Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1997-09-08
1998-08-04
Gutierrez, Diego F. F.
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
361282, G01K 734, H01G 704
Patent
active
057883769
ABSTRACT:
A temperature sensor apparatus comprising: a capacitor with first and second conductors and a dielectric material between the conductors; a frequency generator coupled to the capacitor and providing an excitation signal thereto; a processor coupled to the capacitor, wherein the processor monitors a capacitance of the capacitor, converts the capacitance to a temperature signal, and alters a frequency of the excitation signal when the temperature signal passes a predetermined threshold.
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O'Rourke Michael James
Sultan Michel Farid
General Motors Corporation
Gutierrez Diego F. F.
Simon Anthony Luke
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