Apparatus for wireless chemical sensing
US5597534A · kind A · utility
112Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1994 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Jul 5, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/286
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for wireless sensing of chemical parameters is provided in which an interrogation unit (14) transmits interrogation signals. A chemical sensor (12) generates an output based on predetermined chemical parameters. The chemical sensor output is measured by a measurement circuit (10). A responder unit (16), which is powered by the interrogation signals, transmits responses to interrogation signals based on the measured data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.