Erasable writing pad and portable notepad

By integrating the information acquisition unit in the elastic support plate of the erasable writing board, the problems of excessive volume and insufficient writing softness are solved, and higher portability and better user experience are achieved.

CN222742446UActive Publication Date: 2025-04-11SHENZHEN XINHAISI ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420777164.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-04-11
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

After the existing erasable writing boards are integrated with the information collection unit, the volume is too large, which affects the portability and insufficient writing softness, which affects the user experience.

Method used

An erasable writing board is designed including a panel portion having an erasable writing surface and a writing support portion having elastic and information acquisition functions. The writing support part consists of an elastic support plate and an information acquisition unit. The information acquisition unit includes an acoustic and image sensor and is accommodated in the accommodating groove of the elastic support plate.

Benefits of technology

By integrating the information acquisition unit into the storage slot of the elastic support plate, the volume of the writing board is effectively reduced, the writing softness is improved, and the portability is enhanced, while ensuring the integrity of the information acquisition function.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222742446U_ABST
    Figure CN222742446U_ABST
Patent Text Reader

Abstract

The embodiment of the present application discloses an erasable writing board and a portable notepad, which can solve the problem of how to reduce the volume of a writing board device with an information collection unit and improve the softness of writing. The erasable writing board includes: a panel portion with an erasable writing surface; and a writing support portion with elasticity and information collection functions, wherein the writing support portion includes an elastic support plate with a receiving groove and an information collection unit with an audio-visual sensor that can collect at least one of sound and image information, and the information collection unit is accommodated in the receiving groove; wherein the writing support portion is connected to the panel portion.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of writing boards, and more specifically, to an erasable writing board and a notepad. Background Art

[0002] A writing tablet is a device having at least one writing surface for writing.

[0003] In writing boards, erasable writing boards are writing board devices that can be written repeatedly. Specifically, the writing traces on the writing surface of the erasable writing board can be repeatedly erased to achieve repeated writing, and therefore, it has a very wide range of applications at present, such as chalk boards and whiteboards, etc.

[0004] From a structural point of view, erasable writing boards generally include a panel and a lining board that is close to the panel, wherein the panel is used to provide a writing surface, and the lining board is used to support the panel to improve the support of the panel. For details, please refer to the whiteboard recorded in GB28231-2011 "Safety and Hygiene Requirements for Writing Boards". However, some lining boards are usually made of hard materials (such as iron plates), which makes the writing surface less flexible and not conducive to writing.

[0005] From a functional point of view, the simple writing function is no longer sufficient, and erasable writing boards are increasingly developing in a multifunctional direction. For example, based on the development of audio and video recording technology, a multifunctional writing board device has emerged that combines an erasable writing board with recording and video recording and other functional modules. This device can record information through information collection units such as recording and video recording modules. However, this type of writing board device usually requires an additional installation structure for recording and video recording and other functional modules outside the erasable writing board, and the aforementioned functional modules are installed on the outside of the erasable writing board, which will inevitably increase the volume of the multifunctional writing board device, which is not conducive to portability.

[0006] In summary, in the field of erasable writing boards, the above problems have not been effectively solved. It should be stated that the related technologies shown in the background technology are mainly for the purpose of more clearly explaining the present application and cannot necessarily be regarded as existing technologies in China or other regions. Utility Model Content

[0007] One purpose of the embodiments of the present application is to solve the problems in the above background and provide corresponding beneficial effects.

[0008] Another purpose of the embodiments of the present application is to provide an erasable writing board and notepad to solve the following problem: how to reduce the volume of a multifunctional writing board device with an information collection unit and improve the writing softness of the multifunctional writing board device.

[0009] The embodiments of the present application achieve the above objectives through the following technical solutions.

[0010] In one aspect, an embodiment of the present application provides an erasable writing board, comprising:

[0011] a panel portion having an erasable writing surface; and

[0012] A writing support part with elasticity and information collection functions, wherein the writing support part comprises an elastic support plate with a receiving groove and an information collection unit with an audio-visual sensor capable of collecting at least one of sound and image information, and the information collection unit is accommodated in the receiving groove;

[0013] Wherein, the writing support part is connected to the panel part.

[0014] In some technical solutions, the sound and image sensor is a microphone.

[0015] In some technical solutions, the elastic support plate is a foam support plate, a rubber support plate or a cotton cloth support plate.

[0016] In some technical solutions, the writing support part also includes a storage rack having a storage slot, and the information acquisition unit is accommodated in the storage slot through the storage rack, wherein the storage rack is installed in the storage slot, and the information acquisition unit is installed in the storage slot.

[0017] In some technical solutions, the panel portion also has a mounting surface, and the writing surface and the mounting surface are respectively located on both sides of the panel portion; the mounting surface is mounted on the first side surface of the elastic support plate in a face-to-face contact manner, so that the writing support portion is connected to the panel portion.

[0018] In some technical solutions, the writing support portion covers the mounting surface.

[0019] In some technical solutions, the information acquisition unit also includes a circuit board, and the sound sensor is arranged on the circuit board to form an information processing circuit board with a sound sensor.

[0020] In some technical solutions, the information collection unit further includes a sound processor and a memory. Furthermore, the sound sensor, the sound processor and the memory are electrically connected in sequence to achieve information transmission.

[0021] In some technical solutions, the sound processor and the memory are arranged on the circuit board and combined into a part of the information processing circuit board.

[0022] In some technical solutions, the information collection unit also includes a speaker.

[0023] In some technical solutions, the speaker and the sound processor are electrically connected.

[0024] In some technical solutions, the information collection unit also includes a first button for recording.

[0025] Optionally, the first button is arranged on the circuit board, that is, the information processing circuit board also has the first button.

[0026] In some technical solutions, the information collection unit also includes a second button for playing.

[0027] Optionally, the second button is arranged on the circuit board, that is, the information processing circuit board also has the first button.

[0028] In some technical solutions, the information collection unit also includes a third button for playback.

[0029] In some technical solutions, the information collection unit further includes a fourth button for adjusting the volume. The fourth button can be used to adjust the playback volume.

[0030] In some technical solutions, the information collection unit also includes a display screen for displaying volume level, playback selection information, etc.

[0031] In some technical solutions, the information collection unit also includes an indicator light.

[0032] In some technical solutions, the indicator light is used to indicate the recording status.

[0033] In some technical solutions, the indicator light is used to indicate the charging status of the battery.

[0034] Optionally, the first color and the second color are any one of red, green, yellow and the like.

[0035] In some technical solutions, the indicator light is arranged on the circuit board of the information processing circuit board and is electrically connected to the circuit board.

[0036] In some technical solutions, the circuit board also has a charging interface for electrically connecting to an external power source.

[0037] In some technical solutions, the information acquisition unit also includes a magnetically controlled switch.

[0038] In some technical solutions, the information acquisition unit also includes a battery for powering the circuits and electrical devices in the information acquisition unit, such as powering electrical appliances such as sound sensors and speakers on the circuit board.

[0039] In some technical solutions, the battery is electrically connected to the information processing circuit board, more specifically, electrically connected to a circuit board of the information processing circuit board, to supply power to various electrical appliances on the circuit board.

[0040] In some technical solutions, the writing support portion further includes a rack, which is fixedly installed in the receiving slot, and the information acquisition unit is installed on the rack and is received in the receiving slot through the rack.

[0041] In some technical solutions, the storage rack has a storage slot, and the information collection unit is installed in the storage slot.

[0042] In some technical solutions, the storage slot has a slot opening.

[0043] In some technical solutions, a connection hole is provided on one side of the storage rack, one end of the connection hole is connected to the storage slot, and the other end is connected to the outside of the erasable writing board. The connection hole corresponds to the charging interface, and the charging interface is installed at the connection hole.

[0044] In some technical solutions, a through hole is further provided on one side of the storage rack, one end of the through hole is connected to the storage slot, and the other end is connected to the outside of the erasable writing board.

[0045] In some technical solutions, the panel portion also has a mounting surface, and the writing surface and the mounting surface are respectively located on both sides of the panel portion; the mounting surface is mounted on the first side surface of the elastic support plate in a face-to-face contact manner, so that the writing support portion is connected to the panel portion.

[0046] In some technical solutions, the first side surface covers the mounting surface.

[0047] In some technical solutions, the accommodating groove has a first notch, and the first notch is formed on the first side surface.

[0048] In some technical solutions, the elastic support plate further has a second side surface, the accommodating groove further has a second notch, the second notch is formed on the second side surface, and the first notch and the second notch are connected.

[0049] In some technical solutions, the elastic support plate further has a third side surface opposite to the first side surface, and the accommodating groove further has a third notch, the third notch is formed on the third side surface, and the third notch is connected to the second notch.

[0050] In some technical solutions, the elastic support plate is in a rectangular parallelepiped shape, and the elastic support plate further has a fourth side surface, a fifth side surface, and a sixth side surface. The first side surface, the second side surface, the third side surface, and the fourth side surface are sequentially connected end to end, and the first side surface, the fifth side surface, the third side surface, and the sixth side surface are sequentially connected end to end.

[0051] In some technical solutions, the first side surface of the elastic support plate is tightly attached to the mounting surface of the panel portion.

[0052] In some technical solutions, the slot opens toward the first notch.

[0053] In some technical solutions, the connecting hole faces the second notch.

[0054] In some technical solutions, the writing surface and the attachment surface are arranged along the thickness direction.

[0055] In some technical solutions, the distance between the writing surface and the mounting surface is the thickness of the panel portion.

[0056] In some technical solutions, the thickness of the panel portion is smaller than the length and width of the panel portion.

[0057] In some technical solutions, the thickness of the panel portion is between 0.1 mm and 2 cm. Further, the thickness of the panel portion is between 0.1 mm and 0.5 cm. A thinner thickness is conducive to reducing the volume and weight of the erasable writing board, improving portability and making it easier to carry.

[0058] In some technical solutions, the thickness of the elastic support plate is smaller than the length and width of the elastic support plate.

[0059] In some technical solutions, the thickness of the elastic support plate is between 0.1 mm and 5 cm.

[0060] In some technical solutions, the thickness of the erasable writing board is equal to the sum of the thickness of the panel portion and the thickness of the elastic support plate.

[0061] In some technical solutions, the length of the erasable writing board is between 5 cm and 30 cm, and the width is between 5 cm and 30 cm.

[0062] In another aspect, the present application also provides an erasable writing board, comprising:

[0063] a panel portion having an erasable writing surface; and

[0064] A writing support part with elasticity and sound information collection function, the writing support part includes an information collection unit and a foam support plate with a receiving groove for accommodating the information collection unit, the information collection unit includes an information collection circuit board with a sound sensor, and the information collection unit is accommodated in the receiving groove;

[0065] Wherein, the panel part is connected to the writing support part.

[0066] In another aspect, the present application embodiment further provides a portable notepad, comprising:

[0067] Cover; and

[0068] The erasable writing board described in the above technical solution;

[0069] Wherein, the erasable writing board is installed on the cover.

[0070] In some technical solutions, the notepad also includes a recording board for writing;

[0071] Wherein, the cover comprises a first cover page and a second cover page, the first cover page and the second cover page are rotatably connected, the erasable writing board is installed on the first cover page, and the recording board is installed on the second cover page.

[0072] The beneficial effects of the utility model include:

[0073] (1) In the embodiment of the present application, the elastic support plate with a receiving groove and the information collection unit are coordinated together, and the information collection unit is installed in the receiving groove of the elastic support plate to form a writing support part with elasticity and information collection functions, and the panel part is further connected to the writing support part to form the erasable writing board. Compared with the prior art, the erasable writing board can not only reduce the volume but also improve the writing softness on the basis of being more convenient for users to record information. More specifically, on the one hand, the erasable writing board with the information collection unit is very suitable for recording information in the presence of sound and / or image. For example, when using the erasable writing board provided by the embodiment of the present application in a learning classroom, students can write on the writing surface of the panel part with a marker to record information, and collect the teacher's voice and / or image through the information collection unit. In this way, at least two sets of recording materials can be obtained, which prevents or reduces the phenomenon of information omission that may be caused by recording information only by writing, and is convenient for review after class. On the other hand, the embodiment of the present application provides support for the panel part through the elastic support plate of the writing support part. The elastic support plate has a certain degree of buffering performance due to its own elasticity, so it can improve the softness of writing and make it more convenient for users to write on the writing surface. On the other hand, the elastic support plate of the writing support part has a receiving groove inside that can be used to accommodate the information collection unit, so that even if the erasable writing board 20 is installed with the information collection unit, the volume can be effectively reduced, thereby effectively overcoming the defects of the multifunctional writing board device with the information collection unit in the prior art being too large in volume and occupying too much space.

[0074] (2) When the elastic support board of the erasable writing board is a foam support board, it also has the advantage of being lightweight, which can effectively reduce the weight of the erasable writing board and improve portability.

[0075] (3) The portable notepad provided in the embodiment of the present application includes a cover and the erasable writing board; in addition to having the functions of the erasable writing board, it can also provide further protection for the erasable writing board. BRIEF DESCRIPTION OF THE DRAWINGS

[0076] Figure 1 A schematic diagram of the structure of an erasable writing board according to an embodiment of the present application;

[0077] Figure 2 for Figure 1 A schematic diagram of an exploded structure of an erasable writing board;

[0078] Figure 3 for Figure 2 A structural schematic diagram of an information collection unit of a writing support portion of an erasable writing board;

[0079] Figure 4 for Figure 2 Another structural schematic diagram of the information collection unit of the writing support portion of the erasable writing board;

[0080] Figure 5 for Figure 1 A schematic diagram of a local structure enlargement of the M region;

[0081] Figure 6 for Figure 1 A structural schematic diagram of a storage rack of a writing support portion of an erasable writing board;

[0082] Figure 7 for Figure 1 A structural schematic diagram of a panel portion of an erasable writing board;

[0083] Figure 8 for Figure 1 A structural schematic diagram of an elastic support plate of a writing support portion of an erasable writing board;

[0084] Fig. 9 for Figure 1 Another structural schematic diagram of the elastic support plate of the writing support portion of the erasable writing board;

[0085] Fig.10 A schematic diagram of the structure of a portable notepad according to an embodiment of the present application;

[0086] Fig.11 for Fig.10 A schematic diagram of a cross-sectional structure of a portable notepad;

[0087] Fig.12 for Fig.11 A schematic diagram of a local structure enlargement of the N region;

[0088] Numbers in the figure:

[0089] 1. Notepad; 10. Cover; 110. First cover; 120. Second cover; 130. Bendable portion; 20. Erasable writing board; 200. Panel portion; 201. Writing surface; 202. Pasting surface; 203. Sound-transmitting hole; 220. Writing support portion; 230. Elastic support plate; 231. First side surface; 232. Second side surface; 233. Third side surface; 234. Fourth side surface; 235. Fifth side surface; 236. Sixth side surface; 237. Accommodating groove; 2371. First notch; 2372. Second notch; 2373. Third notch; 2 50. Information acquisition unit; 251. Audio and video sensor; 252. Circuit board; 253. Sound processor; 254. Memory; 255. First button; 256. Second button; 257. Third button; 258. Fourth button; 259. Display screen; 260. Charging port; 261. Indicator light; 262. Magnetic switch; 265. Information processing circuit board; 266. Speaker; 267. Battery; 270. Storage rack; 271. Storage slot; 2711. Slot opening; 272. Connection hole; 273. Through hole; 30. Recording board; 40. Hanging ring. DETAILED DESCRIPTION

[0090] The specific implementation of the present utility model is further described below in conjunction with the accompanying drawings.

[0091] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0092] The terms "first", "second", "third", "fourth", "fifth", "sixth", etc. in the embodiments of the present application are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", etc. may explicitly or implicitly include at least one of the features.

[0093] In addition, the directions or positional relationships indicated by “upper”, “lower”, “top”, “bottom”, “inside”, “outside”, etc. are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0094] Furthermore, the terms "include", "have", "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0095] It should also be noted that, unless otherwise clearly specified and limited, the terms "connected", "connected" and "installed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0096] In addition to the above, it is still necessary to emphasize that the reference to "embodiment" and "implementation method" in this document means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0097] <Erasable Writing Board>

[0098] like Figure 1-10 As shown, the embodiment of the present application provides an erasable writing board 20, comprising:

[0099] A panel portion 200 having an erasable writing surface 201; and

[0100] The writing support part 220 has elasticity and information collection functions.

[0101] There are many ways to implement the panel portion 200 . For example, a light-colored board can be selected, and the board surface can be used as an erasable writing surface 201 .

[0102] Furthermore, combined with Figure 2-3 As shown, the writing support portion 220 with elasticity and information collection functions includes:

[0103] An information collection unit 250 having an audio-visual sensor 251 capable of collecting at least one of audio and video information, wherein the information collection unit 250 can collect at least one of audio information and video information through the audio-visual sensor 251; and

[0104] The elastic support plate 230 has a receiving groove 237 for receiving the information acquisition unit 250 .

[0105] Furthermore, the information collection unit 250 is installed in the receiving groove 237. Through the information collection unit 250, the erasable writing board 20 can collect at least one of the information of sound and image, so as to facilitate the user to better record information.

[0106] Furthermore, the panel portion 200 is connected to the writing support portion 220. Figure 1 In the embodiment, the panel portion 200 and the writing support portion 220 are stacked together from top to bottom, that is, the lower side of the panel portion 200 is connected to the upper side of the writing support portion 220.

[0107] In the embodiment of the present application, the elastic support plate 230 with the receiving groove 237 and the information collection unit 250 are coordinated together, and the information collection unit 250 is installed in the receiving groove 237 of the elastic support plate 230 to form a writing support part 220 with elasticity and information collection functions, and then the panel part 200 is further connected to the writing support part 220 to form the erasable writing board 20. Compared with the prior art, the erasable writing board 20 can not only effectively reduce or avoid the volume generated by installing the information collection unit 250, but also improve the writing softness on the basis of being more convenient for users to record information.

[0108] More specifically, on the one hand, the erasable writing board 20 with the information collection unit 250 is very suitable for recording information in the presence of sound and / or image. For example, when the erasable writing board 20 provided by the embodiment of the present application is used in a classroom, students can write on the writing surface 201 of the panel part 200 with a marker to record information while collecting the teacher's voice and / or image through the information collection unit 250, so that at least two sets of recording materials can be obtained, thereby preventing or reducing the phenomenon of information omission that may be caused by recording information only by writing, and facilitating review after class.

[0109] On the other hand, the embodiment of the present application provides support for the panel portion 200 through the elastic support plate 230 of the writing support portion 220. The elastic support plate 230 has a certain degree of buffering performance due to its own elasticity, so it can improve the softness of writing and make it more convenient for users to write on the writing surface 201.

[0110] On the other hand, the elastic support plate 230 of the writing support portion 220 has an internal receiving groove 237 for accommodating the information collection unit 250, so that the erasable writing board 20 can also effectively reduce the volume when equipped with the information collection unit 250, thereby effectively overcoming the defects of the prior art that the multifunctional writing board device with the information collection unit is too large in volume and occupies too much space.

[0111] It is easy to understand that since the volume of the erasable writing board 20 caused by installing the information collection unit 250 can be effectively reduced or avoided, the portability of the erasable writing board 20 can be further improved.

[0112] Regarding the sensor (English name is transducer / sensor), it can be further explained that it refers to a detection device that can sense the information being measured and can convert the sensed information into electrical signals or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control.

[0113] It can be understood that the sound and image sensor 251 is a type of sensor; in some embodiments, the sound and image sensor 251 has at least a sound information collection function, such as through a sound sensor; in other embodiments, the sound and image sensor 251 has at least an image information collection function, such as through an image sensor; in some other embodiments, the sound and image sensor 251 can also be a multifunctional sensor that can collect sound information and image information at the same time; of course, in some embodiments, the sound and image sensor 251 can also have the function of collecting other information besides sound and image, which is not limited in this embodiment of the present application.

[0114] The elastic support plate 230 refers to an elastic support plate, wherein elasticity refers to the ability or property of the support plate to recover when deformed by an external force. Therefore, it can be understood that any material with a certain degree of elasticity can generally be used to make the elastic support plate 230. Exemplarily, the elastic support plate 230 can be a foam support plate, a rubber support plate, a cotton support plate, etc.

[0115] It should be noted that the foam support board refers to a support board made of foam plastics. Rubber support boards and cotton support boards can be understood similarly. Foam plastics, also known as microporous plastics or porous plastics, are a type of plastic that is covered with countless interconnected or unconnected micropores that significantly reduce the apparent density. It has the advantages of being light, shockproof, moisture-resistant, and corrosion-resistant. The more common traditional foam plastics include polyurethane (PUR), polystyrene (PS), polyvinyl chloride (PVC), polyethylene (PE), phenolic resin (PF), and other varieties.

[0116] Therefore, when the elastic support plate 230 is a foam support plate, it also has the advantage of being lightweight, reducing the weight of the erasable writing board 20 and improving portability. In some embodiments, the foam plastic is foam. Optionally, the foam is EVA foam.

[0117] In some embodiments, the panel portion includes a whiteboard film, and the erasable writing surface 201 is provided by the whiteboard film. The whiteboard film here refers to a film with an erasable writing surface, and generally, the whiteboard film has at least one erasable writing surface.

[0118] Optionally, the whiteboard film is a PET whiteboard film.

[0119] In some embodiments, the panel portion further includes a tempered film, and the whiteboard film and the tempered film are stacked together to form the panel portion.

[0120] Continue to see Figure 3 , Figure 3 FIG. 2 shows a schematic diagram of the structure of the information collection unit 250. Figure 3 In the example shown, the audio-visual sensor 251 is a sound sensor. Through the sound sensor, the erasable writing board 20 can be used to record sound information.

[0121] There are many types of sound sensors. In at least one embodiment, the sound sensor is a microphone. A microphone, scientifically known as a microphone, is also called a microphone, a microphone or a micro-phone, which is translated from the English word microphone. A microphone is an energy conversion device that converts sound signals into electrical signals.

[0122] It should be understood that in some other embodiments, the audio-visual sensor 251 may also be an image sensor or a multi-function sensor. It should be noted that an audio sensor refers to a sensor that has the function of collecting audio information, an image sensor refers to a sensor that has the function of collecting image information, and a multi-function sensor refers to a sensor that has the function of collecting both audio information and image information. Figure 4 As shown, in some embodiments, the information acquisition unit 250 further includes a sound processor 253 and a memory 254. The sound processor 253 can receive the sound information collected by the sound sensor and store it in the memory 254.

[0123] In some embodiments, the audio-visual sensor 251 (sound sensor), the sound processor 253 and the memory 254 are electrically connected in sequence to achieve information transmission.

[0124] Continue to combine Figure 3-4 As shown, in some embodiments, the information acquisition unit 250 further includes a circuit board 252, and the audio-visual sensor 251 (sound sensor) is disposed on the circuit board 252, thereby forming an information processing circuit board 265 with a sound sensor; in other words, the information processing circuit board 265 has a sound sensor and a circuit board 252. It should be understood that the circuit board 252 is not a necessary structure in some embodiments.

[0125] In some embodiments, the sound processor 253 and the memory 254 are disposed on the circuit board 252 and combined into a part of the information processing circuit board 265 .

[0126] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 further includes a speaker 266. The speaker is also called a horn, and the sound collected by the sound sensor can be reproduced through the speaker 266, so that the user can organize and review the recorded information.

[0127] In some embodiments, the speaker 266 may be electrically connected to the sound processor 253 to obtain and play the sound collected by the sound sensor through the sound processor 253 .

[0128] In some embodiments, the speaker 266 is electrically connected to the information processing circuit board 265, specifically, is electrically connected to the circuit board 262 of the information processing circuit board 265, for example Figure 3 shown.

[0129] In some embodiments, the speaker 266 and the information processing circuit board 265 are connected via a first conductive line 269 .

[0130] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 also includes a first button 255 for recording.

[0131] The first button 255 may be a mechanical button or a touch button. By pressing or touching the first button 255, recording may be turned on or off. Recording here refers to the collection of sound information by the sound sensor.

[0132] Alternatively, if Figure 4 As shown, the first button 255 is disposed on the circuit board 252 , that is, the information processing circuit board 265 also has the first button 255 .

[0133] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 also includes a second button 256 for playing.

