Glass writing board device with intelligent camera
By integrating a smart camera component and a rotating connection structure into the glass writing board, combined with polarized glass and ambient lighting strips, the problems of unclear imaging and glare in remote communication of traditional glass writing boards are solved, improving the clarity and interactive experience of remote communication.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN KERUN VISUAL TECH CO LTD
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-17
AI Technical Summary
Traditional glass writing boards suffer from unclear imaging, reflection, and glare issues in remote communication scenarios. The connection between the camera and the glass component is also inflexible, resulting in poor distance perception during remote communication.
It employs intelligent camera components and a rotating connection structure, combined with polarized glass and ambient lighting strips, to optimize imaging effects and enhance the remote communication experience.
It achieves clear imaging, reduces the impact of glass reflections and glare, and enhances the sense of intimacy and efficiency of remote communication.
Smart Images

Figure CN224137609U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of glass writing board devices, specifically relating to a glass writing board device with an intelligent camera. Background Technology
[0002] In today's era of increasingly frequent digital information interaction, both remote teaching in education and online meetings in the business world place higher demands on information presentation and communication methods. As an important tool for information display and recording, the application scenarios of glass writing boards are constantly expanding. However, when traditional glass writing boards are integrated into the needs of modern remote interaction, a series of technical problems that urgently need to be solved have been exposed.
[0003] In remote communication scenarios, such as remote teaching, teachers hope to display written content on a glass writing board and interact with students in real time. In corporate remote meetings, participants also need to clearly present written information. However, current technologies generally face problems such as unclear imaging, reflections, and glare, as exemplified by existing glass writing boards (publication number CN111862703B). On the one hand, when ordinary cameras capture images of glass writing boards, the characteristics of the glass material easily cause reflections and glare. Light reflected off the glass surface interferes with the camera's ability to capture the written content, resulting in blurred handwriting and difficulty in recognizing key information. For example, in classrooms or conference rooms with complex lighting, strong light entering from windows or other directions, after being reflected by the glass writing board, can cause the camera's image to be almost entirely filled with light spots, severely distorting the written content. On the other hand, the limitations of the camera's own optical performance, such as limited focal length adjustment range and insufficient sensitivity, also affect image quality. When the writing board area is large, the camera cannot clearly capture the entire content from a suitable distance, and in low-light environments, the captured image has a lot of noise and lost details.
[0004] Meanwhile, the sense of distance in remote communication is also a major problem. Traditional glass writing boards lack effective means to bridge the gap between communicators. In remote teaching, students find it difficult to feel the intimacy of a teacher giving a lesson; in corporate remote meetings, participants have poor interaction, feeling as if they are in different spaces, making it impossible to create an efficient communication atmosphere. Existing attempts, such as simply setting up a regular camera next to the glass writing board, can only achieve basic image transmission and cannot optimize the communication experience from a functional design perspective, making it difficult for both parties to feel a close exchange in a remote setting. Utility Model Content
[0005] The purpose of this invention is to provide a glass writing board device with an intelligent camera, which solves the technical problems of unclear imaging, reflection and glare on the glass plate, inflexible assembly structure between the camera and the glass components, and strong sense of distance in remote communication.
[0006] To address the above technical problems, this utility model discloses a glass writing tablet device with an intelligent camera, including a handwriting glass assembly, a fixed base, a camera assembly, and a connecting rod. The handwriting glass assembly includes a first light strip and a second light strip, a handwriting glass, and a glass frame. The first light strip is disposed at the side end of the handwriting glass. The glass frame includes a front frame and a pressure plate. The handwriting glass is placed in the glass frame, and the pressure plate is fixed to the front frame by fixing screws, thereby fixing the handwriting glass in the glass frame. The base has fixing holes and fixing bosses, and the bottom of the glass frame is provided with a fitting for the fixing holes. The device includes a fixed protrusion that is inserted into a fixed hole to support the handwriting glass assembly upright. The camera assembly includes polarized glass, a polarized base, and a camera. The polarized glass is fixed on the polarized base, which is coaxially sleeved on the camera and rotates around an axis for adjustment. One end of the camera assembly is fixedly connected to a rotating boss located at one end of a connecting rod. The other end of the connecting rod is sleeved on the fixed boss through a rotating hole. The connecting rod rotates relative to the fixed boss around a rotation center axis. This glass writing tablet device with a smart camera is used in conjunction with output software installed on a display device.
[0007] Preferably, the light source of the first light strip is positioned directly opposite the upper and lower ends of the handwriting glass, and the light from the first light strip propagates within the handwriting glass.
[0008] Preferably, the light source of the second light strip faces the user, and the light from the second light strip illuminates the user for ambient lighting.
[0009] Preferably, a lampshade is attached to the second light strip. The lampshade is made of a semi-transparent or transparent material and adopts a grid structure, a louver structure, or a frosted surface to supplement ambient light while preventing glare.
