Horizontal deflection waveform correction circuit
US5355058A · kind A · utility
11Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1993 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Jul 29, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N3/2335
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A deflection apparatus comprises a deflection amplifier coupled to a deflection waveform modulation circuit such as a diode modulator. An East-West modulation signal is generated by a digital to analog convertor in accordance with a reference potential coupled thereto. The modulation signal has a DC component for width control, and is coupled to an input of a comparator. The reference potential is also coupled to an input of the comparator to establish a reference bias therefor. The comparator has an output coupled to the deflection waveform modulation circuit to provide the East-West modulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.