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

  • US 20090147271A1
  • Filed: 12/05/2008
  • Published: 06/11/2009
  • Est. Priority Date: 12/23/2005
  • Status: Active Grant
First Claim
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1. A diffractive support for applying the method according to claim 1, comprising:

  • mounting means on a first component in relative motion with respect to a second component; and

    at least one diffractive track;

    wherein said diffractive track has means diffracting the light beam emitted by at least one light source fixed relatively to the second component;

    wherein said diffractive track contains information indicative of its quality.

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