DE68925775D1 - Generation of raster video signals for a monitor with improved resolution - Google Patents

Generation of raster video signals for a monitor with improved resolution

Info

Publication number
DE68925775D1
DE68925775D1 DE68925775T DE68925775T DE68925775D1 DE 68925775 D1 DE68925775 D1 DE 68925775D1 DE 68925775 T DE68925775 T DE 68925775T DE 68925775 T DE68925775 T DE 68925775T DE 68925775 D1 DE68925775 D1 DE 68925775D1
Authority
DE
Germany
Prior art keywords
monitor
generation
video signals
improved resolution
raster video
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
DE68925775T
Other languages
German (de)
Other versions
DE68925775T2 (en
Inventor
Anthony John Matthews
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.)
Research Machines PLC
Original Assignee
Research Machines PLC
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 Research Machines PLC filed Critical Research Machines PLC
Application granted granted Critical
Publication of DE68925775D1 publication Critical patent/DE68925775D1/en
Publication of DE68925775T2 publication Critical patent/DE68925775T2/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
    • 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
    • G09G1/28—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 colour tubes
    • G09G1/285—Interfacing with colour displays, e.g. TV receiver
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Systems (AREA)
DE1989625775 1988-10-07 1989-10-05 Generation of raster video signals for a monitor with improved resolution Expired - Lifetime DE68925775T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8823628A GB2229344B (en) 1988-10-07 1988-10-07 Generation of raster scan video signals for an enhanced resolution monitor

Publications (2)

Publication Number Publication Date
DE68925775D1 true DE68925775D1 (en) 1996-04-04
DE68925775T2 DE68925775T2 (en) 1996-09-05

Family

ID=10644897

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989625775 Expired - Lifetime DE68925775T2 (en) 1988-10-07 1989-10-05 Generation of raster video signals for a monitor with improved resolution

Country Status (3)

Country Link
EP (1) EP0363204B1 (en)
DE (1) DE68925775T2 (en)
GB (1) GB2229344B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179639A (en) * 1990-06-13 1993-01-12 Massachusetts General Hospital Computer display apparatus for simultaneous display of data of differing resolution
JPH09307744A (en) * 1996-05-10 1997-11-28 Oki Data:Kk Resolution conversion method and resolution conversion device
US10885883B2 (en) 2017-01-25 2021-01-05 Apple Inc. Electronic device with foveated display system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484188A (en) * 1982-04-23 1984-11-20 Texas Instruments Incorporated Graphics video resolution improvement apparatus
US4673929A (en) * 1984-04-16 1987-06-16 Gould Inc. Circuit for processing digital image data in a high resolution raster display system
US4783652A (en) * 1986-08-25 1988-11-08 International Business Machines Corporation Raster display controller with variable spatial resolution and pixel data depth
IL83515A (en) * 1986-10-14 1991-03-10 Ibm Digital display system
GB2207029A (en) * 1987-07-14 1989-01-18 Silicongraphics Inc Computer system for converting a higher resolution image to a lower resolution image

Also Published As

Publication number Publication date
EP0363204B1 (en) 1996-02-28
EP0363204A3 (en) 1991-12-27
GB2229344A (en) 1990-09-19
DE68925775T2 (en) 1996-09-05
GB2229344B (en) 1993-03-10
GB8823628D0 (en) 1988-11-16
EP0363204A2 (en) 1990-04-11

Similar Documents

Publication Publication Date Title
AU4649785A (en) Cardiac signal real time monitor
EP0130693A3 (en) A technique for the time compression multiplexing of three television signals
DE3851083D1 (en) Multi-electron beam pattern recorder.
GB2141908B (en) Multi-level raster scan display arrangement
GB2201317B (en) Picture-in-picture video signal generator
GB1545721A (en) Control unit for the brightness of video signals on a raster scan display
GB8815182D0 (en) Manipulating video image signals
DE3850996D1 (en) Multi-electron beam pattern recorder.
GB2203015B (en) An interlace inversion corrector for a picture-in-picture video signal generator
GB8717066D0 (en) Scrambling of analogue electrical signals
DE68925775D1 (en) Generation of raster video signals for a monitor with improved resolution
GB8825160D0 (en) Production of video recordings
GB8813751D0 (en) Zone plate signal generator
FR2624992B1 (en) PERIODIC TIME SIGNAL GENERATOR FRACTAL TYPE
GB2214751B (en) Video signal coding
DE3877994D1 (en) GENERATOR OF PATTERN DISPLAY SIGNALS AND DISPLAY DEVICE USING THESE SIGNALS.
GB2135852B (en) Arrangement for converting an analog video signal into a two-level signal
GB8807981D0 (en) Shields for video recorders
GB8826546D0 (en) Production of images
DE69414967D1 (en) Generation of vertical deflection signals for television
GR880100325A (en) Raster picture generator
GB9014782D0 (en) Video signal generation
GB8626166D0 (en) Generating test signals
GB9110218D0 (en) Production of images on fabrics draughted on the grid system
IT9022241A0 (en) PROCEDURE FOR PRODUCING REGENERATED HUMIC ACIDS FROM COAL

Legal Events

Date Code Title Description
8364 No opposition during term of opposition