Smart wearable device

Abstract

The application provides a smart wearable device, and relates to the technical field of smart wearable devices.The smart wearable device comprises glasses and at least one multimedia device, the glasses are provided with at least one mounting groove on a frame of the glasses, the multimedia device comprises earphones, the multimedia device is detachably mounted in the mounting groove, and a first end of the multimedia device is exposed from the mounting groove; and the at least one multimedia device comprises a camera unit, and the camera unit is arranged at the first end of the multimedia device.The smart wearable device is convenient to carry and store, integrates the functions of the glasses, the camera unit and the earphones, and can adapt to complex scenes.

Description

Technical Field

[0001] This application relates to the field of smart wearable technology, and more particularly to a smart wearable device. Background Technology

[0002] In today's smart wearable field, glasses, miniature earphones, and camera devices are common devices, currently mostly existing in independent form. These independent devices each possess basic functions: glasses generally focus on display and interaction, miniature earphones emphasize audio playback, and camera devices are used for recording. However, independent devices mean users need to carry and store them separately, and due to their relatively limited functionality, they are difficult to adapt to complex scenarios. Utility Model Content

[0003] To address at least one of the problems mentioned in the background art, this application provides a smart wearable device that is easy to carry and store, integrates the functions of glasses, headphones, and camera, and can adapt to complex scenarios.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] In a first aspect, this application provides a smart wearable device, including glasses and at least one multimedia device. The frame of the glasses is provided with at least one mounting slot. The multimedia device includes headphones. The multimedia device is detachably mounted in the mounting slot, and the first end of the multimedia device protrudes from the mounting slot.

[0006] At least one multimedia device includes a camera unit, which is disposed at the first end of the multimedia device.

[0007] As an alternative implementation, the mounting slot has a charging port, the glasses are smart glasses, and the glasses are configured to charge the headphones via the charging port.

[0008] As an alternative implementation, the earphones are wireless earphones, which can be detachably installed in the mounting slot by means of snap-fit ​​or magnetic attraction.

[0009] As an alternative implementation, the mounting slot is located on the temple or rim of the eyeglasses.

[0010] As an alternative implementation, the multimedia device also includes a housing, in which the headphones and camera unit are both disposed. The headphones include a circuit board, a battery, and an audio unit, and the camera unit, battery, and audio unit are all electrically connected to the circuit board.

[0011] As an alternative implementation, the mounting slot is located on the side of the lens ring away from the wearer's face, and the camera unit is located at the opening of the mounting slot.

[0012] As an optional implementation, the audio unit is disposed at the second end of the multimedia device, and the second end and the first end of the multimedia device are opposite ends of the multimedia device.

[0013] As an optional implementation, a charging case is also included, which has a charging slot for holding and charging the earphones.

[0014] As an optional implementation, it also includes an image display unit, which is integrated into the lens of the glasses. The image display unit is communicatively connected to the camera unit and is used to display image data acquired by the camera unit.

[0015] As an optional implementation, the multimedia device includes at least two camera units, including a first camera unit and a second camera unit. The first camera unit is disposed at a first end of the multimedia device, and the second camera unit is disposed on the side of the multimedia device.

[0016] The smart wearable device provided in this application includes glasses and at least one multimedia device. The glasses frame has at least one mounting slot. The multimedia device includes headphones and is detachably mounted in the mounting slot, with its first end protruding from the slot. The at least one multimedia device includes a camera unit located at its first end. This smart wearable device, by providing mounting slots in the glasses frame, allows for the detachable mounting of multimedia devices with their first end exposed. At least one multimedia device includes headphones and a camera unit. This design solves the problem of users having to carry and store multiple independent devices separately. Furthermore, by integrating glasses, headphones, and camera functions, the device can adapt to more complex scenarios, achieving convenient portability, storage, and functional integration. In use, the user simply wears the glasses. The camera unit, protruding from the mounting slot, can directly capture the image in front of the user's field of vision. The headphones, located on the multimedia device, are close to the user's ears, allowing for convenient audio playback. If the multimedia device is not needed, it can be detached from the mounting slot, offering flexibility and convenience. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a first schematic diagram of a smart wearable device provided in an embodiment of this application;

