Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.

Abstract: An aerosol generating device and a controlling method thereof are provided. An aerosol generating device includes: a battery configured to supply power for generating an aerosol from an aerosol generating material; a converter configured to convert a supply voltage from the battery into a constant voltage of a predetermined level; a heater configured to heat the aerosol generating material using the supply voltage; a detection circuit configured to detect a change in resistance of the heater by applying the constant voltage output from the converter and performing a current sensing on the heater with a resistance value; and a controller configured to control the heater for generating the aerosol by switching between a monitoring mode for performing the detection of the change in the resistance of the heater using the constant voltage and a heating mode for heating the heater using the supply voltage.

Abstract: An aerosol generating device includes: a first cartridge configured to accommodate a first material and including a delivery hole that is configured to deliver an aerosol generated from the first material; a second cartridge including a plurality of chambers that are each configured to accommodate a second material through which the aerosol delivered from the first cartridge passes and is discharged to the outside, wherein a position of the second cartridge with respect to the first cartridge is changeable so that at least one of the plurality of chambers corresponds to the delivery hole; a position sensor configured to generate a signal by detecting a position of at least one of the plurality of chambers with respect to the delivery hole; and a controller configured to identify a usage chamber based on the signal of the position sensor.

Abstract: An aerosol generating device includes a first electrode and a second electrode, which are arranged apart from each other on an outer surface of a main body, and supplies power to a controller only when the first electrode and the second electrode are in electrical contact with each other by user's manipulation, such that power consumption in a standby mode may be significantly reduced.

Abstract: An aerosol generating device including: a heater configured to heat an aerosol-generating material; a battery configured to supply power to the heater; an airflow detecting sensor configured to detect a change in airflow inside the aerosol generating device; a pressure sensor configured to detect a pressure change outside the aerosol generating device; and a controller, wherein the controller may determine whether a puff has occurred based on a first sensing value received from the air flow detection sensor and a second sensing value received from the pressure sensor.

Abstract: Provided is an aerosol generating device including: a heater configured to heat an aerosol-generating material; a battery configured to supply power to the heater; a puff detection sensor configured to detect a user's puff; and a controller configured to receive a sensing value from the puff detection sensor, wherein the controller is configured to, when the sensing value is equal to or less than a first threshold value, determine that a puff has occurred and control power supplied to the heater based on a first temperature profile for a pre-set time period, and after the pre-set time period, control power supplied to the heater based on a second temperature profile.

Abstract: An aerosol generating device includes a battery, a capacitive sensor, a controller, a first conductive element, a second conductive element, and a heater, wherein the controller is configured to control power supplied from the battery to the heater based on an order of a first time point at which the capacitive sensor senses contact of a user through the first conductive element and a second time point at which the capacitive sensor senses contact of the user through the second conductive element.

Abstract: Disclosed are an aerosol generating device including a heater that heats an aerosol generating material; a battery that supplies power to the heater; a sensor that senses puffs of aerosol; and a controller that determine a power profile based on a time interval between the puffs of the user and controls power to be supplied to the heater according to the determined power profile, and an operation method thereof.

Abstract: A device for generating an aerosol includes: a body portion including a controller, a heater, and a magnetic sensor, and a sliding member including a magnet and configured to move between a first position and a second position along the body portion, wherein the magnetic sensor detects movement of the magnet, and wherein the controller activates the device when the magnetic sensor detects that the sliding member is moved from the first position to the second position.

Abstract: According to some embodiments, there is disclosed an aerosol generating device which includes: a main body including a controller and a battery; and a cartridge detachably coupled to the main body, wherein the controller periodically detects whether the cartridge is coupled to the main body while the aerosol generating device operates in a first mode, determines whether a preset period of time has elapsed based on the cartridge being determined to have been separated from the main body, and switches the aerosol generating device from the first mode to a second mode based on whether the cartridge is coupled to the main body before the preset period of time elapses.