Apparatus identification system

Details Apparatus identification system Apparatus identification system

1981-08-31

1982-10-19

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

G01N 2900

Patent

active

043543871

ABSTRACT:
A system for coding and identifying an article is provided wherein a plurality of pellets are secured to the article. The pellets are each constructed from a known material and the thickness of the pellets vary. Each pellet may be identified by the measurement of the time that it takes for a known traveling wave, e.g. an ultrasonic wave, to pass through it.

REFERENCES:
patent: 4003244 (1977-01-01), O'Brien et al.
S. J. Crutzen et al., "Application of Tamper-Resistant Identification and Sealing Techniques for Safeguards", IAEA-SM-201/5, pp. 305-338.

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