Optical recording/reproducing apparatus
US6310852A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Oct 8, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/13727
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording/reproducing apparatus comprises: a light receiving and emitting device that emits divergent optical beams and detects various signals on a disk; a collimator lens for converting the optical beams emitted from the device into parallel beams; an objective lens for converging the optical beams of the parallel beams onto the disk; and an objective-lens drive for driving the objective lens in a focusing direction perpendicular to a recording surface of the disk and in a radial direction parallel to the recording surface. The objective-lens drive is supported by suspensions attached at one end to a lens holder for holding the objective lens and to a fixing member at their other ends. The collimator lens is positioned between the objective lens and the fixing member. Thus, the optical recording/reproducing apparatus can be reduced in size and can improve the strength of the suspensions for supporting the objective-lens drive against disturbance vibration or impact caused when the optical recording/reproducing apparatus is dropped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.