GB2073997B - Computer graphics system - Google Patents

Computer graphics system

Info

Publication number
GB2073997B
GB2073997B GB8111693A GB8111693A GB2073997B GB 2073997 B GB2073997 B GB 2073997B GB 8111693 A GB8111693 A GB 8111693A GB 8111693 A GB8111693 A GB 8111693A GB 2073997 B GB2073997 B GB 2073997B
Authority
GB
United Kingdom
Prior art keywords
computer graphics
graphics system
computer
graphics
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
Application number
GB8111693A
Other versions
GB2073997A (en
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.)
Ampex Corp
Original Assignee
Ampex Corp
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
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of GB2073997A publication Critical patent/GB2073997A/en
Application granted granted Critical
Publication of GB2073997B publication Critical patent/GB2073997B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/363—Graphics controllers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/022—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using memory planes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/026—Control of mixing and/or overlay of colours in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/045—Zooming at least part of an image, i.e. enlarging it or shrinking it
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/391—Resolution modifying circuits, e.g. variable screen formats

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)
  • Image Generation (AREA)
  • Image Input (AREA)
GB8111693A 1980-04-11 1981-04-13 Computer graphics system Expired GB2073997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13959080A 1980-04-11 1980-04-11

Publications (2)

Publication Number Publication Date
GB2073997A GB2073997A (en) 1981-10-21
GB2073997B true GB2073997B (en) 1984-05-02

Family

ID=22487412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8111693A Expired GB2073997B (en) 1980-04-11 1981-04-13 Computer graphics system

Country Status (4)

Country Link
JP (2) JPS5716487A (en)
DE (2) DE3114925A1 (en)
GB (1) GB2073997B (en)
HK (1) HK50489A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120506B (en) * 1982-04-16 1986-03-26 Jpm Improvements relating to video apparatus
JPS6059388A (en) * 1983-09-12 1985-04-05 横河電機株式会社 Raster scan type crt display unit
AU3475184A (en) * 1983-11-29 1985-06-06 Tandy Corp. High resolution video graphics system
US4811007A (en) * 1983-11-29 1989-03-07 Tandy Corporation High resolution video graphics system
JPS60117286A (en) * 1983-11-29 1985-06-24 三菱電機株式会社 Video display controller
GB8425531D0 (en) * 1984-10-10 1984-11-14 Quantel Ltd Video image creation
JPS61130985A (en) * 1984-11-21 1986-06-18 テクトロニツクス・インコーポレイテツド Multi-bit pixel data accumulator
US4742474A (en) * 1985-04-05 1988-05-03 Tektronix, Inc. Variable access frame buffer memory
JPH0778718B2 (en) * 1985-10-16 1995-08-23 株式会社日立製作所 Image display device
US4777481A (en) * 1987-03-02 1988-10-11 Technology Inc. 64 Display processor for image data with non-constant pixel size for chromatic values
DE3826643A1 (en) * 1987-12-08 1989-06-29 Lixfeld Wolf Dieter Method for recording and replaying a still picture
JP2572431B2 (en) * 1988-09-27 1997-01-16 株式会社 アスキー Color display device
US5345554A (en) * 1992-04-17 1994-09-06 Intel Corporation Visual frame buffer architecture
WO1993021623A1 (en) * 1992-04-17 1993-10-28 Intel Corporation Visual frame buffer architecture
US5890190A (en) * 1992-12-31 1999-03-30 Intel Corporation Frame buffer for storing graphics and video data
JP2008111921A (en) * 2006-10-30 2008-05-15 Renesas Technology Corp Semiconductor integrated circuit for display control
US10885883B2 (en) 2017-01-25 2021-01-05 Apple Inc. Electronic device with foveated display system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293614A (en) * 1963-04-29 1966-12-20 Hazeltine Research Inc Data converter system
JPS5297632A (en) * 1976-02-12 1977-08-16 Hitachi Ltd Display unit
IL51719A (en) 1976-04-08 1979-11-30 Hughes Aircraft Co Raster type display system
US4093996A (en) 1976-04-23 1978-06-06 International Business Machines Corporation Cursor for an on-the-fly digital television display having an intermediate buffer and a refresh buffer
JPS592905B2 (en) * 1976-08-31 1984-01-21 日本ビクター株式会社 display device
US4189743A (en) 1976-12-20 1980-02-19 New York Institute Of Technology Apparatus and method for automatic coloration and/or shading of images
US4189744A (en) * 1976-12-20 1980-02-19 New York Institute Of Technology Apparatus for generating signals representing operator-selected portions of a scene
US4117473A (en) * 1977-01-25 1978-09-26 Phillips Petroleum Company Display system for displaying information in the form of a horizontally oriented curve on a raster type crt
US4156914A (en) 1977-08-18 1979-05-29 Baird Corporation Computer image display system and processor therefor
GB2011767B (en) * 1977-12-27 1982-05-12 Rca Corp Colour display using auxiliary memory for colour information

Also Published As

Publication number Publication date
HK50489A (en) 1989-06-30
JPS62275291A (en) 1987-11-30
DE3153360C2 (en) 1990-01-04
DE3114925C2 (en) 1987-06-11
DE3114925A1 (en) 1982-02-11
JPS5716487A (en) 1982-01-27
GB2073997A (en) 1981-10-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20010412