Focusing apparatus and terminal comprising variable focus lens assembly
US8282004B2 · kind B2 · utility
14Cited by
25References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Sep 12, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10831
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is described a focusing apparatus having a deformable membrane that at least partially defines a cavity and an optical fluid disposed in the cavity. An actuator assembly can be provided for imparting a force to the deformable membrane. In one embodiment, the actuator assembly can include a piezoelectric actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.