Optical head having light transmissive carriage
US5214630A · kind A · utility
18Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jan 4, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A carriage which is provided with a light beam focusing lens for focusing the light beam on an optical disc is made of light transmissible material, a light reflection part is formed at one end part in one body of the carriage, and a carriage holding mechanism is disposed on both sides in one body thereof so as to be movable in the radial direction of the optical disc, the light beam is applied to the carriage at the other end part thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.