Optical position and orientation sensor

Details Optical position and orientation sensor Optical position and orientation sensor

1990-10-22

1991-10-22

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250561, G01J 4014

Patent

active

050597892

ABSTRACT:
An optical position determination system is described which determines the six degrees of freedom (i.e. position of orientation) of an object with respect to a two-dimensional position sensing detector. The system comprises at least three energy beams physically connected to the object and directed to corresponding points of incidence on a surface of the position sensing detector. The energy beams are selectively energized to enable the position sensing detector to provide outputs indicative of the positions of the points of incidence. A microcomputer is responsive to those outputs to calculate the position of their common point of intersection. A single position sensing detector is thereby able to provide complete, three-dimensional information on the position of the object.

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