Carriage servo method and apparatus for determining and setting a drive signal
US7173887B2 · kind B2 · utility
3Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Jan 2, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/08505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A carriage servo apparatus according to the present invention comprises: a carriage for supporting a pickup that records or reproduces information relevant to an information recording face; and a carriage motor for moving the carriage in a direction parallel to the information recording face based on a motor drive signal. This carriage servo apparatus further comprises a microcomputer for detecting a minimum value of a motor drive signal required for moving the carriage from its still state, and setting a motor drive signal when recording or reproducing information, based on the detected minimum value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.