Control for a moisture sensor

  • US 4,956,591 A
  • Filed: 07/10/1989
  • Issued: 09/11/1990
  • Est. Priority Date: 02/28/1989
  • Status: Expired due to Term
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First Claim
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1. A moisture sensing control for use with a window to detect and indicate the presence of moisture on a surface of said window, said control comprising:

  • first moisture sensing means for sensing the presence of moisture on said window, said first moisture sensing means including means for producing a first moisture signal that is a function of the moisture and means for processing said first moisture signal to provide a first indication when moisture is present;

    second moisture sensing means for sensing the presence of moisture on said window, said second moisture sensing means including means for producing a second moisture signal that is a function of the moisture and means for processing said second moisture signal to produce a second indication when moisture is present; and

    inhibiting means for inhibiting one of said first and second moisture sensing means from processing a moisture signal when the other one of said first and second moisture sensing means is producing its associated moisture signal.

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