Apparatus for improving the presentation of graphics data on a television display
US6552750B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2000 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Mar 21, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit for converting a selected portion of graphics data generated for a computer display for presentation on a selected portion of a television display including a first data path for transferring graphics data from a frame buffer memory storing graphics data to a television display without changing the size of the data, a second data path for transferring graphics data from the frame buffer memory storing graphics data to the television display while selectably changing the size of the data, the second data path including circuitry for selecting a portion of the television display to present the selected data transferred by the second data path, and zooming circuitry for enlarging data transferred by the second data path to fill the selected portion of the television display, and means for selecting data stored in the frame buffer for display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.