CA2021828A1 - Systeme d'affichage a curseur graphique - Google Patents

Systeme d'affichage a curseur graphique

Info

Publication number
CA2021828A1
CA2021828A1 CA2021828A CA2021828A CA2021828A1 CA 2021828 A1 CA2021828 A1 CA 2021828A1 CA 2021828 A CA2021828 A CA 2021828A CA 2021828 A CA2021828 A CA 2021828A CA 2021828 A1 CA2021828 A1 CA 2021828A1
Authority
CA
Canada
Prior art keywords
cursor
cache
graphics
data rate
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.)
Granted
Application number
CA2021828A
Other languages
English (en)
Other versions
CA2021828C (fr
Inventor
David Christopher Haigh
Roy Bernard Harrison
Helen Rosalind Bonnor
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of CA2021828A1 publication Critical patent/CA2021828A1/fr
Application granted granted Critical
Publication of CA2021828C publication Critical patent/CA2021828C/fr
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
    • G09G5/08—Cursor circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/12—Frame memory handling
    • G09G2360/121—Frame memory handling using a cache memory

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)
  • Digital Computer Display Output (AREA)
CA002021828A 1989-10-12 1990-07-24 Systeme d'affichage a curseur graphique Expired - Fee Related CA2021828C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP89310460A EP0422300B1 (fr) 1989-10-12 1989-10-12 Système d'affichage à curseur graphique
EP89310460.4 1989-12-10

Publications (2)

Publication Number Publication Date
CA2021828A1 true CA2021828A1 (fr) 1991-04-13
CA2021828C CA2021828C (fr) 1995-10-10

Family

ID=8202816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002021828A Expired - Fee Related CA2021828C (fr) 1989-10-12 1990-07-24 Systeme d'affichage a curseur graphique

Country Status (5)

Country Link
US (1) US5376949A (fr)
EP (1) EP0422300B1 (fr)
JP (1) JPH03132793A (fr)
CA (1) CA2021828C (fr)
DE (1) DE68920148T2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015528A1 (fr) * 1993-11-30 1995-06-08 Vlsi Technology, Inc. Sous-systeme a memoire reaffectable permettant le transfert transparent de la fonction memoire pendant une operation d'augmentation de la capacite
US5859649A (en) * 1995-05-15 1999-01-12 Motorola, Inc. Data processing system having display controller with bursting direct memory access
US5686938A (en) * 1995-06-29 1997-11-11 Batkhan; Leonid Z. Adaptive cursor control system
US6064405A (en) * 1998-04-10 2000-05-16 Ati Technologies, Inc Method and apparatus for a cached video hardware cursor
US6965369B2 (en) * 2002-02-11 2005-11-15 Microsoft Corporation Method and apparatus for smoothing cursor movement in relation to a refresh rate of a display
CN101004904B (zh) * 2006-01-20 2010-06-02 深圳迈瑞生物医疗电子股份有限公司 光标加速显示装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911419A (en) * 1973-11-23 1975-10-07 Xerox Corp Controller for cursor positioning on a display medium
JPS5827509B2 (ja) * 1975-12-26 1983-06-09 株式会社日立製作所 画面分割制御装置におけるカ−ソル移動制御装置
NL179417C (nl) * 1976-06-22 1986-09-01 Hollandse Signaalapparaten Bv Inrichting voor het regelen van de helderheid waarmede videosignalen op een raster-scan-display worden afgebeeld.
DE2939458A1 (de) * 1979-09-28 1981-05-21 Siemens Ag System zur lokalisierung von bereichen bei gemischter text-/bildbearbeitung am bildschirm
US4467322A (en) * 1982-08-30 1984-08-21 Sperry Corporation Digital shade control for color CRT background and cursors
DE3370706D1 (en) * 1983-12-22 1987-05-07 Ibm Raster-scanned cathode ray tube display with cross-hair cursor
JPS61213892A (ja) * 1985-03-19 1986-09-22 株式会社アスキ− デイスプレイ・コントロ−ラ
GB8612930D0 (en) * 1986-05-28 1986-07-02 Int Computers Ltd Video display system
JPS6436327A (en) * 1987-07-31 1989-02-07 Hitachi Ltd Optical printer controller
CA1317041C (fr) * 1987-12-24 1993-04-27 Ncr Corporation Dispositif creant un curseur au moyen de bandes reliees aux lignes de balayage individuelles
US4891631A (en) * 1988-01-11 1990-01-02 Eastman Kodak Company Graphics display system

Also Published As

Publication number Publication date
JPH03132793A (ja) 1991-06-06
EP0422300A1 (fr) 1991-04-17
DE68920148T2 (de) 1995-06-29
CA2021828C (fr) 1995-10-10
EP0422300B1 (fr) 1994-12-21
US5376949A (en) 1994-12-27
DE68920148D1 (de) 1995-02-02

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Legal Events

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