Electro-optic zoom lens system
US8081291B2 · kind B2 · utility
1Cited by
13References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2007 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Mar 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/142
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fast, electro-optically switched zoom lens system operates across a broad spectral and thermal range while correcting for birefringent aberrations by means of a polarizing system that preferably includes polarizing reticles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.