Float activated optical switch
US7772538B2 · kind B2 · utility
7Cited by
30References
17Claims
0Family size
Inventors
Key dates
| Filing date | Jun 14, 2007 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Jun 14, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical switch having a housing, a light source and a light detector. The light source and light detector are located remote from the housing, The light source is connected to the housing with a first light guide, and the light detector is connected to the housing with a second light guide. The first and second light guide cables have distal ends positioned through the housing and are optically aligned but separated by a gap. The switch includes a device to interrupt a light beam that is usually adapted to removably occupy the gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.