed portion  51 B, as shown in  FIGS. 10A and 10B . 
     The holder  230  includes a front surface and a back surface that are substantially parallel to the mounting surface T in a state where the holder  230  is fixed to the mounting surface T (hereinafter referred to as a fixed state). The holder  230  includes outer peripheral surfaces (upper and lower surfaces  234  and left and right surfaces  235 ) that surround the outer peripheries of the front and back surfaces. As shown in  FIGS. 10A and 10B , the upper and lower surfaces  234  and the left and right surfaces  235  of the holder  230  are provided with inclined portions  233  inclined at substantially the same gradient as the inclined portions  51 J of the upper and lower surfaces  51 F and the left and right surfaces  51 G of the recessed portion  51 B. The inclined portions  233  are formed at the front end portions of the upper and lower surfaces  234  and the left and right surfaces  235 . 
     On the front surface  231  of the holder  230 , as shown in  FIG. 8 , the dent portion  236  is formed in a portion opposed to the second operation unit  12  in the remote controller mounted state. The dent portion  236  has a rectangular shape extending over the upper region of the front surface  231  of the holder  230 . The dent portion  236  has a size corresponding to the entire region where the second operation unit  12  is arranged. The dent portion  236  is surrounded by a step portion  237  on the entire periphery. The front surface  231  of the holder  230  is a flat surface except for the step portion  237 . 
     As shown in  FIG. 8 , the holder  230  is provided with magnets (hereinafter referred to as holder-side magnets  238 ) that fix the remote controller main body  10  and the holder  230 . Four holder-side magnets  238  are arranged at positions corresponding to the main-body side magnets  70 . The holder-side magnets  238  each have a larger block shape than the main-body side magnets  70 . 
     The holder  230  is provided with fixing portions  239  for fixing the holder  230  to the mounting surface T as shown in  FIGS. 10A and 12 . A screw hole is formed in each of the fixing portions  239 . As shown in  FIG. 12 , the fixing portions  239  are provided in a region of the holder  230  below the dent portion  236 . The fixing portions  239  are provided in a pair on upper and lower sides. The fixing portions  239  are covered with a lid member  241  that is detachable from the holder  230 . 
     Next, the remote controller mounted state will be described. The upper and lower surfaces  234  of the holder  230  in the fixed state are generally horizontal in the left-and-right direction, and the left and right surfaces  235  of the holder  230  are generally vertical (see  FIG. 9 ). 
     In the remote controller mounted state, the upper and lower surfaces  51 F of the recessed portion  51 B of the remote controller main body  10  and the upper and lower surfaces  234  of the holder  230  are arranged in contact with or close to each other. The upper and lower surfaces  51 F of the recessed portion  51 B and the upper and lower surfaces  234  of the holder  230  are positioning portions that position the remote controller main body  10  in the up-and-down direction with respect to the holder  230 . 
     In the remote controller mounted state, the left and right surfaces  51 G of the recessed portion  51 B of the remote controller main body  10  and the left and right surfaces  235  of the holder  230  are arranged in contact with or close to each other. The left and right surfaces  51 G of the recessed portion  51 B and the left and right surfaces  235  of the holder  230  are positioning portions that position the remote controller main body  10  in the left-and-right direction with respect to the holder  230 . 
     In the remote controller mounted state, the main-body side magnets  70  and the holder-side magnets  238  are close to each other. The remote controller main body  10  is fixed to the holder  230  without rattling by the magnetic force of the main-body side magnets  70  and the holder-side magnets  238 . 
     As shown in  FIGS. 10A and 10B , the front surface  231  of the holder  230  is arranged in contact with or close to the depth surface  51 H of the recessed portion  51 B except for the dent portion  236 . As shown in  FIG. 10B , in the dent portion  236 , the front surface  231  of the holder  230  is arranged away from the depth surface  51 H of the recessed portion  51 B. 
     When the toilet remote controller  200  in the remote controller mounted state is viewed from the front side of the mounting surface T, the remote controller main body  10  covers the entire holder  230  as shown in  FIG. 9 . When the toilet remote controller  200  in the remote controller mounted state is viewed from the side surface side, a slight gap S is provided between the back surface B of the remote controller main body  10  and the mounting surface T as shown in  FIG. 10A . The dimension of the gap S in the front and back direction is about half the thickness dimension (dimension in the front-and-back direction) of the holder  230 . 
     Next, an example of an operation related to the use of the toilet remote controller  200  according to the second embodiment will be described. First, the remote controller main body  10  is removed from the holder  230 . A user grips the remote controller main body  10  and moves it in a direction away from the holder  230 . At this time, the user can remove the remote controller main body  10  from the holder  230  by moving it in a freely-selected direction. That is, the user can remove the remote controller main body  10  from the holder  230  by moving it in any direction, up, down, left, or right. At this time, the user can easily grip the region avoiding the first operation unit  11 . That is, the user can easily grip the portion other than the recessed portion  51 B provided at the position corresponding to the first operation unit  11 . Since the second operation unit  12  is provided on the depth surface  51 H of the recessed portion  51 B, the user&#39;s fingers gripping the remote controller main body  10  are unlikely to press the second operation unit  12 . Accordingly, it is possible to prevent an erroneous operation of the second operation unit  12  when the remote controller main body  10  is removed from the holder  230 . 
