DE3777371D1 - Erzeugung von halbtonreproduktionen. - Google Patents
Erzeugung von halbtonreproduktionen.Info
- Publication number
- DE3777371D1 DE3777371D1 DE8787309865T DE3777371T DE3777371D1 DE 3777371 D1 DE3777371 D1 DE 3777371D1 DE 8787309865 T DE8787309865 T DE 8787309865T DE 3777371 T DE3777371 T DE 3777371T DE 3777371 D1 DE3777371 D1 DE 3777371D1
- Authority
- DE
- Germany
- Prior art keywords
- generation
- halftone reproductions
- reproductions
- halftone
- 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
- H04N1/40—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)
- Facsimile Image Signal Circuits (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868628238A GB8628238D0 (en) | 1986-11-26 | 1986-11-26 | Generating half-tone representations |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3777371D1 true DE3777371D1 (de) | 1992-04-16 |
Family
ID=10607957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787309865T Expired - Lifetime DE3777371D1 (de) | 1986-11-26 | 1987-11-06 | Erzeugung von halbtonreproduktionen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4821109A (de) |
EP (1) | EP0274196B1 (de) |
JP (1) | JPS63141445A (de) |
DE (1) | DE3777371D1 (de) |
GB (1) | GB8628238D0 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8811568D0 (en) * | 1988-05-16 | 1988-06-22 | Crosfield Electronics Ltd | Producing half-tone images |
US4916530A (en) * | 1988-09-02 | 1990-04-10 | Itek Graphix Corp. | High resolution halftone dot generator system including LED array |
US4916545A (en) * | 1988-11-16 | 1990-04-10 | Eastman Kodak Company | Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection |
US4977458A (en) * | 1988-11-16 | 1990-12-11 | Eastman Kodak Company | Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein |
US5278672A (en) * | 1989-01-20 | 1994-01-11 | Fuji Photo Film Co., Ltd. | Image signal processing apparatus |
US5225915A (en) * | 1989-06-09 | 1993-07-06 | Xerox Corporation | Image processing with noise enhancing operators for moire reduction and/or random dot generation |
WO1991002426A2 (en) * | 1989-08-04 | 1991-02-21 | Intergraph Corporation | Rapid variable angle digital screening |
US4945422A (en) * | 1990-01-02 | 1990-07-31 | Eastman Kodak Company | False density contour suppression using stored random probabilities to form print/no-print decisions |
US4959730A (en) * | 1990-01-02 | 1990-09-25 | Eastman Kodak Company | False density contour suppression using randomly modified input signals for comparison to threshold values |
GB2249910B (en) * | 1990-11-19 | 1994-11-30 | Le Proizv Ob Poligraficheskogo | Method of and apparatus for making a half-tone reproduction of an image |
US5276535A (en) * | 1991-12-24 | 1994-01-04 | Levien Raphael L | Method and apparatus for halftoning of images using grayscale error diffusion |
US5331429A (en) * | 1992-02-07 | 1994-07-19 | Levien Raphael L | Digital generation of halftone images with error diffusion and frequency matched periodic screen rulings |
JPH0845246A (ja) * | 1994-07-29 | 1996-02-16 | Sony Corp | 記録媒体、再生方法、記録装置、及び再生装置 |
US5689623A (en) * | 1995-03-27 | 1997-11-18 | Optronics International Corporation | Spread spectrum digital screening |
US5937109A (en) * | 1996-11-01 | 1999-08-10 | Xerox Corporation | Automoire phase error correction for a hyperacuity halftoner |
US8031363B2 (en) * | 2003-03-31 | 2011-10-04 | Electronics For Imaging, Inc. | Methods and apparatus for dynamically soft proofing halftone images |
US7733532B2 (en) * | 2004-10-27 | 2010-06-08 | Marvell International Technology Ltd. | Laser print apparatus with dual halftones |
JP2014094256A (ja) * | 2012-11-08 | 2014-05-22 | Angel Playing Cards Co Ltd | テーブルゲームシステム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1218015A (en) * | 1967-03-13 | 1971-01-06 | Nat Res Dev | Improvements in or relating to systems for transmitting television signals |
DE1772367C3 (de) * | 1968-05-04 | 1974-10-31 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zur gerasterten Reproduktion von Halbtonbildern |
GB1448112A (en) * | 1973-02-13 | 1976-09-02 | Int Publishing Corp Ltd | Electronic screening |
US4040094A (en) * | 1973-02-13 | 1977-08-02 | International Publishing Corporation Ltd. | Electronic screening |
DE2827596C2 (de) * | 1978-06-23 | 1984-11-22 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Anordnung zur Herstellung gerasterter Druckformen |
US4196454A (en) * | 1978-12-04 | 1980-04-01 | Xerox Corporation | Tone error control for relatively large image areas |
JPS57120937A (en) * | 1981-01-21 | 1982-07-28 | Dainippon Screen Mfg Co Ltd | Formation of halftone plate image |
JPS57160264A (en) * | 1981-03-30 | 1982-10-02 | Canon Inc | Recorder of half tone picture |
JPS57193173A (en) * | 1981-05-22 | 1982-11-27 | Fuji Photo Film Co Ltd | Picture scanning and recording method |
DE3373764D1 (en) * | 1983-11-14 | 1987-10-22 | Hell Rudolf Dr Ing Gmbh | Method and apparatus for manufacturing screened printing forms |
US4727434A (en) * | 1984-03-14 | 1988-02-23 | Canon Kabushiki Kaisha | Image processing apparatus for rapid production of a hard copy of a video image in which input image signal processing parameters are set while a record medium is being positioned at a recording position |
JPS6163893A (ja) * | 1984-09-06 | 1986-04-02 | 株式会社日立製作所 | デイスプレイ装置における擬似中間調画像の表示方法 |
JPS6191772A (ja) * | 1984-10-11 | 1986-05-09 | Canon Inc | 画像処理装置 |
-
1986
- 1986-11-26 GB GB868628238A patent/GB8628238D0/en active Pending
-
1987
- 1987-11-06 EP EP87309865A patent/EP0274196B1/de not_active Expired - Lifetime
- 1987-11-06 DE DE8787309865T patent/DE3777371D1/de not_active Expired - Lifetime
- 1987-11-17 US US07/123,623 patent/US4821109A/en not_active Expired - Lifetime
- 1987-11-25 JP JP62295396A patent/JPS63141445A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4821109A (en) | 1989-04-11 |
GB8628238D0 (en) | 1986-12-31 |
EP0274196A1 (de) | 1988-07-13 |
JPS63141445A (ja) | 1988-06-13 |
EP0274196B1 (de) | 1992-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69200447D1 (de) | Erzeugung von russen. | |
DE3777371D1 (de) | Erzeugung von halbtonreproduktionen. | |
FI875395A (fi) | Substituerade basiska 2-aminotetraliner. | |
DE3770225D1 (de) | Rueckgratimplantat. | |
FI881022A (fi) | Korrigering av funktionsodugliga venklaffar. | |
DE68929398D1 (de) | Erzeugung der zweiten Harmonischen | |
DE3783170D1 (de) | Schaltungsanordnung zur erzeugung von hochspannungen. | |
NO875026D0 (no) | Delvis neddykkbart borefartoey av catamarantypen. | |
DE3764410D1 (de) | Vielfachanordnung von lasern. | |
DE3788515D1 (de) | Bestimmung von biomasse. | |
DE3777532D1 (de) | Herstellung von halbleiterbauelementen. | |
DE3787181D1 (de) | Pegelumwandlungsschaltung. | |
DE3682766D1 (de) | Digitaler verzoegerungsgenerator geringer instabilitaet. | |
DE3782959D1 (de) | Erzeuger von niederfrequenten toenen. | |
DE3851366D1 (de) | Digitaler Generator von Konturlinien. | |
DE3850808D1 (de) | Erzeugung von Taktimpulsen. | |
DE3484141D1 (de) | Zeichengenerator. | |
DE3778562D1 (de) | Digitaler sinusgenerator. | |
DE3772267D1 (de) | Bilderzeugungsverfahren. | |
NO870409D0 (no) | Fremgangsmaate for spaltning av 1-aminoindaner. | |
DE3851651D1 (de) | Schaltungsanordnung zur Erzeugung von Adressen. | |
ES1005262Y (es) | Generador taquimetrico. | |
NO870829L (no) | Immortalisering av primrceller. | |
DE3770926D1 (de) | Mehrteiliges kopiergeraet. | |
FI864006A (fi) | Foerfarande foer bestaemning av den totala karbonathalten speciellt i en biologisk vaetska. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FUJIFILM ELECTRONIC IMAGING LTD., LONDON, GB |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |