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Electronic writing device and system and written handwriting erasing method

An electronic and equipment technology, applied in the field of electronic writing equipment, can solve problems such as partial erasure of handwriting that cannot be written, and achieve the effect of improving user experience

Pending Publication Date: 2021-08-24
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide an electronic writing device, a system and a method for erasing handwriting to solve the problem in the prior art that partial erasing of handwriting in the electronic writing device cannot be achieved

Method used

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  • Electronic writing device and system and written handwriting erasing method
  • Electronic writing device and system and written handwriting erasing method
  • Electronic writing device and system and written handwriting erasing method

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0039] In order to solve the above technical problems, such as Figure 1-Figure 3 As shown, the first aspect of the present application provides an electronic writing system, including: a communication-connected external processing device and an electronic writing device. Exemplarily, the external processing device can be a display of a computer, a tablet computer, or a mobile phone, etc., to The handwriting written by the user in the electronic writing device is displayed synchronously on the display.

[0040] The electronic writing device in the present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments:

[0041] This embodiment provides an electronic writing device, including:

[0042] A cholesteric liquid crystal display component with multiple areas to be written;

[0043] Specifically, the cholesteric liquid crystal display assembly is divided into multiple sub-cholesteric liquid crystal display assembli...

Embodiment 2

[0069] Compared with the electronic writing equipment provided in Embodiment 1, the electronic writing equipment proposed in this embodiment has the following differences: Figure 4 As shown, the cholesteric liquid crystal layer 5 is divided into a plurality of sub-cholesteric liquid crystal layers, and the plurality of sub-cholesteric liquid crystal layers are arranged in an array, and are arranged in one-to-one correspondence with a plurality of areas to be written. The design of this embodiment is adopted , can better realize the separate erasing of each area to be written, so as to improve the local erasing efficiency of the electronic writing device.

Embodiment 3

[0071] Compared with the electronic writing equipment provided in Embodiment 2, the electronic writing equipment proposed in this embodiment has the following differences: Figure 5 As shown, an elastic pressure-sensitive conductive layer 13 is arranged between the cholesteric liquid crystal layer 5 and the second electrode layer 2, and the elastic pressure-sensitive conductive layer 13 is divided into a plurality of sub-elastic pressure-sensitive conductive layers, and a plurality of cholesteric Type liquid crystal layers 5 are set in one-to-one correspondence; in this embodiment, the first electrode layer 1, the cholesteric liquid crystal layer 5, the elastic pressure-sensitive conductive layer 13, the second electrode layer 2 and the Hall element 6 are connected in series; , the elastic pressure-sensitive conductive layer 13 can be a film with pressure-sensitive properties made of a single substance, or a film with pressure-sensitive properties formed by mixing two or more s...

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Abstract

The invention relates to the technical field of electronic writing, in particular to an electronic writing device and system and a written handwriting erasing method. The invention provides an electronic writing device and system and a written handwriting erasing method.The electronic writing device comprises: a cholesteric liquid crystal display assembly having a plurality of to-be-written areas; a plurality of Hall elements which are all arranged on the backlight side of the cholesteric liquid crystal display assembly, wherein the Hall elements are communicated with the to-be-written areas in a one-to-one correspondence mode through a controller; and a writing pen which comprises a writing part and a magnet part, wherein the writing part is used for carrying out touch-press writing on the at least one to-be-written area, and the magnet part is used for being communicated with the Hall element corresponding to the to-be-written area so as to erase writing in the to-be-written area. In conclusion, by adopting the design of the application, the writing in the electronic writing equipment can be locally erased, and the user experience is effectively improved.

Description

technical field [0001] The invention relates to the technical field of electronic writing, in particular to an electronic writing device, system and writing erasing method. Background technique [0002] At present, in the fields of education and business applications, electronic writing devices are more and more widely used, and the performance requirements for electronic writing devices promote the continuous development of electronic writing device technology and the upgrading of products. The first-generation handwriting board is a digital board, and its production equipment is expensive and difficult to master, and the handwriting cannot be precisely controlled; with the rapid development of display technology, the second-generation capacitive screen board was born, which uses the static electricity of the human body to achieve touch operation and touch effect. Sensitive, but the screen touch operation cannot be performed after wearing gloves, even with a professional st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/046G06F3/0354
CPCG06F3/046G06F3/03545
Inventor 王红牟鑫鑫张阳阳郭思佳
Owner BOE TECH GRP CO LTD
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