US PATENT SUBCLASS 367 / 167
.~.~.~ Pressure compensating means

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}
157  DF  .~.~ Piezoelectric {9}
167.~.~.~ Pressure compensating means

DEFINITION

Classification: 367/167

Pressure compensating means:

(under subclass 157) Subject matter wherein means is provided to counteract the effects on the transducer of the static pressure of the surrounding water.