US PATENT SUBCLASS 367 / 178
.~ Receivers

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

140  DF  SIGNAL TRANSDUCERS {4}
178.~ Receivers {6}
179  DF  .~.~> Pendulum type
180  DF  .~.~> Piezoelectric
181  DF  .~.~> Capacitive
182  DF  .~.~> Moving coil {2}
185  DF  .~.~> Moving magnet {2}
188  DF  .~.~> Casing or housing

DEFINITION

Classification: 367/178

Receivers:

(under subclass 140) Subject matter for use in acoustic wave systems to convert acoustic wave energy into electrical energy.