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Ice detector

  • US 4,604,612 A
  • Filed: 07/22/1983
  • Issued: 08/05/1986
  • Est. Priority Date: 08/03/1982
  • Status: Expired due to Fees
First Claim
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1. A method for detecting ice on a surface of a thin solid sheet comprising, energising a transducer to cause propagation through a portion of the sheet of ultrasonic waves having their predominant component parallel to the surface of the sheet, detecting the waves by means of a second transducer, measuring the amplitude of the waves received by the second transducer, and detecting by means of the amplitude of the waves received by the second transducer the presence of a layer of ice on the surface of the portion of the sheet.

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