Abstract: An aerosol-generating device is provided for alternative use with at least a first type and a second type of inductively heatable aerosol-generating articles including a susceptor arrangement, the device including: a receptacle to removably receive at least a portion of the first or the second type of article; an inductive heating arrangement to generate an alternating magnetic field for inductively heating the susceptor arrangement when the article is received by the receptacle; and a controller operatively connected to the heating arrangement and being configured to: determine a first value and a second value of an electrical property of the susceptor arrangement being reached during heating of the susceptor arrangement in use of the device when the article is received by the receptacle, determine the difference between the first and the second values, and identify an article type of the article received by the receptacle based on the determined difference.

Abstract: A system is provided, including: an aerosol-generating device and/or a charging device associated with an aerosol-generating device; a near-field communication module including a nonvolatile memory; and a controller configured to receive an indication of an error occurrence and to update an error data log stored in the nonvolatile memory by storing an error data entry associated with the error occurrence to the error data log, the error data entry being configured to be read by an external device even when the aerosol-generating device and/or the charging device including the near-field communication module is not powered. A method for maintaining error data on an aerosol-generating device and/or a charging device associated with an aerosol-generating device is also provided. A method for recovery of error data from an aerosol-generating device and/or a charging device associated with an aerosol-generating device is also provided.

Abstract: An aerosol-generating device for heating an aerosol-forming substrate to form an inhalable aerosol when heated, the device including: a cavity configured to removably receive at least a portion of an article, including the substrate to be heated; an electrical heating arrangement including an electronic circuitry and a heating element operatively coupled to the electronic circuitry configured to heat the substrate when the article is received in the cavity; and a controller including a temperature sensor configured to output a signal indicative of a temperature or a temperature increase of at least one portion of the electronic circuitry during operation of the heating arrangement, the controller being configured to detect a presence, absence, or displacement of the article in the cavity in response to the signal indicating that the temperature or the temperature increase has breached a predefined temperature threshold or a predefined temperature increase threshold, respectively.

Abstract: An aerosol-generating system is provided, including: an aerosol-generating device having a locked state in which the aerosol-generating device is prohibited from generating aerosol and an unlocked state in which the aerosol-generating device is permitted to generate aerosol; and a receiving device to at least partially receive the aerosol-generating device, each of the aerosol-generating and the receiving devices includes a communication interface to communicatively couple the aerosol-generating device with the receiving device, the receiving device including a control arrangement with at least one biometric sensor to authenticate a user of the system based on sensing at least one biometric feature of the user, and the control arrangement being configured to transmit an authentication signal to the aerosol-generating device to configure the aerosol-generating device into the locked state or into the unlocked state, the authentication signal being indicative of a successful or an unsuccessful authentication of

Abstract: An aerosol-generating device for generating an aerosol from an aerosol-generating article is provided, including: a cavity to receive the article; a heater assembly to heat the article received in the cavity; and a power supply to supply power to the heater assembly and controlled by a controller operable in a low power mode in which aerosol is not generated and a high power mode in which aerosol can be generated, the controller controlling the power supply to operate in the low power mode initially, and, in the low power mode, measuring a parameter related to a rate of change of a temperature of the heater assembly or of the article received in the cavity, and the controller being further configured to switch from the low power mode to the high power mode only if the measured parameter satisfies a predetermined criterion.

Abstract: A method for controlling aerosol production in an aerosol-generating device is provided, the device including an inductive heating arrangement and a power source to provide power to the heating arrangement, the method including: performing, during a first user operation mode of the device for producing an aerosol, a calibration process including measuring, to obtain a first safety parameter value, a safety parameter associated with a susceptor inductively coupled to the heating arrangement, the susceptor being configured to heat an aerosol-forming substrate, the calibration process further including a heating phase from a first calibration temperature to a second calibration temperature of the susceptor, and the safety parameter being a duration of the heating phase; and during a second user operation mode of the device, controlling power provided to the heating arrangement such that a temperature of the susceptor is adjusted based at least in part on the measured safety parameter.

Abstract: An aerosol-generating device is provided for heating an aerosol-forming substrate to form an inhalable aerosol, the device including: a cavity to removably receive at least a portion of an aerosol-generating article including the substrate and an inductively heatable susceptor configured to heat the substrate; an inductive heating arrangement to generate an alternating magnetic field within the cavity for inductively heating the susceptor when the article is received in the cavity; and a control circuitry to generate power pulses for intermittently powering on the arrangement, to determine during one or more power pulses a value of at least one property of the arrangement, the value depending on an article with a susceptor being present in or absent from the cavity, and to detect at least one of the insertion or the extraction of the article into or from the cavity based on the determined value and a predetermined threshold value.