[0019] Figure 2 This is a second schematic diagram of a smart wearable device provided in an embodiment of this application;

[0020] Figure 3 This is a schematic diagram of a multimedia device in a smart wearable device provided in an embodiment of this application;

[0021] Figure 4 This is a schematic diagram of a charging case in a smart wearable device provided in an embodiment of this application.

[0022] Explanation of reference numerals in the attached figures:

[0023] 100 - Smart wearable devices;

[0024] 110 - Glasses;

[0025] 111 - Mounting slot;

[0026] 112 - Temples;

[0027] 113 - Lens ring;

[0028] 114-Lens;

[0029] 120 - Multimedia equipment;

[0030] 121 - Headphones;

[0031] 122 - Outer shell;

[0032] 123 - Camera Unit;

[0033] 130 - Charging case;

[0034] 131 - Charging slot. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] In this application, the terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” “outer,” “vertical,” “horizontal,” “lateral,” and “longitudinal” indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.

[0037] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0038] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0039] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0040] In the field of smart wearables, glasses, miniature earphones, and camera devices are common devices, and currently they mostly exist in independent form. These independent devices each have basic functions; glasses generally focus on display and interaction functions, miniature earphones focus on audio playback, and camera devices are used for recording. However, independent devices mean that users need to carry and store them separately, and due to their relatively limited functionality, they are difficult to adapt to complex scenarios.

[0041] In view of this, this application provides a smart wearable device, including glasses and at least one multimedia device. The glasses frame has at least one mounting slot. The multimedia device includes headphones and is detachably mounted in the mounting slot, with its first end protruding from the slot. The at least one multimedia device includes a camera unit located at its first end. This design solves the problem of users having to carry and store multiple independent devices separately. By integrating glasses, headphones, and camera functions, the device can adapt to more complex scenarios, achieving convenient portability, storage, and functional integration. In use, the user simply wears the glasses; the camera unit protruding from the mounting slot can directly capture the image in front of the user's field of vision. The headphones on the multimedia device, being close to the user's ears, allow for convenient audio playback. If the multimedia device is not needed, it can be detached from the mounting slot, offering flexibility and convenience.

[0042] Figure 1This is a first schematic diagram of a smart wearable device provided in an embodiment of this application; Figure 2 This is a second schematic diagram of a smart wearable device provided in an embodiment of this application; Figure 3 This is a schematic diagram of a multimedia device in a smart wearable device provided in an embodiment of this application; Figure 4 This is a schematic diagram of a charging case in a smart wearable device provided in an embodiment of this application.

[0043] You can refer to this. Figures 1 to 4 This application provides a smart wearable device 100, including glasses 110 and at least one multimedia device 120. The frame of the glasses 110 is provided with at least one mounting slot 111. The multimedia device 120 includes an earphone 121. The multimedia device 120 is detachably mounted in the mounting slot 111, and the first end of the multimedia device 120 is exposed in the mounting slot 111. At least one multimedia device 120 includes a camera unit 123, which is disposed at the first end of the multimedia device 120.

[0044] The smart wearable device 100 provided in this application allows for the detachable installation of a multimedia device 120 with its first end exposed by setting a mounting slot 111 on the frame of glasses 110. At least one multimedia device 120 includes an earphone 121 and a camera unit 123. This design solves the problem of users having to carry and store multiple independent devices separately, and by integrating glasses 110, earphones 121, and camera functions, the device can adapt to more complex scenarios, achieving the technical effects of convenient portability, storage, and functional integration. In use, the user only needs to wear the glasses 110. At this time, the camera unit 123, with the mounting slot 111 exposed, can directly capture the image in front of the user's field of vision. The earphones 121, located on the multimedia device 120, are close to the user's ears, allowing the user to easily hear audio content. If the multimedia device 120 is not needed, it can be detached from the mounting slot 111, making it flexible and convenient.

[0045] For example, in a meeting setting, participants can wear this smart wearable device 100. When they need to focus on recording meeting content, they can remove the earphone 121 from the mounting slot 111 in the frame and wear it to their ears, where they can clearly receive audio information. If they only need to occasionally listen to key speeches, since the mounting slot 111 is close to the ear, simply placing the earphone 121 in the mounting slot 111 is sufficient to hear the sound clearly. The whole process is convenient and efficient, meeting the needs of different scenarios. In addition, the meeting can also be recorded via the camera unit 123.

[0046] In the above embodiment, the mounting slot 111 has a charging interface, and the glasses 110 are smart glasses 110, configured to charge the earphones 121 via the charging interface. Thus, the earphones 121 can be used while charging, and can be used whenever needed. For example, in a business negotiation scenario, the user wearing the glasses 110 can view negotiation materials through its display function, the camera unit 123 can capture negotiation documents in real time and transmit them synchronously to the terminal for archiving, and the audio unit can transmit the other party's voice information at close range. If a panoramic view of the meeting room needs to be captured, the multimedia device 120 can be detached, the shot can be taken handheld, and then it can be placed back into the mounting slot 111 for charging. This avoids the cumbersome process of carrying a separate camera, earphones 121, and glasses 110, and meets the combined needs of display, audio, and shooting during the negotiation process through functional integration, effectively solving the problems of single-function and inconvenient carrying of independent devices.

[0047] In the above embodiment, the earphone 121 is a wireless earphone 121, which can be detachably installed in the mounting slot 111 by snap-fit ​​or magnetic attraction. It is understood that the earphone 121's detachable installation in the mounting slot 111 by snap-fit ​​or magnetic attraction makes the installation and removal of the earphone 121 simple and flexible, and also allows it to fit securely against the frame when installed, making it convenient to use at any time. When users are commuting, if they need to receive navigation audio immersively, they can remove the earphone 121 from the mounting slot 111 and wear it in their ear canal by unsnap or magnetically attaching it. The sealed acoustic structure of the earphone 121 allows them to obtain clear audio. If they only need to perceive ambient sound and device audio together, they do not need to remove the earphone 121. They can keep it fixed in the mounting slot 111 by snap or magnetic attachment. Due to the close proximity of the mounting slot 111 to the ear, the audio signal can be conducted to the auditory system through the air, achieving the effect of listening without wearing it. At the same time, the glasses 110 can be recharged through the built-in charging port when the earphone 121 is installed. This not only ensures the multi-functional compatibility of the device but also improves the convenience of battery life, effectively solving the problems of cumbersome carrying and limited functionality of independent devices.

[0048] In the above embodiments, the mounting slot 111 can be located on the temple 112 or the lens 113 of the glasses 110. The mounting slot 111's location on the temple 112 or the lens 113 of the glasses 110 further optimizes the device's portability and adaptability. The natural position of the temple 112 close to the ear allows the earphone 121 within the mounting slot 111 to more easily achieve close-range sound transmission, while the position of the lens 113 balances the overall weight of the device, preventing excessive weight on one side from affecting wearing comfort. Simultaneously, the spatial layout of both the temple 112 and the lens 113 allows the earphone 121 to form an integral structure with the glasses 110 when installed, reducing the risk of parts falling out during carrying, and without affecting the normal use of the glasses 110's original interactive functions. For example, in outdoor cycling scenarios, if the mounting slot 111 is located on the temple 112, the user can receive road condition voice prompts pushed by the glasses 110 through close-range sound transmission without removing the earphone 121, ensuring safe operation without taking both hands off the handlebars; if the mounting slot 111 is located on the lens rim 113, the earphone 121 is not easy to fall off when the glasses 110 is temporarily removed, which is convenient to put back on and use at any time, and can also be charged through the glasses 110, effectively solving the problems of inconvenience in carrying independent devices and limited functionality.

[0049] In the above embodiments, the multimedia device 120 may further include a housing 122, with the earphone 121 and camera unit 123 both housed within the housing 122. The earphone 121 includes a circuit board, a battery, and an audio unit, all of which are electrically connected to the circuit board. The earphone 121 of the multimedia device 120 can integrate the circuit board, battery, and audio unit within the housing 122, forming a compact, independent audio module. Combined with the snap-fit ​​or magnetic fitting design between the housing 122 and the mounting slot 111, this ensures the integrity of the earphone 121's own functions (battery power supply, circuit board control of the audio unit to produce sound) and allows for stable connection between the housing 122 and the mounting slot 111 on the temple 112 or frame 113 of the glasses 110, enabling convenient storage and charging. This integrated design allows the earphone 121 to achieve close-range sound transmission when installed, relying on the fixed position of the housing 122, and to be worn as an independent earphone when detached, further enhancing the device's functional integration and scene adaptability.

[0050] For example, in an office setting, when the mounting slot 111 is located on the temple 112, when the user is wearing glasses 110 to process documents, the earphone 121 installed in the outer shell 122 of the temple 112 can transmit the audio signal of the video conference at close range through the audio unit, and can be heard clearly without removing it; if you need to make or receive a call outside, you can simply remove the earphone 121 with the outer shell 122 through a snap-on or magnetic structure, and you can make a call independently with the power supply of the battery inside the outer shell 122. After the call, you can put it back in the mounting slot 111 and recharge the battery inside the outer shell 122 through the charging port of glasses 110. This solves the problem of scattered parts when carrying independent devices, and meets the usage needs of multiple scenarios such as office and travel through functional integration.

[0051] In the above embodiment, the mounting slot 111 is located on the side of the lens rim 113 facing away from the wearer's face, and the camera unit 123 is located at the opening of the mounting slot 111. By placing the mounting slot 111 on the outside of the glasses 110, and positioning the camera unit 123 at the opening of the mounting slot 111 with its lens facing outwards from the mounting slot 111, this design allows the camera unit 123 to achieve a better shooting angle and greater flexibility of use within the overall structure of the device. On the one hand, the outer mounting slot 111 layout avoids the main body of the glasses 110 from obstructing the lens of the camera unit 123, ensuring that the lens can directly face the external environment, reducing field of vision obstruction during shooting, and improving the integrity and accuracy of image acquisition. On the other hand, the positional coordination between the camera unit 123 and the mounting slot 111 allows it to stably capture the scene in front of it based on the wearing posture of the glasses 110 when the earphone 121 is installed in the mounting slot 111, without the need for additional adjustment of the device angle. When the earphone 121 is removed from the mounting slot 111, the camera unit 123 is detached from the glasses 110 along with the outer shell 122, and can freely change the shooting direction as needed to adapt to shooting requirements of different distances and angles, further enhancing the practicality and adaptability of the device in image acquisition function.

[0052] For example, in outdoor adventure scenarios, when the user wears glasses 110, the camera unit 123 installed at the opening of the outer mounting slot 111 can naturally face forward to record the scenery and road conditions along the way in real time. At the same time, the earphone 121 plays ambient sounds or navigation prompts to ensure travel safety. If a specific target is found that needs to be photographed in close-up, the user can remove the earphone 121 with camera unit 123 from the mounting slot 111, hold it and adjust the lens angle to complete the close-up shooting. During the shooting process, the user can also hear the shooting status prompts (such as the focus completion sound) through the earphone 121. The whole process does not require carrying an additional camera. The user can realize environmental perception, audio interaction and image recording simultaneously through the smart wearable device 100, which fully demonstrates the convenience and scene adaptability brought by functional integration.

[0053] In the above embodiment, the audio unit is disposed at the second end of the multimedia device 120, and the second end and the first end of the multimedia device 120 are opposite ends of the multimedia device 120. It can be understood that the position division on opposite sides can avoid mutual interference between the audio unit and the camera unit 123 during operation. The sound-emitting component of the audio unit and the lens of the camera unit 123 are located at opposite ends, which can reduce the impact of sound wave vibration on the stability of image acquisition and ensure clear audio playback and stable image acquisition. It can be understood that the audio unit is located at the bottom of the mounting slot 111 at this time. This design allows the earphone 121 to fit the structure of the mounting slot 111 better when it is installed in the mounting slot 111. This not only ensures the stability of the charging contact, but also allows for more direct and efficient sound transmission in close-range sound transmission scenarios by utilizing the positional relationship between the mounting slot 111 and the ear.

[0054] For example, in a teaching scenario, when a teacher wears the smart wearable device 100, the camera unit 123 installed on one side can face the students or the blackboard area to stably record the teaching process, while the audio unit located on the other side at the bottom of the mounting slot 111 can clearly play teaching prompts or students' questions. If temporary voice interaction with students is required, the teacher does not need to adjust the overall position of the device; the audio unit can be triggered to pick up or play sound simply through the interactive function of the glasses 110, while the camera unit 123 can still maintain stable shooting of the teaching scene. When it is necessary to shoot the details of teaching props at close range, after removing the multimedia device 120, because the audio unit and camera unit 123 are located on opposite sides, hand-held shooting can avoid the hand from blocking the lens. At the same time, the audio unit on the other side can still provide real-time feedback on the shooting status. Throughout the process, the functional layout of the device not only ensures the stability of audio-visual synchronization but also improves the convenience of operation, fully meeting the multifaceted needs of recording, interaction, and audio transmission in teaching scenarios.

[0055] The above embodiments may further include a charging case 130, which has a charging slot 131 for accommodating and charging the earphones 121. The charging case 130 can provide the earphones 121 with an independent source of power, avoiding the battery life limitations that may occur when relying solely on the charging port of the glasses 110 (such as the glasses 110 being unable to charge the earphones 121 when its own battery is low). At the same time, the closed structure of the charging case 130 can provide additional physical protection for the earphones 121, reducing damage from bumps and knocks during carrying. The separate charging slot 131 design also allows the earphones 121 to be neatly stored when removed from the glasses 110, enhancing the adaptability of the device in different usage scenarios. For example, in business travel scenarios, when users are away from home, they can store the earphone 121 in the mounting slot 111 of the glasses 110 and use the glasses 110 to temporarily charge it. After arriving at their destination, if they need to use the earphone 121 for a long time for video conferencing, they can remove the earphone 121 from the glasses 110 and put it into the charging slot 131 of the charging case 130, which will continuously power it and ensure that it has sufficient power during the meeting. When it is necessary to record the key points of the meeting, after removing the earphone 121, the camera unit 123 on the outer shell 122 can be pointed at the meeting materials to take pictures, while the earphone 121 on the other side can clearly play the meeting speech. The glasses 110 displays the meeting agenda at the same time. In this process, the charging case 130 serves as a backup power station for the earphone 121 and also plays the role of independent storage. It complements the functions of the glasses 110 and the earphone 121, and together they meet the multi-dimensional needs of mobile office, information recording, and audio interaction during business travel, effectively solving the problems of limited battery life and cumbersome storage of independent devices.

[0056] In the above embodiments, an image display unit may also be included. The image display unit is integrated into the lens 114 of the glasses 110 and is communicatively connected to the camera unit 123. The image display unit is used to display the image data captured by the camera unit 123. By integrating the image display unit into the lens 114 of the glasses 110 and communicating with the camera unit 123 to display the image data it captures, seamless integration of image acquisition and real-time display can be achieved. This allows users to intuitively view the content captured by the camera unit 123 without relying on external devices, significantly improving the immediacy of operation and interaction efficiency. The integrated design of the image display unit and the lens 114 preserves the wearing comfort of the glasses 110 and naturally integrates the display function into the user's field of vision, avoiding the burden of carrying an additional display screen. The communication connection with the camera unit 123 allows users to preview the image and adjust the angle in real time during shooting, ensuring the accuracy of image acquisition. It also allows for quick review of the captured content, enhancing the practicality of the device in image processing scenarios.

[0057] For example, in the context of cultural relic restoration, when restorers wear the smart wearable device 100, they can take close-up photos of the cultural relic details through the camera unit 123 on the outer shell 122. At this time, the image display unit integrated into the lens 114 will simultaneously present a high-definition magnified detailed image, making it convenient for restorers to observe subtle features such as patterns and cracks. If it is necessary to compare the state before and after restoration, the glasses 110 can be operated to retrieve historical images and display them in the display unit in a split-screen format with the real-time image. The audio unit on the other side can also play voice prompts for the restoration steps. When it is necessary to take a break, the earphones 121 can be placed back into the mounting slot 111 of the glasses 110 or the charging case 130 for storage and charging. Throughout the process, the collaboration between the image display unit and the camera unit 123 makes the restoration operation more precise and efficient, and the cooperation with the audio unit and charging structure meets the multi-functional needs in complex scenarios.

[0058] In the above embodiments, the multimedia device 120 may include at least two camera units 123, including a first camera unit 123 and a second camera unit 123. The first camera unit 123 is disposed at the first end of the multimedia device 120, and the second camera unit 123 is disposed on the side of the multimedia device 120. When the multimedia device 120 is removed, the desired image can be captured more comprehensively through the first camera unit 123 and the second camera unit 123 at the same time.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A smart wearable device, characterized in that, The device includes eyeglasses and at least one multimedia device. The eyeglasses have at least one mounting slot on their frame. The multimedia device includes headphones and is detachably mounted in the mounting slot, with a first end of the multimedia device protruding from the mounting slot. At least one of the multimedia devices includes a camera unit disposed at a first end of the multimedia device.

2. The smart wearable device according to claim 1, characterized in that, The mounting slot has a charging interface, and the glasses are smart glasses configured to charge the earphones via the charging interface.

3. The smart wearable device according to claim 2, characterized in that, The earphone is a wireless earphone, and it can be detachably installed in the mounting slot by means of snap-fit ​​or magnetic attraction.

4. The smart wearable device according to claim 3, characterized in that, The mounting slot is located on the temple or frame of the eyeglasses.

5. The smart wearable device according to claim 4, characterized in that, The multimedia device also includes a housing, in which the earphones and the camera unit are both disposed. The earphones include a circuit board, a battery, and an audio unit, and the camera unit, the battery, and the audio unit are all electrically connected to the circuit board.

6. The smart wearable device according to claim 5, characterized in that, The mounting slot is located on the side of the lens ring away from the wearer's face, and the camera unit is located at the opening of the mounting slot.

7. The smart wearable device according to claim 6, characterized in that, The audio unit is disposed at the second end of the multimedia device, and the second end and the first end of the multimedia device are opposite ends of the multimedia device.

8. The smart wearable device according to any one of claims 1-7, characterized in that, It also includes a charging case having a charging slot for accommodating and charging the earphones.

9. The smart wearable device according to any one of claims 1-7, characterized in that, It also includes an image display unit, which is integrated into the lens of the glasses. The image display unit is communicatively connected to the camera unit and is used to display image data acquired by the camera unit.

10. The smart wearable device according to any one of claims 1-7, characterized in that, The multimedia device includes at least two camera units, including a first camera unit and a second camera unit. The first camera unit is disposed at a first end of the multimedia device, and the second camera unit is disposed on the side of the multimedia device.

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