Class Information
Number: 374/174
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > By electrical or magnetic heat sensor > By conductive fluid or work function within sensor (e.g., ionization)
Description: Subject matter wherein the thermal sensor includes an envelope having a fluid or a vacuum therein, and electrodes to provide an electric current or space discharge therein, the temperature being determined by its effect on the discharge.
Patents under this class:
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