CN117193620B - Liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment - Google Patents
Liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 41
- 230000035945 sensitivity Effects 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 19
- 230000003993 interaction Effects 0.000 claims abstract description 12
- 238000013441 quality evaluation Methods 0.000 claims abstract description 12
- 238000013178 mathematical model Methods 0.000 claims abstract description 10
- 230000000007 visual effect Effects 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 36
- 230000006641 stabilisation Effects 0.000 claims description 14
- 238000011105 stabilization Methods 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 description 2
- 238000001303 quality assessment method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
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Abstract
The invention relates to the field of handwriting color light energy plates, and discloses a liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment, which comprises a light energy plate area dividing module, a light energy plate data acquisition module, a light energy plate data processing module, an erasing quality evaluation module, an erasing effect judging module and a man-machine interaction module, wherein the handwriting color light energy plate is divided into a plurality of monitoring subareas by a system, pressure parameters, touch parameters and display parameters in each area are acquired, an erasing efficiency stability coefficient, a touch sensitivity coefficient and a display change coefficient are calculated according to a mathematical model corresponding to each parameter, then the erasing effect stability coefficient is calculated according to the obtained coefficient, the erasing effect stability coefficient is compared and analyzed with a preset erasing effect coefficient, and a judging result is transmitted to an operator through a visual interface.
Description
Technical Field
The invention relates to the field of handwriting color light energy plates, in particular to a liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment.
Background
The liquid crystal film local erasing writing board is an electronic writing board capable of realizing repeated erasing by utilizing a liquid crystal technology, compared with traditional paper, the liquid crystal film local erasing writing board can be repeatedly used, a large amount of paper resources are saved, and the liquid crystal film local erasing writing board has the characteristics of environmental protection and energy conservation, and can replace the traditional blackboard and whiteboard in the education field, so that a clearer and more convenient teaching mode is provided, and the local erasing function of the liquid crystal film local erasing writing board is also important.
The existing liquid crystal film local erasing writing board mainly changes the local state of the liquid crystal film by controlling the current of the liquid crystal film so that the liquid crystal film does not display any content in a specific area, thereby realizing the local erasing effect, and the existing Chinese patent CN113076052A discloses a local erasing method of the liquid crystal writing board, which uses a contact type electromagnetic board eraser as an erasing object and uses the shape and the size of the electromagnetic board eraser as references to preset erasing area parameters, thereby judging according to the shape, the size and the pressure sensitivity level of a target area coordinate, rapidly and effectively recognizing the erasing action of the electromagnetic board eraser, having good local erasing practicability, but not considering the influence of the erasing pressure of a user on the erasing effect in practical application, and further having influence on the erasing effect by the sensitivity of the optical energy board.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides an electronic writing device to solve the above-mentioned problems of the background art.
The invention provides the following technical scheme: an electronic writing device comprising:
the light energy plate area dividing module comprises: dividing an area of a color light energy plate to be monitored into n monitoring subareas, which are sequentially marked as 1,2,3, & n, wherein each monitoring subarea is determined as a target monitoring area;
the optical energy plate data acquisition module: the system comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for acquiring pressure parameters, touch parameters and display parameters of the light energy plate when the light energy plate performs local erasing operation;
The optical energy plate data processing module: the system comprises a pressure processing module, a touch processing module and a display processing module, wherein the pressure processing module is used for uploading obtained pressure parameters to an erasure efficiency mathematical model to calculate an erasure efficiency stability coefficient, the touch processing module is used for uploading obtained touch parameters to a touch sensitivity mathematical model to calculate a touch sensitivity coefficient, and the display processing module is used for uploading obtained display parameters to a display variation mathematical model to calculate a display variation coefficient and transmitting obtained data to an erasure quality evaluation module;
And an erasure quality evaluation module: calculating an erasure effect stabilizing coefficient through an erasure effect function model based on the obtained erasure efficiency stabilizing coefficient, the touch sensitivity coefficient and the display change coefficient, and transmitting the obtained data to an erasure effect judging module;
And an erasure effect judging module: and comparing and analyzing the obtained stable coefficient of the erasing effect with a preset coefficient of the erasing effect, and outputting a judging result.
And the man-machine interaction module is used for: and the judgment result of the erasure effect judgment module is transmitted to the operator terminal through the visual interface.
