Image blur correction apparatus and image pickup unit having image blur correction apparatus
US8792166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2010 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Feb 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2007/145
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image blur correction apparatus includes a base, a movable holding member, a support mechanism that supports the movable holding member to be movable within a plane vertical to an optical axis of a lens, a driving means for driving the movable holding member, a position detecting unit, and a returning unit for returning the movable holding member to a pause position, wherein the driving unit includes coils fixed to the base and drive magnets fixed to the movable holding member, the returning unit includes return magnets fixed to the base to face the drive magnets, the position detecting means includes magnetic sensors fixed to the base, and the support mechanism includes at least three concave portions provided on the base, at least three spheres rollably arranged in the concave portions, and at least three abutment surfaces provided on the movable holding member to abut on the spheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.