DE3584912D1 - Farbbildlesevorrichtung. - Google Patents
Farbbildlesevorrichtung.Info
- Publication number
- DE3584912D1 DE3584912D1 DE8585107255T DE3584912T DE3584912D1 DE 3584912 D1 DE3584912 D1 DE 3584912D1 DE 8585107255 T DE8585107255 T DE 8585107255T DE 3584912 T DE3584912 T DE 3584912T DE 3584912 D1 DE3584912 D1 DE 3584912D1
- Authority
- DE
- Germany
- Prior art keywords
- color image
- image reader
- reader
- color
- 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 - Lifetime
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
- H04N1/46—Colour picture communication systems
- H04N1/48—Picture signal generators
- H04N1/482—Picture signal generators using the same detector device sequentially for different colour components
- H04N1/484—Picture signal generators using the same detector device sequentially for different colour components with sequential colour illumination of the original
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59124203A JPS613143A (ja) | 1984-06-15 | 1984-06-15 | カラ−読み取り装置 |
JP59124202A JPS613557A (ja) | 1984-06-15 | 1984-06-15 | 螢光灯を光源とする読み取り装置 |
JP16371384A JPS6141270A (ja) | 1984-08-02 | 1984-08-02 | カラ−画像読取装置 |
JP59175353A JPS6153871A (ja) | 1984-08-22 | 1984-08-22 | 螢光灯点滅回路 |
JP59254580A JPS61131960A (ja) | 1984-11-30 | 1984-11-30 | カラ−画像読取装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3584912D1 true DE3584912D1 (de) | 1992-01-30 |
Family
ID=27527017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585107255T Expired - Lifetime DE3584912D1 (de) | 1984-06-15 | 1985-06-12 | Farbbildlesevorrichtung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4642679A (de) |
EP (1) | EP0165550B1 (de) |
DE (1) | DE3584912D1 (de) |
Families Citing this family (19)
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 |
JPS6291068A (ja) * | 1985-10-17 | 1987-04-25 | Canon Inc | カラ−原稿読取り装置 |
JPS63283355A (ja) * | 1987-05-15 | 1988-11-21 | Dainippon Screen Mfg Co Ltd | 垂直光入射型画像読取装置 |
US4737857A (en) * | 1987-06-01 | 1988-04-12 | American Telephone And Telegraph Company | Overhead document scanner lighting and scanning apparatus |
US4814630A (en) * | 1987-06-29 | 1989-03-21 | Ncr Corporation | Document illuminating apparatus using light sources A, B, and C in periodic arrays |
US4899224A (en) * | 1987-07-03 | 1990-02-06 | Nippon Telegraph And Telephone Corporation | Recording apparatus and method utilizing an array of liquid crystal cells |
KR920005856B1 (ko) * | 1988-04-25 | 1992-07-23 | 소니 가부시기가이샤 | 컬러화상 독해장치 |
JPH0249345A (ja) * | 1988-05-16 | 1990-02-19 | Seiko Epson Corp | 希ガス冷陰極放電管、及び画像入力装置 |
US5258857A (en) * | 1988-05-16 | 1993-11-02 | Seiko Epson Corporation | Image input device and method for reading a picture image |
US4922298A (en) * | 1988-06-06 | 1990-05-01 | Xerox Corporation | Automatic color separation system |
JPH02145085A (ja) * | 1988-11-25 | 1990-06-04 | Fuji Xerox Co Ltd | フィルム画像読取装置 |
US5295003A (en) * | 1991-03-13 | 1994-03-15 | Lee Aldric K | Color conversion system for monochromatic optical scanner |
JP3406140B2 (ja) * | 1996-01-18 | 2003-05-12 | シャープ株式会社 | カラー画像読み取り装置 |
JP3535660B2 (ja) * | 1996-06-28 | 2004-06-07 | キヤノン株式会社 | 画像読取り装置および画像読取り方法 |
US6661545B2 (en) * | 1998-06-01 | 2003-12-09 | Canon Kabushiki Kaisha | Image reading apparatus, and dimming control method and line sensor layout method therefor |
JP2000032236A (ja) * | 1998-07-14 | 2000-01-28 | Canon Inc | 画像読取り装置および画像読取り方法 |
US6757084B2 (en) | 1998-08-20 | 2004-06-29 | Canon Kabushiki Kaisha | Image reading apparatus and control method thereof |
US7746517B2 (en) * | 2007-01-25 | 2010-06-29 | Lexmark International, Inc. | Image illumination and capture in a scanning device |
US7893394B2 (en) * | 2007-11-06 | 2011-02-22 | Ricoh Company Limited | Optical device, image reading device, and filter manufacturing method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530215A (en) * | 1978-08-25 | 1980-03-04 | Ricoh Co Ltd | Color picture reader |
JPS5530214A (en) * | 1978-08-25 | 1980-03-04 | Ricoh Co Ltd | Color picture read method |
US4318122A (en) * | 1980-10-06 | 1982-03-02 | International Business Machines Corporation | Electronic color separation |
-
1985
- 1985-06-12 DE DE8585107255T patent/DE3584912D1/de not_active Expired - Lifetime
- 1985-06-12 EP EP85107255A patent/EP0165550B1/de not_active Expired
- 1985-06-13 US US06/744,474 patent/US4642679A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4642679A (en) | 1987-02-10 |
EP0165550B1 (de) | 1991-12-18 |
EP0165550A3 (en) | 1988-08-24 |
EP0165550A2 (de) | 1985-12-27 |
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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 |