DE69228508D1 - Elektrophotographisches Farbgerät - Google Patents
Elektrophotographisches FarbgerätInfo
- Publication number
- DE69228508D1 DE69228508D1 DE69228508T DE69228508T DE69228508D1 DE 69228508 D1 DE69228508 D1 DE 69228508D1 DE 69228508 T DE69228508 T DE 69228508T DE 69228508 T DE69228508 T DE 69228508T DE 69228508 D1 DE69228508 D1 DE 69228508D1
- Authority
- DE
- Germany
- Prior art keywords
- color electrophotographic
- electrophotographic device
- color
- electrophotographic
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Color Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19318691 | 1991-08-01 | ||
JP03304160A JP3119276B2 (ja) | 1991-08-01 | 1991-10-23 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69228508D1 true DE69228508D1 (de) | 1999-04-08 |
DE69228508T2 DE69228508T2 (de) | 1999-08-12 |
Family
ID=26507740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992628508 Expired - Fee Related DE69228508T2 (de) | 1991-08-01 | 1992-07-31 | Elektrophotographisches Farbgerät |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0526238B1 (de) |
DE (1) | DE69228508T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2106706C (en) * | 1992-09-28 | 1999-07-27 | Rie Saito | Image forming method and apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57130063A (en) * | 1981-02-06 | 1982-08-12 | Canon Inc | Electrostatic recorder |
EP0276112B1 (de) * | 1987-01-19 | 1993-03-31 | Canon Kabushiki Kaisha | Bilderzeugungseinrichtung |
US4989039A (en) * | 1987-01-19 | 1991-01-29 | Canon Kabushiki Kaisha | Image forming apparatus responsive to environmental conditions |
JPS63303373A (ja) * | 1987-06-03 | 1988-12-09 | Konica Corp | カラ−画像形成装置 |
JP3066899B2 (ja) * | 1988-09-20 | 2000-07-17 | キヤノン株式会社 | 画像処理装置 |
JP2886169B2 (ja) * | 1988-11-25 | 1999-04-26 | 石原産業株式会社 | カラー電子写真方法 |
EP0426435B1 (de) * | 1989-10-31 | 1997-01-15 | Canon Kabushiki Kaisha | Bilderzeugungsgerät zur Halbtonwiedergabe |
EP0628887A3 (de) * | 1991-02-22 | 1995-07-19 | Canon Kk | Bilderzeugungsgerät. |
-
1992
- 1992-07-31 EP EP19920307008 patent/EP0526238B1/de not_active Expired - Lifetime
- 1992-07-31 DE DE1992628508 patent/DE69228508T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69228508T2 (de) | 1999-08-12 |
EP0526238B1 (de) | 1999-03-03 |
EP0526238A2 (de) | 1993-02-03 |
EP0526238A3 (en) | 1993-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |