An electromagnetic handwriting board capable of connecting 4G network and state display
Patent Information
- Application Number
- CN202522425714.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-16
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-11-16
AI Technical Summary
针对现有技术的不足,本实用新型提供了一种可连接4G网络和状态显示的电磁手写板,具有可进行数据远程传输、在线交互,适用于远程教学手写内容实时共享、在线办公手写批注即时发送的优点,进而解决了仅能实现本地手写内容的存储或在有限的本地设备间传输,无法满足远程教学中师生手写内容的实时共享、在线办公中团队成员手写批注的即时交互的需求的问题
通过手写屏的4G网络模块和天线板,实现手写板与4G网络的稳定连接,可进行数据远程传输、在线交互,适用于远程教学手写内容实时共享、在线办公手写批注即时发送等场景的优点。
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Figure CN224922252U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electromagnetic handwriting device technology, and more specifically, to an improvement of electromagnetic handwriting tablets. Background Technology
[0002] In modern education, office work, and digital interaction scenarios, electromagnetic writing tablets, as an important input device, have been widely used due to their near-realistic writing experience. However, traditional electromagnetic writing tablets generally have functional limitations: they lack network connectivity, enabling only local storage of handwritten content or limited transfer between local devices, failing to meet the needs of real-time sharing of handwritten content between teachers and students in remote teaching, or the instant interaction of handwritten annotations by team members in online office work. Utility Model Content
[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides an electromagnetic handwriting tablet that can connect to a 4G network and display status. It features remote data transmission and online interaction, making it suitable for real-time sharing of handwritten content in remote teaching and instant sending of handwritten annotations in online office work. This solves the problem that it can only store handwritten content locally or transmit it between limited local devices, failing to meet the needs of real-time sharing of handwritten content between teachers and students in remote teaching and instant interaction of handwritten annotations by team members in online office work.
[0004] (II) Technical Solution To achieve the aforementioned advantages of remote data transmission, online interaction, real-time sharing of handwritten content in remote teaching, and instant sending of handwritten annotations in online office work, the specific technical solution adopted by this utility model is as follows: It includes a shell assembly, a stylus, a display screen, a handwriting screen, a clip, and operation keys. The stylus is stored and connected to the side of the shell assembly. The display screen is located in the top area of the shell assembly. The handwriting screen is embedded in the center of the front of the shell assembly. The clip is connected to the side of the shell assembly. The operation keys are located next to the display screen and arranged adjacent to the display screen in the top area of the shell assembly. The handwriting screen includes a control board, an antenna board, an alloy sheet, and a 4G network module. The control board is located at the bottom of the handwriting screen. The antenna board is electrically connected to the control board and cooperates with the 4G network module. The alloy sheet is located above the control board.
[0005] Furthermore, the housing assembly includes a front shell, a rear shell, and a battery panel, with the front shell and the rear shell fastened together by screws or snaps. The battery panel is located in the middle of the rear shell, and the bottom of the rear shell is provided with feet.
[0006] Furthermore, the stylus is an electromagnetic stylus, which is electromagnetically connected to the alloy sheet.
[0007] Furthermore, the display screen includes an LCD screen and several status indicator lights for displaying network connection status, battery status, and operating mode information. The status indicator lights use different colors to distinguish different status prompts, with green indicating normal network connection and red indicating abnormal network connection.
[0008] Furthermore, the plate clamp is provided with a spring and a bent shaft, with the spring sleeved on the bent shaft and connected to the housing assembly through the bent shaft.
[0009] Furthermore, the operation keys include a power button and an array of buttons.
[0010] (III) Beneficial Effects Compared with the prior art, this utility model provides an electromagnetic handwriting tablet that can connect to a 4G network and display status, and has the following beneficial effects: By using the 4G network module and antenna board of the handwriting screen, a stable connection between the handwriting tablet and the 4G network can be achieved, enabling remote data transmission and online interaction. This is advantageous for scenarios such as real-time sharing of handwritten content in remote teaching and instant sending of handwritten annotations in online office settings. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is the front view of this utility model; Figure 3 This is a rear view of the present invention; Figure 4 This is an exploded view of the present invention.
[0013] In the diagram: outer casing assembly 1, front shell 11, rear shell 12, foot pads 121, battery board 13, stylus 2, display screen 3, handwriting screen 4, clamp 5, spring 51, bending shaft 52, operation key 6, control board 41, antenna board 42, alloy sheet 43, 4G network module 44. Detailed Implementation
[0014] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0015] According to an embodiment of the present invention, an electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status is provided.
[0016] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4 As shown, an electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to an embodiment of this utility model includes a housing assembly 1, a stylus 2, a display screen 3, a handwriting screen 4, a clip 5, and operation keys 6. The stylus 2 is housed and connected to the side of the housing assembly 1 to realize handwriting input. The display screen 3 is located in the top area of the housing assembly 1, the handwriting screen 4 is embedded in the center of the front of the housing assembly 1, the clip 5 is connected to the side of the housing assembly 1, and the operation keys 6 are located next to the display screen 3 in the top area of the housing assembly 1. The handwriting screen 4 includes a control board 41, an antenna board 42, an alloy sheet 43, and a 4G network module 44. The control board 41 is located at the bottom of the handwriting screen 4, processing electromagnetic induction signals and controlling the operation of the handwriting screen; the antenna board 42 is electrically connected to the control board 41, and works with the 4G network module to achieve efficient reception and transmission of network signals; and works with the 4G network module. The alloy sheet 43 is located above the control board 41, serving as an electromagnetic induction carrier to sense the writing operation of the stylus 2.
[0017] In one embodiment, the housing assembly 1 includes a front shell 11, a rear shell 12, and a battery panel 13. The front shell 11 and the rear shell 12 are fastened by screws or snaps to ensure structural stability. The battery panel 13 is located in the middle of the rear shell 12 to supply power to the device. The foot pads 121 at the bottom of the rear shell 12 can enhance the stability of the device when it is placed.
[0018] In one embodiment, the stylus 2 is an electromagnetic stylus, and the stylus 2 is electromagnetically connected to the alloy sheet 43.
[0019] In one embodiment, the display screen 3 includes an LCD screen and several status indicator lights for displaying information such as network connection status, battery status, and working mode; the status indicator lights use different colors to distinguish the status, such as green indicating normal network connection and red indicating abnormal network connection.
[0020] In one embodiment, the clamp 5 is provided with a spring 51 and a bent shaft 52. The spring 51 is sleeved on the bent shaft 52 and connected to the housing assembly 1 through the bent shaft 52. This can be used to clamp and fix a writing tablet or related objects, improving practicality.
[0021] In one embodiment, the operation key 6 includes a power button and an array of keys. It is used to perform operations such as function switching and parameter adjustment.
[0022] Working principle: Press the power button in operation key 6 to start the device. The 4G network module 44 starts working, and the antenna board 42 works together to achieve 4G network connection. The status indicator light on the display screen 3 and the LCD screen will display information such as network connection status and battery level. When writing with the stylus 2 on the alloy sheet 43 area of the handwriting screen 4, the control board 41 processes the electromagnetic induction signal to realize handwriting input. At the same time, the handwritten content can be remotely transmitted or interacted online via the 4G network. The clip 5 can be used to hold documents or fix the handwriting tablet, improving the versatility of usage scenarios.
[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0024] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status, characterized in that: It includes a housing assembly (1), a stylus (2), a display screen (3), a handwriting screen (4), a clip (5), and operation keys (6). The stylus (2) is stored and connected to the side of the housing assembly (1). The display screen (3) is located in the top area of the housing assembly (1). The handwriting screen (4) is embedded in the center of the front of the housing assembly (1). The clip (5) is connected to the side of the housing assembly (1). The operation keys (6) are located next to the display screen (3) and are arranged adjacent to the display screen (3) in the top area of the housing assembly (1). The handwriting screen (4) includes a control board (41), an antenna board (42), an alloy sheet (43), and a 4G network module (44). The control board (41) is located at the bottom of the handwriting screen (4). The antenna board (42) is electrically connected to the control board (41) and cooperates with the 4G network module. The alloy sheet (43) is located above the control board (41).
2. The electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to claim 1, characterized in that: The outer casing assembly (1) includes a front casing (11), a rear casing (12) and a battery panel (13), and the front casing (11) and the rear casing (12) are fastened together by screws or snaps. The battery panel (13) is located in the middle of the rear casing (12), and a foot pad (121) is provided at the bottom of the rear casing (12).
3. The electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to claim 1, characterized in that: The stylus (2) is an electromagnetic stylus, and the stylus (2) is electromagnetically connected to the alloy sheet (43).
4. The electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to claim 1, characterized in that: The display screen (3) includes an LCD screen and several status indicator lights, which are used to display network connection status, power status and working mode information. The status indicator lights use different colors to distinguish different status prompts. Green indicates that the network connection is normal and red indicates that the network connection is abnormal.
5. The electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to claim 1, characterized in that: The plate clamp (5) is provided with a spring (51) and a bent shaft (52). The spring (51) is sleeved on the bent shaft (52) and connected to the outer casing assembly (1) through the bent shaft (52).
6. The electromagnetic handwriting tablet capable of connecting to a 4G network and displaying status according to claim 1, characterized in that: The operation keys (6) include a power key and an array of keys.
