US PATENT SUBCLASS 367 / 902
SPEED OF SOUND COMPENSATION

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

902SPEED OF SOUND COMPENSATION

DEFINITION

Classification: 367/902

SPEED OF SOUND COMPENSATION:

Acoustic wave echo systems or distance and direction finding systems wherein correction is made for errors which would otherwise be introduced by variations in the propagation of acoustic waves.