US PATENT SUBCLASS 434 / 10
.~.~ Simulation by use of sound recording

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

1  DF  DETECTION OR RANGE DETERMINATION OF DISTANT OBJECT BY APPARATUS USING SENSOR OF ELECTROMAGNETIC OR SOUND ENERGY {2}
6  DF  .~ Sonar {4}
10.~.~ Simulation by use of sound recording

DEFINITION

Classification: 434/10

Simulation by use of sound recording:

(under subclass 6) Subject matter relating to an imitation of sound produced by object detecting apparatus by employing a sound recording, e.g.., a magnetic tape or a phonos:graphic disk.