US PATENT SUBCLASS 374 / 168
.~.~ With self-rebalancing arrangement (e.g., servo-potentiometer, thermal link)

Current as of: June, 1999
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374 /   HD   THERMAL MEASURING AND TESTING

100  DF  TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13}
163  DF  .~ By electrical or magnetic heat sensor {13}
168.~.~ With self-rebalancing arrangement (e.g., servo-potentiometer, thermal link)

DEFINITION

Classification: 374/168

With self-rebalancing arrangement (e.g., servo-potentiometer, thermal link):

(under subclass 163) Subject matter including an electric circuit with an output which may be balanced by a variable signal which is controlled by the output, and which variable signal is utilized as a measure of the magnitude of the sensor output.

(1) Note. Included herein are servo-potentiometer and thermal links for rebalancing.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

641, for a thermally controlled rebalancing bridge not specifically including an indicator.