US 3,742,178 · Granted 1973-06-26

Induction cooking appliance including cooking vessel having means for wireless transmission of temperature data

Herein disclosed is an induction cooking range having a counter which supports a food-containing vessel. The vessel is heated by the range''s induction coil which operates at high frequency. The invention includes a temperature sensing unit comprising a temperature detection unit and a temperature receiving unit. The former unit is incorporated in the cooking vessel while the latter unit is remotely located therefrom in the induction range. The aforesaid temperature receiving unit receives radio frequency transmissions of temperature data from the temperature detection unit in the vessel. The temperature detection unit in the vessel is powered by the main field produced by the induction coil.

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