US PATENT SUBCLASS 361 / 287
.~.~ Mechanically variable

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}
287.~.~ Mechanically variable {5}
288  DF  .~.~.~> Push button
289  DF  .~.~.~> Motor driven
290  DF  .~.~.~> By varying distance between electrodes {1}
292  DF  .~.~.~> By varying effective area of electrode {6}
300  DF  .~.~.~> With controlling or indicating means

DEFINITION

Classification: 361/287

Mechanically variable:

(under subclass 277) Subject matter in which the capacitance of the capacitor is mechanically variable through the application of tangible physical means.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

10+, for the combination of a capacitor and a dial shaft operator, such as an operator which can quickly set the capacitor into any one of a plurality of preselected positions.