Dual lens driving apparatus and electronic device
US10466435B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2017 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Jan 6, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0069
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dual lens driving apparatus includes a holder, a metal yoke, a carrier, a coil, a first magnet, a first elastic element and a second elastic element. The metal yoke is corresponding to the holder and includes a front end which includes a plate surface and a plurality of step portions, and a level difference is between each of the step portions and the plate surface. The carrier is movably disposed in the metal yoke. The coil is disposed around the carrier. The first magnet is disposed in the metal yoke. The first elastic element is assembled on a side of the carrier facing the front end of the metal yoke. The second elastic element is assembled on another side of the carrier facing the holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.