Apparatus for wireless chemical sensing

Details Apparatus for wireless chemical sensing Apparatus for wireless chemical sensing

1994-07-05

1997-01-28

Snay, Jeffrey

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 8201, 340505, G01N 2707

Patent

active

055975348

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.

REFERENCES:
patent: 3635564 (1972-01-01), Zuckerman et al.
patent: 3652223 (1972-03-01), Ludvik
patent: 4160971 (1979-07-01), Jones et al.
patent: 4333072 (1982-06-01), Beigel
patent: 5041826 (1991-08-01), Milheiser
patent: 5053774 (1991-10-01), Schuermann et al.
patent: 5268683 (1993-12-01), Stolarczyk

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