Optical switching device
US4049964A · kind A · utility
14Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1976 |
| Grant date | Sep 20, 1977 |
| Priority date | — |
| Expiry date | Apr 1, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/968
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A novel electro-optical switch is shown comprising a fixedly mounted lamp, a solid state photo-responsive transistor mounted in position to receive light from the lamp for responsively switching from one state to a second state and actuation means intermediate the transistor and the lamp for obstructing the light path between the lamp and the transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.