Band identification in time-based servopositioning formats
US7139151B2 · kind B2 · utility
15Cited by
14References
17Claims
0Family size
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Key dates
| Filing date | Mar 3, 2003 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Aug 2, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/584
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Time-based servopositioning systems, methods, formats, and data recording media used in association with the same, employing bands of signals that differ from each other in the polarity of the servo signal, or the orientation of the servo signal, or the pattern width of the servo signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.