Television receiver protection circuit
US4042858A · kind A · utility
16Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1976 |
| Grant date | Aug 16, 1977 |
| Priority date | — |
| Expiry date | Jul 8, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K4/085
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A protection circuit for a television receiver which disables the television receiver by disabling the horizontal deflection circuit in response to fault conditions is shown. The protection circuit detects excessive current drain by a low voltage supply, excessive current drain by a high voltage supply, and excessive high voltage. In response to any one of these fault conditions, the horizontal deflection circuit is disabled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.