Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1975-05-16
1976-09-14
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356200, G01N 2132
Patent
active
039808912
ABSTRACT:
A rotary scan flaw detection system is provided in which a record medium is driven synchronously with the scanning of a source of radiation across the surface of material being examined for flaws. A method and apparatus are provided for dividing the material into discrete segments or strips so that flaw information obtained from scanning the material may be sorted and routed pursuant to a predetermined plan. A grating is scanned having predetermined marks thereon which are recorded on the record medium. The material is then scanned, the marks played back, and fed to a data routing logic circuitry along with the flaw information derived from the surface of the material being examined, so that the flaw information is automatically routed in accordance with the occurrence of flaws on discrete segments of the material.
REFERENCES:
patent: 3060319 (1962-10-01), Greunke
patent: 3222979 (1965-12-01), Webster
patent: 3410643 (1968-11-01), Jorgensen
patent: 3849661 (1974-11-01), Beiter
patent: 3898469 (1975-08-01), Nichols et al.
patent: 3900265 (1975-08-01), Merlen et al.
Intec Corporation
Levinson Joseph
Nelms David C.
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