Apparatus for wireless chemical sensing
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United States of America Patent
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Jan 28, 1997
Grant Date -
N/A
app pub date -
Jul 5, 1994
filing date -
Jul 5, 1994
priority date (Note) -
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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.
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