DK0514504T3 - Fremgangsmåde til printning - Google Patents
Fremgangsmåde til printningInfo
- Publication number
- DK0514504T3 DK0514504T3 DK91918703.9T DK91918703T DK0514504T3 DK 0514504 T3 DK0514504 T3 DK 0514504T3 DK 91918703 T DK91918703 T DK 91918703T DK 0514504 T3 DK0514504 T3 DK 0514504T3
- Authority
- DK
- Denmark
- Prior art keywords
- hardcopy
- pels
- area modulation
- pixel
- printing
- Prior art date
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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Laser Beam Printer (AREA)
- Glass Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Photoreceptors In Electrophotography (AREA)
- Printing Methods (AREA)
- Confectionery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Electronic Switches (AREA)
- Facsimile Scanning Arrangements (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61663390A | 1990-11-21 | 1990-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0514504T3 true DK0514504T3 (da) | 1997-06-23 |
Family
ID=24470341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91918703.9T DK0514504T3 (da) | 1990-11-21 | 1991-09-23 | Fremgangsmåde til printning |
Country Status (10)
Country | Link |
---|---|
US (1) | US5369497A (da) |
EP (1) | EP0514504B1 (da) |
JP (1) | JP2651493B2 (da) |
KR (1) | KR960014312B1 (da) |
AT (1) | ATE152310T1 (da) |
AU (1) | AU642790B2 (da) |
DE (1) | DE69125826T2 (da) |
DK (1) | DK0514504T3 (da) |
ES (1) | ES2103829T3 (da) |
WO (2) | WO1992010054A1 (da) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5904652A (en) * | 1995-06-29 | 1999-05-18 | Teratech Corporation | Ultrasound scan conversion with spatial dithering |
US6248073B1 (en) | 1995-06-29 | 2001-06-19 | Teratech Corporation | Ultrasound scan conversion with spatial dithering |
US6031560A (en) * | 1996-04-18 | 2000-02-29 | Eastman Kodak Company | High resolution medical diagnostic laser printer |
US5864362A (en) * | 1996-08-27 | 1999-01-26 | Hewlett-Packard Company | High speed scanner for reading latent images in storage phosphors |
US6170390B1 (en) * | 1998-12-21 | 2001-01-09 | Alan L. Backus | Enclosed rotisserie with added convenience |
JP2000332993A (ja) * | 1999-05-17 | 2000-11-30 | Fuji Photo Film Co Ltd | 画像記録装置 |
US7327380B2 (en) * | 2003-01-31 | 2008-02-05 | Eastman Kodak Company | Apparatus for printing a multibit image |
JP5661557B2 (ja) * | 2010-06-02 | 2015-01-28 | 株式会社東芝 | 画像階調処理装置、画像形成装置、画像階調処理方法 |
US9906838B2 (en) | 2010-07-12 | 2018-02-27 | Time Warner Cable Enterprises Llc | Apparatus and methods for content delivery and message exchange across multiple content delivery networks |
US9186793B1 (en) | 2012-08-31 | 2015-11-17 | Brain Corporation | Apparatus and methods for controlling attention of a robot |
KR20140099760A (ko) * | 2013-02-04 | 2014-08-13 | 삼성전자주식회사 | 단말기의 화면 제어 방법 및 장치 |
US9987743B2 (en) | 2014-03-13 | 2018-06-05 | Brain Corporation | Trainable modular robotic apparatus and methods |
US9533413B2 (en) | 2014-03-13 | 2017-01-03 | Brain Corporation | Trainable modular robotic apparatus and methods |
US9426946B2 (en) | 2014-12-02 | 2016-08-30 | Brain Corporation | Computerized learning landscaping apparatus and methods |
US10326909B2 (en) * | 2015-04-10 | 2019-06-18 | Hp Indigo B.V. | Selecting colorant amount for printing |
