Apparatus for fixing half mirror of optical pickup
US6928044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2002 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Mar 16, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for fixing a half mirror of an optical pickup includes a pair of left-hand-side and right-hand-side presser plate portions 12b, which are respectively extended from both side edge portions of the fastening device body 12a and caused to elastically abut against a surface of the half mirror 3. This apparatus further comprises a pair of left-hand-side and right-hand-side engaging claw portions 12c respectively bent from both side edge portions of the fastening device body 12a in a direction opposite to a direction, wherein the left-hand-side and right-hand-side presser plate portions 12b are extended, to thereby engage with the inner surface 5c, and a catch piece portion 12d bent from a central portion of the fastening device body 12a and extended to a peripheral edge of the opening portion 2a of the light passing hole 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.