Method and apparatus for increasing the rate of scrolling in a frame buffer system designed for windowing operations
US5805133A · kind A · utility
8Cited by
20References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 22, 1996 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Nov 22, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/346
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A frame buffer including a memory array, circuitry for accessing the array, a plurality of latches each capable of storing a plurality of pixel values equivalent to a large portion of a row of pixels in the array which may be read simultaneously from the array, and circuitry for writing simultaneously to the memory cells of a row of the array the data stored in the latches whereby a row of pixels may be read and written back to the array bus in a minimum time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.