Lighting device for inspecting objects for flaws

Details Lighting device for inspecting objects for flaws Lighting device for inspecting objects for flaws

G - Physics

07

D

240/27

G07D 9/00 (2006.01) G01N 21/90 (2006.01) G07F 5/24 (2006.01) G07F 9/06 (2006.01) G07F 9/08 (2006.01)

Patent

CA 1245200

ABSTRACT OF THE DISCLOSURE The lighting device of the present invention includes a regular ring shape lamp and a means of simple construction that controlls the direction of the light from the lamp to a predetermined direction, so that the light irradiates a predetermined part of an object to be inspected. Thus, it is used as the lighting device for an automatic inspection system for round edge portions of a circuilar shape, so that the photoelectric conversion sensor and inspection section constructions may be simplized while at the same time the detection sensitivity can be raised.

482167

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