Patent Publication Number: US-2016224060-A1

Title: Wearable electronic device

Description:
PRIORITY 
     This application claims priority under 35 U.S.C. §119(a) to Korean Patent Application Serial No. 10-2015-0015501, which was filed in the Korean Intellectual Property Office on Jan. 30, 2015, the entire content of which is incorporated herein by reference. 
     BACKGROUND 
     1. Field of the Disclosure 
     The present disclosure generally relates to a wearable electronic device that is worn on a neck. 
     2. Description of the Related Art 
     An electronic device may be carried within a user&#39;s pocket, a bag and the like, by holding and carrying by hand, or by wearing the device on a predetermined position of the user&#39;s body. A wearable device refers to an electronic device that may be worn on various portions of the user&#39;s body. 
     There are various methods of wearing a wearable device on a user&#39;s body, which may be simply classified as follows based on a wearing method or a wearing position: 
     1. Wearing the wearable device on a user&#39;s body, such as a wrist, as a watch or band type. 
     2. Wearing the wearable device around a user&#39;s body as a necklace type. 
     3. Wearing the wearable device on a face in a similar manner to wearing eyeglasses. 
     4. Wearing the wearable device by putting it on a portion of a user&#39;s body, clothing or using a clip. 
     5. Directly or indirectly attaching the wearable device to a user&#39;s body, clothing or belonging. 
     A wearable device can be conveniently worn on various positions of the user&#39;s body, should be convenient to use while it is worn, and should be conveniently carried or stored when it is not worn. 
     SUMMARY 
     An aspect of the present disclosure provides a wearable device that is conveniently carried, conveniently worn, and easily managed when it is not worn. 
     Another aspect of the present disclosure provides a wearable device that is configured where respective parts may be separated from/coupled to each other such that various functions are enabled. 
     Another aspect of the present disclosure provides a wearable device that is worn by separating a main part from a battery part, wearing the main part and the battery part, and then pulling and wearing ear parts. 
     Another aspect of the present disclosure provides a wearable device in which a main part and an assembly part may be separated from/coupled to each other. 
     Another aspect of the present disclosure provides a wearable device in which an auxiliary battery is mounted on each part so that power shut off can be prevented when separating the parts. 
     According to an aspect of the present disclosure, a wearable device is provided that includes a first function part, a second function part that is integrally coupled to or separated from the first function part, and strings that are connected to the first and second function parts, respectively, to allow the first and second function parts to be worn on a neck. 
     According to an aspect of the present disclosure, a wearable device is provided that includes a first function part, a second function part that is integrally coupled to or separated from the first function part, and strings that are connected to the first and second function parts, respectively, to allow the first and second function parts to be worn on a neck. The strings may be provided with earphone parts and a retainer. The strings may be pulled by a length that is sufficient to wear the earphone parts on ears in which the retainer is held by a hand, and the earphone parts may be worn on the ears. 
     According to an aspect of the present disclosure, a wearable device is provided that may include a wearable device that includes at least one function part that is worn on a neck using a string. The string may be provided with an earphone part and a retainer, and the earphone part may be worn on an ear by pulling the string while holding the retainer when the wearable device is worn on the neck. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The above and other aspects, features, and advantages of the present disclosure will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: 
         FIG. 1  is a configuration of a wearable device according to various embodiments of the present disclosure; 
         FIG. 2  is a perspective view illustrating function parts that form a main body of the wearable device according to various embodiments of the present disclosure; 
         FIG. 3  is a side view of  FIG. 2 ; 
         FIG. 4  is a cross-sectional view illustrating a coupled state of the main part and the battery part of the wearable device according to various embodiments of the present disclosure; 
         FIG. 5  is a cross-sectional view illustrating a connected state of the main part and the battery part of the wearable device according to various embodiments of the present disclosure; 
         FIG. 6  is a view illustrating an outer surface of the main part according to various embodiments of the present disclosure; 
         FIG. 7  is a perspective view illustrating function parts that form a main body of a wearable device according to various embodiments of the present disclosure; 
         FIG. 8  is a side view of  FIG. 7 ; 
         FIG. 9  is a cross-sectional view illustrating a coupled state of the main part, the additional function part, and the battery part of the wearable device according to various embodiments of the present disclosure; 
         FIG. 10  is a cross-sectional view illustrating a connected state of the main part, the additional function part, and the battery part of the wearable device according to various embodiments of the present disclosure; 
         FIG. 11A  is a perspective view illustrating a retainer that is provided to a wearable device according to various embodiments of the present disclosure; 
         FIG. 11B  is a cross-sectional view illustrating the retainer that is provided to a wearable device according to various embodiments of the present disclosure; 
         FIG. 12  is a view illustrating a practical wearable device according to various embodiments of the present disclosure; 
         FIG. 13A  is a view illustrating a wearable device according to various embodiments of the present disclosure worn on a neck; 
         FIG. 13B  is a view illustrating earphone parts of the wearable device according to various embodiments of the present disclosure pulled but not worn on ears; and 
         FIG. 13C  is a view illustrating earphone parts of the wearable device according to various embodiments of the present disclosure pulled and worn on ears. 
     
    
    
     DETAILED DESCRIPTION 
     Hereinafter, various embodiments of the present disclosure will be explained with reference to the accompanying drawings. Although specific embodiments of the present disclosure are illustrated in the drawings and relevant detailed descriptions are provided, various changes may be made and various embodiments may be provided. Accordingly, various embodiments of the present disclosure are not limited to the specific embodiments and should be construed as including all changes and/or equivalents or substitutes included in the ideas and technical scope of embodiments of the present disclosure. In describing the drawings, similar reference numerals are used for similar elements. 
     The terms “include” or “may include” used in the embodiments of the present disclosure indicate the presence of disclosed corresponding functions, operations, elements, and the like, and do not limit additional one or more functions, operations, elements, and the like. In addition, it should be understood that the terms “include” or “have” used in the embodiments of the present disclosure indicate the presence of features, numbers, steps, operations, elements, parts, or a combination thereof described in the specification, and do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, parts, or a combination thereof. 
     The term “or” used in the embodiments of the present disclosure include any and all combinations of words enumerated with it. For example, “A or B” means including A, including B, or including both A and B. 
     Although the terms such as “first” and “second” used in the various embodiments of the present disclosure may modify various elements of the various embodiments, these terms do not limit the corresponding elements. For example, these terms do not limit an order and/or importance of the corresponding elements. These terms may be used for the purpose of distinguishing one element from another element. For example, a first electronic device and a second electronic device all indicate electronic devices and may indicate different electronic devices. For example, a first element may be referred to as a second element without departing from the scope of the various embodiments of the present disclosure, and similarly, a second element may be referred to as a first element. 
     It will be understood that, when an element is mentioned as being “connected” or “coupled” to another element, the element may be directly connected or coupled to another element, and there may be an intervening element between the element and another element. On the contrary, it will be understood that, when an element is mentioned as being “directly connected” or “directly coupled” to another element, there is no intervening element between the element and another element. 
     The terms used in the various embodiments of the present disclosure are for the purpose of describing specific embodiments only and do not limit various embodiments of the present disclosure. As used herein, singular forms are intended to include plural forms as well, unless the context clearly indicates otherwise. All of the terms used herein, including technical or scientific terms have the same meanings as those generally understood by a person of ordinary skill in the related art unless they are defined otherwise. The terms defined in a generally used dictionary should be interpreted as having the same meanings as the contextual meanings of the relevant technology and should not be interpreted as having ideal or exaggerated meanings unless they are clearly defined in the various embodiments. 
     An electronic device according to various embodiments of the present disclosure may be a device that is equipped with a communication function. For example, the electronic device may include at least one of a smartphone, a tablet personal computer (PC), a mobile phone, a video phone, an electronic book reader, a desktop PC, a laptop PC, a netbook computer, a Personal Digital Assistant (PDA), a Portable Multimedia Player (PMP), an MP3 player, a mobile medical machine, a camera, or a wearable device (for example, a head-mounted-device (HMD) such as electronic glasses, electronic clothing, an electronic bracelet, an electronic necklace, an electronic appcessory, electronic tattoos, or a smart watch). 
     The electronic device according to various embodiments of the present disclosure may be one or a combination of one or more of the above-mentioned devices. In addition, the electronic device according to various embodiments of the present disclosure may be a flexible device. In addition, it is obvious to a person of ordinary skill in the related art that the electronic device according to various embodiments of the present disclosure is not limited to the above-mentioned devices. 
     Hereinafter, an electronic device according to various embodiments of the present disclosure will be explained with reference to the accompanying drawings. The term “user” used in the various embodiments of the present disclosure may refer to a person who uses the electronic device or a device that uses the electronic device (for example, an artificial intelligence electronic device). 
       FIG. 1  is a configuration of a wearable device according to various embodiments of the present disclosure. 
     The wearable device may be a neck mount type wearable device in view of its position as worn on a user&#39;s body. In particular, the wearable device may be a type to be worn by putting it around the neck using strings w 1  to w 4 . In addition, the wearable device may provide a new wearing method in which a first function part  10  and a second function part  11 , which form the main body of the wearable device, are separated from each other to place the wearable device on the neck, and then third function parts  13 R and  13 L are pulled and worn. 
     For the convenience of description of the present disclosure, the first function part  10  will be referred to as a main part, the second function part  11  will be referred to as a battery part, and the third function parts  13 L and  13 R will be referred to as earphone parts. The terms refer to function parts, which form the main body, for the convenience of description, and the definitions of the technical terms that refer to the first, second and third function parts may be changed depending on various types of wearable devices. For example, when the main part is provided with a display, the main part may be referred to as a display part, and when a camera module is mounted on the battery part, the battery part may be referred to as a camera part. 
     According to various embodiments of the present disclosure, the wearable device may include a main part  10  and a battery part  11 , which may be physically coupled to and separated from each other, strings w 1 , w 2  and w 3 , w 4 , each of which is connected to the main part  10  and battery part  11  to allow the main part  10  and battery part  11  to be worn on a neck and earphone parts  13 R and  13 L, which are connected to the strings w 1  to w 4 . 
     The main part  10  and the battery part  11  may include coupling structures that can be physically coupled to each other and can maintain the coupled state. The coupling structures will be described in detail below. The main part  10  and the battery part  11  are bodies that are classified based on the functions thereof. The main part  10  and the battery part  11  may be referred to as a first function part and a second function part, respectively, or may be referred to as a first module (main module) and a second module (battery module). 
     The main part  10  may be connected to one earphone  13 R by a first string w 1 , w 2 , and the battery part  11  may be connected to another earphone  13 L by a second string w 3 , w 4 . In other words, one end of the first string w 1 , w 2  may be fixed to the main part  10 , and the other end may be fixed to one earphone  13 R. In addition, one end of the second string w 3 , w 4  may be fixed to the battery part  11 , and the other end may be fixed to the other earphone  13 L. Each of the first and second strings w 1 , w 2  and w 3 , w 4  may be maintained in a pulled state by a retainer  14 . Detailed descriptions on the retainer  14  that maintains the pulled states of the first and second strings w 1 , w 2  and w 3 , w 4  will be made below. The first string w 1 , w 2  may function to physically and electrically connect the main part  10  and one earphone  13 R to each other, and the second strings w 3 , w 4  may function to physically and electrically connect the battery part  11  and the other earphone  13 L to each other. In addition, the entire length of each of the first and second strings w 1 , w 2  and w 3 , w 4  is not changed, and the first and second strings w 1 , w 2  and w 3 , w 4  may have equal or similar lengths. 
     The main function of the retainer  14  is to maintain the pulled state of the first and second strings w 1 , w 2  and w 3 , w 4 . However, an additional function of the retainer  14  is to maintain the length of the first and second strings w 1 , w 2  and w 3 , w 4  to be the same as or similar to each other. 
     The first and second strings w 1 , w 2  and w 3 , w 4  include first and second string portions w 1  and w 2  and third and fourth string portions w 3  and w 4 , respectively. By using the retainer  14 , the first and second strings portions w 1  and w 2  and the third and fourth string portions w 3  and w 4  may be movable. 
     The first string portion w 1  may be a string portion that exists between the main part  10  and the retainer  14 , and the second string portion w 2  may be a string portion that exists between the retainer  14  and one earphone  13 R. The third string portion w 3  may be a string portion that exists between the battery part  11  and the retainer  14 , and the fourth string portion w 4  may be a string portion that exists between the retainer  14  and another earphone  13 L. The length of each of the first and second string portions w 1  and w 2  may be changed depending on whether each of the first and second string portions w 1  and w 2  is pulled while fixing the retainer  14 . The length of each of the third and fourth string portions w 3  and w 4  may also be changed depending on whether each of the third and fourth string portions w 3  and w 4  is pulled while fixing the relative position of the retainer  14 . Arrows  1  to  4 , which are indicated in the drawing, represent directions in which the strings may be pulled. 
     The first string portion w 1  may be provided with a sound device such as a speaker  15   a . When the speaker  15   a  is not provided on the first string portion w 1 , the speaker  15   a  may be mounted on the main part  10  or the battery part  11 . The third string portion w 2  may be provided with a sound device such as a microphone  15   b.  When the speaker  15   b  is not provided on the third string portion w 3 , the microphone  15   b  may be mounted on the main part  10  or the battery part  11 . In addition, the wearable device may be provided with a volume adjustment key. In particular, the volume adjustment key may be provided on any of the first to fourth string portions w 1  to w 4 . When the volume adjustment key is not provided on the first to fourth string portions w 1  to w 4 , the volume adjustment key may be mounted on the main part  10  or the battery part  11 . 
     A wearing method will be described below with reference to  FIG. 1 . First, the user separates the main part  10  and the battery part  11 , and then puts the main part  10  and the battery part  11  on the neck. Subsequently, the user couples the main part  10  and the battery part  11  to each other. Subsequently, the user may hold the retainer  14  and pull the string portions w 3  and w 4  so as to lengthen the string portions w 3  and w 4 , and may then wear the earphones  13 R and  13 L on the ears, respectively. One end of each of the string portions w 1  and w 3  may be provided with a plug terminal for connecting to or separating from the first function part. 
     Hereinafter, descriptions will be made on configurations of respective parts that form a main body according to various embodiments of the present disclosure. 
       FIG. 2  is a perspective view illustrating function parts that form a main body of the wearable device according to various embodiments of the present disclosure.  FIG. 3  is a side view of  FIG. 2 . 
     Referring to  FIGS. 2 to 3 , according to various embodiments of the present disclosure, the wearable device includes a main part  10  and a battery part  11  that is coupled to or separated from the main part  10 . The main part  10  and the battery part  11  are coupled to each other to face each other, or may be forcibly separated from each other. Since the main part  10  and the battery part  11  are configured to be separated from each other, the wearable device may be easily put around the neck after two parts  10  and  11  are separated from each other. After the wearable device is put around the neck and then two parts  10  and  11  are coupled to each other, the earphones may be easily worn on the ears. 
     The main part  10  is formed in a coin shape to have an outer surface  100 , an inner surface  101 , and an outer peripheral surface  102 . The battery part  11  is formed in a coin shape to have an outer surface  111 , an inner surface  110 , and an outer peripheral surface  112 . The main part  10  is equipped with a display  106  or a touch screen panel (TSP) on the outer surface  100 , and is provided with an insertion hole  108  on the outer peripheral surface  102 , into which an earphone may be plugged. The inner surface  101  of the main part is arranged such that a connecting terminal (see  FIG. 5 ) is exposed. The battery part  11  includes one or more connecting terminals  114  that are arranged on the inner surface  110 . 
