Unlock instant, AI-driven research and patent intelligence for your innovation.

Method of driving CCD color image sensor and apparatus for inputting color image

A color image and sensor technology, applied in the field of color image input devices, can solve the problems of increased manufacturing cost, complex structure and the like

Inactive Publication Date: 2004-12-01
SEIKO EPSON CORP
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the CCD color image sensor 200 of the related art, the photoelectric conversion unit group 204 of each color is equipped with a shutter 210 and a discharge device 212 for discarding unnecessary charges, thus causing a complex structure and an increase in manufacturing cost.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method of driving CCD color image sensor and apparatus for inputting color image
  • Method of driving CCD color image sensor and apparatus for inputting color image
  • Method of driving CCD color image sensor and apparatus for inputting color image

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] Embodiments embodying the implementation modes of the present invention will be described below with reference to the accompanying drawings.

[0029] figure 2 Shown is a schematic structural diagram of an image scanner 10 according to an embodiment of the color image input device of the present invention. The image scanner is a flatbed image scanner including a document table 14 on top of a casing 12 .

[0030]The document table 14 is made of a transparent plate such as a glass plate, and the document M is placed on the plate surface of the document table 14 . A document scale 16 for positioning the document M on the plate surface of the document plate 14 is placed on the edge of the document table 14 .

[0031] The optical system 30 is composed of a transparent document light source 38 , a reflective document light source 32 , a reflection mirror 34 , a condenser lens 36 and the like. The transparent document light source 38 is a surface light source device. The r...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A drive method of a CCD color image sensor for realizing an electronic shutter function with the signal charge accumulation time varying from one color to another according to a simple structure is provided. Unnecessary charges occurring in photoelectric conversion element groups of colors are transferred in shift registers in the time period in which signal charges are accumulated in the photoelectric conversion element groups of at least colors of R, G, and B (t2 H04N 1 / 028 14 12 0 2002 / 9 / 13 1552154 2004 / 12 / 1 1319364 2007 / 5 / 30 2007 / 5 / 30 2007 / 5 / 30 Seiko Epson Corp. Japan Kanesaka Yoshinori wang xinhua 11021 The Patent Agency of the Chinese Academy of Sciences Inside the Chinese Academy of Sciences, No.52 Sanlihe Road, Fuwai, Beijing 100864 Japan 2001 / 9 / 13 278263 / 2001 Japan 2001 / 12 / 11 377168 / 2001 2004 / 3 / 3 PCT / JP2002 / 009483 2002 / 9 / 13 WO2003 / 026276 2003 / 3 / 27 Japanese

Description

technical field [0001] The invention relates to a driving method of a CCD color image sensor and a color image input device. Background technique [0002] Hitherto, image sensors that output electrical signals by performing photoelectric conversion in response to light and brightness of an optical image have been widely used as image pickup devices. As a type of image sensor, a CCD color image sensor is known. The CCD color image sensor includes a photoelectric conversion unit and a shift register. The photoelectric conversion unit is equipped with predetermined color filters such as R (red), G (green), and B (blue), receives light passing through these filters, and accumulates electric charges corresponding to the amount of received light. When the shift gate is opened, the charge generated in each photoelectric conversion unit is transferred to the shift register, and the shift register outputs the charge to the CCD output section. [0003] Incidentally, a CCD color ima...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/148H01L27/14H04N1/028H04N23/12H04N25/00
CPCH04N9/045H04N5/3537H04N5/3692H04N25/534H04N25/701H04N25/70H04N23/84H04N25/11
Inventor 金坂芳则
Owner SEIKO EPSON CORP