Automatic digital convergence correcting method and apparatus therefor
US5497054A · kind A · utility
8Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1994 |
| Grant date | Mar 5, 1996 |
| Priority date | — |
| Expiry date | Aug 31, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/28
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an automatic digital convergence correction method and apparatus therefore employing a CRT-type display, the vertical and horizontal convergence with respect to the red and green CRTs are tracked based on the ideal seed point within a test pattern generated via the green CRT so that the vertical and horizontal convergence match, to thereby enhance the accuracy of a correction operation and reduce the correction time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.