US9840003B2 (en) | 2015-06-24 | 2017-12-12 | Brain Corporation | Apparatus and methods for safe navigation of robotic devices |
Family Cites Families (74)
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US3646262A (en) * | 1968-03-25 | 1972-02-29 | Printing Dev Inc | Electronic reproduction of continuous image with controlled modification of image reproduction |
US3465199A (en) * | 1968-11-26 | 1969-09-02 | Rca Corp | Electronic halftone image generator |
DE2262824C3 (de) * | 1972-12-22 | 1975-07-10 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zur gerasterten Reproduktion farbiger Halbtonbilder im Ein- oder Mehrfarbendruck |
US3961132A (en) * | 1974-07-15 | 1976-06-01 | Log Etronics Inc. | Sequential image-modulated dot-area recording |
US4051536A (en) * | 1975-03-14 | 1977-09-27 | Xerox Corporation | Electronic halftone imaging system |
US4075663A (en) * | 1975-03-19 | 1978-02-21 | Dr. -Ing. Rudolf Hell Gmbh | Method for the rastered reproduction of half-tone pictures providing changes in the individual picture elements during transfer from an original to a reproduction |
GB1549714A (en) * | 1975-05-12 | 1979-08-08 | Ecrm | Making halftone reproductions |
JPS51150401A (en) * | 1975-06-18 | 1976-12-24 | Dainippon Screen Mfg | Method and device for scanning recording screen printed image |
US4196451A (en) * | 1976-05-21 | 1980-04-01 | Xerox Corporation | Electronic halftone generator |
US4149183A (en) * | 1976-05-21 | 1979-04-10 | Xerox Corporation | Electronic halftone generator |
US4389712A (en) * | 1978-03-09 | 1983-06-21 | Itek Corporation | High information density laser image recording method and apparatus |
US4386272C1 (en) * | 1978-07-07 | 2001-02-06 | Pitney Bowes Inc | Apparatus and method for generating images by producing light spots of different sizes |
US4468706A (en) * | 1979-02-13 | 1984-08-28 | Coulter Systems Corporation | Imaging by varying the placement of elements in the pixels |
JPS56102853A (en) * | 1980-01-21 | 1981-08-17 | Dainippon Screen Mfg Co Ltd | Metho for pretreating image signal of image copying apparatus |
US4435726A (en) * | 1980-06-20 | 1984-03-06 | Xerox Corporation | One shot predictor for mixed mode documents |
JPS5772465A (en) * | 1980-10-23 | 1982-05-06 | Canon Inc | Digital signal converting device |
US4491875A (en) * | 1980-10-30 | 1985-01-01 | Canon Kabushiki Kaisha | Apparatus and method for tonal image processing |
JPS57171337A (en) * | 1981-04-14 | 1982-10-21 | Dainippon Screen Mfg Co Ltd | Production of halftone plate picture |
US4365275A (en) * | 1981-05-08 | 1982-12-21 | Delta Scan, Inc. | Method for producing images on radiation sensitive recording mediums |
US4661859A (en) * | 1981-06-03 | 1987-04-28 | Xerox Corporation | Pulse width modulation greyscale system for halftone printer |
US4499489A (en) * | 1981-06-08 | 1985-02-12 | Dr. Ing. Rudolf Hell Gmbh | Production of screen printing blocks |
GB2101836B (en) * | 1981-07-18 | 1985-02-20 | Linotype Paul Ltd | Method for encoding image data |
JPS5817442A (ja) * | 1981-07-24 | 1983-02-01 | Dainippon Screen Mfg Co Ltd | 画像走査記録装置における連続階調露光方法およびその装置 |
JPS58114570A (ja) * | 1981-12-26 | 1983-07-07 | Canon Inc | 画像処理装置 |
JPS58141078A (ja) * | 1982-02-16 | 1983-08-22 | Dainippon Screen Mfg Co Ltd | 画像走査記録方法及び装置 |
US4433346A (en) * | 1982-03-31 | 1984-02-21 | Xerox Corporation | Raster input scanner |
