CN220829704U - Virtual writing control board - Google Patents
Virtual writing control board Download PDFInfo
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- CN220829704U CN220829704U CN202321682771.4U CN202321682771U CN220829704U CN 220829704 U CN220829704 U CN 220829704U CN 202321682771 U CN202321682771 U CN 202321682771U CN 220829704 U CN220829704 U CN 220829704U
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Abstract
The utility model discloses a virtual writing control board, and belongs to the technical field of online electronic demonstration. The method mainly comprises a transparent plate, a camera device and a control device, wherein the transparent plate is used for writing and/or performing control actions on the surface of the transparent plate, and shooting through the transparent plate by the camera device; the non-shielding handwriting control extraction device is used for acquiring a writing track and/or a control action track on the transparent plate and generating writing track data and/or control track data; and the data transmission device is used for transmitting the writing track data and/or the control track data to one or more clients so as to generate corresponding graphics and texts and/or execute corresponding control actions on interfaces on the one or more clients. The transparent virtual writing control board enables a presenter to write and control on the transparent virtual writing control board, and the action process can be directly captured by the front-arranged camera equipment, so that the demonstration effect is improved.
Description
Technical Field
The utility model relates to the technical field of online electronic demonstration, in particular to a virtual writing control board.
Background
At present, in the application of remote electronic demonstration such as online live broadcasting courses and the like, when a presenter writes or controls on a demonstration courseware or other drawing board software by using a screen-writable computer or an electronic writing board and the like in the prior art, only writing writings or cursors can be seen, but a scene like a teacher in a classroom for writing on a blackboard and controlling on a computer screen cannot be seen. The electronic large screen capable of being written by the screen is also used, and a camera is placed in front of the electronic large screen to shoot the writing process of a demonstrator on the large screen in real view.
Disclosure of utility model
The embodiment of the utility model provides a virtual writing control board, which enables a presenter to write and control actions on the virtual writing control board to be directly captured by a camera device arranged in front through arranging a transparent virtual writing control board, enables the presenter to face a viewer, synthesizes the presenter and a demonstration process into a control picture, improves the demonstration effect, and has the AR effect and a metauniverse scene.
In a first aspect, an embodiment of the present utility model provides a virtual writing dashboard, including:
The transparent plate is used for writing and/or performing control actions on the surface of the transparent plate, and shooting through the transparent plate by using the camera equipment; the non-shielding handwriting control extraction device is used for acquiring a writing track and/or a control action track on the transparent plate and generating writing track data and/or control track data; and the data transmission device is used for transmitting the writing track data and/or the control track data to one or more clients so as to generate corresponding graphics and texts and/or execute corresponding control actions on interfaces on the one or more clients.
Further, the non-occlusion handwriting manipulation extraction device includes: the infrared touch frame comprises an infrared receiving tube and an infrared transmitting tube which are arranged along the peripheral edge of the transparent plate.
Further, the non-occlusion handwriting manipulation extraction device includes: the capacitive touch control film is a transparent film and is adhered to the transparent plate.
Further, the capacitive touch film covers the transparent plate entirely or partially.
Further, the transparent plate comprises two transparent plates, and the capacitive touch film is clamped between the two transparent plates.
Further, the transparent plate and the non-shielding handwriting control extraction device are rectangular.
Further, the transparent plate is a smooth planar plate.
Further, the Mohs hardness of the transparent plate is 5-10, and the surface of the transparent plate is coated with an alkali-resistant, acid-resistant, wear-resistant and ageing-resistant coating film with high light transmittance and low reflectivity.
Further, the outer side of the edge of the transparent plate is provided with a wrapping edge, and the bottom or two sides of the transparent plate are provided with brackets.
Further, an illuminating lamp, a loudspeaker and a microphone are arranged at the edge of the transparent plate.
According to the embodiment of the utility model, the transparent virtual writing control board is arranged, so that a presenter can face a viewer and can write and control the motion on the virtual writing control board by the camera equipment arranged in front, the viewer can see writing handwriting or control a cursor clearly and can see the motion of the presenter writing or controlling, the portability is stronger, meanwhile, the displayed courseware picture is ensured to be clear, the demonstration effect is further improved, and the virtual writing control board has an AR effect and a metauniverse scene.
