Pulsed robotic inspection

Details Pulsed robotic inspection Pulsed robotic inspection

1985-09-24

1989-06-13

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

33707, 250237G, 356376, G01B 1114, G01B 1124

Patent

active

048386960

ABSTRACT:
Robotic machines such as coordinate measuring machines, contour projectors and other optical measuring machines are provided wherein a pulsed light is used to "freeze" the dimensional or positional data. The light source of an electro-optical sensor which in motion on the machine during an inspection operation is pulsed responsive to a triggering pulse from an encoder. Where the motion is in more than a single axis, the triggering pulse can be provided from that encoder which experiences the most rapid motion or which is associated with the direction of the greatest dimension change of the part under inspection. Several different forms of position encoding apparatus are also disclosed.

REFERENCES:
patent: 4585350 (1986-04-01), Pryor

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