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Ice detection apparatus and method

  • US 7,586,419 B2
  • Filed: 06/17/2003
  • Issued: 09/08/2009
  • Est. Priority Date: 06/13/2003
  • Status: Expired due to Term
First Claim
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1. An apparatus for detecting ice accretion comprising:

  • an electromagnetic radiation emitter and a corresponding array of sensors that is closer to the emitter than any other emitter, the emitter being located intermediate of the corresponding array of sensors and at least some of the sensors being located at different distances from the emitter; and

    a comparator configured to compare a detected intensity of the diffused radiation to a predetermined value and to determine whether the detected intensity is above the predetermined value such that a data processing equipment determines the type of accreted ice.

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