Drawings
FIG. 1 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 2 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 3 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 4 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 5 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 6 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
FIG. 7 is a schematic illustration of one embodiment of a virtual tablet and its connection according to the present utility model;
fig. 8 is a schematic diagram of a virtual tablet according to an embodiment of the present utility model and its connection.
Reference numerals:
1-a transparent plate; 2-an infrared touch frame; 3-a data transmission line; 4-a capacitive touch film; 5-edge wrapping; 6-a bracket; 7-lighting lamp;
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
At present, in the application of remote electronic demonstration such as online live broadcasting courses and the like, when a demonstrator uses a screen-writable computer or an electronic writing board and the like in the prior art to write or control in the demonstration, a viewer can only see writing writings or cursors, but cannot see the scene of writing and controlling on a blackboard like a teacher in a classroom. If the electronic large screen capable of being written is used, a camera is placed in front of the electronic large screen to shoot the writing or control process of the demonstrator on the large screen, the writing or control process is not only carried out by facing away from the observer, but also the shot screen is unclear, and the remote interaction function is not provided.
In order to realize that handwriting, control and writing gesture and control actions of a demonstrator are spliced in online demonstration, the demonstrator directly writes or controls the screen, and the transparent virtual writing control board is similar to the screen in writing or controlling.
In one embodiment of the present utility model, the virtual tablet of the present utility model comprises:
The transparent plate is used for writing and/or performing control actions on the surface of the transparent plate, and shooting through the transparent plate by using the camera equipment; the non-shielding handwriting control extraction device is used for acquiring a writing track and/or a control action track on the transparent plate and generating writing track data and/or control track data; and the data transmission device is used for transmitting the writing track data and/or the control track data to one or more clients so as to generate corresponding graphics and texts and/or execute corresponding control actions on interfaces on the one or more clients.
Through the transparent writing control board, the writing action and the control action of a demonstrator can be shot by using the camera equipment, the writing and control track on the transparent writing control board can be clearly displayed at the same time, so that a viewer can see writing handwriting clearly and control a cursor and see the writing or control action of the demonstrator, the viewer can better bring in a demonstration scene, has the feeling of being personally on the scene, ensures that the demonstrated screen picture is clear at the same time, thereby improving the demonstration effect, and has an AR effect and a metauniverse scene.
Specifically, after the image capturing device captures the writing or controlling action of the presenter, the writing or controlling action can be virtually synthesized by using professional software, and the writing track or the cursor of the controlling track obtained by the non-shielding handwriting controlling and extracting device can be obtained, so that a picture with the action consistent with the track can be obtained.
Specifically, the writing track can be characters, lines, pictures and the like; the manipulation actions may be various operations such as movement of a cursor on a client interface, turning pages, inputting, clicking, opening software, selecting, setting options, editing, and the like.
Specifically, the writing in the virtual synthesized picture can be at the forefront of all pictures without being blocked, or at the back of some picture layers.
When shooting is carried out by utilizing the image pickup device through the writing control board, the writing action and the control action of the demonstrator can be shot, so that the later virtual synthesis is facilitated.
Optionally, the data transmission device includes a data transmission line and/or a computer and software.
Specifically, the non-occlusion handwriting control extraction device and one or more clients can be connected through a data transmission line according to requirements. Wherein the method comprises the steps of
In an alternative embodiment of the present utility model, the transparent plate and the non-occlusion handwriting manipulation extraction device are rectangular. The size of the writing control board is required to be matched with the requirements of the visual field of the camera, software, a virtual synthesizing device and other equipment, and the writing control board can be in a transverse screen shape or a vertical screen shape.
In an alternative embodiment of the present utility model, the transparent board is a smooth planar board, which can meet the writing and manipulation requirements.
In an alternative specific embodiment of the utility model, the Mohs hardness of the transparent plate is 5-10, and the surface of the transparent plate is coated with an alkali-resistant, acid-resistant, wear-resistant and ageing-resistant coating film with high light transmittance and low reflectivity. And the plating surface can be selected according to specific requirements, and the plating surface is double-sided or single-sided.
Specifically, the hardness, the light transmittance of the transparent plate and the acid and alkali resistance and ageing resistance of the coating can be automatically selected according to the service life of the transparent plate, so that the service life of the transparent plate is longer, the shooting effect is better, the user experience is improved, and the long-time writing without scratches can be met.
