FR2520527B1 - DEVICE FOR READING AND WRITING THE PAGE MEMORY OF A CATHODE SCREEN TERMINAL - Google Patents
DEVICE FOR READING AND WRITING THE PAGE MEMORY OF A CATHODE SCREEN TERMINALInfo
- Publication number
- FR2520527B1 FR2520527B1 FR8201011A FR8201011A FR2520527B1 FR 2520527 B1 FR2520527 B1 FR 2520527B1 FR 8201011 A FR8201011 A FR 8201011A FR 8201011 A FR8201011 A FR 8201011A FR 2520527 B1 FR2520527 B1 FR 2520527B1
- Authority
- FR
- France
- Prior art keywords
- writing
- reading
- page memory
- screen terminal
- cathode screen
- 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
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
- G09G5/001—Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
-
- 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
- G09G5/222—Control of the 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
- G09G5/24—Generation of individual character patterns
- G09G5/26—Generation of individual character patterns for modifying the character dimensions, e.g. double width, double height
-
- 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)
- Multimedia (AREA)
- Controls And Circuits For Display Device (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8201011A FR2520527B1 (en) | 1982-01-22 | 1982-01-22 | DEVICE FOR READING AND WRITING THE PAGE MEMORY OF A CATHODE SCREEN TERMINAL |
EP83400100A EP0085593A1 (en) | 1982-01-22 | 1983-01-14 | Device to read and write to a page memory of a CRT terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8201011A FR2520527B1 (en) | 1982-01-22 | 1982-01-22 | DEVICE FOR READING AND WRITING THE PAGE MEMORY OF A CATHODE SCREEN TERMINAL |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2520527A1 FR2520527A1 (en) | 1983-07-29 |
FR2520527B1 true FR2520527B1 (en) | 1987-06-05 |
Family
ID=9270245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8201011A Expired FR2520527B1 (en) | 1982-01-22 | 1982-01-22 | DEVICE FOR READING AND WRITING THE PAGE MEMORY OF A CATHODE SCREEN TERMINAL |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0085593A1 (en) |
FR (1) | FR2520527B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0614273B2 (en) * | 1984-07-24 | 1994-02-23 | 三菱電機株式会社 | Video display controller |
US4742350A (en) * | 1986-02-14 | 1988-05-03 | International Business Machines Corporation | Software managed video synchronization generation |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6036592B2 (en) * | 1979-06-13 | 1985-08-21 | 株式会社日立製作所 | Character graphic display device |
-
1982
- 1982-01-22 FR FR8201011A patent/FR2520527B1/en not_active Expired
-
1983
- 1983-01-14 EP EP83400100A patent/EP0085593A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2520527A1 (en) | 1983-07-29 |
EP0085593A1 (en) | 1983-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |