DE3885133D1 - Anzeigeeinrichtung mit einem Schriftartspeicher für Symbole. - Google Patents

Anzeigeeinrichtung mit einem Schriftartspeicher für Symbole.

Info

Publication number
DE3885133D1
DE3885133D1 DE88104227T DE3885133T DE3885133D1 DE 3885133 D1 DE3885133 D1 DE 3885133D1 DE 88104227 T DE88104227 T DE 88104227T DE 3885133 T DE3885133 T DE 3885133T DE 3885133 D1 DE3885133 D1 DE 3885133D1
Authority
DE
Germany
Prior art keywords
symbols
display device
font memory
font
memory
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 - Fee Related
Application number
DE88104227T
Other languages
English (en)
Other versions
DE3885133T2 (de
Inventor
David Andrew Clarke
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 DE3885133D1 publication Critical patent/DE3885133D1/de
Application granted granted Critical
Publication of DE3885133T2 publication Critical patent/DE3885133T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control 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
    • G09G5/39Control of the bit-mapped memory
    • G09G5/393Arrangements for updating the contents of the bit-mapped memory
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/12Frame memory handling
    • G09G2360/121Frame 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)
DE88104227T 1987-04-02 1988-03-17 Anzeigeeinrichtung mit einem Schriftartspeicher für Symbole. Expired - Fee Related DE3885133T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8707849A GB2203316B (en) 1987-04-02 1987-04-02 Display system with symbol font memory

Publications (2)

Publication Number Publication Date
DE3885133D1 true DE3885133D1 (de) 1993-12-02
DE3885133T2 DE3885133T2 (de) 1994-05-05

Family

ID=10615087

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88104227T Expired - Fee Related DE3885133T2 (de) 1987-04-02 1988-03-17 Anzeigeeinrichtung mit einem Schriftartspeicher für Symbole.

Country Status (6)

Country Link
US (1) US4918429A (de)
EP (1) EP0284904B1 (de)
JP (1) JP2548765B2 (de)
CA (1) CA1294381C (de)
DE (1) DE3885133T2 (de)
GB (1) GB2203316B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5272768A (en) * 1989-02-21 1993-12-21 Hewlett-Packard Company Blank strip font compression method and device, and resulting stored, decompressible font
EP0422298B1 (de) * 1989-10-12 1994-12-21 International Business Machines Corporation Anzeigesystem
JPH04220764A (ja) * 1990-03-13 1992-08-11 Hewlett Packard Co <Hp> 文字フォント圧縮方法および装置
JPH0426890A (ja) * 1990-05-22 1992-01-30 Sharp Corp 文字表示装置
GB9027678D0 (en) * 1990-12-20 1991-02-13 Ncr Co Videographics display system
US5448264A (en) * 1991-03-15 1995-09-05 Hewlett-Packard Company Method and apparatus for separate window clipping and display mode planes in a graphics frame buffer
JP2647348B2 (ja) * 1993-09-20 1997-08-27 インターナショナル・ビジネス・マシーンズ・コーポレイション クリッピング・プレーン・データ記憶システム及び方法
US5519825A (en) * 1993-11-16 1996-05-21 Sun Microsystems, Inc. Method and apparatus for NTSC display of full range animation
EP0663659A3 (de) * 1993-12-30 1995-11-22 Ibm Anzeige von Zeichen in einem Datenverarbeitungssystem.
US5590260A (en) * 1993-12-30 1996-12-31 International Business Machines Corporation Method and apparatus for optimizing the display of fonts in a data processing system
US5764964A (en) * 1994-10-13 1998-06-09 International Business Machines Corporation Device for protecting selected information in multi-media workstations
JPH096326A (ja) * 1995-06-23 1997-01-10 Konami Co Ltd 画像表示装置
WO1997008676A1 (en) * 1995-08-28 1997-03-06 Cirrus Logic, Inc. Circuits and methods for controlling the refresh of a frame buffer comprising an off-screen area
US5929868A (en) * 1996-09-27 1999-07-27 Apple Computer, Inc. Method and apparatus for computer display memory management
US20060017738A1 (en) * 2004-07-23 2006-01-26 Juraj Bystricky System and method for detecting memory writes to initiate image data transfers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US448656A (en) * 1891-03-24 And john a
GB2038596B (en) * 1978-12-20 1982-12-08 Ibm Raster display apparatus
JPS55159244A (en) * 1979-05-31 1980-12-11 Casio Comput Co Ltd Character pattern registration system
JPS5749988A (en) * 1980-09-10 1982-03-24 Oki Electric Ind Co Ltd Display control system
JPS57121731A (en) * 1981-01-20 1982-07-29 Casio Comput Co Ltd Character generator controlling system
US4400697A (en) * 1981-06-19 1983-08-23 Chyron Corporation Method of line buffer loading for a symbol generator
US4408200A (en) * 1981-08-12 1983-10-04 International Business Machines Corporation Apparatus and method for reading and writing text characters in a graphics display
JPS5856140A (ja) * 1981-09-30 1983-04-02 Fujitsu Ltd デ−タ処理装置出力装置
US4486856A (en) * 1982-05-10 1984-12-04 Teletype Corporation Cache memory and control circuit
GB2137856B (en) * 1983-04-06 1987-07-08 Quantel Ltd Image processing system
US4679038A (en) * 1983-07-18 1987-07-07 International Business Machines Corporation Band buffer display system
JPS6051924A (ja) * 1983-08-31 1985-03-23 Toshiba Corp 外字アクセス方式
JPH0640257B2 (ja) * 1983-10-11 1994-05-25 キヤノン株式会社 情報出力装置
SE454224B (sv) * 1985-04-10 1988-04-11 Lundstrom Jan Erik Bildskermsenhet for presentation av grafisk information
US4718024A (en) * 1985-11-05 1988-01-05 Texas Instruments Incorporated Graphics data processing apparatus for graphic image operations upon data of independently selectable pitch
US4752893A (en) * 1985-11-06 1988-06-21 Texas Instruments Incorporated Graphics data processing apparatus having image operations with transparent color having a selectable number of bits

Also Published As

Publication number Publication date
GB8707849D0 (en) 1987-05-07
JPH01210990A (ja) 1989-08-24
US4918429A (en) 1990-04-17
CA1294381C (en) 1992-01-14
EP0284904B1 (de) 1993-10-27
GB2203316B (en) 1991-04-03
JP2548765B2 (ja) 1996-10-30
EP0284904A3 (en) 1990-09-19
EP0284904A2 (de) 1988-10-05
GB2203316A (en) 1988-10-12
DE3885133T2 (de) 1994-05-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee