Method and apparatus for measuring form parameters of items

Details Method and apparatus for measuring form parameters of items Method and apparatus for measuring form parameters of items

1994-10-31

1995-09-12

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503418, 355386, G01N 2147

Patent

active

054499119

ABSTRACT:
A method and an apparatus for measuring form parameters of items (2) utilizing a camera (10) which is sensitive to infrared light, and, while passing the items through a field of view (11) of the camera (10), the items are illuminated with light flashes of approximately 1 ms by solid state LEDs (41), which are arranged at the centerline of the items (2) and produce a light beam (43) which includes an angle of approximately 45.degree. with the direction of conveyance of the items (2).

REFERENCES:
patent: 3282419 (1966-11-01), Rock, Jr.
patent: 4866285 (1989-09-01), Simms
patent: 5020675 (1991-06-01), Cowlin et al.

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