In an alternative embodiment of the present utility model, the transparent sheet material may be machined to be double-sided, high light transmission, low reflection. Thus, clear presenter figures can be shot, and the pictures are clean.
In an alternative embodiment of the present utility model, as shown in fig. 8, the outer side of the edge of the transparent plate is provided with a binding 5, and both sides or the bottom of the transparent plate are provided with a bracket 6. The setting of borduring can protect and easily support transparent panel's vulnerable edge department, and the setting of support not only plays fixed effect, can also match the visual field of camera better. Optionally, universal wheels can be mounted on the support, so that the writing control board can be moved conveniently, and applicability of the writing control board is improved. Alternatively, the bracket may be replaced with a hanger provided on the top of the transparent plate. Alternatively, the transparent tablet may be free of a stand and integrated into other devices or apparatus.
In an alternative embodiment of the present utility model, as shown in fig. 8, an illumination lamp 7 is provided at the edge of the transparent plate. The light can be convenient for carry out the light filling to demonstrator or exhibit, improves shooting effect. Alternatively, the illumination lamp may be a strip illumination lamp, or may be other commercially available illumination lamps; alternatively, the illumination lamp may be disposed inside the edge of the transparent plate 1 or outside the binding 5. Alternatively, when the transparent plate is very large or very small, the illumination lamp can be independently arranged outside.
In an alternative embodiment of the present utility model, a microphone and/or a speaker may be mounted on the frame of the transparent writing control board, so as to improve the demonstration effect.
Specifically, the dimensions of the transparent board 1, such as length, width, and the like, can be set according to the framing parameters of the imaging device, the associated parameters of the corresponding client, and the dimensions of the corresponding non-shielding handwriting control extraction device.
In an alternative embodiment of the present utility model, as shown in fig. 1, the non-occlusion handwriting manipulation extraction device includes: and the infrared touch frame 2 is provided with an infrared receiving tube and an infrared emitting tube along the peripheral edge of the transparent plate 1.
Specifically, the infrared receiving tubes and the infrared transmitting tubes arranged along the peripheral edges of the transparent plate form an optical network formed by infrared rays, when an object (such as a finger, a hand with a glove, a touch pen or any touch object) enters the infrared network to block the infrared rays at a certain position to transmit and receive, the intensity of the infrared rays received by the infrared receiving tubes in the horizontal direction and the vertical direction of the point can be changed, and the equipment can know where to touch by knowing the change of the infrared rays received by the data transmission line 3.
Preferably, the infrared touch frame is disposed inside the edge of the transparent plate 1.
Specifically, the size, performance and sensing area of the infrared touch frame may be adjusted and configured according to the view finding parameter, the display screen and/or the control screen of the corresponding image capturing device and the corresponding input/output end association parameter, where the performance includes, but is not limited to, resolution, multi-point touch point number, and the like.
Optionally, the sensing area surrounded by the infrared touch frame 2 may set one or more corresponding sensing areas according to display positions of different client frames for synthesizing the virtual synthesized frame in the virtual synthesized frame, and connect the different sensing areas with corresponding clients. The demonstration pictures on the corresponding clients can be controlled, and the effect of multi-layer window nesting is presented in the final virtual synthesized picture.
In an alternative embodiment of the present utility model, as shown in fig. 2, the non-occlusion handwriting manipulation extraction device includes: the capacitive touch film 4 is a transparent film and is adhered to the transparent plate 1.
Specifically, the number of the transparent plates 1 may be 1, and the capacitive touch film may be adhered to the surface of the transparent plates 1.
Optionally, the transparent plate comprises two transparent plates, and the capacitive touch film is clamped between the two transparent plates.
Specifically, the capacitive touch film senses the position of the finger through the capacitance of the human body, that is, when the finger of the user touches the capacitive touch film, a capacitance is generated on the surface of the plate. A sensing matrix is attached to the surface of the capacitive touch control film, and the sensing matrix and a special chip together continuously track the 'track' of the capacitance of the finger of a user, and the position (X, Y coordinates) of the finger can be accurately positioned at all times through a series of internal processes. The capacitive stylus may also be used in place of the finger operation.
Specifically, the size, performance and sensing area of the capacitive touch film 4 may be adjusted and configured according to the view finding parameter, the display screen and/or the position of the control screen of the corresponding image capturing device, and the corresponding input/output end related parameter.
