Electro-optic light shutter
US4621903A · kind A · utility
4Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1984 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Jan 4, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/055
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electro-optic light shutter is disclosed which includes a ceramic body having electro-optic effect and a pair of electrodes applying A.C. voltage to the ceramic body to cause electro-optic effect, wherein the ceramic body is formed of PLZT ceramics having memory effect at a room temperature and loses the memory effect at an elevated operating temperature caused by application of A.C. voltage to the ceramic body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.