Method and apparatus for three dimensional object surface determ

Details Method and apparatus for three dimensional object surface determ Method and apparatus for three dimensional object surface determ

1989-11-30

1991-07-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356376, G01N 2186, G01B 1124

Patent

active

050287990

ABSTRACT:
A practice for developing data for use in the three-dimensional location of the points on an object surface wherein first and second sensor means are used to cause first and second electromagnetic radiation to be directed at the object surface at first and second directions which are in a common plane.

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patent: 4741621 (1988-05-01), Taft et al.
patent: 4763006 (1988-08-01), Rau et al.
patent: 4774403 (1988-09-01), Arts
"Automatic Visual Inspection of Solder Joints on Printed Circuit Boards", Yasuo Nakagawa, SPIE, vol. 336, Robot Vision (1982), pp. 121-126.

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