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Centered utensil sensor for induction surface units

  • US 4,319,109 A
  • Filed: 12/28/1979
  • Issued: 03/09/1982
  • Est. Priority Date: 12/28/1979
  • Status: Expired due to Term
First Claim
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1. In an induction cooking apparatus of the type including an induction heating coil and a cooking surface adapted for supporting a cooking utensil in a cooking area above said coil, the improvement comprising:

  • a utensil position detecting arrangement for generating a signal indicative of the position of said utensil relative to the approximate center of said area, said arrangement including a set of sensors located below said cooking surface, said set including a plurality of sensors located substantially the same distance from said center, each sensor operative to provide a signal indicative of the presence or absence of a portion of said utensil directly thereover, and signal processing means responsive to signals generated by said sensors for generating different output signals in response to the fullness of activation of said set.

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