Nondestructive testing system having automatic set-up means

Details Nondestructive testing system having automatic set-up means Nondestructive testing system having automatic set-up means

1980-11-07

1982-09-21

Wise, Edward J.

Boots, shoes, and leggings

324238, G01R 3300

Patent

active

043510310

ABSTRACT:
An eddy current type of nondestructive testing instrument is disclosed in which the operating frequency is automatically adjusted in accordance with a comparison of output signals obtained in scanning operations in which the frequency is adjusted over its range. The system may be used, for example, in providing lift-off compensation for conductivity measurements or flaw detection or it may be used for sorting of parts of different characteristics.

REFERENCES:
patent: 2939073 (1960-05-01), Eul, Jr.
patent: 4207520 (1980-06-01), Flora et al.
patent: 4213183 (1980-07-01), Barron et al.
patent: 4247818 (1981-01-01), Hiroshima
patent: 4255792 (1981-03-01), Das
patent: 4261041 (1981-04-01), Starr
patent: 4270178 (1981-05-01), Lillig
patent: 4271515 (1981-06-01), Axtell et al.
patent: 4280220 (1981-07-01), Vaeches

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