Abstract:
A portable scanning device includes a first outer shell defining a receiving space therein, a second outer shell configured to couple with the first outer shell to cover the receiving space, a connecting band coupled to the first outer shell and configured to be secured to a body part of a user, and an electronic assembly including a number of electronic components. The number of electronic components includes a battery configured to provide power for the portable scanning device, a printed circuit board, a scanner configured to scan a plurality of codes, a speaker configured to broadcast an audio during a process of scanning the plurality of codes, a connection port configured to couple the battery to an external power source to charge the battery, a number of buttons for operating the portable scanning device, and a number of indication lights configured to indicate statuses of the portable scanning device.

Description:
FIELD 
     The subject matter herein relates to scanning devices. 
     BACKGROUND 
     Generally, bar codes are scanned by a scanning device. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       Implementations of the present technology will now be described, by way of example only, with reference to the attached figures. 
         FIG. 1  is a partially exploded isometric view of an exemplary embodiment of a portable scanning device. 
         FIG. 2  is an exploded isometric view of a first outer shell and a second outer shell of the portable scanning device. 
         FIG. 3  is similar to  FIG. 2 , but viewed from a different angle. 
         FIG. 4  is a partially assembled isometric view of the portable scanning device. 
         FIG. 5  is another partially assembled isometric view of the portable scanning device. 
         FIG. 6  is an assembled isometric view of the portable scanning device. 
     
    
    
     DETAILED DESCRIPTION 
     It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein can be practiced without these specific details. In other instances, methods, procedures and components have not been described in detail so as not to obscure the related relevant feature being described. The drawings are not necessarily to scale and the proportions of certain parts may be exaggerated to better illustrate details and features. The description is not to be considered as limiting the scope of the embodiments described herein. 
     Several definitions that apply throughout this disclosure will now be presented. 
     The term “coupled” is defined as connected, whether directly or indirectly through intervening components, and is not necessarily limited to physical connections. The connection can be such that the objects are permanently connected or releasably connected. The term “substantially” is defined to be essentially conforming to the particular dimension, shape, or other word that “substantially” modifies, such that the component need not be exact. For example, “substantially cylindrical” means that the object resembles a cylinder, but can have one or more deviations from a true cylinder. The term “comprising” means “including, but not necessarily limited to”; it specifically indicates open-ended inclusion or membership in a so-described combination, group, series and the like. 
       FIG. 1  illustrates an exploded view of an exemplary embodiment of a portable scanning device  100  (hereinafter “the device  100 ”). The device  100  can include a first outer shell  10 , a second outer shell  20 , an electronic assembly  30 , and a connecting band  40 . In at least one embodiment, the connecting band  40  can secure the device  100  on a finger of a user. The device  100  can be used to scan a plurality of codes, such as bar codes. After the device  100  scans each code, the code can be transmitted to an external electronic device, such as a personal computer, via BLUETOOTH®. 
     Referring to  FIG. 2 , the first outer shell  10  can include a first sidewall  11 , a second sidewall  12 , a back wall  13 , and a bottom wall  14 . The first sidewall  11  and the second sidewall  12  can be connected to opposite edge portions of the bottom wall  14  and face each other. The back wall  13  can be connected between the first sidewall  11  and the second sidewall  12 , and be connected to the bottom wall  14 . Thus, the first sidewall  11 , the second sidewall  12 , the back wall  13 , and the bottom wall  14  can cooperatively define a receiving space  15 . 
     The first outer shell  10  can further include a first connecting portion  16  and a second connecting portion  17 . A first end portion of the connecting band can be connected to the first outer shell  10  by the first connecting portion  16 , and a second end portion of the connecting band can be connected to the first outer shell  10  by the second connecting portion  17 . The first connecting portion  16  can include a pair of connecting blocks  161  protruding from an outer surface of the first sidewall  11 , and a connecting shaft  162  connected between the pair of connecting blocks  161 . The connecting shaft  162  can sleeve the first end portion of the connecting band. 
     Referring again to  FIG. 1 , the electronic assembly  30  can include a battery  31 , a scanner  32 , a printed circuit board  33 , a connection port  34 , a speaker  35 , a power button  36  (shown in  FIG. 4 ), a reset button  37 , and a plurality of indication lights  38 . The battery  31  can provide power for the device  100 . The scanner  32  can scan the plurality of codes. The connection port  34  can connect the battery  31  to a power source via a cable (not shown) to charge the battery  31 . The speaker  35  can broadcast an audio after the scanner  32  completes scanning each code. The power button can power on the device  100  by being pressed and held for a predetermined time duration. The scanner  32  can be controlled to scan by pressing the power button after the device  100  is powered on. The reset button  32  can be pressed after the device  100  is powered on to reset the scanner  32 . The scanner  32  can include a lens  50  for scanning the plurality of codes. 
     Referring again to  FIG. 2 , the first outer shell  10  can further include a plurality of ribs  18  protruding into the receiving space  15  from the bottom wall  14 . The ribs  18  can be substantially parallel to each other. The battery and the scanner can be supported on top of the ribs  18 . Each of the ribs  18  that supports the scanner can include a pair of rib plates  181  at opposite end portions of the rib  18 . The rib plates  181  can support opposite sides of the scanner and hold the scanner in place on the ribs  18 . A plurality of latching holes  19  can be defined in the first sidewall  11  and the second sidewall  12 . A plurality of latching members (not shown) of the second outer shell  20  can latch in the latching holes  19  to secure the second outer shell  20  to the first outer shell  10 . 
     Referring to  FIG. 3 , the second connecting portion  17  can include a button panel  171  extending away from an outer surface of the second sidewall  12 , and a panel cover  172 . A button groove  1711  can be defined in a surface of the button panel  171  for receiving the power button  36  (shown in  FIG. 4 ). A plurality of securing holes  1712  surrounding the button groove  1711  can be defined in the surface of the button panel  171 . A button hole  1721  can be defined in the panel cover  172 . The panel cover  172  can include a plurality of securing posts  1722  corresponding to the plurality of securing holes  1712 . The plurality of securing posts  1722  can be received in the plurality of securing holes  1712  to secure the panel cover  172  to the button panel  171 . When the panel cover  172  is secured to the button panel  171 , the power button can protrude through the button hole  1721 . A slot  1713  can be defined in a distal portion of the button panel  171 . The slot  1713  can receive the second end portion of the connecting band to secure the connecting band to the second panel  17 . 
     Referring to  FIGS. 3 and 4 , the second outer shell  20  can define a plurality of speaker holes  321 , an indication light groove  322 , a port hole  323 , and a reset button hole  324  therein. The plurality of speaker holes  321  can align with the speaker to allow the audio to transmit therethrough. The indication light groove  322  can receive the plurality of indication lights  38  therein. The indication lights  38  can be electrically connected to the printed circuit board through the indication light groove  322 . The port hole  323  can align with the connection port to allow a cable to extend therethrough to electrically connect the battery to a power source. The reset button hole  324  can align with the reset button to allow the reset button to be pressed. The second outer shell  20  can also include a pair of supporting plates  325 . The pair of supporting plates  325  can align with an outermost pair of rib plates  181  to cooperatively support a back portion of the lens  50 . 
     Referring to  FIGS. 4-6 , in assembly, the battery  31  and the scanner  32  can be received in the receiving space of the first outer shell. The battery  31  can be located adjacent to the back wall of the first outer shell, and the scanner  32  can be located between the plurality of rib plates of the first outer shell. The lens  50  can be positioned at an end junction of the first outer shell and the second outer shell to face out of the scanning device to scan the plurality of codes. The printed circuit board  33  can be positioned on top of the battery  31  and the scanner  32 . The plurality of indication lights  38  can be received in the indication light groove  322 . The power button  36  can be received in the button groove. The plurality of indication lights  38  and the power button  36  can be electrically connected to the printed circuit board  33  via the indication light groove  322  and the button groove, respectively. 
     The device can further include a sleeve  60  (shown in  FIG. 1 ) for receiving the first outer shell and the second outer shell therein. The sleeve can define a plurality of through holes to allow corresponding parts of the device to not be covered by the sleeve  60 . The device can further include a stopper  70  (shown in  FIG. 5 ) for plugging the port hole when the connection port is not in use. 
     In use, the device can be used to scan the plurality of codes. After the device scans each code, the code can be transmitted to an external electronic device via BLUETOOTH. After each code is scanned successfully, the speaker can broadcast an audio to notify the user. The device can be worn on a finger of the user, and the device is convenient to operate. 
     The embodiments shown and described above are only examples. Even though numerous characteristics and advantages of the present technology have been set forth in the foregoing description, together with details of the structure and function of the present disclosure, the disclosure is illustrative only, and changes may be made in the detail, including in matters of shape, size and arrangement of the parts within the principles of the present disclosure up to, and including, the full extent established by the broad general meaning of the terms used in the claims.