Method and apparatus for detecting a control signal
US4837640A · kind A · utility
8Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1987 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Jun 19, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/913
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is concerned with a method and apparatus for detecting control signals recorded on a continuous recording area on the recording medium at an elevated speed. When k out of n past read-out control signals have been read correctly as being the prescribed control signal, the signal is concluded to be the prescribed control signal. It is possible in this manner to read out the control signals accurately even when the error rate is high, as during high speed searching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.