Information reading device of electronic paper
An information reading and electronic paper technology, applied in the field of electronic paper information reading equipment, can solve the problems of not fully utilizing electronic paper, image data occupying a large amount of storage, unable to obtain text information and text information, etc.
Inactive Publication Date: 2010-01-13
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 obtained by the traditional camera method occupies a large amount of storage, and the text information of the text information cannot be obtained.
Method used
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[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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The invention provides an information reading device of electronic paper, which comprises a first grid array electrode, a second grid array electrode, a detection circuit array and an information processing circuit, wherein the first grid array electrode comprises first microelectrodes in the same quantity of the pixel points of the electronic paper; the second grid array electrode comprises second microelectrodes in the same quantity of the pixel points of the electronic paper; the detection circuit array comprises electrical characteristic detection circuits in the same quantity of the pixel points of the electronic paper; the electrical characteristic detection circuits detect electrical characteristic parameter values between the first microelectrodes and the corresponding second microelectrodes; the detection circuit array is connected with the information processing circuit; and the information processing circuit analyzes and identifies the state data of each pixel point according to the electrical characteristic parameter values. The technology can effectively read electronic information on the electronic paper to further copy the electronic information on the electronic paper to the traditional paper or other electronic paper and can further convert the electronic information into lattice image files or text files for storage.
Description
technical field [0001] The present invention relates to an information reading device for electronic paper, in particular to a device 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-i...
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Login to View More IPC IPC(8): G02F1/167G09G5/00G09F9/37
Inventor 须清
Owner BEIJING PAIRUIGEN SCI & TECH DEV