US PATENT SUBCLASS 367 / 164
.~.~.~ Single element having a plurality of electrodes

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}
164.~.~.~ Single element having a plurality of electrodes

DEFINITION

Classification: 367/164

Single element having a plurality of electrodes:

(under subclass 157) Subject matter wherein a plurality of electrodes on its surface form a plurality of discrete radiating areas.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

366, for similar subject matter of general utility.