GB2267202B - Multiple buffer processing architecture for intergrated display of video and graphics with independent color depth - Google Patents

Multiple buffer processing architecture for intergrated display of video and graphics with independent color depth

Info

Publication number
GB2267202B
GB2267202B GB9309465A GB9309465A GB2267202B GB 2267202 B GB2267202 B GB 2267202B GB 9309465 A GB9309465 A GB 9309465A GB 9309465 A GB9309465 A GB 9309465A GB 2267202 B GB2267202 B GB 2267202B
Authority
GB
United Kingdom
Prior art keywords
intergrated
graphics
video
display
color depth
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 - Lifetime
Application number
GB9309465A
Other languages
English (en)
Other versions
GB2267202A (en
GB9309465D0 (en
Inventor
Laurence Alan Thompson
Eric Allen Baden
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.)
Apple Inc
Original Assignee
Apple Computer 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
Application filed by Apple Computer Inc filed Critical Apple Computer Inc
Publication of GB9309465D0 publication Critical patent/GB9309465D0/en
Publication of GB2267202A publication Critical patent/GB2267202A/en
Application granted granted Critical
Publication of GB2267202B publication Critical patent/GB2267202B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
    • G09G5/397—Arrangements specially adapted for transferring the contents of two or more bit-mapped memories to the screen simultaneously, e.g. for mixing or overlay
    • 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
    • G09G5/14—Display of multiple viewports
    • 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
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • 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
    • G09G2340/0464—Positioning
    • 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
    • G09G2340/10—Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels
    • 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
    • G09G2340/125—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels wherein one of the images is motion video

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)
  • Image Processing (AREA)
GB9309465A 1992-05-08 1993-05-07 Multiple buffer processing architecture for intergrated display of video and graphics with independent color depth Expired - Lifetime GB2267202B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88073492A 1992-05-08 1992-05-08
US5354193A 1993-04-29 1993-04-29

Publications (3)

Publication Number Publication Date
GB9309465D0 GB9309465D0 (en) 1993-06-23
GB2267202A GB2267202A (en) 1993-11-24
GB2267202B true GB2267202B (en) 1996-05-22

Family

ID=26731982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309465A Expired - Lifetime GB2267202B (en) 1992-05-08 1993-05-07 Multiple buffer processing architecture for intergrated display of video and graphics with independent color depth

Country Status (2)

Country Link
JP (1) JPH06214538A (ja)
GB (1) GB2267202B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07311569A (ja) * 1994-05-18 1995-11-28 Fuji Photo Film Co Ltd 画像処理装置および方法
US5812144A (en) * 1995-09-08 1998-09-22 International Business Machines Corporation System for performing real-time video resizing in a data processing system having multimedia capability
KR970049406A (ko) * 1995-12-15 1997-07-29 김광호 그래픽 오버레이속도 향상기능을 갖는 화상처리장치
US6023302A (en) * 1996-03-07 2000-02-08 Powertv, Inc. Blending of video images in a home communications terminal
AU740560B2 (en) * 1996-06-26 2001-11-08 Sony Electronics Inc. System and method for overlay of a motion video signal on an analog video signal
TW417404B (en) * 1998-02-03 2001-01-01 Seiko Epson Corp Projection display device and method therefor, and an image display device
IE980591A1 (en) * 1998-07-20 2000-02-09 Damien James Lee Three dimensional image processing
GB2440385B (en) * 2006-07-12 2011-08-17 British Broadcasting Corp A system for and method of controlling advanced user interfaces for navigation
JP2010067001A (ja) * 2008-09-10 2010-03-25 Fujitsu Ltd 情報処理装置および情報処理装置の制御方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096628A2 (en) * 1982-06-02 1983-12-21 Digital Equipment Corporation Apparatus for combining a video signal with graphics and text from a computer
GB2215937A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Analog controlled video mixer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096628A2 (en) * 1982-06-02 1983-12-21 Digital Equipment Corporation Apparatus for combining a video signal with graphics and text from a computer
GB2215937A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Analog controlled video mixer

Also Published As

Publication number Publication date
GB2267202A (en) 1993-11-24
JPH06214538A (ja) 1994-08-05
GB9309465D0 (en) 1993-06-23

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130506