Video amplifier stabilization for CRT printing
US5390020A · kind A · utility
1Cited by
37References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4076
- 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 that have the same illumination for the same CRT input signal, irregardless of the temperature variation, drift and aging of the components of the CRT video amplifier and drive circuit. The system also provides enhanced means of horizontal and vertical blanking combined with shutter control of the CRT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.