Automatic tilt compensator and optical recording/reproducing apparatus having the same
US6654326B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2000 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | May 2, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/08582
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An automatic tilt compensator senses and automatically compensates for a disc deformation while an optical recording and/or reproducing apparatus operates. The automatic tilt compensator of an optical recording/reproducing apparatus has a disc deformation detecting section for sensing a deformation direction and a deformation degree of a disc seated and rotated on a disc rotation unit of a deck base and for outputting a predetermined signal, and a level adjustment section for elevating and lowering a pair of guide shafts movably supporting a pickup unit on the deck base while being operated by the signal from the disc deformation detecting section, to thereby adjust the level of the pickup unit corresponding to the deformation degree of the disc. According to this, the level of the pickup unit according to the deformation direction or the deformation degree of the disc can be automatically adjusted while the optical recording/reproducing device is operated. Accordingly, even when a deformed disc is inserted, since the level of the pickup unit is automatically adjusted according to the deformed disc, errors in recording and reproducing information caused due to the deformed disc can…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.