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Method for triggering through disc grooves and related optical analysis discs and system

  • US 7,428,200 B2
  • Filed: 07/20/2007
  • Issued: 09/23/2008
  • Est. Priority Date: 01/31/2002
  • Status: Expired due to Fees
First Claim
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1. An optical bio-disc analysis system for analyzing biological samples positioned on analysis zones of a bio-disc, the analysis system comprising:

  • a rotation mechanism configured to support and rotate the bio-disc;

    a detector configured to detect at least a current intensity of an optical signal reflected from the bio-disc;

    a trigger module configured to detect interruptions in one or more grooves of the bio-disc as the bio-disc rotates;

    a processing module configured to determine a current angular position of the bio-disc with reference to the detector based at least partly on the current intensity of the reflected optical signal.

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