Address producing circuit for zoom function
US5107254A · kind A · utility
11Cited by
5References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1989 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Jul 11, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/391
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an address producing circuit for zoom function in which horizontal and vertical addresses are to make more free selection of a partial picture around a plurality of locations disposed on a screen of a monitor device, and image data stored in a predetermined address region according to the selection is read out to display on the screen, so that the picture of the selected partial region can be magnified to a whole screen picture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.