GB2208344B - Digital display system - Google Patents

Digital display system

Info

Publication number
GB2208344B
GB2208344B GB8813057A GB8813057A GB2208344B GB 2208344 B GB2208344 B GB 2208344B GB 8813057 A GB8813057 A GB 8813057A GB 8813057 A GB8813057 A GB 8813057A GB 2208344 B GB2208344 B GB 2208344B
Authority
GB
United Kingdom
Prior art keywords
display system
digital display
digital
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.)
Expired - Fee Related
Application number
GB8813057A
Other versions
GB8813057D0 (en
GB2208344A (en
Inventor
David Michael Pritchard
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of GB8813057D0 publication Critical patent/GB8813057D0/en
Publication of GB2208344A publication Critical patent/GB2208344A/en
Application granted granted Critical
Publication of GB2208344B publication Critical patent/GB2208344B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G09G5/02—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
    • G09G5/36—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
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • 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
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
GB8813057A 1987-07-30 1988-06-02 Digital display system Expired - Fee Related GB2208344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878718057A GB8718057D0 (en) 1987-07-30 1987-07-30 Digital display system

Publications (3)

Publication Number Publication Date
GB8813057D0 GB8813057D0 (en) 1988-07-06
GB2208344A GB2208344A (en) 1989-03-22
GB2208344B true GB2208344B (en) 1991-07-03

Family

ID=10621539

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878718057A Pending GB8718057D0 (en) 1987-07-30 1987-07-30 Digital display system
GB8813057A Expired - Fee Related GB2208344B (en) 1987-07-30 1988-06-02 Digital display system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878718057A Pending GB8718057D0 (en) 1987-07-30 1987-07-30 Digital display system

Country Status (1)

Country Link
GB (2) GB8718057D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220312A (en) * 1989-09-29 1993-06-15 International Business Machines Corporation Pixel protection mechanism for mixed graphics/video display adaptors
GB9008426D0 (en) * 1990-04-12 1990-06-13 Crosfield Electronics Ltd Graphics display system
US5694143A (en) * 1994-06-02 1997-12-02 Accelerix Limited Single chip frame buffer and graphics accelerator
WO1995035572A1 (en) 1994-06-20 1995-12-28 Neomagic Corporation Graphics controller integrated circuit without memory interface

Also Published As

Publication number Publication date
GB8813057D0 (en) 1988-07-06
GB2208344A (en) 1989-03-22
GB8718057D0 (en) 1987-09-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee