Illuminating device and method for a component detecting apparat

Details Illuminating device and method for a component detecting apparat Illuminating device and method for a component detecting apparat

1987-06-11

1988-12-27

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

29721, 29759, 358101, G01B 1100

Patent

active

047937076

ABSTRACT:
A method of optical recognition of a component suction-gripped by a suction nozzle, wherein, when a small component (P) is illuminated by a first illuminator (23), from cone-shaped reflector provided on the base part of a sucking nozzle (3), thereby making a silhouette image of the small component, and when a large component (P') is suction-gripped, a second illuminator, having two-piece movable translucent sheets (25a+25b, which are opened to pass the large component (P') through a thus-opened gap, illuminates the large component (P') to make its silhouette image. By using a lightweight nozzle, a silhouette of the large component is obtainable, assuring high speed mounting of components.

REFERENCES:
patent: 4628464 (1986-12-01), McConnell

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