US PATENT SUBCLASS 367 / 149
.~.~ Exclusive-type receiver


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

140  DF  SIGNAL TRANSDUCERS {4}
141  DF  .~ Underwater type {15}
149.~.~ Exclusive-type receiver


DEFINITION

Classification: 367/149

Exclusive-type receiver:

(under subclass 141) Subject matter comprising transducers which are only capable of converting acoustic waves into electrical signals.

(1) Note. The subject matter of this subclass type is distinguished from the type of transducer which is capable of

converting acoustic waves into electric signals and vice versa. Such transducers are excluded from this subclass and the subclasses indented hereunder.