Fiber optic detector and depth sensor and method for doing same
US5396079A · kind A · utility
6Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1993 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Jul 6, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S250/903
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fiber optic sensor for determining the presence and/or measuring the depth of a first substance capable of transmitting light. The fiber optic sensor includes a plurality of light receiving fibers, a plurality of light transmitting fibers surrounding the light receiving fibers and structure for refracting light from the light transmitting fibers at a predetermined angle for total internal reflection of the light from an interface of the first substance with a second substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.