Camera shake correction device
US11212445B2 · kind B2 · utility
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7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Sep 18, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0038
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a camera shake correction device including a first yoke plate, a second yoke plate that is opposed to the first yoke plate, a slider located between the first yoke plate and the second yoke plate, and slidable while supporting an image sensor, a magnet supported by the first yoke plate and configured to form a magnet circuit between the magnet and the second yoke plate, a driving coil fixed to the slider and configured to generate a driving force that slides the slider, a non-magnetic sheet provided between the magnet and the slider, and a magnetic fluid provided between the magnet and the non-magnetic sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.