Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1992-03-19
1994-04-05
Wills, Davis L.
Optics: measuring and testing
For optical fiber or waveguide inspection
356356, 356357, 356358, 356363, 33503, 33551, G01N 2101
Patent
active
053010035
ABSTRACT:
A three-dimensional displacement measurement apparatus includes a planar displacement measurement portion which measures a displacement of a measurement point on a surface of a measurement object in the direction of an X-Y plane, a vertical displacement measurement portion which measures a displacement of the surface in a vertical direction with respect to the X-Y plane, and a vertical displacement measurement position compensation portion that tracks a displacement of the measurement point on the X-Y plane.
REFERENCES:
patent: 4957369 (1990-09-01), Antonsson
Fujitsu Limited
Keesee LaCharles P.
Wills Davis L.
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