US PATENT SUBCLASS 361 / 281
.~.~.~ Electrical

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

271  DF  ELECTROSTATIC CAPACITORS {4}
277  DF  .~ Variable {4}
280  DF  .~.~ Responsive to external condition {6}
281.~.~.~ Electrical

DEFINITION

Classification: 361/281

Electrical:

(under subclass 280) Subject matter in which the external condition is electrical, as for example, changes in the signal frequency.