G - Physics – 01 – C
Patent
G - Physics
01
C
354/25, 354/55
G01C 3/00 (2006.01) G01C 5/00 (2006.01) G01C 11/12 (2006.01)
Patent
CA 1253251
THREE-DIMENSIONAL RANGE CAMERA Abstract of the Disclosure A non-contact sensor system measures distance from a reference plane to many remote points on the surface of an object. The set of points at which range is measured lie along a straight line (N points) or are distributed over a rectangular plane (M x N points). The system is comprised of a pattern generator to produce a 1 x N array of time/space coded light rays, optionally a means such as a rotating mirror to sweep the coded light rays orthogonally by steps, a linear array camera to image subsets of the light rays incident on the object surface, and a high speed range processor to determine depth by analyzing one-dimensional scan signals. The range camera output is a one-dimensional profile or a two-dimensional area range map, typically for inspection and robotic vision applications.
511597
Company General Electric
Eckersley Raymond A.
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