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Scanner flipper integrity indicator

  • US 8,002,183 B2
  • Filed: 11/30/2005
  • Issued: 08/23/2011
  • Est. Priority Date: 10/20/2005
  • Status: Expired due to Fees
First Claim
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1. A method of detecting movement of a flipper by a motor in a scanner, said method comprising the steps of:

  • (a) powering said motor for a predetermined amount of time;

    (b) receiving a signal associated with said flipper;

    (c) determining, from said signal, whether there are two consecutive transitions indicative of movement by said flipper; and

    (d) repeating steps (a), (b), and (c) up to two times when a negative determination is made at step (c).

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