Ring oscillator based chemical sensor

Details Ring oscillator based chemical sensor Ring oscillator based chemical sensor

1997-11-25

1999-04-20

Snay, Jeffrey

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 95, 340633, G01N 2532

Patent

active

058956298

ABSTRACT:
A chemical sensor couples a material that changes temperature in response to a chemical condition with an oscillator. The oscillator is coupled to the material to detect the change in temperature in the material so that the frequency of the oscillator changes in correspondence with the change in temperature as an indication of the chemical condition.

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patent: 4596697 (1986-06-01), Ballato
patent: 5281836 (1994-01-01), Mosser et al.
patent: 5309117 (1994-05-01), Cadotte, Jr. et al.
patent: 5642098 (1997-06-01), Santa Maria et al.
patent: 5722290 (1998-03-01), Kronberg

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