Magnetic video pilot signal recording/reproducing system
US4550345A · kind A · utility
22Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1982 |
| Grant date | Oct 29, 1985 |
| Priority date | — |
| Expiry date | Dec 8, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/467
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a video tape recorder of the rotary two-head helically scanning type, a magnetic recording/reproducing system provided with a mode judging device in which a video signal is recorded onto a recording track in a multiplex manner together with a pilot signal for use in judgement of the recording time mode and when the record is reproduced the pilot signal is detected to thereby judge the recording time mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.