DE69118236D1 - Bildlesegerät - Google Patents

Bildlesegerät

Info

Publication number
DE69118236D1
DE69118236D1 DE69118236T DE69118236T DE69118236D1 DE 69118236 D1 DE69118236 D1 DE 69118236D1 DE 69118236 T DE69118236 T DE 69118236T DE 69118236 T DE69118236 T DE 69118236T DE 69118236 D1 DE69118236 D1 DE 69118236D1
Authority
DE
Germany
Prior art keywords
image reader
reader
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69118236T
Other languages
English (en)
Other versions
DE69118236T2 (de
Inventor
Fumikazu Nagano
Seiichi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE69118236D1 publication Critical patent/DE69118236D1/de
Application granted granted Critical
Publication of DE69118236T2 publication Critical patent/DE69118236T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
    • H04N25/626—Reduction of noise due to residual charges remaining after image readout, e.g. to remove ghost images or afterimages

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
DE69118236T 1990-05-08 1991-05-07 Bildlesegerät Expired - Fee Related DE69118236T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2118017A JPH0414365A (ja) 1990-05-08 1990-05-08 固体撮像装置

Publications (2)

Publication Number Publication Date
DE69118236D1 true DE69118236D1 (de) 1996-05-02
DE69118236T2 DE69118236T2 (de) 1996-10-31

Family

ID=14726002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118236T Expired - Fee Related DE69118236T2 (de) 1990-05-08 1991-05-07 Bildlesegerät

Country Status (4)

Country Link
EP (1) EP0456451B1 (de)
JP (1) JPH0414365A (de)
CA (1) CA2041733A1 (de)
DE (1) DE69118236T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2910806B2 (ja) * 1992-06-15 1999-06-23 松下電送 株式会社 画像読取装置
JPH0646195A (ja) * 1992-07-27 1994-02-18 Nikon Corp リニアイメージセンサの残像低減装置
JP3431995B2 (ja) * 1993-06-03 2003-07-28 キヤノン株式会社 撮像装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507684A (en) * 1983-03-07 1985-03-26 Rca Corporation Reducing grain in multi-phase-clocked CCD imagers
JPS60214154A (ja) * 1984-04-09 1985-10-26 Sharp Corp 画像読取装置
US4771333A (en) * 1987-06-15 1988-09-13 Xerox Corporation System for minimizing residual charge carryover in an asynchronous raster input scanner

Also Published As

Publication number Publication date
EP0456451A2 (de) 1991-11-13
DE69118236T2 (de) 1996-10-31
EP0456451B1 (de) 1996-03-27
CA2041733A1 (en) 1991-11-09
JPH0414365A (ja) 1992-01-20
EP0456451A3 (en) 1992-12-09

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee