DE3787933D1 - Optimale Halbtonfarbmuster für Rasterabtastbilder. - Google Patents

Optimale Halbtonfarbmuster für Rasterabtastbilder.

Info

Publication number: DE3787933D1
Authority: DE; Germany
Prior art keywords: scanned images; color patterns; raster scanned; halftone color; optimal halftone
Prior art date: 1986-07-24
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

Application number

DE87305990T

Other languages

English (en)

Other versions

DE3787933T2 (de

Inventor

Richard L Minnesota M Rylander

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

3M Co

Original Assignee

Minnesota Mining and Manufacturing Co

Priority date (The priority date 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 date listed.)

1986-07-24

Filing date

1987-07-07

Publication date

1993-12-02

1987-07-07 Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co

1993-12-02 Publication of DE3787933D1 publication Critical patent/DE3787933D1/de

1994-05-11 Application granted granted Critical

1994-05-11 Publication of DE3787933T2 publication Critical patent/DE3787933T2/de

2007-07-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- 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

DE87305990T 1986-07-24 1987-07-07 Optimale Halbtonfarbmuster für Rasterabtastbilder. Expired - Lifetime DE3787933T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/889,819 US4758886A (en)	1986-07-24	1986-07-24	Optimal color half-tone patterns for raster-scan images

Publications (2)

Publication Number	Publication Date
DE3787933D1 true DE3787933D1 (de)	1993-12-02
DE3787933T2 DE3787933T2 (de)	1994-05-11

Family

ID=25395849

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE87305990T Expired - Lifetime DE3787933T2 (de)	1986-07-24	1987-07-07	Optimale Halbtonfarbmuster für Rasterabtastbilder.

Country Status (6)

Country	Link
US (1)	US4758886A (de)
EP (1)	EP0254448B1 (de)
JP (1)	JPH0722347B2 (de)
KR (1)	KR960007260B1 (de)
DE (1)	DE3787933T2 (de)
IL (1)	IL82966A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4965599A (en) *	1989-11-13	1990-10-23	Eastman Kodak Company	Scanning apparatus for halftone image screen writing
US5187594A (en) *	1990-02-09	1993-02-16	Graphic Edge, Inc.	Method of creating and applying half tone screen patterns
US5341228A (en) *	1990-12-04	1994-08-23	Research Corporation Technologies	Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5323247A (en) *	1990-12-04	1994-06-21	Research Corporation Technologies	Method and apparatus for halftoning and inverse halftoning and the transmission of such images
US5370976A (en) *	1992-05-22	1994-12-06	Williamson Printing Corporation	Metallic color printing process
US5548407A (en) *	1992-05-22	1996-08-20	Albrecht von Kienlin	Process for electronic processing of multi-colored continuous-tone images
US5412577A (en) *	1992-10-28	1995-05-02	Quad/Tech International	Color registration system for a printing press
US5630363A (en) *	1995-08-14	1997-05-20	Williamson Printing Corporation	Combined lithographic/flexographic printing apparatus and process
WO1997047481A1 (en)	1996-06-14	1997-12-18	Minnesota Mining And Manufacturing Company	Display unit and methods of displaying an image
US5991513A (en) *	1997-09-30	1999-11-23	Levien; Raphael L	Method and apparatus for suppressing moire patterns
US6906825B1 (en) *	1999-06-14	2005-06-14	Toshiba Tec Kabushiki Kaisha	Image processor and color image processor
US6798539B1 (en) *	2000-10-30	2004-09-28	Xerox Corporation	Method for moire-free color halftoning using non-orthogonal cluster screens
US7110604B2 (en) *	2001-06-26	2006-09-19	Anoto Ab	Processing of digital images
US20060023258A1 (en) *	2004-08-02	2006-02-02	Xerox Corporation.	Method for minimizing boundary defects using halftone classes with matched harmonics
US8416458B2 (en) *	2009-11-04	2013-04-09	Xerox Corporation	Rotated halftone screen geometry that avoids beat-based banding
US9526091B2 (en) *	2012-03-16	2016-12-20	Intel Corporation	Method and apparatus for coordination of self-optimization functions in a wireless network

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2193722A (en) *	1936-09-04	1940-03-12	Interchem Corp	Method of color reproduction
US2136340A (en) *	1937-02-17	1938-11-08	Interchem Corp	Printing plate
US2190185A (en) *	1937-02-17	1940-02-13	Interchem Corp	Printing plate
US2185139A (en) *	1937-04-23	1939-12-26	Interchem Corp	Scanning apparatus
US2185806A (en) *	1937-04-28	1940-01-02	William G H Finch	Color picture transmission system
US2294645A (en) *	1940-07-05	1942-09-01	Interchem Corp	Printing plate
US2413706A (en) *	1942-01-09	1947-01-07	Norman R Gunderson	Apparatus for reproduction of pictorial representations
GB640001A (en) *	1947-02-24	1950-07-12	Nell William Yelland	Improvements relating to the production of multi-colour printing surfaces
LU39915A1 (de) *	1960-04-01
US3580995A (en) *	1968-04-29	1971-05-25	Rca Corp	Constant sized halftone dot image generator
US3629496A (en) *	1969-12-30	1971-12-21	Litton Systems Inc	Encoding of picture signals in photofacsimile
US3911480A (en) *	1972-12-08	1975-10-07	John P Brucker	Generating screened half-tones by scanning
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
US4084259A (en) *	1973-11-30	1978-04-11	The Mead Corporation	Apparatus for dot matrix recording
GB1493924A (en) *	1974-01-07	1977-11-30	Crosfield Electronics Ltd	Screened image reproduction
US4196451A (en) *	1976-05-21	1980-04-01	Xerox Corporation	Electronic halftone generator
US4193096A (en) *	1977-04-04	1980-03-11	Xerox Corporation	Half tone encoder/decoder
US4468706A (en) *	1979-02-13	1984-08-28	Coulter Systems Corporation	Imaging by varying the placement of elements in the pixels
JPS55146582A (en) *	1979-04-27	1980-11-14	Matsushita Electric Ind Co Ltd	Image recording method
US4439789A (en) *	1980-04-11	1984-03-27	Coulter Systems Corporation	Binary scan system
US4350996A (en) *	1980-04-14	1982-09-21	Scitex Corporation Ltd.	Screened image reproduction
US4456924A (en) *	1980-04-14	1984-06-26	Scitex Corporation Ltd.	Screened image reproduction
EP0047145B1 (de) *	1980-09-01	1988-03-16	Crosfield Electronics Limited	Verfahren zum Erzeugen einer Halbtonreproduktion
JPS5762664A (en) *	1980-10-03	1982-04-15	Ricoh Co Ltd	Binary processing method for analog picture signal
EP0056829B1 (de) *	1981-01-24	1985-09-04	DR.-ING. RUDOLF HELL GmbH	Farbdriftfreie Raster für den Mehrfarbendruck
JPS57129749A (en) *	1981-02-06	1982-08-11	Fuji Photo Film Co Ltd	Method and device for bringing out medium tone in ink-jet printer
US4499489A (en) *	1981-06-08	1985-02-12	Dr. Ing. Rudolf Hell Gmbh	Production of screen printing blocks
JPS5968245A (ja) *	1982-10-13	1984-04-18	Ricoh Co Ltd	多色インクジエツト記録方法

1986
- 1986-07-24 US US06/889,819 patent/US4758886A/en not_active Expired - Lifetime
1987
- 1987-06-23 IL IL82966A patent/IL82966A/xx not_active IP Right Cessation
- 1987-07-07 EP EP87305990A patent/EP0254448B1/de not_active Expired - Lifetime
- 1987-07-07 DE DE87305990T patent/DE3787933T2/de not_active Expired - Lifetime
- 1987-07-21 KR KR1019870007878A patent/KR960007260B1/ko not_active IP Right Cessation
- 1987-07-23 JP JP62184650A patent/JPH0722347B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US4758886A (en)	1988-07-19
EP0254448A2 (de)	1988-01-27
JPS6335079A (ja)	1988-02-15
EP0254448A3 (en)	1990-02-14
JPH0722347B2 (ja)	1995-03-08
EP0254448B1 (de)	1993-10-27
DE3787933T2 (de)	1994-05-11
IL82966A (en)	1991-09-16
KR880002366A (ko)	1988-04-30
IL82966A0 (en)	1987-12-20
KR960007260B1 (ko)	1996-05-29

Legal Events

Date	Code	Title	Description
1994-11-24	8364	No opposition during term of opposition

Publication	Publication Date	Title
DE3787948D1 (de)	1993-12-02	Rastereingangsabtaster.
DE3787933D1 (de)	1993-12-02	Optimale Halbtonfarbmuster für Rasterabtastbilder.
DE3564525D1 (en)	1988-09-22	Image scanning procedure
DE3777760D1 (de)	1992-04-30	Farbbildlesegeraet.
EP0266430A4 (de)	1989-11-07	Bildformung auf gegenstände.
DE3576777D1 (de)	1990-04-26	Farbbildkopiergeraet.
DE69032462D1 (de)	1998-08-13	Farbabtaster
DE3780553D1 (de)	1992-08-27	Farbbildlesegeraet.
DE3750538T2 (de)	1995-01-26	Farbbildaufzeichnungsgerät.
DE69002113D1 (de)	1993-08-12	Bildabtastsystem mit farbausgleich.
DE69020378T2 (de)	1995-12-21	Bildabtastvorrichtung.
DE3782900D1 (de)	1993-01-14	Farbbildherstellungsverfahren.
DE3881889T2 (de)	1994-01-20	Bildscanner.
DE69015997D1 (de)	1995-02-23	Fernsehfilmabtaster abgeglichen für negativabtastung.
DE3788827T2 (de)	1994-06-16	Farbkopiervorrichtung.
DE3774518D1 (de)	1991-12-19	Farbbildreproduktion.
DE3787283D1 (de)	1993-10-07	Integrales Eingang-Ausgangssystem für Rastabtast-Druckeinheit.
DE3881081T2 (de)	1993-12-16	Farbbildkopiervorrichtung.
DE69225036D1 (de)	1998-05-14	Rastererzeugung zur Halbtonrasterung von Bildern
DE69219853T2 (de)	1997-10-09	Rastererzeugung zur Halbtonrasterung von Bildern
EP0215363A3 (en)	1989-04-26	Scanning arrangement for half-tone transmission originals
DE3773036D1 (de)	1991-10-24	Verfahren zur farbbilderzeugung.
GB8723606D0 (en)	1987-11-11	Forming halftone dots
GB8307007D0 (en)	1983-04-20	Raster scanning
DE69023066T2 (de)	1996-03-21	Bildabtastgerät.