     Next, the remote controller main body  10  is operated. The first operation unit  11  is touched to execute various functions of the toilet device such as toilet flushing and buttocks washing. At this time, the vibration motor vibrates, and the user can obtain tactile feedback. Various settings are performed by pressing the second operation unit  12 . The operation of the second operation unit  12  is performed with the back surface B of the remote controller main body  10  facing upward and the remote controller main body  10  being held sideways. At this time, the three-axis sensor detects that the user is about to operate the second operation unit  12 , and the first operation unit  11  becomes inoperable. Therefore, even if the user&#39;s finger touches the first operation unit  11 , the first operation unit  11  can be prevented from being erroneously operated. 
     Next, the remote controller main body  10  is mounted to the holder  230 . The recessed portion  51 B is fitted to the holder  230  with the back surface B of the remote controller main body  10  facing the mounting surface T. At this time, the user can bring the remote controller main body  10  closer to the holder  230  in a freely-selected direction. That is, the user can bring the remote controller main body  10  closer to the holder  230  from any direction, up, down, left, and right. At this time, since the second operation unit  12  is provided on the depth surface  51 H of the recessed portion  51 B, the user&#39;s fingers gripping the remote controller main body  10  are unlikely to press the second operation unit  12 . Accordingly, it is possible to prevent an erroneous operation of the second operation unit  12  when the remote controller main body  10  is mounted to the holder  230 . 
     When the recessed portion  51 B of the remote controller main body  10  is arranged at the position of the holder  230 , the fitting between the recessed portion  51 B and the holder  230  is guided by the inclined portions  51 J of the recessed portion  51 B and the inclined portions  233  of the holder  230 . At the same time as the recessed portion  51 B and the holder  230  are fitted, the main-body side magnets  70  and the holder-side magnets  238  are close to each other, and the remote controller main body  10  is fixed by the magnetic force of the main-body side magnets  70  and the holder-side magnets  238 . Thus, a series of operations related to the use of the toilet remote controller  200  is completed. 
     The toilet remote controller  200  according to some embodiments is a toilet remote controller used to operate the toilet device. The toilet remote controller  200  includes the remote controller main body  10  that transmits an operation signal to the toilet device, and the holder  230  that is fixed to the mounting surface T and detachably holds the remote controller main body  10 . The remote controller main body  10  is provided with the recessed portion  51 B. The remote controller main body  10  is held on the holder  230  in a state where the holder  230  is fitted in the recessed portion  51 B. According to this configuration, since the gap S between the mounting surface T and the remote controller main body  10  can be reduced, the amount of protrusion from the mounting surface T of the toilet remote controller  200  can be reduced in the remote controller mounted state. 
     The toilet remote controller  200  includes the main-body side magnets  70  and the holder-side magnets  238  that fix the remote controller main body  10  and the holder  230 . According to this configuration, since the remote controller main body  10  is held on the holder  230  by the magnetic force, the holding force can be secured. 
     In the toilet remote controller  200 , in the remote controller mounted state, the upper and lower surfaces  51 F of the recessed portion  51 B and the upper and lower surfaces  234  of the holder  230  are positioning portions that position the remote controller main body  10  and the holder  230  in the up-and-down direction. According to this configuration, since the remote controller main body  10  is positioned with respect to the holder  230  by fitting the recessed portion  51 B of the remote controller main body  10  to the holder  230 , the operation for mounting the remote controller main body  10  to the holder  230  can be easily performed. 
     The toilet remote controller  200  has a size that covers the entirety of the holder  230  when the remote controller main body  10  in the remote controller mounted state is viewed from the front side of the mounting surface T. According to this configuration, since the holder  230  cannot be seen from the front side of the mounting surface T in the remote controller mounted state, the appearance of the remote controller mounted state can be improved. 
     In the toilet remote controller  200 , the second operation unit  12  is provided in the recessed portion  51 B. According to this configuration, when the remote controller main body  10  is attached/detached to/from the holder  230 , it is difficult for a hand to touch the operation unit, and thus an unintended operation of the second operation unit  12  can be prevented. 
     The remote controller main body  10  is provided with the second operation unit  12  on the back surface B, and the holder  230  has the dent portion  236  formed in a region opposed to the second operation unit  12  in the remote controller mounted state. According to this configuration, since the holder  230  does not come into contact with the second operation unit  12  of the remote controller main body  10  in the remote controller mounted state, the contact between the holder  230  and the second operation unit  12  can be prevented. 
     A toilet remote controller  300  in the third embodiment is used to operate a toilet device (not shown). The toilet remote controller  300  includes the remote controller main body  10  according to some embodiments. As described above, the remote controller main body  10  transmits an operation signal to the toilet device. The remote controller main body  10  is a portable type that can be carried. The toilet remote controller  300  includes a holder  320  that holds the remote controller main body  10 . The holder  320  is configured to be fixed to the mounting surface T. Hereinafter, in each component, a description will be given assuming that, in the state where the remote controller main body  10  is held on the holder  320  fixed to the mounting surface T (remote controller mounted state), the upper side (upper side in  FIG. 15 ) is an upside, the lower side (lower side in  FIG. 15 ) is a downside, the side facing the mounting surface T in the remote controller mounted state (left side in  FIG. 16 ) is a back side, and the opposite side (right side in  FIG. 16 ) is a front side. 
     The remote controller main body  10  has a size that can be operated with one hand. The remote controller main body  10  has a substantially rectangular plate shape that is long in the up-and-down direction. The front surface F of the remote controller main body  10  (surface opposite to the mounting surface T in the remote controller mounted state) is a smooth surface with no irregularity, which is entirely covered with the cover panel  30  having light permeability. As shown in  FIG. 13 , the first operation unit  11  is provided on the front surface F of the remote controller main body  10 . The first operation unit  11  has operation switches that are frequently used. The operation switches are operated when various functions of the toilet device are executed, and are for example, switches for toilet flushing (large and small), buttocks washing, toilet seat and toilet lid opening/closing operation, hot air drying, washing strength adjustment, nozzle position adjustment, and various-temperature adjustment. The first operation unit  11  employs electrostatic capacitance touch switches that react only by touching. 
     As shown in  FIG. 14 , the back surface B (surface of the remote controller main body  10  facing the mounting surface T) of the remote controller main body  10  is provided with the second operation unit  12 . The second operation unit  12  has setting switches that are less frequently used. The setting switches are operated when the power source of the remote controller main body is turned ON/OFF, when ON/OFF setting such as power saving and automatic cleaning is performed, and when time setting is performed. The second operation unit  12  employs press switches that are operated by a pressing operation. The back surface B of the remote controller main body  10  is provided with a third display unit  15 A that displays a setting state and the like. 
     The remote controller main body  10  is provided with a vibration motor that vibrates when the first operation unit  11  is operated, and an acceleration sensor (three-axis sensor) used for detecting the inclination of the remote controller main body  10 . The storage portion  51 C that stores a battery is provided in a lower portion of the remote controller main body  10 . 
     As shown in  FIG. 13 , the holder  320  has a substantially rectangular plate shape that is long in the up-and-down direction as a whole. The dimension of the holder  320  in the up-and-down direction is larger than the dimension of the remote controller main body  10  in the up-and-down direction. The holder  320  includes a main body portion  321  having a rectangular plate shape that is long in the up-and-down direction, and a pair of holding portions  330 F and  330 S provided at upper and lower end portions of the main body portion  321 . The dimension of the main body portion  321  in the left-and-right direction is smaller than the dimension of the remote controller main body  10  in the left-and-right direction (see  FIGS. 18 and 19 ). 
     As shown in  FIG. 16 , the main body portion  321  is provided with holder fixing portions  322  that are fixed to the mounting surface T. The holder fixing portions  322  are provided in a pair on upper and lower sides. The holder fixing portions  322  each have a shape protruding to the back side. The back surfaces (protruding end surfaces) of the holder fixing portions  322  are close to or in contact with the mounting surface T. Through holes  324  through which fixing screws  323  pass are formed on the back surfaces of the holder fixing portions  322 . On the front sides of the holder fixing portions  322 , recesses are formed on the front surface of the main body portion  321 . As shown in  FIG. 13 , the holder fixing portions  322  are located approximately at the center of the main body portion  321  in the left-and-right direction. The front surface of the main body portion  321  is a flat surface except for the holder fixing portions  322 . 
     The pair of holding portions  330 F and  330 S are a first holding portion  330 F arranged on the lower side and a second holding portion  330 S arranged on the upper side. The pair of holding portions  330 F and  330 S restrict the movement of the remote controller main body  10  in the up-and-down direction (one direction along the mounting surface T) with the remote controller main body  10  interposed therebetween. 
     Each of the first holding portion  330 F and the second holding portion  330 S has a cap shape that covers the end portion of the remote controller main body  10 . The first holding portion  330 F and the second holding portion  330 S cover only end portions of the remote controller main body  10 . Therefore, in the remote controller mounted state, most of the remote controller main body  10  is exposed to the outside. 
     The first holding portion  330 F and the second holding portion  330 S include end wall portions  331  that cover upper and lower end surfaces of the remote controller main body  10 , and peripheral wall portions  332  that cover the peripheral surfaces of the end portions of the remote controller main body  10 . The end wall portions  331  have the same shape as the upper and lower end surfaces of the remote controller main body  10 . The end wall portions  331  stand substantially perpendicular to the front surface of the main body portion  321 . The peripheral wall portions  332  stand substantially perpendicular to the end wall portions  331  along the outer edge of the end wall portions  331 . The height dimensions (dimension in the up-and-down direction) of the peripheral wall portions  332  are the same over the peripheral direction. 
     The peripheral wall portions  332  each constitute first restriction portions  332 F and a second restriction portion  332 S that are opposed to the peripheral surface (outer surface) of the remote controller main body  10  and restrict the movement of the remote controller main body  10 . As shown in  FIG. 15 , the first restriction portions  332 F are left and right end portions of the peripheral wall portion  332  (portions standing along the left and right edges of the end wall portion  331 ). The first restriction portions  332 F are opposed to left and right surfaces of the remote controller main body  10  and restrict the movement in the left-and-right direction (another direction that intersects one direction along the mounting surface T). The height dimensions of the first restriction portions  332 F are dimensions capable of being locked to the left and right surfaces of the remote controller main body  10  to prevent the remote controller main body  10  from being detached. 
     As shown in  FIGS. 15 and 16 , the second restriction portions  332 S are front side end portions of the peripheral wall portions  332  (portions standing along the front side edges of the end wall portions  331 ). The second restriction portions  332 S are opposed to the front surface F of the remote controller main body  10  and restrict movement in the front direction (direction perpendicular to the mounting surface T). The height dimensions of the second restriction portions  332 S are dimensions capable of being locked to the outer surface of the remote controller main body  10  to prevent the remote controller main body  10  from being detached. 
     The holder  320  includes a first member  320 F and a second member  320 S that slide relative to each other in the up-and-down direction (see  FIGS. 19 and 20 ). The first member  320 F is fixed to the mounting surface T. The second member  320 S slides in the up-and-down direction relative to the first member  320 F. The first holding portion  330 F is provided on the first member  320 F, and the second holding portion  330 S is provided on the second member  320 S. The pair of holding portions  330 F and  330 S are movable in the approaching direction and the separating direction. 
     As shown in  FIG. 17 , the first member  320 F includes a first main body portion  321 F having the entire front surface of the body portion  321 . The first main body portion  321 F includes a front surface portion  325  constituting the front surface of the body portion  321 , upper and lower surface portions  326  constituting upper and lower surfaces of the body portion  321 , and left and right surface portions  327  constituting the left and right surfaces of the body portion  321 . The upper and lower surface portions  326  and the left and right surface portions  327  stand on the back side from the outer edge of the front surface portion  325 . On the back surface of the first main body portion  321 F, a recessed portion  328  surrounded by the upper and lower surface portions  326  and the left and right surface portions  327  is formed. The upper surface portion  326  is formed with a cutout portion  329  for allowing a second main body portion  321 S described later of the second member  320 S to protrude upward. 
     As shown in  FIGS. 19 and 20 , the back surface of the first main body portion  321 F is provided with first guide portions  333 F that guide the sliding movement between the first member  320 F and the second member  320 S. The first guide portions  333 F are provided on the left and right sides of the upper end portion of the first main body portion  321 F. Each of the first guide portions  333 F has a plate shape standing perpendicular to the front surface portion  325 . The pair of left and right first guide portions  333 F extends in the up-and-down direction substantially in parallel. The first guide portions  333 F are separated from the left and right surface portions  327 . 
     As shown in  FIGS. 19 and 20 , the back surface of the first main body portion  321 F is provided with a first stopper portion  334 F that restricts the sliding movement between the first member  320 F and the second member  320 S. The first stopper portion  334 F is protrudingly provided in the upper region of the front surface portion  325 . The first stopper portion  334 F has a stopper peripheral surface  335  having a square shape. 
     As shown in  FIG. 19 , a second stopper portion  334 S described later comes into contact with the upper surface of the stopper peripheral surface  335 , so that the downward movement of the second member  320 S is restricted. As shown in  FIG. 20 , the second stopper portion  334 S comes into contact with the lower surface of the stopper peripheral surface  335 , so that the upward movement of the second member  320 S is restricted. The first stopper portion  334 F also serves as the holder fixing portion  322 . 
     As shown in  FIG. 19 , the back surface of the first main body portion  321 F is provided with first locking portions  336 F to be locked to the second member  320 S. As shown in  FIG. 17 , the first locking portions  336 F each have a plate shape extending from the back side end of the first guide portion  333 F in a direction parallel to the front surface portion  325 . The first locking portions  336 F are locked to the back side of the second member  320 S, so that the assembled state of the first member  320 F and the second member  320 S is maintained. 
     The first holding portion  330 F is provided at the lower end portion of the first main body portion  321 F. The outer peripheral edge of the end wall portion  331  of the first holding portion  330 F is surrounded on the entire periphery by the peripheral wall portion  332  and the first main body portion  321 F. 
     The second member  320 S includes the second main body portion  321 S to be arranged in the recessed portion  328  of the first main body portion  321 F. The dimension of the second main body portion  321 S in the up-and-down direction is about half of the dimension of the first main body portion  321 F in the up-and-down direction. 
     The second main body portion  321 S includes a back surface portion  337  to be arranged along the front surface portion  325  of the first main body portion  321 F, and a peripheral surface portion  338  standing along the outer edge of the back surface portion  337 . The back surface portion  337  includes a small-width portion  339  having a small dimension in the left-and-right direction and a large-width portion  341  having a large dimension in the left-and-right direction. The small-width portion  339  is located above the large-width portion  341 . The dimension of the small-width portion  339  in the left-and-right direction is a dimension capable of passing through the cutout portion  329  of the upper surface portion  326  of the first member  320 F in the up-and-down direction. 
     The rising dimension (dimension in the front-and-back direction) of the peripheral surface portion  338  is such a dimension that the end surface on the back side of the peripheral surface portion  338  is aligned with the end surfaces on the back side of the upper and lower surface portions  326  and the left and right surface portions  327  of the first main body portion  321 F. The peripheral surface portion  338  includes a pair of left and right side surface portions  342  extending along the left and right surface portions  327  of the first main body portion  321 F, and a pair of left and right second guide portions  333 S extending along the first guide portions  333 F. The side surface portions  342  extend along the left and right side edges of the large-width portion  341 , and the second guide portions  333 S extend along the left and right side edges of the small-width portion  339 . 
     The left and right second guide portions  333 S come into contact with the first guide portions  333 F and guide the movement of the second member  320 S in the up-and-down direction relative to the first member  320 F. The upper end portions of the pair of left and right second guide portions  333 S protrude upward from the cutout portion  329  of the upper surface portion  326  of the first member  320 F. The second holding portion  330 S is fixed to a bridge portion  343  that is laid between the upper ends of the left and right second guide portions  333 S. The peripheral wall portion  332  of the second holding portion  330 S has a form in which the entire periphery is closed. 
     The second member  320 S includes second locking portions  336 S to which the first locking portions  336 F are locked as shown in  FIG. 19 , and relief portions  344  to which the first locking portions  336 F are not locked as shown in  FIG. 20 . The second locking portions  336 S and the relief portions  344  are provided in the second guide portions  333 S. The relief portions  344  are provided at positions corresponding to the first locking portions  336 F when the pair of holding portions  330 F and  330 S are arranged at the most distant positions in the assembled state of the first member  320 F and the second member  320 S. The relief portions  344  each have such a form that a part of the second guide portion  333 S has a shape along the outer shape of the first locking portion  336 F and is recessed to the center side in the left-and-right direction. The second locking portions  336 S are provided above the relief portions  344 . 
     As shown in  FIGS. 19 and 20 , the second member  320 S is provided with the second stopper portion  334 S that comes into contact with the first stopper portion  334 F of the first member  320 F and restrict the sliding movement between the first member  320 F and the second member  320 S. The second stopper portion  334 S has a substantially square frame shape that is fitted around the first stopper portion  334 F. The second stopper portion  334 S includes a pair of side portions  345  that are substantially parallel to each other, and an upper portion  346  and a lower portion  347  that are substantially parallel to each other. The pair of side portions  345  comes into contact with the left and right side surfaces of the stopper peripheral surface  335  of the first stopper portion  334 F and guide the sliding movement between the first member  320 F and the second member  320 S. The upper portion  346  and the lower portion  347  come into contact with the upper surface and the lower surface of the stopper peripheral surface  335 , respectively, and restrict the sliding movement between the first member  320 F and the second member  320 S. 
     The holder  320  includes fixing tools  348  that restrict sliding movement between the first member  320 F and the second member  320 S. As shown in  FIG. 19 , the fixing tools  348  fix the first member  320 F and the second member  320 S in a state where the pair of holding portions  330 F and  330 S are closest to each other. That is, the fixing tools  348  restrict the movement of the pair of holding portions  330 F and  330 S in the separating direction. The fixing tools  348  are screws and nuts for fixing the left and right surface portions  327  of the first main body portion  321 F and the side surface portions  342  of the second main body portion  321 S. 
     The left and right surface portions  327  of the first member  320 F are provided with first member fixing portions  351 F that are fixed with the side surface portions  342  of the second member  320 S by the fixing tools  348 . The side surface portions  342  of the second member  320 S are provided with second member fixing portions  351 S that are fixed to the left and right surface portions  327  of the first member  320 F by the fixing tools  348 . The first member fixing portions  351 F and the second member fixing portions  351 S are arranged at positions that coincide with each other on the left and right in the state of being slid. The first member fixing portions  351 F and the second member fixing portions  351 S are formed with through holes penetrating in the left-and-right direction. The first member fixing portions  351 F are provided at positions that are advanced one step to the center side in the left-and-right direction. 
     Next, an example of an operation for mounting the toilet remote controller  300  to the mounting surface T will be described. First, the first member  320 F and the second member  320 S are assembled. As shown in  FIG. 17 , the first locking portions  336 F of the first member  320 F and the relief portions  344  of the second member  320 S are aligned, and the second main body portion  321 S of the second member  320 S is fitted into the recessed portion  328  of the first member  320 F. Next, the first member  320 F and the second member  320 S are slid, and as shown in  FIG. 18 , the first locking portions  336 F are shifted from the relief portions  344  and locked to the second locking portions  336 S. At this time, the first guide portions  333 F and the second guide portions  333 S are brought into contact with each other, and the sliding movement between the first member  320 F and the second member  320 S is guided. When the first locking portions  336 F are locked to the second locking portions  336 S, the first member  320 F and the second member  320 S are held in the assembled state. 
     Next, the holder  320  is fixed to the mounting surface T. The back surface of the holder  320  is brought into contact with the mounting surface T in such a direction that the first holding portion  330 F is arranged on the lower side and the second holding portion  330 S is arranged on the upper side. Due to the weight of the second member  320 S, the upper portion  346  of the second stopper portion  334 S comes into contact with the stopper peripheral surface  335  of the first stopper portion  334 F, and the assembled state of the first member  320 F and the second member  320 S is maintained. The screws  323  are passed through the through holes  324  of the holder fixing portions  322  from the front side of the holder  320  to fix the holder fixing portions  322  to the mounting surface T. As a result, the holder  320  is fixed to the mounting surface T. 
     Next, the remote controller main body  10  is set in the holder  320 . The second member  320 S is slid upward to open between the pair of holding portions  330 F and  330 S. The lower end portion of the remote controller main body  10  is fitted into the first holding portion  330 F, and the back surface B of the remote controller main body  10  is aligned with the front surface of the main body portion  321  of the holder  320 . The end wall portion  331  of the first holding portion  330 F supports the lower surface of the remote controller main body  10 , and the peripheral wall portion  332  of the first holding portion  330 F covers the outer peripheral surface of the lower end portion of the remote controller main body  10 . The second member  320 S is slid downward, and the second holding portion  330 S is placed on the upper end portion of the remote controller main body  10 . The upper portion  346  of the second stopper portion  334 S of the second member  320 S comes into contact with the stopper peripheral surface  335  of the first stopper portion  334 F, and the sliding movement of the second member  320 S stops. The end wall portion  331  of the second holding portion  330 S is in contact with or close to the upper surface of the remote controller main body  10 , and the peripheral wall portion  332  of the second holding portion  330 S covers the outer peripheral surface of the upper end portion of the remote controller main body  10 . The first member fixing portions  351 F and the second member fixing portions  351 S are fixed by the fixing tools  348 , and the movement of the pair of holding portions  330 F and  330 S in the separating direction is restricted. 
     The remote controller main body  10  is sandwiched between the pair of holding portions  330 F and  330 S and is restricted from moving in the up-and-down direction. The movement in the left-right direction is restricted by the first restriction portions  332 F provided in the holding portions  330 F and  330 S, and the movement in the front direction is restricted by the second restriction portions  332 S provided in the holding portions  330 F and  330 S. As a result, the remote controller main body  10  is held in the state set in the holder  320 . Thus, the operation of mounting the toilet remote controller  300  to the mounting surface T is completed. 
     Next, functions and effects configured as described above will be described. The toilet remote controller  300  according to some embodiments is a toilet remote controller used to operate the toilet device, and includes the remote controller main body  10  that transmits an operation signal to the toilet device, and the holder  320  that is configured to be fixed to the mounting surface T and holds the remote controller main body  10 . The holder  320  includes the pair of holding portions  330 F and  330 S that restrict the movement of the remote controller main body  10  in the up-and-down direction with the remote controller main body  10  interposed therebetween. The holding portions  330 F and  330 S include the first restriction portions  332 F that restrict movement of the remote controller main body  10  in the left-and-right direction and the second restriction portions  332 S that restrict movement of the remote controller main body  10  in the front direction. 
     In some embodiments, the movement of the remote controller main body  10  in the up-and-down direction is restricted by the pair of holding portions  330 F and  330 S. The movement of the remote controller main body  10  in the left-right direction is restricted by the first restriction portions  332 F provided in the holding portions  330 F and  330 S, and the movement of the remote controller main body  10  in the front direction is restricted by the second restriction portions  332 S provided in the holding portions  330 F and  330 S. Therefore, it is possible to prevent the remote controller main body  10  from being easily removed from the holder  320  without fixing the remote controller main body  10  with screws. 
     The holding portions  330 F and  330 S each have a shape that covers the end portion of the remote controller main body  10 , and the first restriction portions  332 F and the second restriction portions  332 S are opposed to the outer surface of the remote controller main body  10  and restrict the movement of the remote controller main body  10 . According to this configuration, it is not necessary to provide the remote controller main body  10  and the holder  320  with a recess and a projection that are fitted to each other as the first restriction portions  332 F and the second restriction portions  332 S. Therefore, the appearance of the remote controller main body  10  can be improved. 
