Inspection device

Details Inspection device Inspection device

1980-09-25

1983-04-12

Evans, F. L.

Optics: measuring and testing

By shade or color

With sample responsive to plural colors applied simultaneously

209524, 209582, 250226, G01J 350

Patent

active

043796362

ABSTRACT:
An inspection device is disclosed which includes a color sensor which has a plurality of photoelectric conversion elements each being responsive to respective different wave lengths of light from an object to be inspected and producing an electrical signal, a zero balance setter which processes the output signal from the color sensor and then takes a zero balance, a tolerance range setter which receives the output of the zero balance setter and produces an abnormal signal in conjunction to a tolerance range of the object to be inspected, a detector which produces an electrical signal to notify when the object arrives at a predetermined location; and a detection location timing section which passes the output of the tolerance range setter by the output signal from the detector.

REFERENCES:
patent: 3980181 (1976-09-01), Hoover et al.
patent: 4011016 (1977-03-01), Layne et al.
patent: 4205752 (1980-06-01), Malvick et al.

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