Measuring and testing – Gas analysis – By vibration
Patent
1988-10-19
1989-08-08
Noland, Tom
Measuring and testing
Gas analysis
By vibration
G01N 2718
Patent
active
048541559
ABSTRACT:
A catalytic gas detector circuit in which the temperature of a resistance gas sensing element, contained in a bridge circuit, is temporarily increased by energizing a current changing network for a finite period of time sufficiently long enough to burn impurities off of the surface of the sensing element.
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patent: 4451816 (1984-05-01), Ball
McClaine Douglas K.
Mine Safety Appliances Company
Noland Tom
Roskos Joseph W.
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