Dual-wavelength photometer and fiber optic sensor probe
US5307146A · kind A · utility
37Cited by
20References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1992 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Oct 16, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0866
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A dual wavelength optical sensor for measuring chemical properties of a particular quantity, the optical sensor including a sensor probe having a thin sensing film whose optical characteristics are responsive to the chemical properties of the measured quantity The United States Government has certain rights in this invention pursuant to Contract No. ITA87-02 between the U.S. Department of Commerce and Iowa State University.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.