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Optical 6D measurement system with two fan shaped beams rotating around one axis

  • US 5,742,394 A
  • Filed: 06/14/1996
  • Issued: 04/21/1998
  • Est. Priority Date: 06/14/1996
  • Status: Expired due to Term
First Claim
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1. A system for determining position and orientation of an object, comprising:

  • a) transmitter means for emitting two beams of light including a first beam and a second beam skewed with respect to said first beam, said beams extending from a common point;

    b) drive means for rotating said transmitter means whereby said beams rotate as well;

    c) a receiver attachable to an object within a space, said receiver carrying at least three sensors spaced in a prescribed configuration;

    d) connection means for connecting said sensors to computer means whereby signals are conveyed to said computer means from said sensors indicative of each moment at which each respective beam intersects each respective sensor;

    e) said computer means being programmed for calculating, from said signals, position and orientation of said receiver including x, y and z coordinates as well as pitch, roll and yaw.

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