Resonant ultrasound spectroscopy

Details Resonant ultrasound spectroscopy Resonant ultrasound spectroscopy

1990-09-20

1991-11-05

Williams, Hezron E.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

73659, G01N 2912

Patent

active

050622960

ABSTRACT:
A resonant ultrasound spectroscopy method provides a unique characterization of an object for use in distinguishing similar objects having physical differences greater than a predetermined tolerance. A resonant response spectrum is obtained for a reference object by placing excitation and detection transducers at any accessible location on the object. The spectrum is analyzed to determine the number of resonant response peaks in a predetermined frequency interval. The distribution of the resonance frequencies is then characterized in a manner effective to form a unique signature of the object. In one characterization, a small frequency interval is defined and stepped though the spectrum frequency range. Subsequent objects are similarly characterized where the characterizations serve as signatures effective to distinguish objects that differ from the reference object by more than the predetermined tolerance.

REFERENCES:
patent: 2393225 (1946-01-01), Andalikiewicz
patent: 2909059 (1959-10-01), Laue
patent: 3043132 (1962-07-01), Schubring
patent: 3948345 (1976-04-01), Rosencwaig
patent: 4285241 (1981-08-01), Smith et al.
patent: 4428235 (1984-01-01), Sugiyama
patent: 4581395 (1986-04-01), Breazeale
patent: 4704905 (1987-11-01), Arora
patent: 4758964 (1988-07-01), Bittner et al.
patent: 4829823 (1989-05-01), Michel
"Spectrum Analysis: A New Tool for Quality Control by Ultrasonics", Canel G. & Monti, F. (Not International Aug. 1976, vol. 9, No.4).

Affiliated with

Also associated with

Rating

Resonant ultrasound spectroscopy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Resonant ultrasound spectroscopy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resonant ultrasound spectroscopy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-492229