Apparatus and method for detection ultrasonic waves propagated f

Details Apparatus and method for detection ultrasonic waves propagated f Apparatus and method for detection ultrasonic waves propagated f

1995-06-27

1996-09-24

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73 4050A, 73599, G01N 2920

Patent

active

055579698

ABSTRACT:
An ultrasonic leak detector which discriminates against leak signals originating from outside a desired detection zone. Incoming ultrasonic waves are divided into mutually exclusive low and high frequency signals, which signals are then processed to form an intensity ratio. The intensity ratio is compared to a pre-selected ratio corresponding to an ultrasonic source at the boundary of the detection. Ultrasonic leak signals originating from outside the desired detection zone are ignored. The presence of a leak within the detection zone is indicated by audio and/or visual devices.

REFERENCES:
patent: 3462240 (1969-08-01), Bosselaar et al.
patent: 3903729 (1975-09-01), Covington
patent: 3930556 (1976-01-01), Kasuda et al.
patent: 4289019 (1981-09-01), Claytor
patent: 4290125 (1981-09-01), Honda
patent: 4414850 (1983-11-01), Miwa et al.
patent: 4583406 (1986-04-01), Dimeff
patent: 4635042 (1987-01-01), Andrews
patent: 4738137 (1988-04-01), Sugg et al.
patent: 4785659 (1988-11-01), Rose et al.
patent: 4858462 (1989-08-01), Coulter et al.
patent: 4958296 (1990-09-01), Saitoh et al.
patent: 5040409 (1991-08-01), Kiewit
patent: 5103675 (1992-04-01), Komninos
Encyclopedia of Electronics, 2nd ed., Gibilisco and Sclater, 1990, p. 126.
The Encyclopedia of Electronic Circuits, Graf, 1985, pp. 128, 203, 601 and 729.

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