XYZ coordinates measuring system

Details XYZ coordinates measuring system XYZ coordinates measuring system

1988-09-19

1990-10-02

Lall, Parshotam S.

Boots, shoes, and leggings

36457107, 36447437, 738658, 340686, 356375, G01B 1100, G06F 1546

Patent

active

049611550

ABSTRACT:
An XYZ coordinates measuring system has a slit light source for projecting a slit light beam onto the surface of a work to be measured with a predetermined angle. Furthermore a television camera takes a light line formed on the surface of the work by the slit light beam to generate an output video signal. A coordinate measuring circuit has a look-up table for previously storing the interrelationship between the horizontal and vertical imaging positions of the light line and the XYZ coordinates on the surface of the actual work. The coordinate measuring circuit is adapted to process the video signal to detect the horizontal and vertical imaging positions Ks and Ls of the light line and to output the XYZ coordinates on the surface of the work from the look-up table, depending on the detected horizontal and vertical imaging positions Ks and Ls, the XYZ coordinates on the surface of the work can thus be real-time measured along the light line.

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patent: 4672562 (1987-06-01), Egli et al.
patent: 4825393 (1989-04-01), Nishiya
patent: 4831561 (1989-05-01), Utsumi

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