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High speed photosensing units for high speed image scanning system

A light-sensing element and light-sensing technology, applied in electrical components, TV system scanning details, image communication, etc., to achieve the effect of speeding up image scanning and speeding up

Inactive Publication Date: 2006-02-08
LITE ON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the above problems, the main purpose of the present invention is to provide a high-speed image scanning device for application in high-speed image scanning systems to solve the problems or shortcomings of the known technology

Method used

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  • High speed photosensing units for high speed image scanning system
  • High speed photosensing units for high speed image scanning system
  • High speed photosensing units for high speed image scanning system

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Embodiment Construction

[0046] Regarding the features and actual operation of the present invention, the preferred embodiment is described in detail below in conjunction with the accompanying drawings.

[0047] Please refer to figure 2 , which is a high-speed light sensing element disclosed in the present invention, is used to sense an image light source, wherein the image light source is divided into a plurality of sensing areas, and outputs a plurality of sets of primary color signals corresponding to the sensing areas, including : N groups of light-sensing units (for example, the first group of light-sensing units 201, the second group of light-sensing units 202 to the Nth group of light-sensing units 20N), each of the light-sensing units is used to sense the Sensing area, and output the image data of the light sensing area N groups of primary color signal processing units (such as the first primary color signal processing unit 221, the second primary color signal processing unit 222, the Nth prim...

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Abstract

The invention relates to a high speed optical sensing element which is used for sensing an image light source for a high speed image scanning system. The invention comprises a plurality of units of optical sensing cells, and each optical sensing cell is used for sensing the image of a sensed area and outputting the image data of the sensed area; a plurality of units of self-colored signal processing cells which are used for processing corresponding image data so as to output the corresponding self-colored signals of R, G and B; a plurality of units of registers which are used for storing the self-colored signals of R, G and B outputted by the corresponding self-colored signal processing cells; and an in-phase processing cell which is used for receiving the self-colored signals outputted by the plurality of units of registers and outputting the self-colored signals after synchronizing the plurality of units of self-colored signals.

Description

technical field [0001] The present invention relates to a high-speed light-sensing element, in particular to a high-speed light-sensing element applied to an image scanning device capable of performing high-speed image scanning. Background technique [0002] With the continuous improvement of software and hardware technology of image scanning devices, almost all image scanning devices can have a certain scanning quality (that is, have sufficient resolution), and have long been able to meet the image scanning needs of ordinary people and even professionals. . [0003] A known image scanning system, as shown in FIG. 1 , is composed of a light sensing element 100 , an analog / digital converter 110 , an application-specific processing unit 120 and a memory 130 in its main structure. When image scanning is performed, the photosensitive element 100 is responsible for capturing the analog image light source of the external image first, and then outputs a set of analog signals compo...

Claims

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Application Information

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IPC IPC(8): H04N3/15
Inventor 钟贺闵
Owner LITE ON TECH CORP
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