US PATENT SUBCLASS 367 / 903
TRANSMIT-RECEIVE CIRCUITRY

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

903TRANSMIT-RECEIVE CIRCUITRY

DEFINITION

Classification: 367/903

TRANSMIT-RECEIVE CIRCUITRY:

Acoustic wave echo systems which permit alternate projection and detection of acoustic wave energy while using a single transducer.