DE69215038D1 - Abbildungsgerät - Google Patents
AbbildungsgerätInfo
- Publication number
- DE69215038D1 DE69215038D1 DE69215038T DE69215038T DE69215038D1 DE 69215038 D1 DE69215038 D1 DE 69215038D1 DE 69215038 T DE69215038 T DE 69215038T DE 69215038 T DE69215038 T DE 69215038T DE 69215038 D1 DE69215038 D1 DE 69215038D1
- Authority
- DE
- Germany
- Prior art keywords
- imaging device
- 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
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
- H04N1/56—Processing of colour picture signals
- H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
-
- 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
- H04N1/52—Circuits or arrangements for halftone screening
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03209530A JP3103987B2 (ja) | 1991-08-21 | 1991-08-21 | カラー画像形成装置 |
JP24337991A JP3177782B2 (ja) | 1991-09-24 | 1991-09-24 | カラー画像形成装置 |
JP3267837A JP3066775B2 (ja) | 1991-10-16 | 1991-10-16 | カラー画像形成装置 |
JP3291543A JPH05130387A (ja) | 1991-11-07 | 1991-11-07 | 画像形成装置 |
JP3330737A JPH05167811A (ja) | 1991-12-13 | 1991-12-13 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69215038D1 true DE69215038D1 (de) | 1996-12-12 |
DE69215038T2 DE69215038T2 (de) | 1997-04-10 |
Family
ID=27529481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69215038T Expired - Fee Related DE69215038T2 (de) | 1991-08-21 | 1992-08-10 | Abbildungsgerät |
Country Status (3)
Country | Link |
---|---|
US (2) | US5432611A (de) |
EP (1) | EP0528618B1 (de) |
DE (1) | DE69215038T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69132230T2 (de) * | 1990-01-19 | 2000-11-09 | Canon Kk | Farbbildverarbeitungsanordnung |
DE69114581T2 (de) * | 1990-06-27 | 1996-03-28 | Konishiroku Photo Ind | Vorrichtung zur Bilderzeugung. |
EP0564868A3 (en) * | 1992-04-06 | 1993-11-10 | Konishiroku Photo Ind | Image forming apparatus |
JP3471832B2 (ja) * | 1992-11-06 | 2003-12-02 | キヤノン株式会社 | 画像形成装置及び方法 |
US5677725A (en) * | 1993-02-25 | 1997-10-14 | Canon Kabushiki Kaisha | Image forming apparatus and method performing a halftone image by pulse-width modulation |
JPH0725064A (ja) * | 1993-07-07 | 1995-01-27 | Nec Corp | 電子写真プリンタの画像形成装置 |
US6020908A (en) * | 1994-09-15 | 2000-02-01 | Apple Computer, Inc. | Method and structure for modulation in a laser printer |
JP3119150B2 (ja) * | 1995-02-02 | 2000-12-18 | 富士ゼロックス株式会社 | 画像処理装置および画像処理方法 |
US6128099A (en) * | 1995-06-08 | 2000-10-03 | Delabastita; Paul A. | Halftone screen generator, halftone screen and method for generating same |
JP3223803B2 (ja) * | 1995-08-23 | 2001-10-29 | 富士ゼロックス株式会社 | 画像処理装置 |
US5802212A (en) * | 1996-02-09 | 1998-09-01 | Seiko Epson Corporation | Clustered-dot dither with white-fleck suppression |
JPH09238261A (ja) * | 1996-02-28 | 1997-09-09 | Minolta Co Ltd | 画像形成装置 |
JPH09240031A (ja) * | 1996-03-06 | 1997-09-16 | Fuji Photo Film Co Ltd | 階調画像記録方法 |
US5946454A (en) * | 1996-08-15 | 1999-08-31 | Seiko Epson Corporation | Image enhancement during half-toning using low-pass and high-pass filtering |
US6633412B1 (en) * | 1999-03-26 | 2003-10-14 | Seiko Epson Corporation | Smoothness enhancement in laser printing through periodic modulation of halftone cell |
CN1264121C (zh) * | 2000-09-20 | 2006-07-12 | Nik软件公司 | 数字图象锐化系统 |
JP3927388B2 (ja) * | 2000-09-27 | 2007-06-06 | 株式会社リコー | 画像処理装置、画像処理方法及び記録媒体 |
US6933856B2 (en) * | 2001-08-02 | 2005-08-23 | Halliburton Energy Services, Inc. | Adaptive acoustic transmitter controller apparatus and method |
US7355757B2 (en) * | 2002-10-01 | 2008-04-08 | Seiko Epson Corporation | Fast edge reconstruction with upscaling for pulse width modulation rendering |
US7623142B2 (en) * | 2004-09-14 | 2009-11-24 | Hewlett-Packard Development Company, L.P. | Flexure |
US20070216752A1 (en) * | 2006-03-15 | 2007-09-20 | Kabushiki Kaisha Toshiba | Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method |
JP4600352B2 (ja) * | 2006-05-25 | 2010-12-15 | 富士ゼロックス株式会社 | 画像処理装置、画像形成装置および画像処理方法 |
US7755654B2 (en) * | 2006-07-25 | 2010-07-13 | Hewlett-Packard Development Company, L.P. | Pixel |
JP4894488B2 (ja) * | 2006-12-06 | 2012-03-14 | 富士ゼロックス株式会社 | 画像処理装置および画像処理方法 |
CN102109753A (zh) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业(深圳)有限公司 | 自动检测镜头方法 |
JP6390174B2 (ja) * | 2014-06-03 | 2018-09-19 | ブラザー工業株式会社 | 露光装置および画像形成装置 |
JP6424548B2 (ja) | 2014-09-30 | 2018-11-21 | ブラザー工業株式会社 | 露光装置および画像形成装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2386213A1 (fr) * | 1977-03-31 | 1978-10-27 | Ibm | Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere |
JPS5563173A (en) * | 1978-11-06 | 1980-05-13 | Ricoh Co Ltd | Picture signal processing system |
JPS61290865A (ja) * | 1985-06-19 | 1986-12-20 | Ricoh Co Ltd | 中間調デジタル画像処理装置 |
DE3689216T2 (de) * | 1985-08-20 | 1994-03-03 | Canon Kk | Bildverarbeitungsgerät. |
US4782398A (en) * | 1986-02-14 | 1988-11-01 | Canon Kabushiki Kaisha | Image processing apparatus |
DE3752315T2 (de) * | 1986-02-14 | 2000-10-26 | Canon Kk | Bildverarbeitungsgerät |
US4868684A (en) * | 1986-04-03 | 1989-09-19 | Canon Kabushiki Kaisha | Image processing apparatus |
JP2589295B2 (ja) * | 1986-11-14 | 1997-03-12 | キヤノン株式会社 | 画像形成装置 |
DE68916661T2 (de) * | 1988-02-05 | 1994-11-10 | Dainippon Screen Mfg | Bildschärfeverbesserungsverfahren und -prozessor für Bildreproduktion mit Abtaster. |
US5253082A (en) * | 1988-03-10 | 1993-10-12 | Canon Kabushiki Kaisha | Image forming apparatus |
US5081528A (en) * | 1988-03-10 | 1992-01-14 | Canon Kabushiki Kaisha | Image forming apparatus |
JPH0683373B2 (ja) * | 1988-12-09 | 1994-10-19 | 大日本スクリーン製造株式会社 | 基準濃度点の設定方法 |
US5117293A (en) * | 1989-11-28 | 1992-05-26 | Dainippon Screen Mfg. Co. Ltd. | Method of and apparatus for generating conversion curve employable for converting reproduction characteristic of image |
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 |
US5050000A (en) * | 1990-05-21 | 1991-09-17 | Eastman Kodak Company | Error diffusion of subcells in digital halftoning |
US5337167A (en) * | 1991-04-03 | 1994-08-09 | Matsushita Electric Industrial Co., Ltd. | Halftone image forming apparatus including density based dot enlargement |
US5265196A (en) * | 1991-08-30 | 1993-11-23 | Konica Corporation | Image forming apparatus |
-
1992
- 1992-08-10 DE DE69215038T patent/DE69215038T2/de not_active Expired - Fee Related
- 1992-08-10 EP EP92307306A patent/EP0528618B1/de not_active Expired - Lifetime
- 1992-08-11 US US07/928,280 patent/US5432611A/en not_active Expired - Fee Related
-
1995
- 1995-03-16 US US08/405,307 patent/US5473440A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5473440A (en) | 1995-12-05 |
DE69215038T2 (de) | 1997-04-10 |
US5432611A (en) | 1995-07-11 |
EP0528618A3 (en) | 1993-03-17 |
EP0528618B1 (de) | 1996-11-06 |
EP0528618A2 (de) | 1993-02-24 |
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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 |