Ultrasonic linear measurement system

Details Ultrasonic linear measurement system Ultrasonic linear measurement system

1989-03-29

1991-10-15

Chapman, John E.

Measuring and testing

Vibration

By mechanical waves

73 1DV, 73 1J, 367127, G01H 500

Patent

active

050563670

ABSTRACT:
An ultrasonic linear measurement system uses the travel time of surface waves along the perimeter of a three-dimensional curvilinear body to determine the perimeter of the curvilinear body. The system can also be used piece-wise to measure distances along plane surfaces. The system can be used to measure perimeters where use of laser light, optical means or steel tape would be extremely difficult, time consuming or impossible. It can also be used to determine discontinuities in surfaces of known perimeter or dimension.

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patent: 4630226 (1986-12-01), Tanaka
Igor Aleksandrovich Viktorov, Rayleigh and Lamb Waves, (Plenum Press: New York), 1967, pp. 1, 67, 92 and 93.

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