Apparatus and method for discriminating true and false ultrasoni

Details Apparatus and method for discriminating true and false ultrasoni Apparatus and method for discriminating true and false ultrasoni

1993-09-16

2000-04-04

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Echo systems

367908, 73290V, G01S 1500, G01F 23296

Patent

active

060469609

ABSTRACT:
Apparatus for discriminating true echoes from false echoes in an ultrasonic liquid gauging system, comprising: means for producing electrical representations of an echo sequence received after an ultrasonic transmission, wherein the echo sequence contains one or more returned echoes that may be a true or false echo; and means for determining returned echo energy, wherein echo energy is a factor used to distinguish a true echo from a false echo.

REFERENCES:
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patent: 4596144 (1986-06-01), Panton et al.
patent: 4727277 (1988-02-01), Adams
patent: 4955004 (1990-09-01), Viscovich
patent: 4992998 (1991-02-01), Woodward
patent: 5150334 (1992-09-01), Crosby
patent: 5157639 (1992-10-01), Leszczynski

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