GB2120896B (en) * | 1982-04-06 | 1987-01-28 | Canon Kk | Half-tone facsimile system |
US4586089A (en) * | 1982-08-18 | 1986-04-29 | Matsushita Electric Industrial Co., Ltd. | Image processor |
US4533941A (en) * | 1983-01-14 | 1985-08-06 | Coulter Systems Corporation | Method and apparatus for half-tone reproduction of a varying tone original image |
US4636869A (en) * | 1983-01-18 | 1987-01-13 | Dainippon Screen Mfg. Co., Ltd. | Method and system for recording images in various magnification ratios |
JPS59161981A (ja) * | 1983-03-06 | 1984-09-12 | Canon Inc | 画像処理装置 |
JPS6022867A (ja) * | 1983-07-19 | 1985-02-05 | Dainippon Screen Mfg Co Ltd | 画像走査複製装置 |
JPS6030272A (ja) * | 1983-07-28 | 1985-02-15 | Canon Inc | 画像信号処理装置 |
GB8401933D0 (en) * | 1984-01-25 | 1984-02-29 | Crosfield Electronics Ltd | Half-tone imaging |
US4599656A (en) * | 1984-02-21 | 1986-07-08 | International Business Machines Corporation | Processing of gray scale image pels to facilitate data compression |
JPH0738677B2 (ja) * | 1984-05-07 | 1995-04-26 | 株式会社東芝 | 画像形成装置 |
US4625222A (en) * | 1984-05-17 | 1986-11-25 | International Business Machines Corporation | Interacting print enhancement techniques |
US4651287A (en) * | 1984-06-14 | 1987-03-17 | Tsao Sherman H | Digital image processing algorithm for output devices with discrete halftone gray scale capability |
JPS61199374A (ja) * | 1985-02-28 | 1986-09-03 | Ricoh Co Ltd | ドツト補正のレ−ザプリンタ |
FR2587572B1 (fr) * | 1985-03-20 | 1994-02-18 | Canon Kk | Appareil et procede de traitement d'images |
US4712141A (en) * | 1985-03-30 | 1987-12-08 | Dainippon Screen Mfg. Co., Ltd. | Method and apparatus for interpolating image signals |
EP0361538A1 (en) * | 1985-04-12 | 1990-04-04 | International Business Machines Corporation | Method and system for edge enhancement in reproducing multi-level digital images on a bi-level printer of fixed dot size |
JPS61285867A (ja) * | 1985-06-12 | 1986-12-16 | Dainippon Screen Mfg Co Ltd | 網点画像記録方法並びに装置 |
JPS6227716A (ja) * | 1985-07-29 | 1987-02-05 | Fuji Photo Film Co Ltd | 網点形成用ライトバルブ |
JPH067660B2 (ja) * | 1985-08-29 | 1994-01-26 | キヤノン株式会社 | 光ビ−ム走査装置 |
JPS6258779A (ja) * | 1985-09-06 | 1987-03-14 | Dainippon Screen Mfg Co Ltd | 網目版画像記録装置 |
US4897734A (en) * | 1985-10-28 | 1990-01-30 | Canon Kabushiki Kaisha | Image processing apparatus |
JPS62118676A (ja) * | 1985-11-18 | 1987-05-30 | Sharp Corp | 画像処理方式 |
JPH065872B2 (ja) * | 1985-12-16 | 1994-01-19 | 株式会社レオ技研 | 画像再生装置 |
JPS62145966A (ja) * | 1985-12-20 | 1987-06-30 | Fuji Xerox Co Ltd | 画像形成装置および方法 |
US4782398A (en) * | 1986-02-14 | 1988-11-01 | Canon Kabushiki Kaisha | Image processing apparatus |
US4833531A (en) * | 1986-04-21 | 1989-05-23 | Konishiroku Photo Industry Co., Ltd. | Technique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memory |
JPH0782156B2 (ja) * | 1986-05-23 | 1995-09-06 | 株式会社日立製作所 | 記録光学系 |
JPS62278874A (ja) * | 1986-05-28 | 1987-12-03 | Ricoh Co Ltd | 中間調再現方法 |
JPS6345973A (ja) * | 1986-08-12 | 1988-02-26 | Canon Inc | 中間調画像処理装置 |
AU602747B2 (en) * | 1986-12-09 | 1990-10-25 | Polaroid Corporation | Thermal imaging medium |
JP2525794B2 (ja) * | 1987-02-27 | 1996-08-21 | 大日本スクリ−ン製造株式会社 | 網点画像記録装置 |
JPS63236472A (ja) * | 1987-03-25 | 1988-10-03 | Fujitsu Ltd | 画像情報符号化処理装置 |
JP2677792B2 (ja) * | 1987-05-09 | 1997-11-17 | 株式会社リコー | ファックス機能付きデジタル複写機 |
US4965672A (en) * | 1987-05-11 | 1990-10-23 | The Mead Corporation | Method and apparatus for halftone imaging |
US4894727A (en) * | 1987-10-20 | 1990-01-16 | Ricoh Company, Ltd. | Image processing system and method |
US4899344A (en) * | 1987-12-07 | 1990-02-06 | Ricoh Co., Ltd. | Semiconductor laser control apparatus |
JPH01258953A (ja) * | 1988-04-08 | 1989-10-16 | Ricoh Co Ltd | レーザ書込み装置 |
US4914459A (en) * | 1988-04-18 | 1990-04-03 | Ricoh Company, Ltd. | Image forming apparatus |
GB8811568D0 (en) * | 1988-05-16 | 1988-06-22 | Crosfield Electronics Ltd | Producing half-tone images |
JPH085211B2 (ja) * | 1988-06-24 | 1996-01-24 | シャープ株式会社 | レーザ光照射装置 |
US4870652A (en) * | 1988-07-08 | 1989-09-26 | Xerox Corporation | Monolithic high density arrays of independently addressable semiconductor laser sources |
US4916530A (en) * | 1988-09-02 | 1990-04-10 | Itek Graphix Corp. | High resolution halftone dot generator system including LED array |
US4937682A (en) * | 1988-12-28 | 1990-06-26 | Hewlett-Packard Company | Method and apparatus for providing contrast/intensity control in a document scanner |
US5105280A (en) * | 1989-01-12 | 1992-04-14 | Minolta Camera Kabushiki Kaisha | Image forming device which can form an image by printing a plurality of pixel unit areas which are composed of multiple sub pixels |
US5075780A (en) * | 1989-03-29 | 1991-12-24 | Mita Industrial Co., Ltd. | Method of reproducing gradations according to a ratio of fine pixels turned on to fine pixels turned off |
US4891709A (en) * | 1989-03-31 | 1990-01-02 | Eastman Kodak Company | Flexible formatting interface for pictorial data transfer |
US4914455A (en) * | 1989-07-31 | 1990-04-03 | Xerox Corporation | Process control for electrostatographic printers |
US4985779A (en) * | 1989-09-19 | 1991-01-15 | Intergraph Corporation | Improved method and apparatus for generating halftone images |
-
1991
- 1991-09-23 DE DE69125826T patent/DE69125826T2/de not_active Expired - Fee Related
- 1991-09-23 EP EP91918703A patent/EP0514504B1/en not_active Expired - Lifetime
- 1991-09-23 ES ES91918703T patent/ES2103829T3/es not_active Expired - Lifetime
- 1991-09-23 WO PCT/US1991/006893 patent/WO1992010054A1/en active IP Right Grant
- 1991-09-23 AT AT91918703T patent/ATE152310T1/de not_active IP Right Cessation
- 1991-09-23 JP JP3517902A patent/JP2651493B2/ja not_active Expired - Lifetime
- 1991-09-23 DK DK91918703.9T patent/DK0514504T3/da active
- 1991-11-14 WO PCT/US1991/007247 patent/WO1992010052A1/en unknown
- 1991-11-14 AU AU88698/91A patent/AU642790B2/en not_active Ceased
- 1991-11-14 KR KR1019920701719A patent/KR960014312B1/ko not_active IP Right Cessation
-
1992
- 1992-10-01 US US07/955,360 patent/US5369497A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU8869891A (en) | 1992-06-25 |
JPH05507189A (ja) | 1993-10-14 |
WO1992010052A1 (en) | 1992-06-11 |
US5369497A (en) | 1994-11-29 |
ES2103829T3 (es) | 1997-10-01 |
ATE152310T1 (de) | 1997-05-15 |
WO1992010054A1 (en) | 1992-06-11 |
AU642790B2 (en) | 1993-10-28 |
EP0514504A1 (en) | 1992-11-25 |
EP0514504B1 (en) | 1997-04-23 |
KR960014312B1 (ko) | 1996-10-15 |
JP2651493B2 (ja) | 1997-09-10 |
DE69125826T2 (de) | 1997-07-31 |
DE69125826D1 (de) | 1997-05-28 |
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