Preferably, the specific obtaining mode of the pressure parameter is as follows:
The surface of a liquid crystal film handwriting board is covered with a pressure sensing layer, a plurality of pressure sensing sensors are arranged in a target monitoring area every S cm, the positions of each sensor are marked as a1, a2, an, the pressure N applied when handwriting operation is realized, the pressure N applied when erasing operation is realized, the erasing area S and the time t required when complete erasing is realized are recorded.
Preferably, the touch parameters include a height H and a width W of the optical energy panel touch screen of the target monitoring area, and a resolution, a capacitance of an erasing position before erasing and a capacitance of an erasing position after erasing, wherein the resolution includes a horizontal pixel amount W and a vertical pixel amount H.
Preferably, the display parameters include brightness, contrast and color accuracy of each area of the light energy plate, and data acquisition is performed through a brightness measuring instrument, a contrast measuring instrument and a color calibrator respectively.
Preferably, the specific calculation process of the erasure efficiency stabilizing coefficient is as follows:
Calculating an erasure pressure correlation coefficient by the formula x=ln n×xs 2, wherein X represents the erasure pressure correlation coefficient, N represents the pressure applied when handwriting operation is realized, s represents the distance between two adjacent pressure sensors, and X is a constant, and the erasure efficiency stability coefficient is calculated by the formula of Wherein r represents an erasure efficiency stabilization factor, S represents an erasure area, N i represents an erasure pressure value recorded by the ith pressure sensor, X represents an erasure pressure correlation factor, N represents the number of pressure sensors, t represents erasure time, and the larger the value of the erasure efficiency stabilization factor is, the shorter the time required for erasure to be completed at a given erasure pressure is, and the higher the efficiency is.
Preferably, the calculation formula of the touch sensitivity coefficient is as followsWhere p represents a touch sensitivity coefficient, W represents a horizontal pixel amount, H represents a vertical pixel amount, c n represents a capacitance of an erasing position before erasing, c 0 represents a capacitance of an erasing position after erasing, D represents measurement accuracy, W represents a high of the optical energy panel touch screen of the target monitoring area, H represents a wide of the optical energy panel touch screen of the target monitoring area, a higher touch sensitivity coefficient represents that the device is more sensitive to touch, requires a lighter touch force or a smaller contact area to recognize and respond, and a lower touch sensitivity coefficient represents that the device is less sensitive to touch, and requires a larger touch force or a larger contact area to recognize and respond.
Preferably, the calculation formula of the display change coefficient of the optical energy plate data processing module is q＝ln(ln-l0)×α1+ln(kn-k0)×α2+ln(jn-j0)×α3,, wherein p represents the display change coefficient, l n,kn and j n represent the brightness, contrast and color accuracy of the target monitoring area before erasure, l 0,k0 and j 0 represent the brightness, contrast and color accuracy of the target monitoring area after erasure, α 1,α2 and α 3 represent the weights of the brightness, contrast and color accuracy, respectively, the display change coefficient reflects the surface display change of the optical energy plate before and after local erasure, and the closer the display change coefficient is to 0, the less ideal erasure effect is indicated, and the residue of writing content exists.
Preferably, the calculation formula of the erasure effectiveness stabilization coefficient is m=e r +ln (p+q), where r represents the erasure effectiveness stabilization coefficient, p represents the touch sensitivity coefficient, q represents the display variation coefficient, and the closer the value of M is to 1, the more ideal the erasure effectiveness is.
Preferably, the specific judging process of the erasing effect judging module is as follows:
Comparing the obtained stable coefficient of the erasing effect with a preset erasing effect coefficient, if the obtained stable coefficient of the erasing effect is higher than the preset erasing effect coefficient, the liquid crystal film is proved to have good local erasing performance when the handwriting color optical energy board is locally erased, and if the obtained stable coefficient of the erasing effect is lower than the preset erasing effect coefficient, the obtained stable coefficient of the erasing effect is proved to be possibly caused by small erasing pressure, short time and optical energy board lines.
The invention has the technical effects and advantages that:
The invention comprises a light energy plate area dividing module, a light energy plate data acquisition module, a light energy plate data processing module, an erasure quality evaluation module, an erasure effect judging module and a man-machine interaction module, wherein the light energy plate is divided into a plurality of monitoring subareas through the light energy plate area dividing module, the partial erasure performance of the whole light energy plate is detected in the later period, the light energy plate data acquisition module acquires pressure parameters, touch parameters and display parameters of the light energy plate during the partial erasure operation, the light energy plate data processing module performs data preprocessing on the obtained pressure parameters, touch parameters and display parameters to obtain an erasure efficiency stability coefficient, a touch sensitivity coefficient and a display change coefficient, the erasure quality evaluation module performs data processing again to obtain an erasure effect stability coefficient, the erasure effect stability coefficient and the set erasure effect coefficient are subjected to comparative analysis through the erasure effect judging module, and finally the man-machine interaction module feeds back the judgment result to an operator through a visual interface to perform man-machine interaction.
Drawings
FIG. 1 is a schematic diagram of a system flow structure according to the present invention.
Detailed Description
The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the liquid crystal film partial erasure handwritten color optical energy plate and the electronic writing device according to the present invention are not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present invention.
The invention provides a liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment, which comprises a light energy plate area dividing module, a light energy plate data acquisition module, a light energy plate data processing module, an erasing quality evaluation module, an erasing effect judging module and a man-machine interaction module.
The optical energy plate area dividing module is connected with the optical energy plate data acquisition module, the optical energy plate data acquisition module is connected with the optical energy plate data processing module, the optical energy plate data processing module is connected with the erasure quality assessment module, the erasure quality assessment module is connected with the erasure effect judging module, and the erasure effect judging module is connected with the man-machine interaction module.
The light energy plate area dividing module is used for dividing an area of a color light energy plate to be monitored into n monitoring subareas, which are sequentially recorded as 1,2,3, n, wherein each monitoring subarea is determined as a target monitoring area;
In this embodiment, it should be specifically explained that the optical energy plate area dividing module divides the color optical energy plate into a plurality of monitoring subareas, which provides convenience for comprehensively detecting the local erasure performance of the color optical energy plate.
The optical energy plate data acquisition module is used for acquiring pressure parameters, touch parameters and display parameters of the optical energy plate when the optical energy plate performs local erasing operation, and transmitting data to the optical energy plate data processing module;
In this embodiment, the specific obtaining manner of the pressure parameter is:
Covering a pressure sensing layer on the surface of a liquid crystal film handwriting board, arranging a plurality of pressure sensing sensors in a target monitoring area every S cm, recording the positions of each sensor as a1, a2, an, recording the pressure N applied when handwriting operation is realized, the pressure N applied when erasure operation is realized, the erasure area S and the time t required when complete erasure is realized;
The touch parameters comprise the height H and the width W of the optical energy panel touch screen of the target monitoring area, and the resolution, the capacitance of the erasing position before erasing and the capacitance of the erasing position after erasing, wherein the resolution comprises a horizontal pixel quantity W and a vertical pixel quantity H;
the display parameters comprise brightness, contrast and color accuracy of each area of the light energy plate, and data acquisition is carried out through a brightness measuring instrument, a contrast measuring instrument and a color calibrating instrument respectively;
The optical energy plate data processing module is used for comprising a pressure processing module, a touch processing module and a display processing module, wherein the pressure processing module is used for uploading the obtained pressure parameters to an erasure efficiency mathematical model to calculate an erasure efficiency stability coefficient, the touch processing module is used for uploading the obtained touch parameters to a touch sensitivity mathematical model to calculate a touch sensitivity coefficient, the display processing module is used for uploading the obtained display parameters to a display variation mathematical model to calculate a display variation coefficient, and the obtained data are transmitted to the erasure quality evaluation module;
In this embodiment, it should be specifically described that, the erasure pressure correlation coefficient is calculated by the formula x=lnn×xs 2, where X represents the erasure pressure correlation coefficient, N represents the pressure applied when implementing handwriting operation, s represents the distance between two adjacent pressure sensors, and X is a constant, the calculation formula of the erasure efficiency stability coefficient is Wherein r represents an erasure efficiency stabilization coefficient, S represents an erasure area, N i represents an erasure pressure value recorded by the ith pressure sensor, X represents an erasure pressure correlation coefficient, N represents the number of pressure sensors, t represents erasure time, and the larger the value of the erasure efficiency stabilization coefficient is, the shorter the time required for completing erasure at a given erasure pressure is, the higher the efficiency is;
The calculation formula of the touch sensitivity coefficient is as follows Where p represents a touch sensitivity coefficient, W represents a horizontal pixel amount, H represents a vertical pixel amount, c n represents a capacitance of an erasing position before erasing, c 0 represents a capacitance of an erasing position after erasing, D represents measurement accuracy, W represents a high of the optical energy panel touch screen of the target monitoring area, H represents a wide of the optical energy panel touch screen of the target monitoring area, a higher touch sensitivity coefficient represents that the device is more sensitive to touch, requires a lighter touch force or a smaller contact area to recognize and respond, and a lower touch sensitivity coefficient represents that the device is less sensitive to touch, and requires a larger touch force or a larger contact area to recognize and respond.