       FIG. 4  is a cross-sectional view illustrating a coupled state of the main part and the battery part of the wearable device according to various embodiments of the present disclosure. 
     Referring to  FIG. 4 , the wearable device includes a coupling structure that is provided between the main part  10  and the battery part  11 . This structure ensures that the main part  10  and the battery part  11  are coupled to face each other, a coupling position is determined, and then the coupled state is not moved. At least a portion of the inner surface of the main part  10  is formed as a protrusion region  101   a,  and at least a portion of the inner surface of the battery part  11  is formed as a recess region  111   a.  Each of the protrusion region  101   a  and the recess region  111   a  may be configured to occupy about one half of the inner surface area of each of the parts. 
       FIG. 5  is a cross-sectional view illustrating a connected state of the main part and the battery part of the wearable device according to various embodiments of the present disclosure. 
     Referring to  FIG. 5 , the wearable device includes a connecting structure that is provided between the main part  10  and the battery part  11 . The connection between the main part  10  and the battery part  11  may be implemented in a wired or wireless manner. The main part  10  is provided with a substrate p 1 , and the substrate p 1  is provided with a display  106  or a TSP and a first connecting connector c 1 . The main part  11  is provided with a substrate p 2 , and the substrate p 2  is provided with one or more battery cells B and a second connecting connector c 2 . 
     Connecting structures between the main part  10  and the battery part  11  may include the connecting connectors c 1  and c 2 , respectively. The main part  10  may include the first connecting connector c 1 , and the battery part  11  may include the second connector c 2  that may be connected to the first connecting connector c 1  and may maintain the connected state. The structure of first connecting connector c 1  may be, for example, a pogo pin. A pogo pin usually takes the form of a slender cylinder containing spring-loaded pins The first connecting connector c 1  may include a plurality of connecting terminals. Each of the connecting terminals is supported by an elastic body to retract into or protrude from the main body of the first connecting connector. The second connecting connector c 2  may be arranged such that a connecting surface is exposed to the inner surface  110  of the battery part. 
     The main part  10  may include one or more first magnetic bodies m 1  and m 2 , and the battery part  11  may include one or more second magnetic bodies m 3  and m 4 . The first magnetic bodies m 1  and m 2  and the second magnetic bodies m 3  and m 4  may be configured to have different polarities. A coupling force may be provided between the main part  10  and the battery part  11  and the coupled state thereof may be maintained by a pulling force (attraction) that is generated between the first magnetic bodies m 1  and m 2  and the second magnetic bodies m 3  and m 4 , which may be forcibly separated from each other. 
       FIG. 6  is a view illustrating an outer surface of the main part according to various embodiments of the present disclosure. 
     Referring to  FIG. 6 , the main part  10  may include a display  106  that is arranged on the outer surface  100  thereof. The display  106  may include a touch screen panel (TSP). When the TSP is mounted on the outer surface  100 , it is possible to implement a wearable device that has various user interface functions. When the display  106  includes the TSP, shortcut icons for executing frequently used applications, a main menu switching key, time, weather, and the like may be displayed on the screen of the main part  10 . The main menu switching key may cause the main screen to be displayed on the display  106 . In addition, in the upper end of the display  106 , status bars may be formed to indicate status of the device, such as a battery charge status, a received signal strength, and the current time. The main part  10  may be formed with a home button, a menu button, and a back button. 
     In addition, the home button causes a main home screen to be displayed on the display  106 . For example, when the home button is touched in the state where a home screen, which is different from the main home screen, or the menu screen is displayed on the display  106 , the main home screen may be displayed on the display  106 . In addition, when the home button is touched while the applications are executed and displayed the display  106 , the main home screen may be displayed on the display  106 . In addition, the home button may be used in order to cause the display  106  to display the most recently used application or a task manager. 
     The menu button provides a connection menu that may be used on the TSP. The connection menu may include a widget addition menu, a background screen change menu, a retrieve menu, an edition menu, an environment setting menu, and the like. The back button may cause the screen, which was executed just prior to the currently executed screen, to be displayed, or may cause the most recently used application to be terminated. 
       FIG. 7  is a perspective view illustrating function parts that form a main body of a wearable device according to various embodiments of the present disclosure.  FIG. 8  is a side view of  FIG. 7 . 
     Referring to  FIGS. 7 and 8 , the main body of the wearable device includes a main part  20 , a battery part  21 , and at least one additional function part  22 . The additional function part  22  may be arranged between the main part  20  and the battery part  21 . However, the additional function part  22  may be arranged on the outer surface of the main part  20  or on the outer surface of the battery part  21 . The arranged positions and the arranged number of additional function parts are not limited. The three above-mentioned parts may include a coupling structure that may physically couple and electrically connect the parts to each other. 
     Since the configurations of the main part  20  and the battery part  21  are the same as those of the main part  10  and the battery part  11  as illustrated in  FIGS. 2 to 5 , detailed descriptions thereof will be omitted. The additional function part  22  may be configured to have shapes that are equal or similar to those of the main part  20  and the battery part  21 , respectively. The additional function part  22  may have an outer surface  200 , an inner surface  201 , and an outer peripheral surface  202 . The additional function part may include connecting terminals  224  that are arranged on the outer surface thereof, and a USB connector  226  that is arranged on the outer peripheral surface thereof. The additional function part  22  may include a battery cell for charging, and may also include a camera module. The additional function part  22  may be coupled to the main part to be used as an auxiliary battery. 
       FIG. 9  is a cross-sectional view illustrating a coupled state of the main part  20 , the additional function part  22 , and the battery part  21  of the wearable device according to various embodiments of the present disclosure.  FIG. 10  is a cross-sectional view illustrating a connected state of the main part  20 , the additional function part  22 , and the battery part  21  of the wearable device according to various embodiments of the present disclosure. 
     Referring to  FIGS. 9 and 10 , the outer surface  220  of the additional function part  22  refers to a surface that faces and is coupled to the inner surface of the main part  20 , and is provided with a recess region (groove region)  220   a.  The recess region  220   a  may be a portion that is coupled to the protrusion region on the inner surface of the main part  20 . The recess region  220   a  may include a third connecting connector c 3 . In addition, the inner surface  221  of the additional function part may include a protrusion region  221   a.  The protrusion region  221   a  may be a portion that is coupled to the recess region of the battery part  21 . The additional function part  22  may be provided with magnetic bodies m 5 , m 6 , m 7 , and m 8 , with reference to the substrate p 3 . First magnetic bodies m 5  and m 6  may be arranged on one surface of the substrate p 3 , and second magnetic bodies m 7  and m 8 , of which the polarity is different from that of the first magnetic bodies m 5  and m 6 , may be provided on the other surface of the substrate p 3 . The first magnetic bodies m 5  and m 6  may provide a coupling force with the main part  20 , and the second bodies m 7  and m 8  may provide a coupling force with the battery part  21 . The additional function part  22  may be equipped with one or more battery cells B 1  and B 2 . 
       FIG. 11A  is a perspective view illustrating a retainer provided to a wearable device according to various embodiments of the present disclosure, and  FIG. 11B  is a cross-sectional view illustrating the retainer provided in a wearable device according to various embodiments of the present disclosure. 
     Referring to  FIGS. 11A and 11B  together with  FIG. 1 , the wearable device includes a retainer  14  that maintains the pulled state of the strings. The retainer  14  is made of an elastic material that has a high friction coefficient, such as silicon or rubber, and is provided on the first string w 1 , w 2  and the second string w 2 , w 3  to maintain the pulled state of the first and second strings. The retainer  14  may include first and second openings  14   a  and  14   b,  through which the first and second strings extend. The string maintaining force of the retainer  14  may be generated by the friction between the outer sheath of the strings and the inner surfaces of the first and second openings of the retainer. In particular, the first and second strings may be conveniently used when the pulled lengths are equal to each other when the first and second strings are pulled. A separate structure may be added to the retainer  14  such that the retainer  14  is substantially equally moved in the longitudinal direction when the first and second strings are pulled. 
       FIG. 12  is a view illustrating a practical wearable device according to various embodiments of the present disclosure.  FIG. 13A  is a view illustrating a state in which a wearable device according to various embodiments of the present disclosure is worn on a neck.  FIG. 13B  is a view illustrating a state in which earphone parts of a wearable device according to various embodiments of the present disclosure are pulled but not worn on ears.  FIG. 13C  is a view illustrating a state in which earphone parts of a wearable device according to various embodiments of the present disclosure are pulled and worn on ears. 
     Referring to  FIGS. 12-13C , the wearable device may be worn in a manner in which the first and second function parts are separated from each other, the strings w 1  and w 3  are put around a neck, and the first and second function parts are coupled to each other.  FIG. 13A  shows such a state. 
     Subsequently, when it is desired to put the earphone parts  13   l  and  13   r  on the ears, the earphone parts  13   l  and  13   r  may be pulled by a predetermined length with reference to the retainer  14 , and then the earphone parts  13   l  and  13   r  may be worn on the ears to be used.  FIG. 13C  shows such a state. When the earphone parts  13   l  and  13   r  are not worn on the ears, the earphone parts  13   l  and  13   r  may also be carried in the state where the earphone parts  13   l  and  13   r are worn on the neck together with the first and second function parts.  FIG. 13B  shows such a state. 
     In addition, according to various embodiments of the present disclosure, the wearable device may be equipped with a battery in each of the battery part or the additional function part and may also be equipped with a battery in the main part in order to prevent the product from being damaged by cut-off of power even if the parts are separated from each other. 
     According to various embodiments of the present disclosure, the wearable device can be conveniently worn on the neck of the user&#39;s body, and is convenient when worn. Further, the wearable device may be conveniently carried or stored when the wearable device is not worn. In addition, the wearable device has a structure that is capable of changing functions or expanding functions. 
     According to various embodiments of the present disclosure, at least part of the apparatus of the present disclosure may be implemented by using instructions stored in a computer-readable storage medium in the form of a programming module. When the instructions are executed by one or more processors, the one or more processors may perform a function corresponding to the instructions. The computer-readable storage medium may be a memory, for example. At least part of the programming module may be implemented (for example, executed) by using the processor. At least part of the programming module may include a module, a program, a routine, sets of instructions, a process, and the like for performing one or more functions. 
     Examples of a computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as Compact Disc Read Only Memories (CD-ROMs) and Digital Versatile Disc (DVDs), magneto-optical media such as floptical disks, and hardware devices such as Read Only Memories (ROMs), Random Access Memories (RAMs) and flash memories that are configured to store and execute program commands (for example, the programming module). Examples of the program commands include machine language codes created by a compiler and high-level language codes that can be executed by a computer by using an interpreter. The above-described hardware devices may be configured to operate as one or more software modules for performing operations of various embodiments of the present disclosure, and vice versa. 
     A module or programming module according to various embodiments of the present disclosure may include one or more of the above-described elements, may omit some elements, or may further include additional elements. The operations performed by the module, the programming module, or the other elements according to various embodiments of the present disclosure may be performed serially, in parallel, repeatedly, or heuristically. In addition, some operations may be performed in a different order or may omitted, and additional operations may be added. 
     While the disclosure has been shown and described with reference to certain embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the disclosure is defined not by the detailed description of the disclosure but by the appended claims and their equivalents and all differences within the scope will be construed as being included in the present disclosure.