Block oriented random access memory able to perform a data read, a data write and a data refresh operation in one block-access time
US4823302A · kind A · utility
22Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1987 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Jan 30, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/409
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video memory system which uses dynamic digital data storage elements allows random access to blocks of 32 pixel values. The pixel values to be stored in a block are applied sequentially to the memory system and the pixel values provided by the memory system are provided sequentially. The block oriented random access memory which stores and provides the blocks of 32 pixel values is configured to be able to perform a block read, a block write and a refresh operation in the time required to provide one 32 pixel block to or from the video memory system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.