KR20140128489A - Smart glass using image recognition and touch interface and control method thereof - Google Patents

Abstract

Disclosed is a smart glass. The smart glass comprises a storage unit, a transparent or light-transmissive lens unit, a camera unit imaging a foreground recognized by eyes of a user who wears the smart glass, a touch interface unit receiving a user touch input applied to the smart glass, a display unit displaying additional information on the lens unit to provide visual additional information in addition to the foreground recognized by the eyes of the user who wears the smart glass, and a control unit performing an operation corresponding to selected additional information when one of additional information displayed on the lens unit is selected by the received touch input.

Description

TECHNICAL FIELD [0001] The present invention relates to a smart eyeglass and a control method thereof,

The present invention relates to smart glasses using image recognition and a touch interface, and a control method thereof.

The augmented reality is different from the virtual reality technology in that the virtual reality is supplemented and displayed to the user by superimposing the virtual world on the real world, which is advantageous in providing a better sense of reality to the user than the virtual reality.

Generally, the augmented reality uses a display device such as an HMD (Head Mounted Display) or a HUD (Head Up Display) to display various information in front of the user's eyes. In addition, researches on manipulating an augmented object in augmented reality using gesture recognition are actively under way.

The HMD is mounted on the user's head or other part and presents independent projected images to the left and right eyes so that when the user watches the object of view, An image is generated and the binocular parallax enables the perception of the depth sense.

The HUD also projects images in a transparent glass such as glass to allow the user to visually recognize the information projected from the HUD and the external background simultaneously through the transparent glass.

The present invention provides smart glasses and a control method thereof using image recognition and a touch interface.

According to another aspect of the present invention, there is provided a smart eyeglass including a storage unit, a transparent or light transmissive lens unit, a camera unit for photographing a foreground recognized by the wearer's vision, A display unit for displaying additional information in the lens unit to provide visual additional information in addition to a foreground recognized by the smart glasses wearer's eye, And a controller for performing an operation corresponding to the selected additional information when one of the additional information displayed on the lens unit is selected through touch input.

If the selected additional information is the foreground shared menu, the control unit may control the communication unit to transmit an image corresponding to the foreground shot through the camera unit to the SNS server apparatus.

If the selected additional information is a face recognition menu, the control unit detects a face image in an image corresponding to a foreground photographed through the camera unit, and stores the detected face image and a face image stored in the storage unit Detects the user information corresponding to the detected face image, and controls the display unit to display the detected user information.

The touch interface unit may be disposed on the left hook, the right hook, or the left and right hooks of the smart glasses.

According to another aspect of the present invention, there is provided a method of controlling smart glasses including a transparent or light transmissive lens unit, the method comprising: photographing a foreground recognized by the wearer of the smart glasses; Displaying additional information on the lens unit in order to provide visual additional information in addition to the foreground recognized by the smart glasses wearer's eyes, Receiving a touch input, and performing an operation corresponding to the selected additional information if one of the additional information displayed on the lens unit is selected through the received touch input.

If the selected additional information is the foreground shared menu, the method may further include transmitting the image corresponding to the foreground shot through the camera unit to the SNS server apparatus.

The method may further include detecting a face image in an image corresponding to a foreground photographed through the camera unit when the selected additional information is a face recognition menu, comparing the detected face image with a face image stored in the storage unit, Detecting user information corresponding to the detected face image, and displaying the detected user information in a foreground recognized by the wearer's smartphone.

The user touch input may be received through a touch interface disposed on both the left and right hooks of the smart glasses.

According to various embodiments of the present invention, it is possible to further improve the usability of the user wearing the smart glasses by providing the smart glasses using the image recognition and the touch interface and the control method thereof.

FIG. 1 and FIG. 2 are perspective views illustrating the configuration of smart glasses according to an embodiment of the present invention.
3 is a view showing an example of a view shown to a user through smart glasses.
Figs. 4 and 5 are perspective views showing still another embodiment of the configuration of smart glasses. Fig.
6 is a block diagram showing an embodiment of the configuration of smart glasses according to the present invention.

The following merely illustrates the principles of the invention. Thus, those skilled in the art will be able to devise various apparatuses which, although not explicitly described or shown herein, embody the principles of the invention and are included in the concept and scope of the invention. Furthermore, all of the conditional terms and embodiments listed herein are, in principle, only intended for the purpose of enabling understanding of the concepts of the present invention, and are not to be construed as limited to such specifically recited embodiments and conditions do.

It is also to be understood that the detailed description, as well as the principles, aspects and embodiments of the invention, as well as specific embodiments thereof, are intended to cover structural and functional equivalents thereof. It is also to be understood that such equivalents include all elements contemplated to perform the same function irrespective of the currently known equivalents as well as the equivalents to be developed in the future, i.e., the structure.

Thus, for example, it should be understood that the block diagrams herein represent conceptual views of exemplary circuits embodying the principles of the invention. Similarly, all flowcharts, state transition diagrams, pseudo code, and the like are representative of various processes that may be substantially represented on a computer-readable medium and executed by a computer or processor, whether or not the computer or processor is explicitly shown .

The functions of the various elements shown in the figures, including the functional blocks depicted in the processor or similar concept, may be provided by use of dedicated hardware as well as hardware capable of executing software in connection with appropriate software. When provided by a processor, the functions may be provided by a single dedicated processor, a single shared processor, or a plurality of individual processors, some of which may be shared.

Also, the explicit use of terms such as processor, control, or similar concepts should not be interpreted exclusively as hardware capable of running software, and may be used without limitation as a digital signal processor (DSP) (ROM), random access memory (RAM), and non-volatile memory. Other hardware may also be included.

In the claims hereof, the elements represented as means for performing the functions described in the detailed description include all types of software including, for example, a combination of circuit elements performing the function or firmware / microcode etc. , And is coupled with appropriate circuitry to execute the software to perform the function. It is to be understood that the invention defined by the appended claims is not to be construed as encompassing any means capable of providing such functionality, as the functions provided by the various listed means are combined and combined with the manner in which the claims require .

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a configuration of a smart glasses according to an embodiment of the present invention. The smart glasses 1 shown in FIG. 1 can be manufactured in the form of glasses so as to be positioned close to a user's eyes.

1, the smart glasses 1 according to the embodiment of the present invention include left and right lens frames 10 and 11, a frame connecting portion 20, left and right lens frames 10 and 11, And may include hook portions 30 and 31 and left and right lenses 50 and 51, respectively.

On the other hand, an image acquisition device capable of photographing a photograph or a moving image can be mounted on the front surface of the smart glasses 1. For example, as shown in FIG. 1, a camera 110 is placed on the front surface of the frame connection part 20 .

 Accordingly, the user wears the smart glasses 1 in the form of glasses and can photograph or store or share the pictures or moving pictures using the camera 110 while moving.

In this case, the viewpoint of the image captured by the camera 110 may be very similar to the viewpoint of the scene recognized by the user.

In addition, a gesture such as a user's hand movements is recognized using the camera 110, and the operation or function of the smart glasses 1 can be controlled according to the recognized gesture.

The position or the number of the camera 110 may be changed as needed, and a special-purpose camera such as an infrared camera may be used.

Further, units for performing a specific function may be arranged in each of the right and left fastening portions 30 and 31. [

The right side-arm 31 may be equipped with user interface devices for receiving user input for controlling the function of the smart glasses 1.

For example, a track ball 100 or a touch pad 101 for selecting or moving an object such as a cursor on a screen, a menu item, or the like may be disposed on the right hook 31.

The menu includes a face recognition menu for recognizing the user face displayed in the foreground recognized by the smart glasses wearer, a foreground sharing menu for sharing the image photographed by the camera with the acquaintance of the smart glasses wearer through the SNS can do.

The user interface device provided in the smart glasses 1 is not limited to the track ball 100 and the touch pad 101 but may be a variety of input devices such as a key pad dome switch, Respectively.

On the other hand, the microphone 120 may be mounted on the left side-arm 30, and the operation or function of the smart glasses 1 may be controlled using the user's voice recognized through the microphone 120 .

The sensing unit 130 is disposed on the left hook 30 to sense the current state of the smart glasses 1, such as the position of the smart glasses 1, the presence of the user, the orientation, the acceleration / deceleration, It is possible to generate a sensing signal for controlling the operation of the eyeglasses 1.

For example, the sensing unit 130 may include a motion sensor such as a gyroscope or an accelerometer, a position sensor such as a GPS device, a magnetometer, a theodolite, A direction sensor, a temperature sensor, a humidity sensor, a wind direction / wind speed sensor, and the like. However, the present invention is not limited thereto and may include sensors capable of detecting various information in addition to the above sensors.

For example, the sensing unit 130 may further include an infrared sensor. The infrared sensor includes a light emitting unit that emits infrared rays and a light receiving unit that receives infrared rays. The infrared sensor may be used for infrared communication, .

The smart glasses 1 according to an embodiment of the present invention may include a communication unit 140 for communication with an external device.

For example, the communication unit 140 may include a broadcast receiving module, a mobile communication module, a wireless Internet module, and a local communication module.

The broadcast receiving module receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may be a server for generating and transmitting broadcast signals and / or broadcast-related information, or a server for receiving broadcast signals and / or broadcast-related information generated by the broadcast server and transmitting the generated broadcast signals and / or broadcast- The broadcast-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

Meanwhile, the broadcast-related information may be provided through a mobile communication network, and in this case, it may be received by a mobile communication module.

Broadcast-related information can exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module may be a DMB-T (Digital Multimedia Broadcasting-Terrestrial), a DMB-S (Digital Multimedia Broadcasting-Satellite), a MediaFLO (Media Forward Link Only), a DVB- And a digital broadcasting system such as ISDB-T (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module may be configured to be suitable not only for the digital broadcasting system described above but also for all broadcasting systems that provide broadcasting signals.

The broadcast signal and / or broadcast related information received through the broadcast receiving module may be stored in a memory.

On the other hand, the mobile communication module transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module refers to a module for wireless Internet access, and the wireless Internet module can be built in or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module is a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

In addition, the smart glasses 1 according to an embodiment of the present invention may include a display device for displaying images and transmitting visual information to a user.

The display device may be configured to include a transparent or light transmissive unit so that a user can see a front view that is displayed in front of the information displayed by the display device.

For example, at least one of the left and right lenses 50, 51 shown in Fig. 1 functions as a transparent display as described above, so that the user can visually recognize the text or image formed on the lens, Can be seen.

For this purpose, the smart glasses 1 can display various information in front of the user by using a display device such as an HMD (Head Mounted Display) or a HUD (Head Up Display).

The HMD includes a lens that enlarges an image to form a virtual image, and a display panel disposed at a position closer to the focal distance of the lens. When the HMD is mounted near the user's head, the user can visually recognize the virtual image by viewing the image displayed on the display panel through the lens.

In the HUD, an image displayed on a display panel is enlarged through a lens, the enlarged image is reflected by a half mirror, and the reflected light is displayed to a user, thereby forming a virtual image. In addition, since the half mirror transmits external light, the user can see the foreground as well as the virtual image formed by the HUD by the light from the outside passing through the half mirror.

The display device may be implemented using various transparent display methods such as TOLED (Transparent OLED).

Hereinafter, an embodiment of the present invention will be described by way of example in which the smart glasses 1 are provided with the HUD, but the present invention is not limited thereto.

Referring to the rear surface configuration of the smart glasses 1 shown in Fig. 2, HUDs 150 and 151 functioning like a projector are mounted on the rear surface of at least one of the left hooking portion 30 and the right hooking portion 31 .

The image formed by the HUDs 150 and 151 is reflected by the left and right lenses 50 and 51 and is displayed to the user so that the object 200 formed by the HUDs 150 and 151 is reflected by the left and right lenses 50 and 51, 51). ≪ / RTI >

In this case, the object 200 and the foreground 250 displayed on the left and right lenses 50 and 51 by the HUDs 150 and 151 can be observed together with the user's field of view, as shown in Fig.

The object 200 displayed on the left and right lenses 50 and 51 by the HUDs 150 and 151 is not limited to the menu icon as shown in Fig. 3 and may be an image such as text, a picture, a moving picture, or the like.

1 and FIG. 2, the smart glasses 1 can be used for shooting, telephone, message, social network service (SNS), navigation, search, etc. Function can be performed.

The functions of the smart glasses 1 may include various functions in addition to the functions described above according to modules provided.

For example, functions that combine two or more functions may be implemented by transmitting a moving image photographed through the camera 110 to the SNS server through the communication unit 140 and sharing the same with other users.

A 3D glasses function for allowing a user to view a stereoscopic image may be implemented in the smart glasses 1.

For example, the external display device alternately displays the left eye image or the right eye image alternately on a frame basis, so that the smart glasses 1 can selectively open or close both eyes of the user so that the user can feel the three-dimensional feeling.

That is, the smart glasses 1 open the user's left-side shutter when the display device displays the left-eye image, open the right-eye-side shutter of the user when the display device displays the right- So that the stereoscopic effect of the image can be recognized.

