GB8806875D0 - Cross bar converter - Google Patents

Cross bar converter

Info

Publication number
GB8806875D0
GB8806875D0 GB888806875A GB8806875A GB8806875D0 GB 8806875 D0 GB8806875 D0 GB 8806875D0 GB 888806875 A GB888806875 A GB 888806875A GB 8806875 A GB8806875 A GB 8806875A GB 8806875 D0 GB8806875 D0 GB 8806875D0
Authority
GB
United Kingdom
Prior art keywords
cross bar
bar converter
converter
cross
bar
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.)
Withdrawn
Application number
GB888806875A
Other versions
GB2215957A (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.)
3Dlabs Ltd
Original Assignee
Benchmark Technologies 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 Benchmark Technologies Ltd filed Critical Benchmark Technologies Ltd
Priority to GB8806875A priority Critical patent/GB2215957A/en
Publication of GB8806875D0 publication Critical patent/GB8806875D0/en
Priority to US07/297,002 priority patent/US5047760A/en
Priority to EP19890302455 priority patent/EP0334524A3/en
Priority to JP1071600A priority patent/JPH0215379A/en
Publication of GB2215957A publication Critical patent/GB2215957A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/14Display of multiple viewports
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control 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
    • G09G5/363Graphics controllers
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control 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
    • G09G5/39Control of the bit-mapped memory
    • G09G5/393Arrangements for updating the contents of the bit-mapped memory
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0229De-interlacing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/12Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/12Frame memory handling
    • G09G2360/127Updating a frame memory using a transfer of data from a source area to a destination area

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Controls And Circuits For Display Device (AREA)
GB8806875A 1988-03-23 1988-03-23 Video signal format crossbar converter Withdrawn GB2215957A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8806875A GB2215957A (en) 1988-03-23 1988-03-23 Video signal format crossbar converter
US07/297,002 US5047760A (en) 1988-03-23 1989-01-13 Crossbar converter
EP19890302455 EP0334524A3 (en) 1988-03-23 1989-03-13 Crossbar converter
JP1071600A JPH0215379A (en) 1988-03-23 1989-03-23 Crossbar converter and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8806875A GB2215957A (en) 1988-03-23 1988-03-23 Video signal format crossbar converter

Publications (2)

Publication Number Publication Date
GB8806875D0 true GB8806875D0 (en) 1988-04-27
GB2215957A GB2215957A (en) 1989-09-27

Family

ID=10633940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8806875A Withdrawn GB2215957A (en) 1988-03-23 1988-03-23 Video signal format crossbar converter

Country Status (1)

Country Link
GB (1) GB2215957A (en)

Also Published As

Publication number Publication date
GB2215957A (en) 1989-09-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)