Recording and reproducing apparatus for time compressed video signals wherein said signals are expanded and converted into two separate channels before recording
US4780769A · kind A · utility
11Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1986 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Feb 4, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/7973
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording and reproducing apparatus wherein the video signal is time base expanded and separated into two channels before being recorded with a two headed recorder on two separate channels of a magnetic medium and wherein during reproduction the two channels from the magnetic medium are supplied to a time base corrector which supplies an output to a channel mixing and time base compressor which converts the two channels into a single output signal. A burst generator inserts burst signals into the two channels before they are recorded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.