Figs. 4 and 5 show another embodiment of the construction of the smart glasses in a perspective view.

4, the smart glasses 1 are provided with only one of the left and right lenses (for example, the right lens 51), and are displayed on the inner display device of the smart glasses 1 such as the HUD on only one eye So that the image can be displayed.

5, one eye (e.g., left eye) portion of the user is completely uncovered without being covered by the lens, and only an upper portion of another eye (e.g., right eye) The smart glasses 1 may be embodied.

The shape and configuration of the smart glasses 1 may be selected or changed according to various needs such as a usage field, a main function, and a usage layer.

Hereinafter, a method of controlling the smart glasses according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 6 to 20. FIG.

6 is a block diagram of an embodiment of the configuration of the smart glasses according to the present invention. The smart glasses 300 shown in FIG. 6 include a control unit 310, a camera 320, a sensing unit 330, a display unit 340, a communication unit 350, and a storage unit 360.

6, the control unit 310 generally controls the overall operation of the smart glasses 300 and performs related control and processing for shooting, telephone, message, SNS, navigation, search, etc., . The controller 310 may include a multimedia module (not shown) for multimedia playback. The multimedia module may be implemented in the controller 310 or may be implemented separately from the controller 310.

In particular, when the menu selected in the additional information displayed on the lens unit is the foreground shared menu, the control unit 310 controls the communication unit 350 to transmit the image corresponding to the foreground shot through the camera unit 320 to the SNS server apparatus .

If the menu selected in the additional information displayed on the lens unit is the face recognition menu, the control unit 310 detects the face image from the image corresponding to the foreground photographed through the camera unit 320, The face image stored in the unit 360 is detected to detect user information corresponding to the detected face image and the display unit 340 displays the detected user information in a foreground recognized by the wearer's eye Can be controlled.

The control unit 310 includes a camera 320, a sensing unit 330, a display unit 340, a communication unit 350, and a storage unit 350, including one or more processors and a memory for performing the functions described above. And processing the signal input from the controller 360 and analyzing the processed signal.

On the other hand, the camera 320 processes an image frame such as still image or moving image obtained by the image sensor in a video communication mode or a photographing mode, and the processed image frame can be displayed through the display unit 340.

The image frame processed by the camera 320 may be stored in the storage unit 360 or may be transmitted to the outside via the communication unit 350. The camera 320 may be provided at two or more different positions depending on the use environment.

The sensing unit 330 may acquire biometric information of a user such as blood pressure, blood sugar, pulse, electrocardiogram, body temperature, exercise amount, face, iris, fingerprint, etc., And may include one or more sensors for acquisition.

According to one embodiment of the present invention, the control unit 310 performs a user authentication operation by checking the user using the biometric information of the user acquired by the sensing unit 330, and controls the smart glasses 300 ) Can be controlled.

Meanwhile, the storage unit 360 may store a program for the operation of the control unit 310 and temporarily store input / output data (e.g., a message, a still image, a moving picture, and the like).

The storage unit 360 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) (Random Access Memory), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM) A magnetic disk, and / or an optical disk.

The smart glasses 300 may also operate in association with a web storage that performs storage functions of the storage unit 360 over the Internet.

The display unit 340 displays (outputs) information processed in the smart glasses 300. For example, when the smart glasses 300 is in a call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. In the video communication mode or the photographing mode, UI, GUI can be displayed.

1 to 3, the display unit 340 may include an HMD, a HUD (HUD), and a display unit (not shown) to allow the user to visually recognize an object displayed through the display unit 340, Or a transparent display method such as TOLED.

The communication unit 350 may include one or more communication modules for allowing the smart glasses 300 to perform data communication with the external device 400. For example, the communication unit 350 may include a broadcast receiving module, a mobile communication module, A short range communication module, a location information module, and the like.

The smart glasses 300 may further include an interface unit (not shown) serving as a path for communication with all external devices connected to the smart glasses 300.

The interface unit receives data from an external device or supplies power to each component in the smart glasses 300 or transmits data in the smart glasses 300 to an external device.

For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit.

The identification module is a chip for storing various information for authenticating the usage right of the smart glasses 300 and includes a user identification module (UIM), a subscriber identity module (SIM) (Universal Subscriber Identity Module, USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the smart glasses 300 through the port.

In addition, when the smart glasses 300 are connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the smart glasses 300, or various command signals input from the cradle by the user And may be a passage to be transmitted to the mobile terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The smart glasses 300 may further include a power supply unit (not shown) that receives external power and internal power under the control of the controller 310 and supplies power required for operation of the components. The power supply unit may include a system capable of charging using solar energy.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof. According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing functions. In some cases, And may be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. Also, the software codes may be stored in the memory unit 360 and executed by the control unit 310. [

Hereinafter, a mounting electronic device and a control method thereof according to an embodiment of the present invention will be described in more detail based on the configuration of the smart glasses 300 described above.

The camera 320 may photograph a 'foreground image' (hereinafter referred to as a real image) perceived by the user's eyes in accordance with the gaze of the user wearing the smart glasses 300.

The control unit 310 analyzes the photographed image through the camera 320 and receives the position information at the time of photographing, the acceleration sensor, the gyro sensor, and the geomagnetism sensor value, and obtains a past image of the life log to be compared with the current real image It is possible to extract information necessary for searching. Here, if the user selects a specified object (a specific person or the like) or inputs information of the specific object, the control unit 310 can search the storage unit 360 for a past image of the selected specific object ).

In addition, the control unit 310 can search the storage unit 360 for a past image of the selected target (the current position, the place of the bearing, or a specific person selected by the user) and read the past image (image information search function).

In addition, the controller 310 may compare the current real image and the past image of the current place or the specific person extracted by the search to match the image. In the image matching, the image capturing position and orientation, And so on to match the current image with the stored past image. If there is a changed region, place, or object in the image resulting from the image matching, the changed information may be provided to the display unit 340 (image conversion matching function).

Accordingly, the display unit 340 can display the change information in the image, which is a result of the past image or image matching matched in the above.

Meanwhile, the method according to various embodiments of the present invention described above may be implemented in program code and provided to each server or devices in a state stored in various non-transitory computer readable media.

A non-transitory readable medium is a medium that stores data for a short period of time, such as a register, cache, memory, etc., but semi-permanently stores data and is readable by the apparatus. In particular, the various applications or programs described above may be stored on non-volatile readable media such as CD, DVD, hard disk, Blu-ray disk, USB, memory card, ROM,

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

300: smart glasses 310: control unit
320: camera 330: sensing unit
340: display unit 350: communication unit
360: storage unit 400: external device

Claims (8)

In smart glasses,
A storage unit;
A transparent or light transmissive lens unit;
A camera unit for photographing a foreground recognized by the smart glasses wearer;
A touch interface unit for receiving a user touch input to the smart glasses;
A display unit for displaying additional information in the lens unit to provide visual additional information in addition to a foreground recognized by the smart spectacle wearer's vision; And
And a controller for performing an operation corresponding to the selected additional information when one of the additional information displayed on the lens unit is selected through the received touch input. The method according to claim 1,
If the selected additional information is the foreground shared menu,
Wherein,
And controls the communication unit to transmit the image corresponding to the foreground shot through the camera unit to the SNS server apparatus. The method according to claim 1,
If the selected additional information is a face recognition menu,
Wherein,
Detecting a face image in an image corresponding to a foreground photographed through the camera unit, detecting user information corresponding to the detected face image by comparing the detected face image with a face image stored in the storage unit, And controls the display unit to display the user information. The method according to claim 1,
The touch interface unit includes:
Wherein the smart glasses are disposed on both sides of the left hook portion, the right hook portion, or the right and left hook portions of the smart glasses. A method of controlling smart glasses comprising a transparent or light transmissive lens unit,
Photographing a foreground recognized by the smart spectacle wearer;
Displaying additional information in the lens unit in order to provide visual additional information in addition to a foreground recognized by the smart spectacle wearer's vision;
Receiving a user touch input for selecting one of additional information displayed on the lens unit;
And performing an operation corresponding to the selected additional information if one of the additional information displayed on the lens unit is selected through the received touch input. 6. The method of claim 5,
If the selected additional information is the foreground shared menu,
And transmitting the image corresponding to the foreground shot through the camera unit to the SNS server apparatus. 6. The method of claim 5,
If the selected additional information is a face recognition menu,
Detecting a face image in an image corresponding to a foreground photographed through the camera unit;
Comparing the detected face image with a face image stored in the storage unit to detect user information corresponding to the detected face image; And
And displaying the detected user information by adding the detected user information to the foreground recognized by the wearer's smart glasses. 6. The method of claim 5,
The user touch input includes:
And a touch interface unit disposed on both sides of the left and right hanger parts or the left and right hanger parts of the smart glasses.

Images