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Credential substrate rotator and processing module

  • US 7,878,505 B2
  • Filed: 09/08/2005
  • Issued: 02/01/2011
  • Est. Priority Date: 08/19/2003
  • Status: Active Grant
First Claim
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1. A credential substrate rotator comprising:

  • a substrate support configured to support a substrate in a substrate support plane and rotate the substrate support plane about a central axis, which extends through the substrate support plane;

    a substrate feeder configured to feed a substrate along the substrate support plane; and

    a substrate sensor including a substrate position indicator having a first position indicative of an absence of a substrate from a predetermined location of the substrate support, and a second position indicative of a presence of a substrate in the predetermined location of the substrate support, wherein the first and second positions are displaced from each other in the direction of the central axis.

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