DE69329350D1 - Halbtonbildaufnahmegerät - Google Patents
HalbtonbildaufnahmegerätInfo
- Publication number
- DE69329350D1 DE69329350D1 DE69329350T DE69329350T DE69329350D1 DE 69329350 D1 DE69329350 D1 DE 69329350D1 DE 69329350 T DE69329350 T DE 69329350T DE 69329350 T DE69329350 T DE 69329350T DE 69329350 D1 DE69329350 D1 DE 69329350D1
- Authority
- DE
- Germany
- Prior art keywords
- halftone
- imager
- halftone imager
- 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
-
- 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
- H04N1/40043—Circuits exciting or modulating particular heads for reproducing continuous tone value scales using more than one type of modulation, e.g. pulse width modulation and amplitude modulation
-
- 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
- H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
-
- 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
- H04N1/40081—Soft dot halftoning, i.e. producing halftone dots with gradual edges
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Dot-Matrix Printers And Others (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP925992A JPH05197242A (ja) | 1992-01-22 | 1992-01-22 | 階調画像記録装置 |
JP13491292A JPH05323733A (ja) | 1992-05-27 | 1992-05-27 | イオン流制御方式の階調画像記録装置 |
JP14580692 | 1992-06-05 | ||
JP20897492A JP3181387B2 (ja) | 1992-08-05 | 1992-08-05 | 容量性負荷用高耐圧駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329350D1 true DE69329350D1 (de) | 2000-10-12 |
DE69329350T2 DE69329350T2 (de) | 2001-05-31 |
Family
ID=27455131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69329350T Expired - Fee Related DE69329350T2 (de) | 1992-01-22 | 1993-01-22 | Halbtonbildaufnahmegerät |
Country Status (4)
Country | Link |
---|---|
US (2) | US5687001A (de) |
EP (2) | EP0552803B1 (de) |
CA (1) | CA2087885C (de) |
DE (1) | DE69329350T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69620204T2 (de) * | 1996-12-23 | 2002-10-24 | Agfa Gevaert Nv | Drucker und Druckverfahren |
JP2001013912A (ja) * | 1999-06-30 | 2001-01-19 | Fujitsu Ltd | 容量性負荷の駆動方法及び駆動回路 |
US6417875B1 (en) * | 2000-11-29 | 2002-07-09 | Xerox Corporation | Adjustable voltage finger driver |
US6404451B1 (en) * | 2000-11-29 | 2002-06-11 | Xerox Corporation | Adjustable voltage finger driver |
CN1248062C (zh) * | 2002-03-29 | 2006-03-29 | 精工爱普生株式会社 | 写入头和使用它的图像形成装置 |
JP4480341B2 (ja) * | 2003-04-10 | 2010-06-16 | 日立プラズマディスプレイ株式会社 | プラズマディスプレイ装置 |
US7206547B2 (en) * | 2003-09-30 | 2007-04-17 | Elektrobit Oy | Method of testing electric circuit, and arrangement |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149183A (en) * | 1976-05-21 | 1979-04-10 | Xerox Corporation | Electronic halftone generator |
US4070600A (en) * | 1976-12-23 | 1978-01-24 | General Electric Company | High voltage driver circuit |
JPS54134547A (en) * | 1978-04-11 | 1979-10-19 | Sony Corp | Mosfet switching circuit |
JPS60175062A (ja) | 1984-02-21 | 1985-09-09 | Nippon Telegr & Teleph Corp <Ntt> | イオン流制御階調記録方法 |
JPS60219071A (ja) * | 1984-04-14 | 1985-11-01 | Nippon Telegr & Teleph Corp <Ntt> | イオン流制御階調記録方法 |
US4679057A (en) * | 1984-11-22 | 1987-07-07 | Minolta Camera Kabushiki Kaisha | Laser recording apparatus |
JPS61154313A (ja) * | 1984-12-27 | 1986-07-14 | Seikosha Co Ltd | 出力インバ−タの貫通電流防止回路 |
JPS61228771A (ja) * | 1985-04-02 | 1986-10-11 | Canon Inc | 画像記録装置 |
NZ218022A (en) * | 1985-10-22 | 1991-01-29 | Fujitsu Ltd | Compensated regulation of light output from semiconductor laser |
JP2505756B2 (ja) * | 1986-07-22 | 1996-06-12 | キヤノン株式会社 | 光学変調素子の駆動法 |
US4841313A (en) * | 1987-06-16 | 1989-06-20 | Delphax Systems | RF driver and control |
US4899344A (en) * | 1987-12-07 | 1990-02-06 | Ricoh Co., Ltd. | Semiconductor laser control apparatus |
JPH01209813A (ja) * | 1988-02-17 | 1989-08-23 | Nec Ic Microcomput Syst Ltd | 出力バッファ回路 |
DE3856011T2 (de) * | 1988-06-07 | 1998-03-12 | Sharp Kk | Verfahren und Einrichtung zum Steuern eines kapazitiven Anzeigegeräts |
JPH02162824A (ja) * | 1988-12-16 | 1990-06-22 | Hitachi Ltd | 半導体集積回路装置 |
US5172132A (en) * | 1990-03-06 | 1992-12-15 | Konica Corporation | Digital image forming device and method for forming an image from a plurality of dots |
US4992807A (en) * | 1990-05-04 | 1991-02-12 | Delphax Systems | Gray scale printhead system |
-
1993
- 1993-01-21 US US08/007,143 patent/US5687001A/en not_active Expired - Fee Related
- 1993-01-22 EP EP93100998A patent/EP0552803B1/de not_active Expired - Lifetime
- 1993-01-22 EP EP99120972A patent/EP0982928A3/de not_active Withdrawn
- 1993-01-22 CA CA002087885A patent/CA2087885C/en not_active Expired - Fee Related
- 1993-01-22 DE DE69329350T patent/DE69329350T2/de not_active Expired - Fee Related
-
1995
- 1995-04-11 US US08/420,308 patent/US5541542A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0982928A2 (de) | 2000-03-01 |
EP0982928A3 (de) | 2000-03-08 |
CA2087885C (en) | 2003-10-28 |
EP0552803A3 (de) | 1994-02-16 |
US5541542A (en) | 1996-07-30 |
CA2087885A1 (en) | 1993-07-23 |
EP0552803B1 (de) | 2000-09-06 |
US5687001A (en) | 1997-11-11 |
DE69329350T2 (de) | 2001-05-31 |
EP0552803A2 (de) | 1993-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |