US PATENT SUBCLASS 367 / 912
.~ Particular transducer

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

911  DF  PARTICULAR WELL-LOGGING APPARATUS {1}
912.~ Particular transducer

DEFINITION

Classification: 367/912

Particular Transducer:

(under subclass 911) Subject matter wherein the system uses a

specific type of acoustic transducer to transmit and/or receive seismic waves.