US PATENT SUBCLASS 361 / 140
.~ Including compensation for thermal change of electromagnetic device


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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
140.~ Including compensation for thermal change of electromagnetic device


DEFINITION

Classification: 361/140

Including compensation for thermal change of electromagnetic device:

(under subclass 139) Subject matter wherein circuits or devices are included which compensate for any thermal changes of the electromagnetic device caused by ambient temperature changes or by the heat generated during the operation of the device.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

105, for electric meters having thermal compensating means.

338, Electrical Resistors,

7+, for electrical resistors whose resistance value is temperature compensated.