CA2021829A1 - Systeme d'affichage - Google Patents

Systeme d'affichage

Info

Publication number
CA2021829A1
CA2021829A1 CA 2021829 CA2021829A CA2021829A1 CA 2021829 A1 CA2021829 A1 CA 2021829A1 CA 2021829 CA2021829 CA 2021829 CA 2021829 A CA2021829 A CA 2021829A CA 2021829 A1 CA2021829 A1 CA 2021829A1
Authority
CA
Canada
Prior art keywords
pixel
bit
display
character
word
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.)
Abandoned
Application number
CA 2021829
Other languages
English (en)
Inventor
Roger T. Wood
Roy B. Harrison
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 CA2021829A1 publication Critical patent/CA2021829A1/fr
Abandoned 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
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • 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
    • G09G5/22—Control 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
    • 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
    • G09G5/22—Control 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
    • G09G5/30—Control of display attribute

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)
CA 2021829 1989-10-12 1990-07-24 Systeme d'affichage Abandoned CA2021829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP89310454.7 1989-10-12
EP89310454A EP0422294A1 (fr) 1989-10-12 1989-10-12 Système d'affichage

Publications (1)

Publication Number Publication Date
CA2021829A1 true CA2021829A1 (fr) 1991-04-13

Family

ID=8202810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2021829 Abandoned CA2021829A1 (fr) 1989-10-12 1990-07-24 Systeme d'affichage

Country Status (3)

Country Link
EP (1) EP0422294A1 (fr)
JP (1) JPH03134699A (fr)
CA (1) CA2021829A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4405329A1 (de) * 1994-02-21 1995-08-24 Vobis Microcomputer Ag Verfahren zur Textdarstellung im CGA-Graphikmodus auf einem Bildschirm eines Personalcomputers
US6069613A (en) * 1997-10-16 2000-05-30 Phoenix Technologies Ltd. Basic input-output system (BIOS) read-only memory (ROM) including expansion table for expanding monochrome images into color image
US7006077B1 (en) * 1999-11-30 2006-02-28 Nokia Mobile Phones, Ltd. Electronic device having touch sensitive slide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919993A (ja) * 1982-07-27 1984-02-01 株式会社東芝 キヤラクタ表示回路
JPS60173585A (ja) * 1984-02-20 1985-09-06 株式会社リコー 表示制御方式
JPS60258589A (ja) * 1984-06-06 1985-12-20 株式会社日立製作所 文字図形表示回路
JP2835719B2 (ja) * 1986-07-14 1998-12-14 株式会社日立製作所 画像処理装置
JPS6358395A (ja) * 1986-08-11 1988-03-14 テクトロニックス・インコ−ポレイテッド カラ−表示装置
EP0269174A3 (fr) * 1986-11-17 1989-10-18 Koninklijke Philips Electronics N.V. Circuit logique permettant l'extension couleur des écrans monochromes et contrôleur vidéo comportant un tel circuit logique

Also Published As

Publication number Publication date
EP0422294A1 (fr) 1991-04-17
JPH03134699A (ja) 1991-06-07

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead