CA2021828A1 - Systeme d'affichage a curseur graphique - Google Patents
Systeme d'affichage a curseur graphiqueInfo
- 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
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)
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)
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)
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 |
-
1989
- 1989-10-12 EP EP89310460A patent/EP0422300B1/fr not_active Expired - Lifetime
- 1989-10-12 DE DE68920148T patent/DE68920148T2/de not_active Expired - Fee Related
-
1990
- 1990-07-24 CA CA002021828A patent/CA2021828C/fr not_active Expired - Fee Related
- 1990-08-30 JP JP2226814A patent/JPH03132793A/ja active Pending
-
1993
- 1993-08-16 US US08/108,135 patent/US5376949A/en not_active Expired - Fee Related
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
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |