Abstract: A resonant circuit for an aerosol generating system includes an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol. The circuit also includes a switching arrangement that, in use, alternates between a first state and a second state to enable a varying current to be generated from a DC voltage supply and flow through the inductive element to cause inductive heating of the susceptor arrangement. The switching arrangement is configured to alternate between the first state and the second state in response to voltage oscillations within the resonant circuit which operate at a resonant frequency of the resonant circuit, whereby the varying current is maintained at the resonant frequency of the resonant circuit.

Abstract: An apparatus for a non-combustible aerosol provision device can include an induction circuit including an induction element for inductively heating a susceptor arrangement arranged to heat an aerosol-generating material to thereby generate an aerosol; drive circuitry arranged to provide, from an input direct current, a varying voltage across the induction circuit for driving the induction element to inductively heat the susceptor arrangement; and control circuitry. The control circuitry is configured to cause the drive circuitry to selectively operate: in a first mode in which the drive circuitry repeatedly alternates a polarity of the voltage provided across the induction circuit; and in a second mode in which the drive circuitry repeatedly alternates between providing a first voltage of non-zero magnitude across the induction circuit and providing substantially no voltage across the induction circuit.

Abstract: An apparatus for a non-combustible aerosol provision device can include an induction circuit including an induction element for inductively heating a susceptor arrangement arranged to heat an aerosol-generating material to thereby generate an aerosol; drive circuitry arranged to provide, from an input direct current, a varying voltage across the induction circuit for driving the induction element to inductively heat the susceptor arrangement; and control circuitry. The control circuitry is configured to cause the drive circuitry to selectively operate: in a first mode in which the drive circuitry repeatedly alternates a polarity of the voltage provided across the induction circuit; and in a second mode in which the drive circuitry repeatedly alternates between providing a first voltage of non-zero magnitude across the induction circuit and providing substantially no voltage across the induction circuit.

Abstract: A resonant circuit for an aerosol generating system includes an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol. The circuit also includes a switching arrangement that, in use, alternates between a first state and a second state to enable a varying current to be generated from a DC voltage supply and flow through the inductive element to cause inductive heating of the susceptor arrangement. The switching arrangement is configured to alternate between the first state and the second state in response to voltage oscillations within the resonant circuit which operate at a resonant frequency of the resonant circuit, whereby the varying current is maintained at the resonant frequency of the resonant circuit.