Lens drive device, camera module, and camera mount device
US11520118B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Dec 19, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0069
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This lens drive device 1 comprises: an autofocus drive unit for performing autofocus using a driving force of a voice coil motor configured from a first coil part 112 and a magnet part 122; and a shake correction drive unit for performing shake correction using a driving force of a voice coil motor configured from a second coil part 231 and the magnet part 122. The magnet part 122 includes first magnets 122A, 122C disposed at two mutually facing sides among the four sides of a substantially rectangular-shaped lens drive device in a plan view, and a second magnet 122B disposed at another side. The side the second magnet 122B faces is designated a no-magnet disposed section R where no magnet is disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.