Lens shutter and aperture control devices
US8842355B2 · kind B2 · utility
12Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2007 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Jul 28, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/883
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to provide shutter and/or aperture control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.