[0134] The second button 256 (play button) can be a mechanical button or a touch button. Playing can be turned on or off by pressing or touching the second button 256. The object played here refers to the sound information collected by the sound sensor. For example, by pressing the second button 256, the sound processor 253 plays the recording information stored in the memory 254 through the speaker 266.

[0135] Alternatively, if Figure 4As shown, the second button 256 is disposed on the circuit board 252 , that is, the information processing circuit board 265 also has the first button 255 .

[0136] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 further includes a third button 257 for playback. As for the usage, illustratively, the erasable writing board 20 is turned on, and in the standby state, the third button 257 (playback selection button) is pressed, and the user can select the recording segment to be played back and confirm, and then press the second button 256 (play button), and the sound processor 253 plays the recorded sound in the storage 254 (memory) through the speaker 266 (speaker).

[0137] Alternatively, if Figure 4 As shown, the third button 257 is disposed on the circuit board 252 .

[0138] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 further includes a fourth button 258 for adjusting the volume. The fourth button 258 can be used to adjust the playback volume.

[0139] Alternatively, if Figure 4 As shown, the fourth button 258 is disposed on the circuit board 252 .

[0140] Continue as Figure 4 As shown, in some embodiments, the information collection unit 250 also includes a display screen 259 for displaying volume level, playback selection information, and the like.

[0141] Alternatively, if Figure 4 As shown, the display screen 259 is disposed on the circuit board 252 .

[0142] Continue as Figure 4 As shown, in some embodiments, the circuit board 252 also has a charging interface 260 for electrically connecting to an external power source.

[0143] Optionally, the charging interface 260 is a USB interface. In at least one embodiment, the USB interface is a Type-C interface.

[0144] Continue as Figure 4As shown, in some embodiments, the information collection unit 250 further includes an indicator light 261. Optionally, the indicator light 261 is disposed on the circuit board 252. In at least one embodiment, the indicator light 261 is used to indicate the recording status. Exemplarily, when the first button 255 (recording button) is pressed, the indicator light is in the first color and flashes, recording starts, and the sound passes through the microphone and the circuit to the sound processor 253 for processing and storage in the memory, and then the recording button is pressed again to stop recording.

[0145] In some embodiments, the indicator light 261 is used to indicate the charging status of the battery 267. Exemplarily, the indicator light 261 lights up in the second color, and the battery 267 is being charged. After the battery 267 is fully charged, the indicator light goes out.

[0146] Optionally, the first color and the second color are any one of red, green, yellow and the like.

[0147] Continue as Figure 4 As shown, in some embodiments, the information acquisition unit 250 further includes a magnetic control switch 262. Optionally, the magnetic control switch 262 is disposed on the circuit board 252.

[0148] Continue as Figure 3 and 4 As shown, in some embodiments, the information acquisition unit 250 also includes a battery 267 for powering the circuits and electrical devices in the information acquisition unit 250 , such as powering electrical appliances such as sound sensors and speakers on the circuit board 252 .

[0149] In at least one embodiment, the battery 267 is electrically connected to the information processing circuit board 265 , and more specifically, is electrically connected to the circuit board 252 , so as to supply power to various electrical appliances on the circuit board 252 .

[0150] In some embodiments, the battery 267 and the information processing circuit board 265 are connected via a second conductive line 268, for example Figure 3 shown.

[0151] Continue to combine Figure 1-2 As shown in FIGS. 5-6, in some embodiments, the writing support portion 220 further includes a rack 270, and the information acquisition unit 250 is accommodated in the accommodation slot through the rack 270. Specifically, the rack 270 is fixedly installed in the accommodation slot 237, and the information acquisition unit 250 is installed on the rack 270 and accommodated in the accommodation slot 237 through the rack 270. The provision of the rack 270 makes it easier to install the information acquisition unit 250, and also improves the stability of the information acquisition unit 250 after installation.

[0152] In some embodiments, Figure 6As shown, the rack 270 has a storage slot 271. Further, the information collection unit 250 is installed in the storage slot 271, that is, it is installed on the rack 270 through the storage slot 271, and can be combined with Figure 1-2 ,5 for understanding.

[0153] It should be understood that the information acquisition unit 250 is installed in the storage slot 271, and can be partially located in the storage slot 271, or can be located entirely in the storage slot 271, which can be determined according to actual needs. However, when the information acquisition unit 250 is completely located in the storage slot 271, the space occupied by the writing support 220 can be further reduced.

[0154] In some embodiments, the storage slot 271 has a slot opening 2711. Figure 6 As shown, the upper side of the storage slot 271 is recessed inward to form a slot opening 2711. Through the slot opening 2711, it is more convenient to place the information acquisition unit 250 in the storage slot 271 to achieve installation.

[0155] In some embodiments, a side of the rack 270 has a connection hole 272, as shown in FIG. Figure 6 As shown, the connection hole 272 is located at the front side of the rack 270. One end (rear end) of the connection hole 272 is connected to the storage slot 271, and the other end (front end) is connected to the outside of the erasable writing board 20, which can be combined with Figure 5 That is, the connection hole 272 connects the storage slot 271 with the outside of the erasable writing board 20. Further, the interface end of the charging interface 260 is located at the connection hole 272. In this way, when the external interface line extends from the connection hole 272, it is easy to connect with the interface end of the charging interface 260.

[0156] It should be noted that the interface end of the charging interface 260 is located at the connection hole 272. In a specific embodiment, the interface end may be arranged near the connection hole 272 or may be extended into the connection hole 272. As long as it is convenient for an external interface line to be connected to the interface end.

[0157] In some embodiments, one side of the rack 270 (eg Figure 6 A through hole 273 is also provided on the front side (as shown), one end of the through hole 273 is connected to the storage groove 271, and the other end is connected to the outside of the erasable writing board 20.

[0158] Continue to combine Figure 7 As shown, the panel portion 200 also has a mounting surface 202. Figure 1It can be understood that, unlike the writing surface 201 located on the upper side of the panel portion 200, the attachment surface 202 is located on the lower side of the panel portion 200, that is, the writing surface 201 and the attachment surface 202 are respectively located on both sides of the panel portion 200. Figure 1-2 8, the elastic support plate 230 has a first side surface 231 located on the upper side, and the mounting surface 202 is mounted on the first side surface 231 of the elastic support plate 230 in a face-to-face contact manner ( Figure 2 The upper side of the panel 200 is formed on the writing support portion 220 so that the writing support portion 220 is connected to the panel portion 200. In this embodiment, the first side 231 of the elastic support plate 230 is closely attached to the attachment surface 202 of the panel portion 200, and the elastic support plate 230 exists as a backing plate of the panel portion 200, directly playing a supporting role.