[0010] Preferably, the camera assembly is provided with a USB plug or a Type-C plug for connecting the camera motherboard of the camera assembly to the input interface of the display device.
[0011] Preferably, the handwriting glass assembly includes a PCB board and function buttons, and the handwriting glass assembly is powered by a power adapter plugged into the power interface on the side of the front frame.
[0012] Preferably, the system also includes a baffle plate, which is installed at the bottom of the glass frame by means of fasteners or slots and snap-fits, and the plane of the baffle plate is perpendicular to the glass frame.
[0013] Preferably, in use, the fixing protrusion is inserted into the fixing hole, the handwriting glass assembly is fixedly erected in front of the display device screen, the height difference between the bottom of the glass frame and the bottom of the fixing base is greater than the thickness of the display device body, and the two feet of the fixing base are supported on both sides of the display device body.
[0014] Preferably, the camera assembly includes a support arm, the camera is fixed to one end of the support arm, and the other end of the support arm includes a fixing post, which is inserted into the mounting hole of the rotating boss for fixation. The rotating boss rotates about a central axis relative to the wide side connecting rod surface of the connecting rod.
[0015] Preferably, the fixed boss includes a segmented protrusion with a buckle, the buckle engaging with a limiting groove on the wall of the rotating hole, so that the connecting rod is fixedly connected to the fixed boss of the fixed base and can be relatively limited to rotate.
[0016] Compared with the prior art, the beneficial effects obtained by this utility model are:
[0017] This utility model discloses a glass writing tablet device with an intelligent camera. A fixed base is used to fix the handwriting glass component and the camera component. A connecting rod with rotatable ends connects the camera component to the fixed base, making the connection between the camera component and the handwriting glass component flexible, easy to store, and space-saving. A rotatable polarizing base is used on the camera component to mount polarizing glass, solving the technical problems of unclear imaging and glass reflection and glare. Light strips are placed at the top and bottom of the glass to direct light into the glass, and light strips on the left and right sides of the front frame of the glass component provide ambient lighting, solving the technical problems of poor imaging light, poor glass handwriting display, and poor user imaging. It has the advantages of being portable, easy to store and use, providing clear imaging, eliminating glass reflection and glare, and ensuring a good user imaging experience. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the glass writing board device with an intelligent camera according to this utility model.
[0019] Figure 2 This is an exploded view of the camera component of the glass writing board device with an intelligent camera according to this utility model.
[0020] Figure 3 This is an exploded view of the handwriting glass component of the glass writing board device with an intelligent camera according to this utility model.
[0021] Figure 4 This is a diagram showing the usage status of the glass writing board device with an intelligent camera according to this utility model.
[0022] Figure 5 This is a diagram showing the stored state of the glass writing board device with an intelligent camera according to this utility model.
[0023] Reference numerals: 1-Handwriting glass assembly; 11-First light strip; 12-Second light strip; 121-Lampshade; 13-Handwriting glass; 14-Glass frame; 141-Front frame; 142-Pressure plate; 143-Fixing protrusion; 15-PCB board; 16-Function button; 2-Fixing base; 21-Fixing hole; 22-Fixing boss; 221-Snap-on; 3-Camera assembly; 31-Polarized glass; 32-Polarized base; 33-Camera; 34-Camera motherboard; 35-Arm; 351-Fixing column; 4-Connecting rod; 41-Rotating boss; 411-Mounting hole; 42-Rotating hole; 5-Baffle; 6-Display device. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. However, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0025] Please see the appendix Figures 1 to 5 A glass writing board device with a smart camera includes a handwriting glass assembly 1, a fixed base 2, a camera assembly 3, and a connecting rod 4. The base 2 has a fixing hole 21 and a fixing boss 22. The fixed base 2 includes a left fixed base and a right fixed base. The left fixed base is provided with the fixing hole 21 and the fixing boss 22. The left fixed base has two sloping surfaces and two platform surfaces with a height difference. The fixing hole 21 and the fixing boss 22 are respectively provided on the platform surfaces. The height of the fixing hole 21 is higher than that of the fixing boss 22.
[0026] The fixing hole 21 engages with the fixing protrusion 143 on the handwriting glass assembly 1 to fix and install the handwriting glass assembly 1. The fixing boss 22 is used to install the camera assembly 3 and allows the camera assembly 3 to rotate around the central axis of the fixing boss 22. The fixing boss 22 includes a segmented protrusion with a buckle 221. The buckle 221 engages with the limiting groove on the wall of the rotating hole 42, so that the connecting rod 4 is fixedly connected to the fixing boss 22 of the fixing base 2 and can be relatively limited to rotate. The segmented protrusion includes protrusions that are isolated from each other. That is, the fixing boss 22 consists of multiple protrusions that are isolated from each other and are fixedly installed on a common plane and are slightly flared. This ensures that the rotation hole 42 does not affect the rotation after engaging with the fixing boss 22, and the connecting rod 4 remains stable after rotating to a predetermined angle due to the slightly flared support force.
