US PATENT SUBCLASS 367 / 104
.~.~.~ By transducer movement

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

87  DF  ECHO SYSTEMS {6}
99  DF  .~ Distance or direction finding {5}
103  DF  .~.~ With beam steering, scanning, or focussing {2}
104.~.~.~ By transducer movement

DEFINITION

Classification: 367/104

By transducer movement:

(under subclass 103) Subject matter wherein the transmitting or receiving element is caused to change location or to turn about an axis.

(1) Note. Transducers which are fixed relative to a vehicle and which only move by virtue of the movement of the vehicle are not considered beam steering or scanning transducers of this subclass type.