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Frost detecting apparatus, and cooling system and refrigerator having the same

  • US 20110107779A1
  • Filed: 10/15/2010
  • Published: 05/12/2011
  • Est. Priority Date: 11/12/2009
  • Status: Abandoned Application
First Claim
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1. A frost detecting apparatus comprising:

  • a first electrode to generate an electric field in a frost detection region;

    a second electrode to prevent the electric field from leaking into a frost non-detection region;

    an insulator arranged between the first electrode and the second electrode, to insulate the first electrode; and

    a shield arranged around an exposed portion of the insulator, to prevent the electric field from leaking into the frost non-detection region through the exposed portion of the insulator.

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