EP0269174A3 - Logic circuit for expansion of monochrome display patterns to color form and video controller comprising such logic circuit - Google Patents
Logic circuit for expansion of monochrome display patterns to color form and video controller comprising such logic circuit Download PDFInfo
- Publication number
- EP0269174A3 EP0269174A3 EP87202226A EP87202226A EP0269174A3 EP 0269174 A3 EP0269174 A3 EP 0269174A3 EP 87202226 A EP87202226 A EP 87202226A EP 87202226 A EP87202226 A EP 87202226A EP 0269174 A3 EP0269174 A3 EP 0269174A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- logic circuit
- expansion
- color form
- expanded
- patterns
- 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.)
- Withdrawn
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
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/024—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour registers, e.g. to control background, foreground, surface filling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Generation (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93176086A | 1986-11-17 | 1986-11-17 | |
US931760 | 1986-11-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0269174A2 EP0269174A2 (en) | 1988-06-01 |
EP0269174A3 true EP0269174A3 (en) | 1989-10-18 |
Family
ID=25461308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87202226A Withdrawn EP0269174A3 (en) | 1986-11-17 | 1987-11-16 | Logic circuit for expansion of monochrome display patterns to color form and video controller comprising such logic circuit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0269174A3 (en) |
JP (1) | JPS63197289A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0422294A1 (en) * | 1989-10-12 | 1991-04-17 | International Business Machines Corporation | Display system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3784736A (en) * | 1971-09-17 | 1974-01-08 | J Novak | Method and apparatus for converting monochrome pictures to multi-color pictures electronically |
EP0084122A2 (en) * | 1982-01-11 | 1983-07-27 | International Business Machines Corporation | Display-attribute control for an alphanumeric color display |
EP0167802A2 (en) * | 1984-06-06 | 1986-01-15 | Hitachi, Ltd. | Character and pattern display system |
-
1987
- 1987-11-16 EP EP87202226A patent/EP0269174A3/en not_active Withdrawn
- 1987-11-17 JP JP29047287A patent/JPS63197289A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3784736A (en) * | 1971-09-17 | 1974-01-08 | J Novak | Method and apparatus for converting monochrome pictures to multi-color pictures electronically |
EP0084122A2 (en) * | 1982-01-11 | 1983-07-27 | International Business Machines Corporation | Display-attribute control for an alphanumeric color display |
EP0167802A2 (en) * | 1984-06-06 | 1986-01-15 | Hitachi, Ltd. | Character and pattern display system |
Also Published As
Publication number | Publication date |
---|---|
EP0269174A2 (en) | 1988-06-01 |
JPS63197289A (en) | 1988-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT SE |
|
17P | Request for examination filed |
Effective date: 19900417 |
|
17Q | First examination report despatched |
Effective date: 19920206 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920617 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MAC KENNA,CRAIG ALDEN Inventor name: LI, JAN-KWEI JACK |