Abstract: A user feedback system for a user of a delivery device within a delivery ecosystem includes a sensor platform comprising at least a first sensor operable to detect at least a first physical property associated with at least one of user behavior other than inhalation and user physiology other than in relation to inhalation; an obtaining processor adapted to output data based upon the or each detected physical property as all or part of a user factor indicative of a user state; and an estimation processor adapted to identify a corresponding feedback action expected to alter a state of the user as indicated at least in part by the or each detected physical property.

Abstract: A user feedback system for a user of a delivery device within a delivery ecosystem includes an obtaining processor adapted to obtain one or more user factors indicative of a state of the user; an estimation processor adapted to calculate an estimation of user state based upon one or more of the obtained user factors; and a feedback processor adapted to select a feedback action for at least a first device within the delivery ecosystem, responsive to the estimation of user state, expected to alter the estimated state of a user.

Abstract: A user feedback system for a user of a delivery device within a delivery ecosystem includes an obtaining processor adapted to obtain one or more user factors indicative of a state of the user; an estimation processor adapted to calculate an estimation of user state based upon one or more of the obtained user factors; and a feedback processor adapted to select a feedback action for at least a first device within the delivery ecosystem, responsive to the estimation of user state, expected to alter the estimated state of a user.

Abstract: A user feedback system for a user of a delivery device within a delivery ecosystem includes an estimation processor adapted to identify at least a first feedback action based upon one or more user factors, the at least first feedback action relating to an amount or nature of an active ingredient delivered by the delivery device, the feedback action being expected to alter a state of the user as indicated at least in part by the one or more user factors; and a feedback processor adapted to select at least a first identified feedback action, and to cause a modification of one or more operations of at least a first device within the delivery ecosystem, according to the or each selected feedback action.

Abstract: A user feedback system for a user of a delivery device within a delivery ecosystem includes an obtaining processor adapted to obtain one or more user factors indicative of a state of the user, and an estimation processor adapted to identify a one-step or two-step correspondence between the obtained one or more user factors indicative of user state and at least a first feedback action, the feedback action being expected to alter a state of the user as indicated at least in part by the one or more user factors.

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 user feedback system for a user of a delivery device within a delivery ecosystem includes an obtaining processor adapted to obtain one or more user factors indicative of a state of the user, wherein the one or more user factors are based upon at least a first aspect of a situation of the user separate to a handling or operation of the delivery device by the user; and an estimation processor adapted to identify a corresponding feedback action expected to alter a state of the user as indicated at least in part by the or each user factor.

Abstract: An aerosol delivery device includes a chamber for receiving an article including an aerosolizable material for delivery by the aerosol delivery device, a transmitter, a receiver spaced apart from the transmitter, and a processor. The processor is configured to: cause the transmitter to transmit a first signal to the receiver at least partially through an article in the chamber in use, so that the receiver receives a second signal, wherein the second signal is the first signal altered by interaction with a signal altering component of the article, and determine article data from the second signal. An article includes an aerosolizable material; and a signal altering component. 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 apparatus, method and computer program are described, including: monitoring, by the control circuitry, at least one operating parameter of the electronic aerosol delivery system; controlling, by the control circuitry, at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff; determining, by the control circuitry, a change in one or more of the operating parameters; modifying, by the control circuitry, in response to determining a change in one or more of the operating parameters, a control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff.

Abstract: An apparatus for an aerosol generating device includes an inductive heating circuit (150) configured to inductively heat a susceptor arrangement arranged to heat an aerosol generating material, to thereby generate an aerosol. The inductive heating circuit includes an inductive element (158) configured to inductively heat the susceptor arrangement when a varying current flows through the inductive element, and a switching arrangement (180) for causing the varying current to flow through the inductive element when a first DC voltage is supplied to the inductive heating circuit (150). A voltage regulator (154) is configured to receive an input voltage from a voltage supply (104) and output the first DC voltage across the inductive heating circuit. A control arrangement (106) is configured to adjust the first DC voltage output by the voltage regulator, thereby to adjust a power supplied to the heating circuit (150) for heating the susceptor arrangement.

Abstract: An apparatus for an aerosol generating device includes a heating circuit including an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol, a temperature determiner for determining a temperature of the susceptor arrangement based on one or more electrical properties of the heating circuit influenced by the temperature of the susceptor arrangement, and a control arrangement. Aerosol generating systems and methods of operating an aerosol generating system are also provided.

Abstract: An aerosol provision system for generating an aerosol for inhalation by a user. The aerosol provision system includes a housing enclosing at least partially an air channel and an aerosol generating element; a detector configured to detect an instantaneous strength of inhalation by detecting an amount of air flow or a pressure difference in the air channel during an inhalation by the user; a first indicator configured to provide a haptic indication to the user; and a controller connected to the detector and the indicator. The controller is configured to control the first indicator to generate the haptic indication to the user during the inhalation, the haptic indication varying during the inhalation based on the instantaneous strength of inhalation detected by the detector.

Abstract: A consumable for use with a non-combustible aerosol provision device including a first aerosol-generating material and a second aerosol-generating material, wherein each of the first and second aerosol-generating materials includes an amorphous solid, the amorphous solid having: 0.5-60 wt % of a gelling agent; 0-80 wt % of an aerosol-former material; and 0-60 wt % of at least one of an active substance, a flavorant and an acid; wherein these weights are calculated on a dry weight basis and wherein the amorphous solid of the first aerosol-generating material has a composition different from a composition of the amorphous solid of the second aerosol-generating material.

Abstract: An aerosol provision system is disclosed comprising an aerosol generating component for generating an aerosol from an aerosol generating material. The system further comprises a consumable comprising aerosol generating material, the consumable defining a surface at which at least part of the aerosol generating material is disposed the surface having a characteristic extent in a first direction and a characteristic extent in a second direction and a movement mechanism for providing relative movement between the aerosol generating component and the consumable. The movement mechanism is arranged to provide relative movement between the aerosol generating component and the consumable along an axis substantially parallel to the first direction and along an axis substantially parallel to the second direction.

Abstract: An article for use within a non-combustible aerosol provision system includes an aerosol-generating material having a top side, a barrier positioned adjacent to the top side of the aerosol-generating material and at least one passageway defined by the barrier and extending away from the top side of the aerosol-generating material. The at least one passageway is configured to, in use, allow aerosol to escape from the aerosol-generating material and provide a condensation region for the escaping aerosol.

Abstract: A method of control for an aerosol delivery system is disclosed herein. The method generates a first version of an aerosol having at least a first property modified to a first version within a first phase of the inhalation, detects a second phase of the inhalation, and generates a second version of the aerosol having at least the first property modified to a second, different version in response to detection of the second phase of the inhalation.

Abstract: A method of user characterization for an aerosol provision system is disclosed herein. The system is configured to generate aerosol from an aerosol generating material for user inhalation. The method involves detecting an airflow associated with the start of a user inhalation upon the aerosol provision system, calculating a gradient for the air flow during a first period following the start of inhalation, predicting at least one of an inhalation intensity and duration, based upon the calculated gradient, and adjusting one or more operational parameters of the aerosol provision system in response to the at least one predicted inhalation intensity and duration.

Abstract: An aerosol provision system generates aerosol from an aerosol generating material for user inhalation. The system includes a computer configured to estimate user demand for an active ingredient within the generated aerosol, based on one or more inhalation actions of the user during an immediately preceding inhalation session, where an inhalation session being no more than one hour long. The computer adjusts one or more operational parameters of the aerosol provision system responsive to the estimated user demand, and adapts aerosol provion for the next inhalation action.

Abstract: An aerosol generating apparatus is provided. The apparatus comprises a chamber configured to receive an article comprising an aerosolizable medium, a sensor arrangement configured to detect a first marker arrangement on the article and a second marker arrangement on the article. The second marker arrangement is located at a predetermined position relative to the first marker arrangement. The apparatus further comprises a controller, configured to determine a plurality of comparison values by comparing a plurality of first marker regions in the first marker arrangement with the second marker arrangement, and determine data associated with the article based on the plurality of comparison values.

Abstract: A component for a vapour provision system comprises a reservoir for storing aerosolisable substrate material, the reservoir bounded by a boundary wall with at least one movable section configured to move to reduce a storage volume of the reservoir; an outlet in the reservoir for dispensing aerosolisable substrate material from the reservoir; a one-way outlet valve at the outlet configured to open for the dispensing of the aerosolisable substrate material; and a dispensing arrangement operable to increase pressure of aerosolisable substrate material in an outlet volume of the reservoir which is not bounded by the movable section, so as to open the outlet valve and dispense a portion of aerosolisable substrate material, the subsequent absence of the dispensed portion reducing the pressure to allow the movable section of the boundary wall to move to reduce the storage volume.