Optical pickup
US4687296A · kind A · utility
16Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1985 |
| Grant date | Aug 18, 1987 |
| Priority date | — |
| Expiry date | Aug 22, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0932
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical pickup of the invention has an objective lens holder holding an objective lens, a support shaft which supports the objective lens holder such that the holder is slidable along the axial direction and pivotable about its axis, and a press member for pressing the objective lens holder against the support shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.