Dynamic gain correction for CRT printing
US5303056A · kind A · utility
6Cited by
27References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4015
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system is provided that causes the CRT of a CRT printer to produce images on the screen of the CRT, which when projected onto a photographic media will have uniform illumination at all points on the photographic media. The system accomplishes the foregoing by dynamically changing the amplitude (gain) of the video image signal applied to the CRT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.