Zoom lens assembly controlled by shape memory material
US7652828B2 · kind B2 · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 2008 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Jan 2, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03G7/0665
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A zoom lens assembly comprises a first optical component, a second optical component, and an actuator. The actuator comprises a shape memory material that changes its shape in response to electrical or thermal fields to change the distance between the first and second optical components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.