US PATENT SUBCLASS 84 / 733
.~.~.~ Capacitive

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
723  DF  .~.~ Transducers {9}
733.~.~.~ Capacitive

DEFINITION

Classification: 84/733

Capacitive:

(under subclass 723) Subject matter wherein a varying capacitance produces a varying electric current or potential.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

181, and Dig. 1 for electrostatic switches.

361, Electricity: Electrical Systems and Devices,

271+, for electrostatic capacitors.

381, Electrical Audio Signal Processing Systems and Devices,

113, for electrostatic microphone.