Optical sensor
US4954318A · kind A · utility
67Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1987 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/772
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for measuring the concentration of a component in a medium comprising: an optical sensor including at least one optical indicator for providing an optical signal which varies in response to the presence of a component in a medium; an optical signal fiber capable of transmitting the optical signal from the optical sensor; and a supply reservoir associated with the optical sensor and acting to provide additional optical indicator to the optical sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.