US PATENT SUBCLASS 367 / 153
.~.~ Plural transducer array


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}
153.~.~ Plural transducer array {3}
154  DF  .~.~.~> Line array
155  DF  .~.~.~> Piezoelectric
156  DF  .~.~.~> Magnetostrictive


DEFINITION

Classification: 367/153

Plural transducer array:

(under subclass 141) Subject matter comprising a plurality of

transducers having electrically distinguishable inputs or outputs arranged in a definite spatial relationship with respect to one another.

(1) Note. A plurality of spatially arranged transducer elements having only one electrical output or input at which the effects of the individual elements are indistinguishable is considered to a unitary transducer and not an array of this subclass type.