Method and apparatus for profile scanning

Details Method and apparatus for profile scanning Method and apparatus for profile scanning

1976-07-12

1978-10-24

Wise, Edward J.

Boots, shoes, and leggings

356167, 250561, G01N 2122

Patent

active

041225252

ABSTRACT:
Inspection and verification of configuration of a bent tube is achieved by placing the tube upon a conveyor that moves past a pair of mutually orthogonal optical scanners. Interruptions of a light beam at boundaries of the passing tube are used together with the known beam scan pattern and the known position of the conveyor in the course of its movement to generate signals that define coordinates of vertical and horizontal projections of the tube boundary. From these coordinates the desired tube data can be determined and compared with a reference, thereby comparing tube configuration with a reference configuration.

REFERENCES:
patent: 3628032 (1971-12-01), Senior et al.
patent: 3656855 (1972-04-01), Collart et al.
patent: 3890509 (1975-06-01), Maxey
patent: 3901606 (1975-08-01), Watanabe et al.
patent: 3927948 (1975-12-01), Cox et al.
patent: 3963938 (1976-06-01), Sanglert et al.
patent: 3980870 (1976-09-01), Kawahara
patent: 3983368 (1976-09-01), Csakvary et al.
patent: 3983403 (1976-09-01), Dahlstom et al.

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