Disc detection apparatus for slot-in optical disc drive
US6944870B2 · kind B2 · utility
0Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2003 |
| Grant date | Sep 13, 2005 |
| Priority date | — |
| Expiry date | Oct 14, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc detection apparatus for a slot-in optical disc drive. The apparatus includes a body, a light emitting device, a rolling unit, and a light receiving device. The light emitting device is disposed on the body, as is the rolling unit. The light receiving device is disposed on the rolling unit, wherein the light receiving device and the rolling unit are integral, conserving considerable deployment space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.