DE3580201D1 - Verfahren und apparat fuer grafikanzeige. - Google Patents

Verfahren und apparat fuer grafikanzeige.

Info

Publication number
DE3580201D1
DE3580201D1 DE8585108293T DE3580201T DE3580201D1 DE 3580201 D1 DE3580201 D1 DE 3580201D1 DE 8585108293 T DE8585108293 T DE 8585108293T DE 3580201 T DE3580201 T DE 3580201T DE 3580201 D1 DE3580201 D1 DE 3580201D1
Authority
DE
Germany
Prior art keywords
graphic display
graphic
display
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.)
Revoked
Application number
DE8585108293T
Other languages
English (en)
Inventor
Richard A Springer
Pavel Houda
Rodney B Belshee
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24519928&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3580201(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE3580201D1 publication Critical patent/DE3580201D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0082—Architecture adapted for a particular function
    • G06K2215/0094—Colour printing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
DE8585108293T 1984-07-06 1985-07-04 Verfahren und apparat fuer grafikanzeige. Revoked DE3580201D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/628,693 US4730185A (en) 1984-07-06 1984-07-06 Graphics display method and apparatus for color dithering

Publications (1)

Publication Number Publication Date
DE3580201D1 true DE3580201D1 (de) 1990-11-29

Family

ID=24519928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585108293T Revoked DE3580201D1 (de) 1984-07-06 1985-07-04 Verfahren und apparat fuer grafikanzeige.

Country Status (5)

Country Link
US (1) US4730185A (de)
EP (1) EP0167165B1 (de)
JP (1) JPS6138992A (de)
CA (1) CA1240425A (de)
DE (1) DE3580201D1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825386A (en) * 1986-08-25 1989-04-25 Digital Equipment Corporation Horizontal line processor of data to be printed dot sequentially
US5175807A (en) * 1986-12-04 1992-12-29 Quantel Limited Video signal processing with added probabilistic dither
US4991122A (en) * 1987-10-07 1991-02-05 General Parametrics Corporation Weighted mapping of color value information onto a display screen
US4885703A (en) * 1987-11-04 1989-12-05 Schlumberger Systems, Inc. 3-D graphics display system using triangle processor pipeline
US4901064A (en) * 1987-11-04 1990-02-13 Schlumberger Technologies, Inc. Normal vector shading for 3-D graphics display system
US4888712A (en) * 1987-11-04 1989-12-19 Schlumberger Systems, Inc. Guardband clipping method and apparatus for 3-D graphics display system
US4945500A (en) * 1987-11-04 1990-07-31 Schlumberger Technologies, Inc. Triangle processor for 3-D graphics display system
JPH01231473A (ja) * 1988-03-10 1989-09-14 Brother Ind Ltd 画像形成方法
US5051820A (en) * 1988-07-26 1991-09-24 Brother Kogyo Kabushiki Kaisha Color image recording apparatus capable of recording color gradation pattern
US5003496A (en) * 1988-08-26 1991-03-26 Eastman Kodak Company Page memory control in a raster image processor
US4837613A (en) * 1988-09-01 1989-06-06 Adobe Systems, Inc. Method of color selection for display and printing
US4956638A (en) * 1988-09-16 1990-09-11 International Business Machines Corporation Display using ordered dither
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
US4918622A (en) * 1988-11-16 1990-04-17 Eastman Kodak Company Electronic graphic arts screener
US5148294A (en) * 1989-01-27 1992-09-15 Fuji Xerox Corporation, Ltd. Image processing apparatus and method for painting a memory with plural colors
EP0615847B1 (de) * 1989-04-28 2001-10-31 Canon Kabushiki Kaisha Bildverarbeitungseinrichtung
US4953104A (en) * 1989-05-18 1990-08-28 Eastman Kodak Company Page buffer for an electronic gray-scale color printer
US5179641A (en) * 1989-06-23 1993-01-12 Digital Equipment Corporation Rendering shaded areas with boundary-localized pseudo-random noise
JP2595098B2 (ja) * 1989-07-05 1997-03-26 キヤノン株式会社 記録装置および記録ヘッド
US5146554A (en) * 1989-09-29 1992-09-08 Eastman Kodak Company Page memory control in a raster image processor employed for digital halftoning
US5214517A (en) * 1990-02-07 1993-05-25 Eastman Kodak Company Digital halftoning with correlated minimum visual modulation patterns
US5249164A (en) * 1990-06-27 1993-09-28 Koz Mark C Digital color tv for personal computers
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
US5191640A (en) * 1990-12-26 1993-03-02 Xerox Corporation Method for optimal discrete rendering of images
US5389948A (en) * 1992-02-14 1995-02-14 Industrial Technology Research Institute Dithering circuit and method
US5714974A (en) * 1992-02-14 1998-02-03 Industrial Technology Research Laboratories Dithering method and circuit using dithering matrix rotation
US5598184A (en) * 1992-03-27 1997-01-28 Hewlett-Packard Company Method and apparatus for improved color recovery in a computer graphics system
DE69325497T2 (de) * 1992-12-22 2000-01-05 Konishiroku Photo Ind Farbbildverarbeitungsgerät zur Glättung eines Bildes
KR100258919B1 (ko) * 1993-10-30 2000-06-15 윤종용 디더링행렬을 구현하는 디더링회로 및 그 방법
US5734369A (en) * 1995-04-14 1998-03-31 Nvidia Corporation Method and apparatus for dithering images in a digital display system
US6141024A (en) * 1997-02-03 2000-10-31 Ati Technologies, Inc Generating color text
JP3922568B2 (ja) * 2002-03-18 2007-05-30 株式会社リコー 画像処理装置、描画処理方法及び該方法を実行するためのプログラム
US7411589B2 (en) * 2004-04-30 2008-08-12 Honeywell International Inc. Liquid crystal color display system and method
US7542620B1 (en) * 2004-08-16 2009-06-02 Apple Inc. Robust temporal dithering and filtering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977007A (en) * 1975-06-02 1976-08-24 Teletype Corporation Gray tone generation
US4203154A (en) * 1978-04-24 1980-05-13 Xerox Corporation Electronic image processing system
US4225861A (en) * 1978-12-18 1980-09-30 International Business Machines Corporation Method and means for texture display in raster scanned color graphic
US4345313A (en) * 1980-04-28 1982-08-17 Xerox Corporation Image processing method and apparatus having a digital airbrush for touch up
US4495522A (en) * 1981-07-07 1985-01-22 Konishiroku Photo Industry Co., Ltd. Recording apparatus and method of picture image
US4463374A (en) * 1981-11-20 1984-07-31 Trilog, Inc. Color plotter interface and control circuit
JPS58157255A (ja) * 1982-03-13 1983-09-19 Dainippon Screen Mfg Co Ltd 画像走査記録方法
US4532503A (en) * 1982-11-08 1985-07-30 International Business Machines Corporation Sequence controlled pixel configuration

Also Published As

Publication number Publication date
JPS6138992A (ja) 1986-02-25
EP0167165A3 (en) 1986-03-19
US4730185A (en) 1988-03-08
EP0167165A2 (de) 1986-01-08
CA1240425A (en) 1988-08-09
EP0167165B1 (de) 1990-10-24

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation