Fiber optic measuring device with compensation for reflections in the fiber optic and with a possibility of simultaneous measurement of several quantities
US4446366A · kind A · utility
15Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1981 |
| Grant date | May 1, 1984 |
| Priority date | — |
| Expiry date | Sep 28, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/268
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a fiber optic measuring device for measuring physical and chemical quantities. Sensors positioned in the ray path influence the spectral composition of the light in dependence on the quantity to be measured. The sensors are of a material with an absorption edge or one or more filters of interference type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.