CA2055054A1 - Bus architecture for a multimedia system - Google Patents

Bus architecture for a multimedia system

Info

Publication number
CA2055054A1
CA2055054A1 CA2055054A CA2055054A CA2055054A1 CA 2055054 A1 CA2055054 A1 CA 2055054A1 CA 2055054 A CA2055054 A CA 2055054A CA 2055054 A CA2055054 A CA 2055054A CA 2055054 A1 CA2055054 A1 CA 2055054A1
Authority
CA
Canada
Prior art keywords
image signals
bus architecture
multimedia system
independent image
selective access
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.)
Granted
Application number
CA2055054A
Other languages
French (fr)
Other versions
CA2055054C (en
Inventor
John Monroe Dinwiddie Jr.
Bobby Joe Freeman
Gustavo Armando Suarez
Bruce James Wilkie
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24506728&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2055054(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of CA2055054A1 publication Critical patent/CA2055054A1/en
Application granted granted Critical
Publication of CA2055054C publication Critical patent/CA2055054C/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
    • G09G5/36—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • 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
    • G09G5/14—Display of multiple viewports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
    • G09G1/165—Details of a display terminal using a CRT, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G1/167—Details of the interface to the display terminal specific for a CRT
    • 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

Abstract

An information handling apparatus for transferring and composing image signals for display. The apparatus includes a bus adapted to allow selective access for multiple independent image signals generated by respective independent image sources.
The selective access enables composition of the independent image signals in response to control information; the composition enables real time display of a composed image signal.
CA002055054A 1990-12-11 1991-11-06 Bus architecture for a multimedia system Expired - Fee Related CA2055054C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/625,577 US5245322A (en) 1990-12-11 1990-12-11 Bus architecture for a multimedia system
US07/625,577 1990-12-11

Publications (2)

Publication Number Publication Date
CA2055054A1 true CA2055054A1 (en) 1992-06-12
CA2055054C CA2055054C (en) 1996-10-22

Family

ID=24506728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002055054A Expired - Fee Related CA2055054C (en) 1990-12-11 1991-11-06 Bus architecture for a multimedia system

Country Status (6)

Country Link
US (1) US5245322A (en)
EP (1) EP0493881B2 (en)
JP (1) JPH04351181A (en)
BR (1) BR9105317A (en)
CA (1) CA2055054C (en)
DE (1) DE69113240T2 (en)

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JPH08331472A (en) * 1995-05-24 1996-12-13 Internatl Business Mach Corp <Ibm> Method and apparatus for synchronizing video data with graphic data in multimedia display device containing communal frame buffer
US5870622A (en) * 1995-06-07 1999-02-09 Advanced Micro Devices, Inc. Computer system and method for transferring commands and data to a dedicated multimedia engine
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US5692211A (en) * 1995-09-11 1997-11-25 Advanced Micro Devices, Inc. Computer system and method having a dedicated multimedia engine and including separate command and data paths
US5784592A (en) * 1995-09-11 1998-07-21 Advanced Micro Devices, Inc. Computer system which includes a local expansion bus and a dedicated real-time bus for increased multimedia performance
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Also Published As

Publication number Publication date
EP0493881B1 (en) 1995-09-20
EP0493881A3 (en) 1992-12-30
JPH04351181A (en) 1992-12-04
EP0493881B2 (en) 2000-04-26
DE69113240D1 (en) 1995-10-26
BR9105317A (en) 1992-08-25
US5245322A (en) 1993-09-14
DE69113240T2 (en) 1996-03-28
EP0493881A2 (en) 1992-07-08
CA2055054C (en) 1996-10-22

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Legal Events

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EEER Examination request
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