Optical read/write device
US8028309B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Sep 27, 2011 |
| Priority date | — |
| Expiry date | Jun 5, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/08582
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one aspect, an optical read/write device for reading and/or writing an optical disk includes a rack disposed between the worm gear and the optical pickup head for transferring motion from the worm gear to the optical pickup head. The rack includes a fastening portion for fixing the rack to the optical pickup head, an engaging portion, a spring placed between the fastening portion and the engaging portion for pressing the engaging portion to engage with the worm gear, and a connecting portion. The connecting portion is configured for connecting the fastening portion and the engaging portion and preventing the engaging portion from disengaging from the worm gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.