FR2689716B1 - - Google Patents

Info

Publication number
FR2689716B1
FR2689716B1 FR9303780A FR9303780A FR2689716B1 FR 2689716 B1 FR2689716 B1 FR 2689716B1 FR 9303780 A FR9303780 A FR 9303780A FR 9303780 A FR9303780 A FR 9303780A FR 2689716 B1 FR2689716 B1 FR 2689716B1
Authority
FR
France
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
FR9303780A
Other versions
FR2689716A1 (fr
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 filed Critical
Publication of FR2689716A1 publication Critical patent/FR2689716A1/fr
Application granted granted Critical
Publication of FR2689716B1 publication Critical patent/FR2689716B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
FR9303780A 1992-04-02 1993-03-31 Agencement de circuit pour corriger une graduation de données d'image, table à utiliser dans ce but et procédé de production de la table. Granted FR2689716A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4080978A JPH05284355A (ja) 1992-04-02 1992-04-02 画像データの濃淡度補正回路

Publications (2)

Publication Number Publication Date
FR2689716A1 FR2689716A1 (fr) 1993-10-08
FR2689716B1 true FR2689716B1 (fr) 1997-02-28

Family

ID=13733599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9303780A Granted FR2689716A1 (fr) 1992-04-02 1993-03-31 Agencement de circuit pour corriger une graduation de données d'image, table à utiliser dans ce but et procédé de production de la table.

Country Status (3)

Country Link
US (1) US5369506A (fr)
JP (1) JPH05284355A (fr)
FR (1) FR2689716A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625716A (en) * 1994-03-15 1997-04-29 Adobe Systems Incorporated Method for compensating for transfer characteristics of a printing system in a halftone screening process
JPH11122486A (ja) * 1997-10-17 1999-04-30 Sharp Corp 画像処理装置
JP2006014016A (ja) * 2004-06-28 2006-01-12 Seiko Epson Corp 自動画像補正回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805013A (en) * 1984-09-05 1989-02-14 Canon Kabushiki Kaisha Image data conversion system
JPS6187471A (ja) * 1984-09-17 1986-05-02 Canon Inc 画像処理システム
DE3752315T2 (de) * 1986-02-14 2000-10-26 Canon Kk Bildverarbeitungsgerät

Also Published As

Publication number Publication date
US5369506A (en) 1994-11-29
JPH05284355A (ja) 1993-10-29
FR2689716A1 (fr) 1993-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse