Optical position and orientation sensor
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Oct 22, 1990
filing date -
Oct 22, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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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