     The holder  320  includes the pair of members  320 F and  320 S that are slidable in the up-and-down direction. The first member  320 F of the pair of members  320 F and  320 S is provided with the first holding portion  330 F of the pair of holding portions  330 F and  330 S. The second member  320 S of the pair of members  320 F and  320 S is provided with the second holding portion  330 S of the pair of holding portions  330 F and  330 S. The pair of holding portions  330 F and  330 S are movable in the approaching direction and the separating direction. According to this configuration, the pair of holding portions  330 F and  330 S are moved in the separating direction and the remote controller main body  10  can be set therebetween, and the pair of holding portions  330 F and  330 S are moved in the approaching direction and the remote controller main body  10  can be sandwiched therebetween. Thus, the mounting operation of the remote controller main body  10  can be easily performed. 
     The fixing tools  348  that restrict the movement of the pair of members  320 F and  320 S in the separating direction are provided. According to this configuration, the movement of the pair of members  320 F and  320 S in the separating direction is reliably restricted by the fixing tools  348 , so that the holding state of the remote controller main body  10  can be reliably maintained. 
     The second operation unit  12  is provided on the back surface B of the remote controller main body  10 . According to this configuration, the second operation unit  12  cannot be operated in the state where the remote controller main body  10  is held on the holder  320 . Therefore, by using the second operation unit  12  as an operation unit for performing various settings of the toilet device as in some embodiments, it is possible to prevent various settings from being arbitrarily changed in a place where the toilet device is used by an unspecified number of people. 
     The present disclosure is not limited to the disclosure of the embodiments described with reference to the above description and drawings, and includes the following embodiments, for example. 
     In some embodiments, the form in which the remote controller has a specific outer shape is exemplified. The shape of the toilet remote controller according to the present disclosure is not particularly limited, and may be various shapes such as three-dimensional shapes such as a circular columnar shape, a polygonal columnar shape, a spherical shape, and an oval spherical shape, or three-dimensional shapes that partially combines these shapes. 
     In some embodiments, the form in which the remote controller is provided so as to be attachable to and detachable from the holder mounted to the wall surface is exemplified. The toilet remote controller according to the present disclosure may be mounted on the wall surface in a non-detachable manner, or may be an independent portable type that is not mounted on a holder or the like. 
     In some embodiments, the form in which each member of the remote controller is formed using a specific material is exemplified. In the toilet remote controller according to the present disclosure, materials used for each member are not limited to those described above. 
     In some embodiments, the form in which the case includes the first case member and the second case member is exemplified. The case according to the present disclosure may be configured by one member or may be configured by three or more members. 
     In some embodiments, the form in which the cover panel includes the opaque region and the transparent region is exemplified. This is not essential. In the present disclosure, the cover panel may have a form including only an opaque region having light permeability or may have a form including only a transparent region. In forming the opaque region, other surface treatments instead of embossing may be employed, or the opaque region may be provided by forming other layers, such as attaching a sheet material or applying a coating. 
     In some embodiments, the form in which the display unit is formed by printing is exemplified. In the case of forming the display unit, it may be formed by means other than printing, such as sticking of a sheet or painting. The display content of the display unit is not limited to that which is described above. 
     In some embodiments, the form in which the silver color coating film is formed as the reflective layer is exemplified. The reflective layer according to the present disclosure may be in other forms, such as metal plating or metal vapor deposition. 
     In some embodiments, the form in which the locking portions are claw portions and the locked portions are hole portions are exemplified. The opposite configuration, a configuration in which a claw portion and a hole portion are mixed in one member, or the like may be employed. The locking form is not limited to the snap-fit structure, and other forms may be adopted. 
     In some embodiments, the form in which the cover panel covers the case from the front surface to the side surfaces is exemplified. The cover panel according to the present disclosure is not limited to this. For example, the cover panel may be in a form covering only the front surface of the case. 
     In some embodiments, the form in which the cover panel covers the case being provided also for a portion other than the portion corresponding to the first operation unit serving as the operation unit is exemplified. It may be a form in which the cover panel covers only a part of the case, such as a form in which the cover panel covers the case being provided only for the portion corresponding to the operation unit. 
     In some embodiments, the entire periphery of the recessed portion is surrounded by the peripheral surface. The present disclosure is not limited to this, but for example, the left and right sides of the recessed portion may be opened. 
     In some embodiments, the recessed portion and the holder both have a rectangular shape. The present disclosure is not limited to this, but it is only necessary that the recessed portion and the holder can be fitted to each other. For example, the recessed portion and the holder both may have a circular shape, or may have different shapes, such as a rectangular shape in one and a trapezoidal shape in the other. 
     In some embodiments, the remote controller main body and the holder are fixed by the main-body side magnets and the holder-side magnets. The present disclosure is not limited to this, but other fixing means may be used. Without using such fixing means, the remote controller main body may be held on the holder only by the fitting between the recessed portion and the holder (for example, by increasing the fitting allowance (fitting depth) between the recessed portion and the holder). 
