Fine tuning indicator for TV with synchronous detector
US4160278A · kind A · utility
2Cited by
0References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1977 |
| Grant date | Jul 3, 1979 |
| Priority date | — |
| Expiry date | Dec 12, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A fine tuning indicator for a television receiver uses a synchronous detector for generating a control voltage indicative of the tuning accuracy. The control voltage is sensed by an indicating circuit which produces a visual indication of the tuned or mistuned condition of the receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.