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Method for determining the position of a first moving component relatively to a second component and device for applying said method

  • US 20060283950A1
  • Filed: 12/23/2005
  • Published: 12/21/2006
  • Est. Priority Date: 12/30/2004
  • Status: Active Grant
First Claim
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1. A method for determining the position of one of two components in relative motion, with respect to each other, using optical means and consisting of:

  • directing at least one light beam emitted by a light source attached to a component towards a diffractive support attached to the second component, calculated and manufactured in order to generate an optical signal indicative of the positioning of said support, the optical signal being produced by the diffractive support in transmission and/or in reflection;

    detecting and reading at least one optical code formed by said signal, which corresponds to a unique position of the diffractive support relatively to the beam; and

    assigning a position to each detected optical code. A)

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