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Transmissive apparatus and method for optically sensing relative torque employing moire fringes

  • US 20030015591A1
  • Filed: 07/17/2001
  • Published: 01/23/2003
  • Est. Priority Date: 07/17/2001
  • Status: Abandoned Application
First Claim
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1. A method for analyzing the performance of a system wherein light is directed from at least one light source to an encoded portion of a rotating member of said system, said method comprising the steps of:

  • transmitting a portion of the light to said encoded portion of said rotating member;

    detecting a transmitted portion of the light; and

    recovering information from said transmitted portion of the light containing performance characteristic data of said system.

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