In an alternative embodiment of the present utility model, as shown in fig. 3, the non-occlusion handwriting manipulation extraction device may include an infrared touch frame 2 and a capacitive touch film 4.
In particular, in a virtual synthesized video frame, a plurality of computer frames may be nested, i.e. a plurality of layers of multiple control windows may be different in size, and another touch control device or devices may be required to operate another layer or layers of windows. Because the capacitive touch film has no frame, the capacitive touch film is most suitable to be overlapped in the infrared touch frame, and the virtual synthesized video picture is just like a whole. At this time, the infrared touch frame 2 and the capacitive touch film 4 may be connected to different clients through different data connection lines 3, respectively.
Specifically, the control area of the capacitive touch film and the control area of the infrared touch frame display the superposition effect of the multi-layer window in the final virtual synthesized picture.
In an alternative embodiment of the present utility model, the capacitive touch film 4 may entirely cover the transparent plate 1 as shown in fig. 4, but the touch sensing area may be disposed in a certain area of the transparent plate 1 according to the requirement of the control window, as shown in fig. 5.
In an optional embodiment of the present utility model, the handwriting manipulation extraction device in the virtual writing manipulation board may only include the capacitive touch film 4, where the capacitive touch film 4 may set a corresponding sensing area according to a display position of the writing manipulation device in the virtual composite screen, and the corresponding sensing area is one or more. As shown in fig. 4 and fig. 5, which are views of a capacitive touch film 4, fig. 6 and fig. 7 show views of a capacitive touch film 4 with a plurality of sensing areas, where the capacitive touch film 4 may be connected to different clients through different data connection lines 3. The connection lines 3 in the figure may represent physical connection lines, and also represent the correspondence between the manipulation sensing area and the terminal.
Specifically, the arrangement of the multiple sensing areas of the capacitive touch film can be beneficial to the display of the superposition effect of multiple layers of windows in the final virtual synthesized picture.
In the several embodiments provided by the present utility model, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (10)
1. A virtual writing dashboard, comprising:
the transparent plate is used for writing and/or performing control actions on the surface of the transparent plate, and shooting through the transparent plate by using the camera equipment;
The non-shielding handwriting control extraction device is used for acquiring a writing track and/or a control action track on the transparent plate and generating writing track data and/or control track data; and
The data transmission device is used for transmitting the writing track data and/or the control track data to one or more clients so as to generate corresponding graphics and texts and/or executing corresponding control actions on interfaces on the one or more clients;
Wherein, the non-shielding handwriting control extraction device comprises: an infrared touch frame and/or a capacitive touch film.
2. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The infrared touch frame comprises an infrared receiving tube and an infrared transmitting tube which are arranged along the peripheral edges of the transparent plate.
3. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The capacitive touch film is a transparent film and is adhered to the transparent plate.
4. A virtual writing control panel as recited in claim 3, wherein the capacitive touch film covers the transparent sheet material in whole or in part.
5. A virtual tablet as defined in claim 3, wherein,
The transparent plate comprises two transparent plates, and the capacitive touch film is clamped between the two transparent plates.
6. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The transparent plate and the non-shielding handwriting control extraction device are rectangular.
7. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The transparent plate is a smooth plane plate.
8. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The Mohs hardness of the transparent plate is 5-10, and the surface of the transparent plate is coated with an alkali-resistant, acid-resistant, wear-resistant and ageing-resistant coating film for improving the light transmittance and reducing the reflectivity.
9. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The edge outside of transparent panel is provided with the bordure, the bottom or the both sides of transparent panel are provided with the support.
10. The virtual tablet of claim 1, wherein the virtual tablet is configured to,
The edge of the transparent plate is provided with an illuminating lamp, a loudspeaker and a microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682771.4U CN220829704U (en) | 2023-06-29 | 2023-06-29 | Virtual writing control board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682771.4U CN220829704U (en) | 2023-06-29 | 2023-06-29 | Virtual writing control board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220829704U true CN220829704U (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321682771.4U Active CN220829704U (en) | 2023-06-29 | 2023-06-29 | Virtual writing control board |
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| Country | Link |
|---|---|
| CN (1) | CN220829704U (en) |
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2023
- 2023-06-29 CN CN202321682771.4U patent/CN220829704U/en active Active
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