Three-dimensional reflectors for object attitude recognition

Details Three-dimensional reflectors for object attitude recognition Three-dimensional reflectors for object attitude recognition

F - Mech Eng,Light,Heat,Weapons

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F21V 7/00 (2006.01) F41G 7/26 (2006.01) G01B 11/26 (2006.01) G01S 17/87 (2006.01) G02B 5/10 (2006.01) H01Q 15/14 (2006.01)

Patent

CA 1224768

ABSTRACT OF THE DISCLOSURE: A three-dimensional reflector for object attitude detection responds to illumination from a radiating source to produce a discrete array of light points aligned along a locus on the reflector. The array is characteristic of the reflector position with respect to the radiating source. The reflector has a corrugated surface formed with plural, parallel and spatially periodic, adjacent undulations, each having a crest and a through. The undulations are arranged such that the locus runs through the reflector center of symmetry and the foot point of a perpendicular dropped from a detector onto the corrugated surface. The foot point is a determinate point of the locus.

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