Device for detecting flaws on a piece

Details Device for detecting flaws on a piece Device for detecting flaws on a piece

1983-04-21

1985-08-20

Smith, Alfred E.

Radiant energy

Luminophor irradiation

250302, 2504611, G01N 2127

Patent

active

045366543

ABSTRACT:
A device automatically reads indications of flaws in a piece using the swing method. An ultraviolet beam illuminates the piece to be checked after successive reflections on a separating mirror and on two oscillating mirrors for sweeping. The beam reemitted parallel to the incident beam traverses the separating mirror and is received by a detector, the output information of which is transmitted to a data processing unit which also receives information on the position of the oscillating mirror over a different path.

REFERENCES:
patent: 3774030 (1981-08-01), O'Connor et al.
patent: 4087685 (1978-05-01), Froot
patent: 4162405 (1974-07-01), Chance et al.
patent: 4284897 (1981-08-01), Sawamura et al.
patent: 4428672 (1984-01-01), Allard et al.

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