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
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
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
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 (https=) | 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 (https=) |
| JP (1) | JPH05284355A (https=) |
| FR (1) | FR2689716A1 (https=) |
Families Citing this family (3)
| 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)
| 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 K.K., Tokio/Tokyo | Bildverarbeitungsgerät |
-
1992
- 1992-04-02 JP JP4080978A patent/JPH05284355A/ja active Pending
-
1993
- 1993-03-26 US US08/038,360 patent/US5369506A/en not_active Expired - Lifetime
- 1993-03-31 FR FR9303780A patent/FR2689716A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2689716A1 (fr) | 1993-10-08 |
| JPH05284355A (ja) | 1993-10-29 |
| US5369506A (en) | 1994-11-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |