Abstract: An article including an aerosolizable material; and a signal altering component, wherein the signal altering component is configured to alter a first signal transmitted at least partially through the article into a second signal indicative of article data.

Abstract: An aerosol generating apparatus is provided, including a chamber configured to receive an article including an aerosolizable medium and a detection circuit configured to generate data indicative of the presence of an article comprising an aerosolizable medium within the chamber. The detection circuit can include an inductor and a capacitor arranged in a resonant circuit and a detector configured to measure the resonant frequency of the resonant circuit and output data indicative of the presence of the article in the chamber based on the measured resonant frequency. There is also provided a system for generating aerosol, an article and method of determining the presence of an article including an aerosolizable medium.

Abstract: A method, apparatus and computer program can include applying a pulse edge to a resonant circuit including an inductive element (for inductively heating a susceptor) and a capacitor, wherein the applied pulse edge induces a pulse response between the capacitor and the inductive element of the resonant circuit, wherein the pulse response has a resonant frequency; determining a period or frequency of the resonant frequency of the pulse response; and converting the determined period or frequency into a temperature estimate based on a temperature gradient and a calibration measurement.

Abstract: An apparatus is described comprising a resonant circuit and a circuit for applying one or more pulses to said resonant circuit. The resonant circuit comprises an inductive element and a capacitor. The inductive element comprises one or more coils that are at least partially exposed, wherein said inductive element is for heating a susceptor when said susceptor is placed across, and makes electrical contact with, said exposed coils.

Abstract: An electronic vapor provision system includes: a control unit configured to provide power from a battery in the control unit, and including a controller configured to control components of the system; and an aerosolizable substrate material carrying portion separably connectable to the control unit to obtain power from the battery, and including first and second electrical circuits including respectively a characteristic-carrying element and a vapor generating element. The second electrical circuit can be selectively provided with power from the battery when power is supplied to the aerosolizable substrate material carrying portion. The controller is configured to operate in a first mode in which a characteristic of the characteristic-carrying element is determined by providing power from the battery to the first electrical circuit, and in a second mode in which the vapor generating element is operated by providing power from the battery to the second electrical circuit.

Abstract: An apparatus for generating aerosol from an aerosolizable medium, the apparatus including a housing; and a chamber for receiving an article. The article includes an aerosolizable medium; and a marker arrangement including a first marker and a second marker. The apparatus includes a sensor arrangement configured to operate in a first mode and a second mode. In the first mode the sensor arrangement monitors non-continuously for the presence of the first marker. In the second mode the sensor arrangement is configured to read identification information from the second marker. The sensor arrangement operates in the second mode responsive to the detection of the presence of the first marker in the first mode.

Abstract: An aerosol provision device for generating aerosol from aerosol generating material includes comprises at least one chamber having a warming element having ferritic material, a reception region arranged to receive a planar aerosol generating article including aerosol generating material and at least one aerosol generator arranged to cause aerosol to be generated from the aerosol generating material. The reception region is located between the at least one aerosol generator and the at least one warming element.

Abstract: An apparatus for generating aerosol from an aerosolizable medium, the apparatus including a housing; and a chamber for receiving an article. The article includes an aerosolizable medium; and a marker arrangement including a first marker and a second marker. The apparatus includes a sensor arrangement configured to operate in a first mode and a second mode. In the first mode the sensor arrangement monitors non-continuously for the presence of the first marker. In the second mode the sensor arrangement is configured to read identification information from the second marker. The sensor arrangement operates in the second mode responsive to the detection of the presence of the first marker in the first mode.

Abstract: A method, apparatus and computer program are disclosed and can include applying a pulse edge to a resonant circuit including an inductive element (for inductively heating a susceptor) and a capacitor, wherein the applied pulse edge induces a pulse response between the capacitor and the inductive element of the resonant circuit, wherein the pulse response has a resonant frequency; determining a period or frequency of the resonant frequency of the pulse response; and converting the determined period or frequency into a distance based, at least in part, on a distance gradient and a first calibration measurement. The distance is based on a separation between the inductive element and the susceptor and the first calibration measurement includes the separation between the inductive element and the susceptor at a calibration temperature.

Abstract: An electronic vapor provision system includes: a control unit configured to provide power from a battery in the control unit, and including a controller configured to control components of the system; and an aerosolizable substrate material carrying portion separably connectable to the control unit to obtain power from the battery, and including first and second electrical circuits including respectively a characteristic-carrying element and a vapor generating element. The second electrical circuit can be selectively provided with power from the battery when power is supplied to the aerosolizable substrate material carrying portion. The controller is configured to operate in a first mode in which a characteristic of the characteristic-carrying element is determined by providing power from the battery to the first electrical circuit, and in a second mode in which the vapor generating element is operated by providing power from the battery to the second electrical circuit.

Abstract: An article for use with an apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material includes a body of aerosolizable material; and a first wrapper around the body aerosolizable material. The first wrapper comprises heater material that is heatable by penetration with a varying magnetic field. The first wrapper comprises an outer surface and an inner surface and the first wrapper is arranged so that two opposing strips of the outer surface are joined along ends of the first wrapper or the first wrapper is arranged so that two opposing strips of the inner surface are joined along ends of the first wrapper, so as to form a closed electrical circuit of the heater material. A method of and apparatus for manufacturing an article for use with an apparatus for heating aerosolizable material to volatilize at least one component of the aerosolisable material are also disclosed.

Abstract: An aerosol provision device is configured to couple to a consumable component, and includes a transceiver configured for connection of the device to a communications network; and a processor configured to: obtain identification information from a consumable component engaged with the device, the identification information being uniquely provided to the consumable component or to a group of consumable components to which the consumable component belongs; configure the identification information as an identifier for the consumable component; send, via the communications network, an authorization query including the identifier to a remote server holding a list of one or more authorized identifiers; receive, via the communications network, an authorization response to the authorization query from the remote server; and identify the consumable component as authorized if the authorization response indicates that the identifier is comprised in the list of authorized identifiers.

Abstract: An aerosol provision device for generating aerosol from a plurality of aerosol generating areas each configured to receive an aerosol precursor material can include a power source for providing power to a first atomizing element configured to generate aerosol from a first aerosol precursor material present in a first aerosol generating area and to a second atomizing element configured to generate aerosol from a second aerosol precursor material present in a second aerosol generating area; and power distribution circuitry configured to distribute power between the first atomizing element and the second atomizing element based on at least one parameter of the aerosol precursor material currently present in the first aerosol generating areas and the second aerosol generating area, respectively, wherein the at least one parameter is at least one of a presence of a first aerosol generating component including the first aerosol precursor material in the first aerosol generating area or a presence of a second aeroso

Abstract: A control device for an electronic aerosol provision system is configured to receive a replaceable component to form an electronic aerosol provision system. The control device is further configured to receive an identifier from a replaceable component received by the control device; and to modify one or more characteristics (such as resistance to draw, RTD) of an airflow path through the electronic aerosol provision system dependent upon the received identifier.

Abstract: An article including an aerosolizable material; and a signal altering component, wherein the signal altering component is configured to alter a first signal transmitted at least partially through the article into a second signal indicative of article data.

Abstract: A method of operating an aerosol generating apparatus is disclosed. The method comprises: sensing, at a first sensor of a sensor arrangement, a first indicia of an article comprising aerosolisable medium; sensing, at a second sensor of the sensor arrangement spaced a predetermined distance from the first sensor, a second indicia of the article; determining a distance between the first indicia and the second indicia; and operating the aerosol generating apparatus based at least on the distance between the first indicia and the second indicia.

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: A control device for an electronic aerosol provision system is configured to receive a replaceable component to form an electronic aerosol provision system. The control device is further configured to receive an identifier from a replaceable component received by the control device; and to modify one or more characteristics (such as resistance to draw, RTD) of an airflow path through the electronic aerosol provision system dependent upon the received identifier.

Abstract: Apparatus and methods for determining a characteristic of an aerosol generating material of an aerosol generating device are disclosed. The aerosol generating device comprises a heater for heating of the aerosol generating material in use. The apparatus is arranged to monitor a first property of the heating of the aerosol generating material, thereby to determine a heating profile of the aerosol generating material; analyse the heating profile to identify a feature of the heating profile corresponding to a heating of one or more constituents of the aerosol generating material; and determine, based on the identified one or more features, the characteristic of the aerosol generating material.

Abstract: A heating assembly for use with apparatus for heating aerosolisable material to volatilise at least one component of the aerosolisable material, the heating assembly including a body, a heating element and a coupler, the body including a cavity for storing the aerosolisable material and for insertion into a heating zone of the apparatus, wherein a portion of the body is open or openable for insertion of the aerosolisable material into the cavity, wherein the heating element for use in heating the aerosolisable material when the aerosolisable material is in the cavity, and wherein the coupler is for coupling the heating assembly to a retainer of the apparatus.