Lens driving device
US10444465B2 · kind B2 · utility
2Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2018 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Jan 31, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0927
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens driving device includes a housing with an accommodation space, a barrel accommodated in the housing, a coil wound around the barrel and a magnet fixed to the housing. The lens driving device further includes a spring piece at least partially made of amorphous alloy materials, and the spring piece support the described barrel to perform the to-and-fro motion along the axis. Comparing to the relevant technologies, the lens driving device has good performance and high reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.