     In some embodiments, the entire holder is fitted in the recessed portion. The present disclosure is not limited to this, but the holder may include a fitting portion with the recessed portion and a portion extending from the fitting portion in a direction parallel to the mounting surface (a portion not covered by the remote controller main body when viewed from the front side of the mounting surface in the remote controller mounted state). 
     In some embodiments, the upper and lower surfaces of the recessed portion and the upper and lower surfaces of the holder are configured to position the remote controller main body in the up-and-down direction with respect to the holder. The present disclosure is not limited to this, but the upper and lower surfaces of the recessed portion and the upper and lower surfaces of the holder may not necessarily have such a positioning function. 
     In some embodiments, the remote controller main body has a size that covers the entire holder when the remote controller main body in the remote controller mounted state is viewed from the front side of the mounting surface. The present disclosure is not limited to this, but the remote controller main body may have a size that partially covers the holder. 
     In some embodiments, the second operation unit is provided in the recessed portion on the back surface of the remote controller main body. The operation unit may not necessarily be provided on the back surface of the remote controller main body, and the second operation unit may be provided in a region other than the recessed portion on the back surface of the remote controller main body. 
     In some embodiments, the holder is provided with the dent portion. The holder may not necessarily be provided with the dent portion. In this case, the dent portion may be provided on the second operation unit side. For example, the dent portion may be formed in the depth surface of the recessed portion, and the second operation unit may be provided in such dent portion. 
     In some embodiments, the shapes, numbers, arrangement positions, and the like of the main-body side magnets and the holder-side magnets are exemplified. However, the present disclosure is not limited to this, but the shapes, numbers, arrangement positions, and the like of the magnets can be changed selectively. For example, the shapes of the magnets may be rod shapes or frame shapes. 
     In some embodiments, the upper and lower surfaces and the left and right surfaces of the holder are provided with the inclined portions that are inclined at substantially the same gradient as the inclined portions of the upper and lower surfaces and the left and right surfaces of the recessed portion. The present disclosure is not limited to this, but the inclined portions of the holder may not have the same gradient as the inclination portions of the recessed portion, and may be curved surfaces. 
     In some embodiments, the holder is fitted into the recessed portion of the remote controller main body. In the fitting, there may be a gap between the remote controller main body and the holder. 
     In some embodiments, the main-body side magnets are provided in the remote controller main body, and the holder-side magnets are provided in the holder. The present disclosure is not limited to this, but a magnet may be provided only in any one of the remote controller main body and the holder. 
     In some embodiments, the first holding portion and the second holding portion each have a shape that covers the end portion of the remote controller main body. The first restriction portion and the second restriction portion are opposed to the outer surface of the remote controller main body and restrict the movement of the remote controller main body. The present disclosure is not limited to this, but for example, the following configuration may be employed. The first holding portion and the second holding portion may not have peripheral wall portions, but there may be provided protruding walls protruding upward from the end wall portion of the first holding portion and protruding downward from the end wall portion of the second holding portion as the first restriction portions and the second restriction portions. The upper and lower surfaces of the remote controller main body may be formed with groove portions into which the protruding walls are configured to be inserted, so that the protruding walls are inserted in the groove portions and the movement of the remote controller main body is restricted. 
     In some embodiments, the holder includes the pair of members that are slidable. The present disclosure is not limited to this, but the holder may not have the pair of members that are slidable. For example, there may be employed a form in which one of the pair of holding portions is fixed to the main body portion of the holder, and the other of the holding portions is attached to and detached from the holder. 
     In some embodiments, the case where the fixing tools that restrict the movement of the pair of members in the separating direction are screws is exemplified. The present disclosure is not limited to this, but the means for restricting the movement may be changed. 
     In some embodiments, the second operation unit is provided on the back surface of the remote controller main body. The present disclosure is not limited to this, but the second operation unit may not be provided. 
     In some embodiments, the pair of holding portions sandwich the remote controller main body from above and below. The present disclosure is not limited to this, but for example, the pair of holding portions may sandwich the remote controller main body from the left and right. In this case, the pair of holding portions is provided with the first restriction portions that restrict the movement of the remote controller main body in the up-and-down direction and the second restriction portions that restrict the movement of the remote controller main body to the front side. 
     In some embodiments, the first restriction portion or the second restriction portion are provided in each of the pair of holding portions. The present disclosure is not limited to this. The first restriction portion or the second restriction portion may be provided only in one of the pair of holding portions. For example, the height dimension of the peripheral wall portion of the first holding portion may be increased, and the peripheral wall portion of the second holding portion may be omitted. 
     In some embodiments, the first member fixing portions and the second member fixing portions are arranged at positions that coincide with each other on the left and right in the state of being slid. The present disclosure is not limited to this, but for example, an oblong hole may be provided in at least one of the fixing portions so that both fixing portions may be arranged at shifted positions, or a plurality of fixing portions may be provided so that the fixing positions of both fixing portions can be adjusted.