The calculation formula of the display change coefficient of the light energy plate data processing module is q＝ln(ln-l0)×α1+ln(kn-k0)×α2+ln(jn-j0)×α3,, wherein p represents the display change coefficient, l n,kn and j n represent the brightness, contrast and color accuracy of a target monitoring area before erasure, l 0,k0 and j 0 represent the brightness, contrast and color accuracy of a target monitoring area after erasure, alpha 1,α2 and alpha 3 represent the weights of the brightness, contrast and color accuracy, the display change coefficient reflects the surface display change of the light energy plate before and after partial erasure, and the closer the display change coefficient to 0 is, the non-ideal erasing effect is indicated, and the residues of writing content exist.
The erasure quality evaluation module calculates an erasure effect stabilization coefficient through an erasure effect function model based on the obtained erasure efficiency stabilization coefficient, the touch sensitivity coefficient and the display change coefficient, and transmits the obtained data to the erasure effect judgment module;
in this embodiment, it should be specifically described that the calculation formula of the erasure effect stabilization coefficient is m=e r +ln (p+q), where r represents the erasure effect stabilization coefficient, p represents the touch sensitivity coefficient, q represents the display change coefficient, and the closer the value of M is to 1, the more ideal the erasure effect is described.
The erasure effect judging module is used for comparing and analyzing the obtained erasure effect stability coefficient with a preset erasure effect coefficient and outputting a judging result;
in this embodiment, it needs to be specifically described that the specific determining process of the erasing effect determining module is:
Comparing the obtained stable coefficient of the erasing effect with a preset erasing effect coefficient, if the obtained stable coefficient of the erasing effect is higher than the preset erasing effect coefficient, the liquid crystal film is proved to have good local erasing performance when the handwriting color optical energy board is locally erased, and if the obtained stable coefficient of the erasing effect is lower than the preset erasing effect coefficient, the obtained stable coefficient of the erasing effect is proved to be possibly caused by small erasing pressure, short time and optical energy board lines.
The man-machine interaction module is used for transmitting the judging result of the erasing effect judging module to the operator terminal through the visual interface.
The human-computer interaction module enables operators to check the erasing effect of the liquid crystal film when the handwriting color light energy plate is erased locally through the visual interface, so that the detection of the local erasing performance of the light energy plate is more convenient, and the labor cost is saved.
In this embodiment, it should be specifically explained that, the difference between the implementation and the prior art is mainly that the implementation includes a light energy plate area dividing module, a light energy plate data acquisition module, a light energy plate data processing module, an erasure quality evaluation module, an erasure effect judging module and a man-machine interaction module, the light energy plate is divided into a plurality of monitoring subareas by the light energy plate area dividing module, so that the partial erasure performance of the whole light energy plate is detected at a later stage, the light energy plate data acquisition module acquires the pressure parameter, the touch parameter and the display parameter of the light energy plate when the partial erasure operation is performed, the light energy plate data processing module performs data preprocessing on the acquired pressure parameter, touch parameter and display parameter to acquire an erasure efficiency stability coefficient, a touch sensitivity coefficient and a display change coefficient, the erasure quality evaluation module performs data reprocessing on the acquired erasure efficiency stability coefficient, the touch sensitivity coefficient and the display change coefficient to acquire an erasure effect stability coefficient, the erasure effect stability coefficient is compared and analyzed by the erasure effect judging module and the set erasure effect coefficient, and finally the judgment result is fed back to an operator by the man-machine interaction module through a visual interface.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. An electronic writing device characterized by: comprising the following steps:
the light energy plate area dividing module comprises: dividing an area of a color light energy plate to be monitored into n monitoring subareas, which are sequentially marked as 1,2,3, & n, wherein each monitoring subarea is determined as a target monitoring area;
the optical energy plate data acquisition module: the system comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for acquiring pressure parameters, touch parameters and display parameters of the light energy plate when the light energy plate performs local erasing operation;
The optical energy plate data processing module: the system comprises a pressure processing module, a touch processing module and a display processing module, wherein the pressure processing module is used for uploading obtained pressure parameters to an erasure efficiency mathematical model to calculate an erasure efficiency stability coefficient, the touch processing module is used for uploading obtained touch parameters to a touch sensitivity mathematical model to calculate a touch sensitivity coefficient, and the display processing module is used for uploading obtained display parameters to a display variation mathematical model to calculate a display variation coefficient and transmitting obtained data to an erasure quality evaluation module;
And an erasure quality evaluation module: calculating an erasure effect stabilizing coefficient through an erasure effect function model based on the obtained erasure efficiency stabilizing coefficient, the touch sensitivity coefficient and the display change coefficient, and transmitting the obtained data to an erasure effect judging module;
and an erasure effect judging module: comparing and analyzing the obtained stable coefficient of the erasing effect with a preset coefficient of the erasing effect, and outputting a judging result;
and the man-machine interaction module is used for: and the judgment result of the erasure effect judgment module is transmitted to the operator terminal through the visual interface.
2. An electronic writing device as in claim 1 wherein: the specific acquisition mode of the pressure parameter is as follows:
The surface of a liquid crystal film handwriting board is covered with a pressure sensing layer, a plurality of pressure sensing sensors are arranged in a target monitoring area every S cm, the positions of each sensor are recorded as a1, a2, an, the pressure N applied when handwriting operation is realized, the pressure N applied when erasing operation is realized, the erasing area S and the time t required when complete erasing is realized are recorded.
3. An electronic writing device as in claim 1 wherein: the touch parameters comprise the height H and the width W of the optical energy panel touch screen of the target monitoring area, and the resolution, the capacitance of the erasing position before erasing and the capacitance of the erasing position after erasing, wherein the resolution comprises a horizontal pixel quantity W and a vertical pixel quantity H.
4. An electronic writing device as in claim 1 wherein: the display parameters comprise brightness, contrast and color accuracy of each area of the light energy plate, and data acquisition is carried out through a brightness measuring instrument, a contrast measuring instrument and a color calibrating instrument respectively.
5. An electronic writing device as in claim 1 wherein: the specific calculation process of the erasure efficiency stability coefficient is as follows:
Calculating an erasure pressure correlation coefficient by the formula x=lnn×xs 2, wherein X represents the erasure pressure correlation coefficient, N represents the pressure applied when handwriting operation is realized, s represents the distance between two adjacent pressure sensors, X is a constant, and the calculation formula of the erasure efficiency stability coefficient is that Wherein r represents an erasure efficiency stabilization factor, S represents an erasure area, N i represents an erasure pressure value recorded by the ith pressure sensor, X represents an erasure pressure correlation factor, N represents the number of pressure sensors, t represents erasure time, and the larger the value of the erasure efficiency stabilization factor is, the shorter the time required for erasure to be completed at a given erasure pressure is, and the higher the efficiency is.
6. An electronic writing device as in claim 1 wherein: the calculation formula of the touch sensitivity coefficient is as followsWhere p represents a touch sensitivity coefficient, W represents a horizontal pixel amount, H represents a vertical pixel amount, c n represents a capacitance of an erasing position before erasing, c 0 represents a capacitance of an erasing position after erasing, D represents measurement accuracy, W represents a high of the optical energy panel touch screen of the target monitoring area, H represents a wide of the optical energy panel touch screen of the target monitoring area, a higher touch sensitivity coefficient represents that the device is more sensitive to touch, requires a lighter touch force or a smaller contact area to recognize and respond, and a lower touch sensitivity coefficient represents that the device is less sensitive to touch, and requires a larger touch force or a larger contact area to recognize and respond.
7. An electronic writing device as in claim 1 wherein: the calculation formula of the erasing effect stabilization coefficient is M=e r +ln (p+q), wherein r represents the erasing effect stabilization coefficient, p represents the touch sensitivity coefficient, q represents the display change coefficient, and the closer the value of M is to 1, the ideal erasing effect is indicated.
