Dynamic video RAM incorporating on chip vector/image mode line modification
US5148524A · kind A · utility
72Cited by
10References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1988 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Nov 29, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/126
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An architecture for a dynamic video random access memory on a single integrated circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.