DE69832344D1 - Lichtstrahlabtast- und Bilderzeugungsgerät - Google Patents
Lichtstrahlabtast- und BilderzeugungsgerätInfo
- Publication number
- DE69832344D1 DE69832344D1 DE69832344T DE69832344T DE69832344D1 DE 69832344 D1 DE69832344 D1 DE 69832344D1 DE 69832344 T DE69832344 T DE 69832344T DE 69832344 T DE69832344 T DE 69832344T DE 69832344 D1 DE69832344 D1 DE 69832344D1
- Authority
- DE
- Germany
- Prior art keywords
- light beam
- imaging device
- beam scanning
- scanning
- imaging
- 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
- 238000003384 imaging method Methods 0.000 title 1
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
- H04N1/40006—Compensating for the effects of ageing, i.e. changes over time
-
- 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
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
-
- 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
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
-
- 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
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
- Laser Beam Printer (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24531997A JP3936034B2 (ja) | 1997-09-10 | 1997-09-10 | ビーム光走査装置および画像形成装置 |
JP24531997 | 1997-09-10 | ||
JP25735197 | 1997-09-22 | ||
JP25735197A JP3925997B2 (ja) | 1997-09-22 | 1997-09-22 | ビーム光走査装置および画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69832344D1 true DE69832344D1 (de) | 2005-12-22 |
DE69832344T2 DE69832344T2 (de) | 2006-08-03 |
Family
ID=26537178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69832344T Expired - Fee Related DE69832344T2 (de) | 1997-09-10 | 1998-09-06 | Lichtstrahlabtast- und Bilderzeugungsgerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US6411321B2 (de) |
EP (1) | EP0902586B1 (de) |
CN (1) | CN1123202C (de) |
DE (1) | DE69832344T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001150726A (ja) | 1999-11-30 | 2001-06-05 | Ricoh Co Ltd | 光書込装置 |
US6693658B2 (en) | 2001-12-20 | 2004-02-17 | Kabushiki Kaisha Toshiba | Light beam scanning apparatus |
US6838661B2 (en) | 2002-03-08 | 2005-01-04 | Lexmark International, Inc. | Torsion oscillator stabilization including maintaining the amplitude of the oscillator without changing its drive frequency |
US6661444B2 (en) | 2002-04-30 | 2003-12-09 | Kabushiki Kaisha Toshiba | Light beam scanning apparatus |
US6833853B2 (en) * | 2002-11-27 | 2004-12-21 | Kabushiki Kaisha Toshiba | Light beam scanning apparatus and image forming apparatus |
US6987595B2 (en) * | 2002-12-23 | 2006-01-17 | Lexmark International, Inc. | Oscillator imaging with control of media speed and modulation frequency |
US6870560B2 (en) | 2002-12-23 | 2005-03-22 | Lexmark International, Inc. | Bi-directional galvonometric scanning and imaging |
US7321379B2 (en) * | 2002-12-23 | 2008-01-22 | Lexmark International, Inc. | Galvonometric scanning and imaging with multiple beams reflected from an oscillator |
US6956597B2 (en) * | 2002-12-23 | 2005-10-18 | Lexmark International, Inc. | Scanning with multiple oscillating scanners |
US6995357B2 (en) * | 2002-12-23 | 2006-02-07 | Lexmark International, Inc. | Device for determining position and movement of scanning laser beam |
US7064876B2 (en) * | 2003-07-29 | 2006-06-20 | Lexmark International, Inc. | Resonant oscillating scanning device with multiple light sources |
JP4307935B2 (ja) * | 2003-08-28 | 2009-08-05 | 大日本スクリーン製造株式会社 | 画像記録装置 |
US7304411B2 (en) * | 2003-10-20 | 2007-12-04 | Lexmark International, Inc. | Method and apparatus for reducing Q factor in an oscillating laser scanner |
US7158163B2 (en) * | 2004-03-22 | 2007-01-02 | Kabushiki Kaisha Toshiba | Light beam scanning apparatus capable of shortening the standby time and image forming apparatus capable of shortening the standby time |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910009142B1 (ko) * | 1988-08-12 | 1991-10-31 | 가부시기가이샤 히다찌세이사꾸쇼 | 복수 광빔의 주사빔 주사간격을 가변으로 하는 제어수단을 구비한 광빔주사장치 |
JPH0357452A (ja) | 1989-07-27 | 1991-03-12 | Fujitsu Ltd | 剤データの集約方式 |
US5266973A (en) * | 1991-08-23 | 1993-11-30 | Eastman Kodak Company | Methods for measuring laser performance in laser printers |
JPH0876039A (ja) * | 1994-09-08 | 1996-03-22 | Fuji Xerox Co Ltd | マルチビームレーザ記録装置 |
US6069645A (en) * | 1994-10-31 | 2000-05-30 | Hewlett-Packard Company | Method and apparatus for controlling dot size in image forming apparatus having an array of lasers |
US5929897A (en) | 1995-07-12 | 1999-07-27 | Ncr Corporation | Automated distribution of video telephone calls |
JPH09189873A (ja) * | 1995-11-09 | 1997-07-22 | Toshiba Corp | マルチビーム走査方法およびマルチビーム走査装置 |
JPH09193465A (ja) * | 1995-11-16 | 1997-07-29 | Ricoh Co Ltd | 画像記録装置 |
JP3276284B2 (ja) * | 1996-01-12 | 2002-04-22 | 旭光学工業株式会社 | マルチビーム光走査装置 |
JP3154938B2 (ja) | 1996-03-21 | 2001-04-09 | 株式会社東芝 | ビーム光走査装置および画像形成装置 |
JP3172092B2 (ja) | 1996-06-03 | 2001-06-04 | 株式会社東芝 | ビーム光走査装置および画像形成装置 |
JP3239072B2 (ja) | 1996-09-03 | 2001-12-17 | 株式会社東芝 | ビーム光走査装置および画像形成装置 |
JPH1093170A (ja) * | 1996-09-10 | 1998-04-10 | Fuji Xerox Co Ltd | レーザダイオード駆動回路、レーザダイオード駆動用半導体集積回路、および画像記録装置 |
US5750986A (en) * | 1997-01-21 | 1998-05-12 | Xerox Corporation | Multiple laser beam differential intensity and start of scan sensing |
-
1998
- 1998-09-06 EP EP98116797A patent/EP0902586B1/de not_active Expired - Lifetime
- 1998-09-06 DE DE69832344T patent/DE69832344T2/de not_active Expired - Fee Related
- 1998-09-10 US US09/150,705 patent/US6411321B2/en not_active Expired - Lifetime
- 1998-09-10 CN CN98120504.6A patent/CN1123202C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0902586B1 (de) | 2005-11-16 |
US20010043261A1 (en) | 2001-11-22 |
CN1212385A (zh) | 1999-03-31 |
EP0902586A3 (de) | 1999-12-01 |
DE69832344T2 (de) | 2006-08-03 |
CN1123202C (zh) | 2003-10-01 |
US6411321B2 (en) | 2002-06-25 |
EP0902586A2 (de) | 1999-03-17 |
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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 |