[0027] The handwriting glass assembly 1 includes a first light strip 11 and a second light strip 12, a handwriting glass 13, and a glass frame 14. The first light strip 11 is disposed at the upper and lower ends of the handwriting glass 13, with the LED light source of the first light strip 11 facing the upper and lower ends of the handwriting glass 13. The light from the first light strip 11 propagates within the handwriting glass 13, and the writing on the glass with a fluorescent pen shines brightly under the light. When captured by a camera and transmitted to a laptop computer, it is then transmitted to a remote viewer via image output software, making it very conspicuous. The left and right sides of the glass frame 14 are provided with mounting slots for the second light strip 12, with the LED light source of the second light strip 12 facing the user. The light from the second light strip 12 illuminates the user for ambient lighting. A lampshade 121 is attached to the second light strip 12. The lampshade 121 is made of a semi-transparent or transparent material and can be made of a grille structure, a louver structure, or a frosted surface material. It is used to supplement ambient light while preventing glare from affecting the user's viewing of the display device 6 screen. The glass frame 14 includes a front frame 141 and a pressure plate 142. The handwriting glass 13 is placed in the glass frame 14. The pressure plate 142 is fixed to the front frame 141 by fixing screws, thereby fixing the handwriting glass 13 in the glass frame 14. The bottom of the glass frame 14 is provided with a fixing protrusion 143 that mates with the fixing hole 21. The fixing protrusion 143 is inserted into the fixing hole 21 to support the handwriting glass assembly 1 upright. The height difference between the bottom of the glass frame 14 and the bottom of the fixing base 2 is greater than the thickness of the main body of the display device 6. The two feet of the fixing base 2 support the main body of the display device 6 on both sides. The handwriting glass assembly 1 also includes a PCB board 15 and function buttons 16. The handwriting glass assembly 1 is powered by a power adapter plugged into the power interface on the side of the front frame 141. It also includes a baffle 5, which is installed at the bottom of the glass frame 14 by means of fasteners or slots and buckles. The plane of the baffle 5 is perpendicular to the glass frame 14 and is used to temporarily store items such as highlighters.
[0028] The camera assembly 3 includes a polarizing glass 31, a polarizing base 32, and a camera 33. The polarizing glass 31 is fixed on the polarizing base 32. The polarizing base 32 is coaxially sleeved on the camera 33 and can be adjusted by rotation around an axis. The camera assembly 3 includes a support arm 35. The camera 33 obtains imaging light through a through hole at one end of the support arm 35. The outer edge of the through hole at one end of the support arm 35 is provided with a boss for mounting the polarizing base 32. The mating surface between the boss and the polarizing base 32 is provided with an annular groove to facilitate the rotation angle of the polarizing base 32 relative to the camera 33. The image is clear. The other end of the support arm 35 includes a fixing post 351, which is inserted into the mounting hole 411 of the rotating boss 41 for fixation. The rotating boss 41 rotates about its central axis relative to the wide side of the connecting rod 4. One end of the camera assembly 3 is fixedly connected to the rotating boss 41 at one end of the connecting rod 4. The other end of the connecting rod 4 is fitted onto the fixing boss 22 through a rotating hole 42. The connecting rod 4 rotates about its central axis relative to the fixing boss 22. This glass writing board device with a smart camera is used in conjunction with the output software installed on the display device 6. The camera assembly 3 is equipped with a USB plug or a Type-C plug for connecting the camera motherboard 34 of the camera assembly 3 to the input interface of the display device.
[0029] In use, the fixing protrusion 143 is inserted into the fixing hole 21, and the handwriting glass assembly 1 is fixedly erected in front of the display device 6 screen. The camera is turned on to face the handwriting glass, and the TYPE-C cable on the camera assembly 3 is plugged into the TYPE-C input interface of the laptop. With the help of image output software, the handwriting on the glass can be photographed, and the user can also be photographed. The power adapter is plugged into the power interface on the side of the front frame of the glass. Through the combined use of the first light strip 11, the second light strip 12 and the camera with the polarizing glass 31, not only is the content on the handwriting glass 13 on the writing paper clear and visible, but the imaging effect for the user is also good, shortening the distance between the remote participant and the user. At the same time, it reduces the glare of the second light strip 12 for ambient lighting and enhances the user's comfort.
[0030] This invention discloses a glass writing board device that is plug-and-play with any user's laptop, requiring no additional drivers, is compatible with multiple platforms, and can be used without an external power source. When used with a laptop and communication software, users can see their image and notes written on the glass in real time during online communication or video conferences, reducing the sense of distance during presentations and communication, making it feel more like face-to-face interaction, increasing participation and presence, and improving meeting efficiency. When used for online teaching presentations, students feel as if the teacher is right in front of them, teaching and writing lesson plans, which can improve students' concentration and learning efficiency.
[0031] Laptop screen reflections on glass can be captured by a camera. A polarizing glass plate with an adjustable rotation angle is installed in front of the camera. By adjusting the rotation angle, the reflections from the laptop screen on the glass can be filtered out, resulting in a cleaner camera image and improved image quality.
[0032] When the product is not in use, the shooting rod assembly and connecting rod can be rotated and retracted, saving desktop space and making it easy to store.
[0033] The above examples are merely specific embodiments of this utility model. Obviously, this utility model is not limited to the above embodiments, and many similar modifications are possible. All variations that can be directly derived or conceived by those skilled in the art from the disclosure of this utility model should be considered within the scope of protection of this utility model.
Claims
1. A glass writing board device with an intelligent camera, characterized in that, The system includes a handwriting glass assembly (1), a fixed base (2), a camera assembly (3), and a connecting rod (4). The handwriting glass assembly (1) includes a first light strip (11) and a second light strip (12), a handwriting glass (13), and a glass frame (14). The first light strip (11) is disposed on the side end of the handwriting glass (13). The glass frame (14) includes a front frame (141) and a pressure plate (142). The handwriting glass (13) is placed in the glass frame (14), and the pressure plate (142) is fixed to the front frame (141) by fixing screws, thereby fixing the handwriting glass (13) in the glass frame (14). The base (2) has a fixing hole (21) and a fixing boss (22). The bottom of the glass frame (14) is provided with a fixing protrusion that cooperates with the fixing hole (21). 143), the fixed protrusion (143) is inserted into the fixed hole (21) to support the handwriting glass assembly (1) to stand upright; the camera assembly (3) includes polarized glass (31), polarized base (32) and camera (33), the polarized glass (31) is fixed on the polarized base (32), the polarized base (32) is coaxially sleeved on the camera (33) and rotated around the axis for adjustment, one end of the camera assembly (3) is fixedly connected to the rotating boss (41) set at one end of the connecting rod (4), the other end of the connecting rod (4) is sleeved on the fixed boss (22) through the rotating hole (42), the connecting rod (4) rotates around the rotation center axis relative to the fixed boss (22), and the glass writing board device with intelligent camera is used in conjunction with the output software installed on the display device (6).
2. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, The light source of the first light strip (11) is directly opposite the upper and lower ends of the handwriting glass (13), and the light from the first light strip (11) propagates in the handwriting glass (13).
3. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, The light source of the second light strip (12) faces the user, and the light from the second light strip (12) illuminates the user for ambient lighting.
4. The smart camera-equipped glass whiteboard apparatus of claim 3, wherein, A lampshade (121) is attached to the second light strip (12). The lampshade (121) is made of semi-transparent or transparent material. The lampshade (121) adopts a grid structure, a louver structure, or a frosted surface to supplement ambient light while preventing glare.
5. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, The camera assembly (3) is equipped with a USB plug or a Type-C plug for connecting the camera motherboard (34) of the camera assembly (3) to the input interface of the display device.
6. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, The handwriting glass assembly (1) includes a PCB board (15) and function buttons (16). The handwriting glass assembly (1) is powered by a power adapter inserted into the power interface on the side of the front frame (141).
7. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, It also includes a baffle (5), which is installed at the bottom of the glass frame (14) by means of fasteners or slots and buckles, and the plane of the baffle (5) is perpendicular to the glass frame (14).
8. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, In use, the fixed protrusion (143) is inserted into the fixed hole (21), the handwriting glass assembly (1) is fixedly erected in front of the screen of the display device (6), the height difference between the bottom of the glass frame (14) and the bottom of the fixed base (2) is greater than the thickness of the main body of the display device (6), and the two feet of the fixed base (2) are supported on both sides of the main body of the display device (6).
9. The smart camera-equipped glass whiteboard apparatus of claim 1, wherein, The camera assembly (3) includes a support arm (35), the camera (33) is fixed at one end of the support arm (35), and the other end of the support arm (35) includes a fixing post (351). The fixing post (351) is inserted into the mounting hole (411) of the rotating boss (41) and fixed. The rotating boss (41) rotates about the central axis relative to the wide side connecting rod surface of the connecting rod (4).
10. The glass writing board device with an intelligent camera according to claim 1, characterized in that, The fixed boss (22) includes a segmented protrusion with a buckle (221). The buckle (221) cooperates with the limiting groove on the hole wall of the rotating hole (42), so that the connecting rod (4) is fixedly connected to the fixed boss (22) of the fixed base (2) and can be relatively limited and rotated.
Citation Information
Patent Citations
Glass handwriting board
CN111862703B