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Information-reading method of electronic paper

An information reading and electronic paper technology, applied in cathode ray tube indicators, optics, instruments, etc., can solve the problems of insufficient use of electronic paper, large storage capacity of image data, and inability to obtain text information and text information.

Inactive Publication Date: 2010-01-20
BEIJING PAIRUIGEN SCI & TECH DEV
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Problems solved by technology

Existing information reproduction technology does not take full advantage of the characteristics of electronic paper
Moreover, the image data ob

Method used

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  • Information-reading method of electronic paper

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Experimental program
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Embodiment Construction

[0243] Electronic paper is a special paper coated with micro-units (also called pixel units) with electrophoretic or electrowetting properties. These micro-units have the characteristics of changing the optical state under the action of an external electric field, and the optical state After the change, the optical state can still be maintained even if the external electric field is removed. Therefore, the printing of electronic paper is actually to control the magnitude and direction of the external electric field applied to each micro-unit on the electronic paper, so that each micro-unit on the electronic paper exhibits the optical characteristics we need. From another point of view, each micro-unit of electronic paper is equivalent to a pixel. When each pixel presents different optical characteristics, the charge in each micro-unit is in a different position state. If the electric charge of each micro-unit is detected Properties identify the optical properties of each micro...

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Abstract

The invention provides an information-reading method of electronic paper, which reads information of a region which comprises at least one of pixel points in the electronic paper. The method comprises the following steps: firstly, setting a first electrode at the front side of a position corresponding to the each pixel point of the region and setting a second at the back side thereof; secondly, detecting the electrical characteristics between the first electrode and the second electrode; thirdly, identifying a status data of the corresponding pixel points according to the electrical characteristics; and fourthly, obtaining the status data of the each pixel point of the region. The method effectively reads the information on the electronized electronic paper, so as to copy the information of the electronic paper to traditional paper or the other electronic paper, further convert the information to a bitmap image file or a text file to be memorized, and electronize the obtained bitmap image file or the text file to new electronic paper, or print the obtained bitmap image file or text file on traditional paper.

Description

technical field [0001] The invention relates to an information reading method of electronic paper, in particular to a method for reading information presented by electronic paper that has been digitized. Background technique [0002] The movable type printing invented by China is a major invention in ancient China. Its invention, development and spread to the world have made great contributions to human civilization. Modern laser printing and electronic typesetting printing make it easier for people to print text and patterns on paper. However, since the documents or data information obtained by these printing methods cannot be changed, a large amount of paper needs to be produced. Moreover, the used toner or printing ink for printing is still relatively large for environmental pollution. [0003] With the development of modern electronic technology, people have proposed various concepts of electronic paper, that is, paper that can update the content, such as E-ink's elec...

Claims

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Application Information

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IPC IPC(8): G02F1/167G09G5/00G09F9/37
Inventor 须清
Owner BEIJING PAIRUIGEN SCI & TECH DEV