A control body is coupled or coupleable with a cartridge that is equipped with a heating element and contains an aerosol precursor composition, the control body and cartridge forming an aerosol delivery device. The control body includes a control component to control the heating element to activate and vaporize components of the aerosol precursor composition. The control body also includes a gas sensor configured to detect a presence of gas in an environment of the control body, and the gas sensor or control component are further configured to control operation of at least one functional element of the aerosol delivery device in response to the presence of gas so detected.

An electronic inhalation device comprising a mouthpiece and a control unit, the control unit comprising a power cell and a computer, where the computer comprises a computer processor, a memory and an input-output means; wherein the device further comprises a transmitter connected to the computer and the computer is configured in use to collect and store use data relating to a user's use of the device in the computer memory and transmit the use data.

An electronic inhalation device comprising a mouthpiece and a control unit, the control unit comprising a power cell and a computer, where the computer comprises a computer processor, a memory and an input-output means; wherein the device further comprises a transmitter connected to the computer and the computer is configured in use to collect and store use data relating to a user's use of the device in the computer memory and transmit the use data.

A system is provided, including: an aerosol-generating device arranged to interact with a tobacco stick and/or comprising a charging device associated with an aerosol-generating device, in which the aerosol-generating device and/or the charging device include at least one light emitter, a controller to adjust at least one visual characteristic of light emitted by the at least one light emitter based on a local time retrieved from a timer, and a communication interface to exchange data with a mobile terminal, the data including instructions for adjusting the at least one visual characteristic; and the mobile terminal to display a user interface for inputting the instructions, in which the instructions include a time setting, and in which the user interface includes a first user interface element for inputting the time setting.

An aerosol-generating device is provided for generating an aerosol from an aerosol- forming substrate during a usage session including at least four sequential phases, the device including: a light emitting indicator being configured to display any one of at least four different indication modes during the usage session; and a controller to control the indicator to display any one of the modes to indicate progress of the usage session, in which any or each of the phases has a maximum phase duration determined by a timer, in which the device is configured such that the usage session has a maximum usage session duration determined by the timer, and to record at least one user interaction parameter during the usage session, a phase duration of any, or each, of the phases having a duration less than the maximum phase duration if a value of the parameter reaches a predetermined threshold.

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.

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.

An aerosol delivery device is provided that includes a user interface including a pushbutton and a display. A control component contained coupled to the user interface controls operation of at least one functional element of the aerosol delivery device. The control component controls the display to present a menu including a plurality of menu items selectable using only the pushbutton. Each menu item of the plurality of menu items is associated with a respective functional element of the aerosol delivery device, and the control component is configured to navigate the plurality of menu items, and select a currently-presented menu item of the plurality of menu items for control of the respective functional element, in response to respective first and second types of presses of the pushbutton, the first and second types of presses being of different durations.

An aerosol delivery device is provided that includes a user interface including a pushbutton and a display. A control component contained coupled to the user interface controls operation of at least one functional element of the aerosol delivery device. The control component controls the display to present a menu including a plurality of menu items selectable using only the pushbutton. Each menu item of the plurality of menu items is associated with a respective functional element of the aerosol delivery device, and the control component is configured to navigate the plurality of menu items, and select a currently-presented menu item of the plurality of menu items for control of the respective functional element, in response to respective first and second types of presses of the pushbutton, the first and second types of presses being of different durations.

An apparatus and a method for an aerosol generating device is described, the apparatus including a control module and a charging controller. The charging controller is configured to control charging of a battery at a first charging rate in a first charging mode and to control charging of the battery at a second charging rate, lower than the first charging rate, in a second charging mode. The control module is configured to determine information relating to usage of the aerosol generating device. The charge controller is configured to operate in the first charging mode or the second charging mode depending, at least in part, on the information relating to the use of the aerosol generating device.