US PATENT SUBCLASS 374 / 114
.~.~.~.~ By current modifying elements in circuit (e.g., bridge)

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

100  DF  TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13}
101  DF  .~ Composite temperature-related paramenter {3}
110  DF  .~.~ Plural spaced temperature function {4}
112  DF  .~.~.~ Difference or gradient {2}
114.~.~.~.~ By current modifying elements in circuit (e.g., bridge)

DEFINITION

Classification: 374/114

By current modifying elements in circuit (e.g., bridge):

(under subclass 112) Subject matter having plural elements with a temperature-dependent impedance and so connected between a power source and output so as to produce a signal

related to the temperature difference at the output.

(1) Note. A bride having such sensing impedance elements in adjacent arms is classified in this subclass.