US PATENT SUBCLASS 367 / 908
MATERIAL LEVEL DETECTION, E.G., LIQUID LEVEL

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

908MATERIAL LEVEL DETECTION, E.G., LIQUID LEVEL

DEFINITION

Classification: 367/908

MATERIAL LEVEL DETECTION, E.G., LIQUID LEVEL:

Acoustic wave echo systems in which the reflector is a fluent material contained in a vessel.