Optical unit with shake correcting function
US9049375B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2011 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Dec 28, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/6812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical unit may include a fixed body; a movable module which holds an optical element; a swing support point which swingably supports the movable module; a shake correction drive mechanism which swings the movable module with the swing support point as a swing center around two axial lines intersecting an optical axis direction of the optical element between an outer peripheral face of the movable module and the fixed body; a first photo reflector provided between a bottom part of the movable module and the fixed body at a position superposing on one of the two axial lines and that detects displacement of the movable module; and a second photo reflector provided between the bottom part of the movable module and the fixed body at a position superposing on the other of the two axial lines and that detects displacement of the movable module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.