Method for detecting and processing synchronization marks extracted from a prerecorded wobbled groove on a compact disk
US5508985A · kind A · utility
67Cited by
2References
2Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 11, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Oct 11, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B27/3027
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for detecting and processing synchronization marks extracted from a prerecorded wobbled groove formed in a compact disk in order to produce pseudo-sync signals using a high frequency phase locked loop servoing to the disk speed to generate the signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.