US PATENT SUBCLASS 340 / 870.37
.~.~ Capacitive transmitter

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

870.01  DF  CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) {15}
870.3  DF  .~ With particular transmitter (e.g., piezoelectric, dynamo) {3}
870.37.~.~ Capacitive transmitter

DEFINITION

Classification: 340/870.37

Capacitive transmitter:

(under subclass 870.3) Subject matter in which a transducer is a variable capacitor.

(1) Note. A capacitor is a device consisting essentially of two conducting surfaces separated by an insulating material of dielectric.

(2) Note. A transmitter is analogous to a transducer for the purpose of this definition.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

271, for variable capacitors.