Editing system for video apparatus
US4314285A · kind A · utility
18Cited by
8References
10Claims
0Family size
Inventors
Key dates
| Filing date | May 11, 1979 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | May 11, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S358/908
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An advertising editing system for a video apparatus including a relay for controlling the operation of the video apparatus and a detector for sampling the voltage of the video signal and a comparator for comparing the sampled voltage amplitude with a reference voltage to provide an output voltage signal upon absence of picture information in the video signal for a period of time corresponding to at least one frame to activate the relay and condition the video apparatus during the period of the commercial message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.