Head control means for optical videodisc player
US4124868A · kind A · utility
3Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1976 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Sep 21, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2587
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to methods for controlling the starting and stopping of the reading of recording supports read in appropriate readers. The method according to the invention comprises providing a zone free from information at least at the beginning of the track of such a support. The reading head of the reader advances rapidly to that zone and, after having detected the presence thereof, continues its advance at a normal speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.