| 20120024842 | CIRCUIT ARRANGEMENT FOR AN INDUCTION COOKER, METHOD FOR OPERATING THE CIRCUIT ARRANGEMENT AND INDUCTION COOKER - A circuit arrangement for an induction cooking device and an induction cooking device with a circuit of this kind, wherein the circuit includes a resonant circuit with at least one induction coil for the inductive heating of an induction cooking dish and at least one capacitor, as well as a variable circuit element for the variation of the inductivity and/or the capacity of the resonant circuit. The variable circuit element in preference is a choke controllable with direct current and the switching circuit in preference is operated with a constant frequency. | 02-02-2012 |