Prism module and folded lens using same
US11803041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2020 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Aug 10, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/646
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a prism module and a folded lens. The prism module includes a housing having an accommodation cavity, a prism assembly, a rotation shaft for rotationally connecting the prism assembly and the housing, a driving assembly for driving the prism assembly to rotate around the rotation shaft and a restoring assembly for resetting the prism assembly. The restoring assembly includes a first magnet and a second magnet. The first magnet is fixed on the prism assembly, and the second magnet is fixed on the housing and is set opposite to the first magnet with distance. The prism module of the invention can realize the resetting of the prism assembly, with small space occupation and convenient for assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.