G - Physics – 01 – N
Patent
G - Physics
01
N
340/147, 73/69
G01N 27/12 (2006.01)
Patent
CA 1215758
ABSTRACT OF THE DISCLOSURE A two terminal gas sensor comprises a heater having a positive temperature coefficient of resistance and a gas sensitive semiconductor covering the heater, connected to the heater at least at the opposite ends thereof and having a negative temperature coefficient of resistance. The coeffic- ients of the heater and the semiconductor are so selected as to offset each other.
448849
Marks & Clerk
New Cosmos Electric Co. Ltd.
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