[0159] In some embodiments, the writing support portion 220 covers the mounting surface 202 , which is more conducive to supporting the panel portion 200 .

[0160] Continue as Figure 8 As shown, the receiving slot 237 has a first notch 2371, through which the rack 270 and the information collection unit 250 thereon are conveniently placed in the receiving slot 237, which is convenient for installation. Exemplarily, the first notch 2371 is formed on the first side surface 231, and can be formed by the first side surface 231 being recessed inwardly to form the first notch 2371.

[0161] Continue to see Figure 8 In some embodiments, the elastic support plate 230 further has a second side surface 232 located at the front side, and the receiving groove 237 further has a second notch 2372 formed on the second side surface 232, and the first notch 2371 is connected to the second notch 2372. The connected first notch 2371 and the second notch 2372 are respectively located on different sides of the elastic support plate 230, so that the storage rack 270 can be placed in the receiving groove 237, which is more conducive to the installation operation.

[0162] Continue to combine Fig. 9 As shown, in some embodiments, the elastic support plate 230 further has a third side surface 233 opposite to the first side surface 231, and the third side surface 233 is located at the lower side of the elastic support plate 230; the receiving groove 237 further has a third notch 2373 located at the lower side, and the third notch 2373 is formed on the third side surface 233; the third notch 2373 is connected to the second notch 2372, and the receiving groove 237 passes through the upper and lower sides (i.e., the first side surface 231 and the third side surface 233) of the elastic support plate 230 through the first notch 2371 and the third notch 2373. It is convenient to put the storage rack 270 into the receiving groove 237, which is more conducive to the installation operation.

[0163] In some embodiments, the elastic support plate 230 is in a rectangular shape, and the elastic support plate 230 further has a fourth side 234, a fifth side 235, and a sixth side 236. The first side 231, the second side 232, the third side 233, and the fourth side 234 are connected end to end in sequence, and the first side 231, the fifth side 235, the third side 233, and the sixth side 236 are connected end to end in sequence. Figure 8 and 9 In some other embodiments, the elastic support plate 230 may also be in a cylindrical shape or other shapes.

[0164] In some embodiments, after the writing support portion 220 is connected to the panel portion 200, the panel portion 200 covers the receiving groove 237, more specifically, covers the first notch 2371 of the receiving groove 237. This is conducive to sealing the information collection unit 250 in the receiving groove 237. The covered state can be combined with Figure 5 To understand.

[0165] In some embodiments, after the writing support portion 220 is connected to the panel portion 200, the panel portion 200 covers the storage slot 271, more specifically, covers the slot opening 2711 of the storage slot 271. This facilitates the information collection unit 250 to be sealed in the storage slot 271. The covered state can be combined with Figure 5 To understand.

[0166] In some embodiments, the slot opening 2711 is disposed toward the first slot 2371. When the elastic support plate 230 is connected to the panel portion 200, the panel portion 200 can cover the first slot 2371, and then cover the slot opening 2711, so that the information collection unit 250 is conveniently sealed in the storage slot 271. The covered state can be combined with Figure 5 To understand.

[0167] In some embodiments, the slot opening 2711 is flush with the first slot 2371 and overlaps with the first side surface 231. This is beneficial for maximizing the use of the space of the receiving slot 237. It should be noted that the flush here means substantially flush.

[0168] In some embodiments, in combination Figure 5 As shown, the panel portion 200 also has a sound-transmitting hole 203 penetrating the removable writing surface 201 and the mounting surface 202, and the sound-transmitting hole 202 is connected to the receiving groove 237. It is convenient for the speaker to make sound and for the sound sensor to detect sound.

[0169] In some embodiments, the connection hole 272 is disposed toward the second notch 2372. The second notch 2372 is connected to the external space of the erasable writing board 20, so that the external interface line can enter the connection hole 272 from the second notch 2372 to achieve connection. In at least one embodiment, the connection hole 272 is located in the second notch 2372.

[0170] Combination Figure 1 It is understood that in some embodiments, the writing surface 201 and the attachment surface 202 are arranged along the thickness direction. Figure 1 In the embodiment, the thickness direction is the up-down direction. That is, the distance between the writing surface 201 and the attachment surface 202 is the thickness of the panel portion 200.

[0171] Combination Figure 1 It is understood that in some embodiments, the thickness of the panel portion 200 is less than the length and width of the panel portion 200, and is also less than the width of the panel portion 200. Figure 1 In the figure, the length direction of the panel portion 200 is the front-to-back direction, and the width direction is the left-to-right direction.

[0172] In some embodiments, the thickness of the panel portion 200 is between 0.1 mm and 2 cm, which is beneficial to improving the portability of the erasable writing board 20 .

[0173] Furthermore, the thickness of the panel portion 200 is 0.1 mm-0.5 cm. A thinner thickness is beneficial to reducing the volume and weight of the erasable writing board 20, improving portability and making it easier to carry.

[0174] In some embodiments, the thickness of the elastic support plate 230 is smaller than the length of the elastic support plate 230 and is also smaller than the width of the elastic support plate 230. Figure 8 In the figure, the thickness direction of the elastic support plate 230 is the up-down direction, the length direction is the front-back direction, and the width direction is the left-right direction.

[0175] In some embodiments, the thickness of the elastic support plate 230 is between 0.1 mm and 5 cm. Controlling the thickness of the elastic support plate 230 is beneficial to improving portability and making it easier to carry.

[0176] In some embodiments, the thickness of the erasable writing board 20 is equal to the sum of the thickness of the panel portion 200 and the thickness of the elastic support plate 230 .

[0177] In some embodiments, the length of the erasable writing board 20 is between 5 cm and 30 cm, and the width is between 5 cm and 30 cm, which is beneficial to improving the portability of the erasable writing board 20 and making it easy to carry.

