Fully digitized video signal reproducing apparatus
US4736238A · kind A · utility
18Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1986 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Dec 12, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/88
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital television circuit in which the analog FM video signal is first digitized and all processing is performed digitally, including FM demodulation. Clocks at the subcarrier frequency and four times this frequency are synchronized with the horizontal synchronizing circuit or color burst signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.