Method and apparatus for visually inspecting an object

Details Method and apparatus for visually inspecting an object Method and apparatus for visually inspecting an object

1998-06-01

2000-12-12

Mehta, Bhavesh

Image analysis

Applications

Manufacturing or product inspection

382152, 348131, G06K 900

Patent

active

061609064

ABSTRACT:
A pickup tool (30) has reflective surfaces (42, 44, 46, 48) attached thereto. The pickup tool (30) picks up an object (38) and moves the object (38) over a light source (51). The reflective surfaces (42, 44, 46, 48) reflect a light beam (61) emitted from the light source (51), generating deflected light beams (63, 65, 67, 69) which back light the object (38). The deflected light beams (63, 65, 67, 69) form silhouette images of the object (38) in cameras (52, 54, 56, 58). A visual inspection of the object (38) is performed by analyzing the images.

REFERENCES:
patent: 4750035 (1988-06-01), Chang et al.
patent: 5214841 (1993-06-01), Howard et al.
patent: 5402505 (1995-03-01), Roy et al.
patent: 5519513 (1996-05-01), Copenhaver et al.
patent: 5617209 (1997-04-01), Svetkoff et al.
patent: 5699447 (1997-12-01), Alumot et al.

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