8. An electronic writing device as in claim 1 wherein: the specific judging process of the erasing effect judging module is as follows:
Comparing the obtained stable coefficient of the erasing effect with a preset erasing effect coefficient, if the obtained stable coefficient of the erasing effect is higher than the preset erasing effect coefficient, the liquid crystal film is proved to have good local erasing performance when the handwriting color optical energy board is locally erased, and if the obtained stable coefficient of the erasing effect is lower than the preset erasing effect coefficient, the obtained stable coefficient of the erasing effect is proved to be possibly caused by small erasing pressure, short time and optical energy board lines.
9. The liquid crystal film is used for locally erasing the handwriting color light energy plate, and is characterized in that: an electronic writing device for use in any of claims 1-8.
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| CN202311291672.8A CN117193620B (en) | 2023-10-06 | 2023-10-06 | Liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment |
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| CN202311291672.8A CN117193620B (en) | 2023-10-06 | 2023-10-06 | Liquid crystal film local erasing handwriting color light energy plate and electronic writing equipment |
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| CN117193620B true CN117193620B (en) | 2024-05-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820582A (en) * | 2015-04-28 | 2018-03-20 | 唯酷有限公司 | Liquid crystal writing equipment |
| CN109696764A (en) * | 2017-10-23 | 2019-04-30 | 深圳市鸿合创新信息技术有限责任公司 | It is a kind of can selective erase liquid crystal writing plate and selective erase method |
| CN212515742U (en) * | 2020-07-28 | 2021-02-09 | 深圳中电数码显示有限公司 | Writing board capable of realizing fine erasing |
| CN113076052A (en) * | 2021-04-01 | 2021-07-06 | 深圳市宝立创科技有限公司 | Local erasing method and system for liquid crystal writing board |
| CN113741078A (en) * | 2021-08-24 | 2021-12-03 | 山东蓝贝思特教装集团股份有限公司 | Liquid crystal writing device and method with adjustable local erasing effect |
| WO2023070469A1 (en) * | 2021-10-28 | 2023-05-04 | 京东方科技集团股份有限公司 | Liquid crystal handwriting panel, handwriting device, and control method therefor |
| CN116185214A (en) * | 2021-11-26 | 2023-05-30 | 京东方科技集团股份有限公司 | Erasing tool and handwriting system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9996256B2 (en) * | 2014-06-19 | 2018-06-12 | Fujian Foxit Software Development Joint Stock Co., Ltd. | Method for erasing electronic handwriting on a clipboard |
-
2023
- 2023-10-06 CN CN202311291672.8A patent/CN117193620B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820582A (en) * | 2015-04-28 | 2018-03-20 | 唯酷有限公司 | Liquid crystal writing equipment |
| CN109696764A (en) * | 2017-10-23 | 2019-04-30 | 深圳市鸿合创新信息技术有限责任公司 | It is a kind of can selective erase liquid crystal writing plate and selective erase method |
| CN212515742U (en) * | 2020-07-28 | 2021-02-09 | 深圳中电数码显示有限公司 | Writing board capable of realizing fine erasing |
| CN113076052A (en) * | 2021-04-01 | 2021-07-06 | 深圳市宝立创科技有限公司 | Local erasing method and system for liquid crystal writing board |
| CN113741078A (en) * | 2021-08-24 | 2021-12-03 | 山东蓝贝思特教装集团股份有限公司 | Liquid crystal writing device and method with adjustable local erasing effect |
| WO2023070469A1 (en) * | 2021-10-28 | 2023-05-04 | 京东方科技集团股份有限公司 | Liquid crystal handwriting panel, handwriting device, and control method therefor |
| CN116185214A (en) * | 2021-11-26 | 2023-05-30 | 京东方科技集团股份有限公司 | Erasing tool and handwriting system |
Non-Patent Citations (2)
| Title |
|---|
| Detection of Handwriting Forgery Made with Erasable Pens Using Desorption Electrospray Mass Spectrometry Imaging;Jurisch, M等;《JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY》;20200428;第1000-1003页 * |
| 交互式液晶书写屏交互式电子白板共建交互式教学;郭建梅;《齐齐哈尔师范高等专科学校学报》;20130325;第125-126页 * |
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