Method and apparatus for concurrently scanning and filling a memory
US5519413A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1993 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Nov 19, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for concurrently scanning and filling a memory comprised of at least a first and a second memory partition for use in a video display of the ping-pong type is provided herein. A method according to the present invention includes scanning the first memory partition and concurrently filling the second memory partition, such that a fill pattern is stored in every memory cell in the second memory partition during a time period in which a portion of memory cells in the first memory partition are scanned. A method in accordance with the invention can be incorporated into a video display system with minimal modifications to provide a fast fill or clear of a memory partition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.