[0178] It should be noted that regarding the length direction, width direction and thickness direction in the aforementioned embodiments, generally, a three-dimensional structure (such as an elastic support plate, a panel portion) can be characterized by three dimensions: length, width and thickness, wherein the length direction, width direction and thickness direction are perpendicular to each other.

[0179] <Portable Notepad>

[0180] like Figure 10-12 As shown, the embodiment of the present application also provides a portable notepad 1, comprising:

[0181] Cover 10; and

[0182] The erasable writing board 20 described in the above embodiments;

[0183] The erasable writing board 20 is mounted on the cover 10 .

[0184] In some embodiments, the cover 10 includes a first cover page 110 and a second cover page 120, which are rotatably connected; the erasable writing board 20 is installed on the inner side of the first cover page 110. Furthermore, the third side 233 of the elastic support plate 230 of the erasable writing board 20 is installed on the inner side of the first cover page 110.

[0185] In this embodiment, the first cover page 110 and the second cover page 120 can be opened and closed by rotating. When it is needed, the first cover page 110 and the second cover page 120 are rotated to open, and the erasable writing board 20 is exposed, and then the erasable writing board 20 can be used; after use, the first cover page 110 and the second cover page 120 are rotated to close, and the erasable writing board 20 is sandwiched in the middle, which is convenient for carrying and can also protect the erasable writing board 20.

[0186] In some embodiments, the portable notepad 1 further comprises a recording board 30 for writing; the recording board 30 is installed on the inner side of the second cover page 120. Adding a recording board 30 can record more information.

[0187] It should be noted that the recording board 30 has at least one erasable writing surface, and the erasable writing surface of the recording board 30 can be set with reference to the erasable writing surface 201 of the erasable writing board 20 in the previous embodiment.

[0188] In some embodiments, the cover 10 further includes a bendable portion 130 , and the first cover page 110 , the bendable portion 130 and the second cover page 120 are connected in sequence, and the first cover page 110 and the second cover page 120 are rotated through the bendable portion 130 .

[0189] In some embodiments, the first cover page 110 may be made of a plastic material and a leather material. Specifically, the first cover page 110 includes a plastic layer made of a plastic material and a leather layer made of a leather material, and the plastic layer and the leather layer are stacked together.

[0190] In at least one embodiment, the leather layer is a PU leather layer.

[0191] In at least one embodiment, the second cover page 120 and the bendable portion 130 are made of the same materials as those of the first cover page 110 , and can be implemented with reference to the first cover page 110 .

[0192] In some embodiments, the portable notepad 1 further includes a hanging loop 40 .

[0193] Optionally, a hanging ring 40 is connected to one side of the erasable writing board 20 .

[0194] In some implementations, the user can use the portable notepad 1 as follows:

[0195] 1. After the first cover page 110 and the second cover page 120 of the portable notepad 1 are opened, the magnetic switch 262 is activated and the device is turned on normally. The indicator light 261 lights up green and the display screen 259 displays.

[0196] 2. Press the first button 255 (recording button), the indicator light 261 turns green and flashes, and recording starts. The sound passes through the audio-visual sensor 251 (microphone) and the circuit to the sound processor 253 for processing and storage in the memory 254. Press the recording button again to stop recording.

[0197] 3. After turning on the power, in standby mode, press the third button 257 (playback selection button) to select the recording segment that the user wants to play back, and then press the second button 256 (play button), and the sound processor 253 plays the recorded sound stored in the memory 254 through the speaker 266 (speaker).

[0198] 4. During playback, press the fourth button 258 (volume selection button) to adjust the volume.

[0199] 5. After the portable notepad 1 is closed, the magnetic switch 262 is activated and the device is shut down normally. The green indicator light 261 goes out.

[0200] In some embodiments, the portable notepad is charged as follows: connect the TYPE-C cable to the charger, then insert the charging port 260 to charge the battery 267, the indicator light 261 lights up red, and the red indicator light 261 goes out after it is fully charged.

[0201] The above specific implementations have been described in detail for the present invention, but these do not constitute limitations on the present invention. The protection scope of the present invention is not limited to the above implementations, and any equivalent modifications or changes made by ordinary technicians in the field based on the content disclosed in the present invention should be included in the protection scope recorded in the claims.

Claims

1. Erasable writing board, characterized in that: include: A panel portion having an erasable writing surface; and A writing support part with elasticity and information collection functions, wherein the writing support part comprises an elastic support plate with a receiving groove and an information collection unit with an audio-visual sensor capable of collecting at least one of sound and image information, and the information collection unit is accommodated in the receiving groove; Wherein, the writing support part is connected to the panel part.

2. The erasable writing board according to claim 1, characterized in that: The writing support part also includes a storage rack having a storage slot, and the information acquisition unit is accommodated in the storage slot through the storage rack, wherein the storage rack is installed in the storage slot, and the information acquisition unit is installed in the storage slot.

3. The erasable writing board according to claim 1, characterized in that: The panel portion also has a mounting surface, and the writing surface and the mounting surface are respectively located on two sides of the panel portion; The attaching surface is attached to the first side surface of the elastic support plate in a face-to-face contact manner, so that the writing support part is connected to the panel part.

4. The erasable writing board according to claim 1, characterized in that: The elastic support plate is a foam support plate, a rubber support plate or a cotton cloth support plate.

5. The erasable writing board according to claim 2, characterized in that: The accommodating groove has a first notch, and the first notch is formed on a first side surface of the elastic support plate; The elastic support plate further has a second side surface, and the accommodating groove further has a second notch, and the second notch is formed on the second side surface; The first notch is in communication with the second notch.

6. The erasable writing board according to claim 5, characterized in that: The elastic support plate further has a third side surface opposite to the first side surface, and the accommodating groove further has a third notch, the third notch is formed on the third side surface, and the third notch is connected to the second notch; The elastic support plate is in a rectangular shape, and also has a fourth side surface, a fifth side surface and a sixth side surface; the first side surface, the second side surface, the third side surface and the fourth side surface are connected end to end in sequence, and the first side surface, the fifth side surface, the third side surface and the sixth side surface are connected end to end in sequence.

7. The erasable writing board according to claim 2, characterized in that: The panel part also has a mounting surface, and the writing support part covers the mounting surface; The writing surface and the attachment surface are arranged along the thickness direction, and the distance between the writing surface and the attachment surface is equal to the thickness of the panel part; The thickness of the panel portion is smaller than the length and width of the panel portion; The thickness of the elastic support plate is smaller than the length and width of the elastic support plate; The thickness of the erasable writing board is equal to the sum of the thickness of the panel portion and the thickness of the elastic support plate; The thickness of the panel portion is between 0.1 mm and 2 cm; The thickness of the elastic support plate is between 0.1 mm and 5 cm; The length of the erasable writing board is between 5cm and 30cm, and the width of the erasable writing board is between 5cm and 30cm.

8. The erasable writing board according to claim 1, characterized in that: The audio-visual sensor is a sound sensor, and the information acquisition unit further includes any one of a sound processor, a memory, a speaker, a display screen, an indicator light, a charging interface, a magnetic switch, a first button for recording, a second button for playing, a third button for playback, a fourth button for adjusting the volume, a battery, and a circuit board; wherein, When a circuit board is included, the acoustic image sensor is arranged on the circuit board.

9. An erasable writing board, characterized in that: include: a panel portion having an erasable writing surface; and A writing support part with elasticity and sound information collection function, the writing support part includes an information collection unit and a foam support plate with a receiving groove for accommodating the information collection unit, the information collection unit includes an information collection circuit board with a sound sensor, and the information collection unit is accommodated in the receiving groove; Wherein, the panel part is connected to the writing support part.

10. The erasable writing board according to claim 9, characterized in that: The writing support portion further comprises a shelf having a storage slot; The information collection unit is accommodated in the accommodation slot through the storage rack, wherein the storage rack is installed in the accommodation slot, and the information collection unit is installed in the storage slot.

11. The erasable writing board according to claim 9, characterized in that: The information collection unit further includes a speaker and a battery, wherein the speaker and the battery are electrically connected to the information collection circuit board respectively; The information collection circuit board also has a sound processor, a memory, a first button for recording, and a second button for playing; The sound sensor is a microphone.

12. The erasable writing board according to any one of claims 9 to 11, characterized in that: The panel portion and the foam support plate are arranged in sequence along the thickness direction; The thickness of the panel portion is smaller than the length and width of the panel portion, and the thickness of the panel portion is between 0.1 mm and 2 cm; The thickness of the foam support plate is smaller than the length and width of the foam support plate, and the thickness of the foam support plate is between 0.1 mm and 5 cm; The thickness of the erasable writing board is equal to the sum of the thickness of the panel portion and the thickness of the foam support plate; The length of the erasable writing board is between 5cm and 30cm, and the width of the erasable writing board is between 5cm and 30cm; The foam support plate has a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, the first side, the second side, the third side and the fourth side are connected end to end in sequence, and the first side, the fifth side, the third side and the sixth side are connected end to end in sequence; The panel portion also has a pasting surface, the writing surface and the pasting surface are respectively located on both sides of the panel portion, and the pasting surface is pasted on the first side surface of the foam support plate in a face-to-face contact manner, so that the writing support portion is connected to the panel portion, and the writing support portion covers the pasting surface; The receiving groove has a first notch and a second notch, the first notch is formed on the first side surface, and the second notch is formed on the second side surface; the first notch and the second notch are connected; The first side surface is arranged opposite to the third side surface and is respectively located on both sides of the foam support plate. The accommodating groove further has a third notch formed on the third side surface and is connected to the second notch.

13. The erasable writing board according to claim 11, characterized in that: The panel portion also has a mounting surface; The panel portion includes a whiteboard film, and the erasable writing surface is provided by the whiteboard film; The writing support part further comprises a shelf having a storage slot, and the information acquisition unit is accommodated in the storage slot through the shelf, wherein the shelf is installed in the storage slot, and the information acquisition unit is installed in the storage slot; The writing surface and the attachment surface are arranged along the thickness direction, and the distance between the writing surface and the attachment surface is equal to the thickness of the panel part; The panel portion and the foam support plate are arranged in sequence along the thickness direction; The thickness of the panel portion is smaller than any one of the length and width of the panel portion, and the thickness of the panel portion is between 0.1 mm and 2 cm; The thickness of the foam support plate is less than any one of the length and width of the foam support plate, and the thickness of the foam support plate is between 0.1 mm and 5 cm; The thickness of the erasable writing board is equal to the sum of the thickness of the panel portion and the thickness of the foam support plate; The length of the erasable writing board is between 5cm and 30cm, and the width is between 5cm and 30cm; The foam support plate has a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, the first side, the second side, the third side and the fourth side are connected end to end in sequence, and the first side, the fifth side, the third side and the sixth side are connected end to end in sequence; The writing surface and the attachment surface are respectively located on both sides of the panel portion, and the attachment surface is attached to the first side surface of the foam support plate in a face-to-face contact manner, so that the writing support portion is connected to the panel portion, and the first side surface covers the attachment surface; The receiving groove has a first notch and a second notch, the first notch is formed on the first side surface, and the second notch is formed on the second side surface; the first notch and the second notch are connected; The first side surface is opposite to the third side surface and is respectively located on both sides of the foam support plate, and the accommodating groove further has a third notch, the third notch is formed on the third side surface, and the third notch is connected to the second notch; The storage slot has a slot opening, and the slot opening faces the first slot; The storage rack also has a through hole, one end of which is connected to the storage slot, and the other end of which is connected to the outside of the erasable writing board; The information collection circuit board also has a display screen, an indicator light, a charging interface, a magnetic switch, a third button for playback, and a fourth button for adjusting the volume; The storage rack has a connecting hole, one end of which is connected to the storage slot, and the other end is connected to the outside of the erasable writing board. The connecting hole corresponds to the charging interface, and the interface end of the charging interface is located at the connecting hole.

14. A portable notepad, characterized in that: include: Cover; and The erasable writing board according to any one of claims 1 to 13; Wherein, the erasable writing board is installed on the cover.

15. The portable notepad according to claim 14, characterized in that: Also included is a recording tablet for writing; Wherein, the cover comprises a first cover page and a second cover page, the first cover page and the second cover page are rotatably connected, the erasable writing board is installed on the first cover page, and the recording board is installed on the second cover page.