Abstract: An inductively heated aerosol-generating system is provided, including an inductive heating arrangement having an inductor and a susceptor; and a controller to: monitor an electrical control parameter during an operational heating mode, maintain a temperature of the susceptor within an operational temperature range by controlling power supplied referring to a target value of the parameter, determine whether a response of the parameter meets a predetermined condition, and implement a change in operation if the response does not do so, power being supplied as a plurality of discrete pulses of current, the response being analyzed for each pulse to determine whether a value of the parameter rises or falls during the pulse, the controller further identifying upper and lower boundary values of the parameter, and the target value being set to a value between the upper and the lower boundary values.

Abstract: An induction heatable aerosol-generating system is provided, including: an inductive heating arrangement having an inductor and a susceptor; a power source configured to supply power to the heating arrangement; and a controller to: control power supplied from the power source to the heating arrangement, monitor an electrical control parameter, and operate the system in operational modes including at least: a calibration mode, a heating mode, a re-calibration mode, to verify or modify the relationship between the electrical control parameter and the temperature of the susceptor and to periodically or intermittently redetermine the target value of the electrical control parameter, and a safety mode, to adjust the power provided to the inductive heating arrangement in response to one or more predetermined criteria being met.

Abstract: A method for controlling aerosol production in an aerosol-generating device is provided, the aerosol-generating device including an inductive heating arrangement configured to heat a susceptor, power supply electronics, and a power source configured to provide power to the power supply electronics, the method including: controlling the power provided to the power supply electronics to cause the susceptor to have a target temperature; measuring, using at least one temperature sensor, a temperature of the power supply electronics during operation of the aerosol-generating device for generating an aerosol; and adjusting the power provided to the power supply electronics based on a change of the measured temperature of the power supply electronics. An aerosol-generating device, and an aerosol-generating system including the aerosol-generating device and an aerosol-generating article, are also provided.

Abstract: A method for controlling aerosol production in an aerosol-generating device is provided, the device including an inductive heating arrangement and a power source, the method including: performing, during a first heating phase, a first iteration of a calibration process for measuring one or more calibration values associated with a susceptor to heat an aerosol-forming substrate; and during a second heating phase: controlling power provided to adjust a temperature of the susceptor based on a calibration value, re-measuring the value by performing one or more further iterations of the calibration process, the susceptor temperature being adjusted based on the calibration value resulting from a latest iteration of the calibration process prior to adjusting the susceptor temperature, and in response to detecting a puff, preventing re-measuring of the calibration value.

Abstract: A system is provided, including: an aerosol-generating device and/or a charging device associated with an aerosol-generating device; a near-field communication module including a nonvolatile memory; and a controller configured to receive an indication of an error occurrence and to update an error data log stored in the nonvolatile memory by storing an error data entry associated with the error occurrence to the error data log, the error data entry being configured to be read by an external device even when the aerosol-generating device and/or the charging device including the near-field communication module is not powered. A method for maintaining error data on an aerosol-generating device and/or a charging device associated with an aerosol-generating device is also provided. A method for recovery of error data from an aerosol-generating device and/or a charging device associated with an aerosol-generating device is also provided.

Abstract: An aerosol-generating device is provided for alternative use with at least a first type and a second type of inductively heatable aerosol-generating articles including a susceptor arrangement, the device including: a receptacle to removably receive at least a portion of the first or the second type of article; an inductive heating arrangement to generate an alternating magnetic field for inductively heating the susceptor arrangement when the article is received by the receptacle; and a controller operatively connected to the heating arrangement and being configured to: determine a first value and a second value of an electrical property of the susceptor arrangement being reached during heating of the susceptor arrangement in use of the device when the article is received by the receptacle, determine the difference between the first and the second values, and identify an article type of the article received by the receptacle based on the determined difference.

Abstract: An aerosol-generating system is provided, including: an aerosol-generating device having a locked state in which the aerosol-generating device is prohibited from generating aerosol and an unlocked state in which the aerosol-generating device is permitted to generate aerosol; and a receiving device to at least partially receive the aerosol-generating device, each of the aerosol-generating and the receiving devices includes a communication interface to communicatively couple the aerosol-generating device with the receiving device, the receiving device including a control arrangement with at least one biometric sensor to authenticate a user of the system based on sensing at least one biometric feature of the user, and the control arrangement being configured to transmit an authentication signal to the aerosol-generating device to configure the aerosol-generating device into the locked state or into the unlocked state, the authentication signal being indicative of a successful or an unsuccessful authentication of

Abstract: An aerosol-generating device for heating an aerosol-forming substrate to form an inhalable aerosol when heated, the device including: a cavity configured to removably receive at least a portion of an article, including the substrate to be heated; an electrical heating arrangement including an electronic circuitry and a heating element operatively coupled to the electronic circuitry configured to heat the substrate when the article is received in the cavity; and a controller including a temperature sensor configured to output a signal indicative of a temperature or a temperature increase of at least one portion of the electronic circuitry during operation of the heating arrangement, the controller being configured to detect a presence, absence, or displacement of the article in the cavity in response to the signal indicating that the temperature or the temperature increase has breached a predefined temperature threshold or a predefined temperature increase threshold, respectively.