DE3583957D1 - Ccd-messwertgeberausgangsschaltung fuer bildlesegeraet. - Google Patents

Ccd-messwertgeberausgangsschaltung fuer bildlesegeraet.

Info

Publication number
DE3583957D1
DE3583957D1 DE8585104298T DE3583957T DE3583957D1 DE 3583957 D1 DE3583957 D1 DE 3583957D1 DE 8585104298 T DE8585104298 T DE 8585104298T DE 3583957 T DE3583957 T DE 3583957T DE 3583957 D1 DE3583957 D1 DE 3583957D1
Authority
DE
Germany
Prior art keywords
output circuit
image reader
processor output
ccd processor
ccd
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 - Lifetime
Application number
DE8585104298T
Other languages
English (en)
Inventor
Fumikazu Nagano
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
Application granted granted Critical
Publication of DE3583957D1 publication Critical patent/DE3583957D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
DE8585104298T 1984-04-11 1985-04-09 Ccd-messwertgeberausgangsschaltung fuer bildlesegeraet. Expired - Lifetime DE3583957D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59073562A JPS60216667A (ja) 1984-04-11 1984-04-11 画像読取装置のｃｃｄセンサ出力回路

Publications (1)

Publication Number Publication Date
DE3583957D1 true DE3583957D1 (de) 1991-10-10

Family

ID=13521820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585104298T Expired - Lifetime DE3583957D1 (de) 1984-04-11 1985-04-09 Ccd-messwertgeberausgangsschaltung fuer bildlesegeraet.

Country Status (4)

Country Link
US (1) US4654723A (de)
EP (1) EP0158962B1 (de)
JP (1) JPS60216667A (de)
DE (1) DE3583957D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731661A (en) * 1984-11-16 1988-03-15 Sharp Kabushiki Kaisha Color document reader with white balance adjuster for determining light emission periods for a plurality of different-colored light sources and corresponding integration times for a light sensor by reading a white reference area
JP2556486B2 (ja) * 1986-11-14 1996-11-20 キヤノン株式会社 フィルム読取装置
JPS63166355A (ja) * 1986-12-27 1988-07-09 Sharp Corp 読取り装置
JPS6458161A (en) * 1987-08-28 1989-03-06 Toshiba Corp Facsimile equipment
JPH01146460A (ja) * 1987-12-02 1989-06-08 Sharp Corp 画像読み取り装置
JPH01264360A (ja) * 1988-04-15 1989-10-20 Hitachi Ltd 画像読取装置の制御方法
JPH0267903A (ja) * 1988-09-02 1990-03-07 Canon Inc 光量調節装置
US5267053A (en) * 1988-10-27 1993-11-30 Eastman Kodak Company Automatic reference control for image scanners
US4903144A (en) * 1988-10-27 1990-02-20 Eastman Kodak Company Automatic D.C. offset control for image scanners
FR2657484B1 (fr) * 1990-01-23 1992-05-07 Sagem Appareil optique d'analyse de documents.
JP3130552B2 (ja) * 1990-06-25 2001-01-31 株式会社リコー 画像読取装置
JPH07115495A (ja) * 1993-10-15 1995-05-02 Matsushita Electric Ind Co Ltd 原稿読取装置
JPH08168003A (ja) * 1994-10-13 1996-06-25 Ricoh Co Ltd 画像形成装置
US6295080B1 (en) 1997-03-24 2001-09-25 Konica Corporation Image recording apparatus with print head having plural light emitting elements
WO1999003265A2 (en) * 1997-07-11 1999-01-21 Koninklijke Philips Electronics N.V. Image pick-up apparatus and x-ray examination apparatus including a correction system
US6661545B2 (en) 1998-06-01 2003-12-09 Canon Kabushiki Kaisha Image reading apparatus, and dimming control method and line sensor layout method therefor
US6757084B2 (en) 1998-08-20 2004-06-29 Canon Kabushiki Kaisha Image reading apparatus and control method thereof
JP5957820B2 (ja) * 2011-07-27 2016-07-27 富士ゼロックス株式会社 画像読み取り装置およびプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174528A (en) * 1978-06-30 1979-11-13 International Business Machines Corporation Exposure control for document scanner arrays
JPS5613871A (en) * 1979-07-14 1981-02-10 Nec Corp Automatic shading correction system
US4408231A (en) * 1981-07-31 1983-10-04 International Business Machines Corporation Method and apparatus for calibrating a linear array scanning system

Also Published As

Publication number Publication date
EP0158962B1 (de) 1991-09-04
EP0158962A3 (en) 1988-06-01
JPS60216667A (ja) 1985-10-30
US4654723A (en) 1987-03-31
EP0158962A2 (de) 1985-10-23
JPH0425747B2 (de) 1992-05-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition