Method of generating image and illumination device for...

Details Method of generating image and illumination device for... Method of generating image and illumination device for...

2008-07-01

2008-07-01

Epps, Georgia Y. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559460, C356S394000

Reexamination Certificate

active

07394084

ABSTRACT:
For generating an image for inspection of a substrate, a camera is provided above this substrate with an optical axis orienting downward and a plurality of multi-colored light emitting members are set around the optical axis of the camera so as to be within a specified angular range with respect to a target area on the substrate. The camera is operated to generate an image of the target area for inspection while switched-on conditions of these light emitting members are being controlled such that the colors and angles of light illuminating this target area are varied according to a specified kind of the purpose of this inspection.

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Japanese Utility Model No. 59-85905,Pattern Recognition Device, filed Nov. 6, 1984.

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