US PATENT SUBCLASS 434 / 7
.~.~ Interference simulation

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}
7.~.~ Interference simulation

DEFINITION

Classification: 434/7

Interference simulation:

(under subclass 6) Subject matter relating to the limitation of means or conditions interfering with the detection of reflected sound waves, such as water turbulence or propeller

sound associated with a ship carrying a sound-sensing means.