Circuit for detecting ghosts in TV antenna systems
US4096529A · kind A · utility
2Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1977 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Mar 25, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/211
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The presence of ghosts or other similar interference in a television signal is detected and indicated by comparing the peak voltage levels of the horizontal blanking pulses on opposite sides of the horizontal synchronizing pulses in the television signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.