Abstract: An aerosol generating system includes: a cavity configured to accommodate at least a portion of a cigarette; a first induction coil located around the cavity; a second induction coil located around the cavity and connected to the first induction coil in parallel; and a battery configured to supply an alternating current to the first induction coil and the second induction coil, wherein the first induction coil and the second induction coil have different resonant frequencies.

Abstract: An aerosol generating device according to an embodiment may include a case including an accommodation space for accommodating at least a part of an aerosol generating article; a heater that heats the aerosol generating article accommodated in the accommodation space to generate aerosol; and an air circulator that generates air flow to discharge air in the accommodation space to outside.

Abstract: A vaporizer includes a liquid storage for storing an aerosol generating material, an upper cap having a liquid inlet through which the aerosol generating material is introduced, a lower cap coupled to the upper cap to form an aerosol generating space together with the upper cap, a liquid delivery element that is arranged in the aerosol generating space and absorbs the aerosol generating material delivered from the liquid storage, and a heating element that generates an aerosol by heating the aerosol generating material absorbed by the liquid delivery element, wherein the lower cap may include a support groove for supporting at least part of the liquid delivery element and inner walls facing both ends of the liquid delivery element.

Abstract: A cartridge for mounting on a main body of an aerosol generating device includes: a liquid storage extending in a longitudinal direction of the cartridge to form an outer wall of the cartridge, the liquid storage including a space accommodating a liquid composition therein; a heater that heats the liquid composition accommodated in the liquid storage to generate an aerosol; and a coupling protrusion including an elastic material, the coupling protrusion protruding from an outer surface of the liquid storage and coupling the main body to the cartridge.

Abstract: An aerosol generating system includes an aerosol generating device including an induction coil that performs a heating operation for heating a susceptor arranged in a cigarette insertion portion and a charging operation for receiving electric power from the outside to charge a power supply, and a charging device including a transmission coil that transmits electric power to the induction coil.

Abstract: To process a user input when an electronic device is being charged, an electronic device receives a user input from a user, determines whether the user input is a heating command to heat an aerosol-generating substrate of a cigarette, when the user input is the heating command, determines whether the electronic device is being charged, when the electronic device is being charged, invalidate the user input, and when the user input is not the heating command, performs an operation corresponding to the user input.

Abstract: An aerosol generating device includes a housing including an accommodation space in which an aerosol generating article is accommodated and an air flow path through which fluid moves inside the housing, wherein a volume of the air flow path is variable.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a housing comprising an insertion space in communication with an exterior of the housing; an elongated probe coupled to the housing and comprising a first end, wherein the elongated probe is movable from the insertion space to an interior of the housing; and a pressure sensor coupled to the housing and located adjacent to the first end of the elongated probe.

Abstract: According to an embodiment, an aerosol generating device includes: a battery configured to supply a battery voltage having a first voltage value; a first boost circuit configured to boost the battery voltage to a first boost voltage having a second voltage value greater than the first voltage value; a second boost circuit configured to boost the first boost voltage to a second boost voltage having, as a peak-to-peak voltage value, a third voltage value greater than the second voltage value; a vibrator configured to generate ultrasonic vibration according to the second boost voltage and atomize an aerosol generating material; and a processor configured to control the battery, the first boost circuit, and the second boost circuit.

Abstract: Provided is a method of controlling a temperature of a heater included in an aerosol generation device according to a type of cigarette. The method includes receiving temperature profiles of different types of cigarette from a user terminal; sensing a cigarette coupled to the heater after receiving the temperature profiles; identifying a type of the sensed cigarette; selecting a temperature profile corresponding to the identified type from among the temperature profiles; and controlling power supplied from a battery to the heater according to the selected temperature profile.

Abstract: An aerosol generating device includes a first vaporizer configured to generate a first aerosol by heating a first liquid composition, a second vaporizer configured to generate a second aerosol by heating a second liquid composition, and a controller controlling power supplied to the first vaporizer and the second vaporizer, based on a first mode, in which a smokeless aerosol is generated, and a second mode, in which a transport amount of nicotine included in the second liquid composition is adjusted.

Abstract: Provided is an aerosol generating device. The aerosol generating device includes: an accommodation part into which a cigarette is capable of being inserted; and a heating element passing through a hole formed in a bottom surface of the accommodation part, protruding into the accommodation part and capable of heating the cigarette inserted into the accommodation part, wherein, on the bottom-surface, the ratio of a cross-sectional area of the hole with respect to a cross-sectional area of the heating element is greater than or equal to 1.8.

Abstract: An aerosol generating device and an operation method thereof are disclosed. The aerosol generating device may include a heater for heating an aerosol generating material, a battery for supplying power to the heater, and a controller for dividing a preheating period for preheating the heater into a plurality of sections and controlling so that more power is supplied to the heater in a first section than in a second section among the plurality of sections.

Abstract: An aerosol generating device includes: a housing including a hole for receiving an aerosol generating article and a guide apart from the hole; and a cover configured to move along the guide between a first position and a second position to open or close the hole, wherein the hole is open when the cover is located in the first position, and the hole is closed when the cover is located in the second position.

Abstract: A smoking article with an improved tobacco flavor and a method of producing the same are provided. The smoking article according to some embodiments of the present disclosure may include a smoking material portion, a filter portion, and a wrapper wrapped around at least a portion of the smoking material portion. Here, a sheet-type material including a plant extract may be applied to the smoking material portion or the wrapper. By expressing a tobacco flavor during smoking, the sheet-type material can improve a tobacco flavor of the smoking article.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure includes an aerosol-generating module including at least one heater configured to heat an aerosol-generating substance, a battery configured to supply electric power to the heater, a sensor module including at least one sensor configured to sense inhalation by a user, a memory, and a controller configured to control the electric power supplied to the heater. The controller determines an inhalation pattern associated with inhalation by the user based on a signal received from the sensor module, determines a temperature profile corresponding to the inhalation pattern based on the determined inhalation pattern when the determined inhalation pattern differs from a previous inhalation pattern, and controls the electric power supplied to the heater based on the temperature profile corresponding to the inhalation pattern.

Abstract: A cigarette includes a tobacco rod, a front end plug positioned at a front end of the tobacco rod, a filter rod positioned at a rear end of the tobacco rod, and a wrapper surrounding the tobacco rod, the front end plug, and the filter rod and including at least one perforation formed in an area of the wrapper to allow air to flow to the inside of the wrapper.

Abstract: According to an embodiment, provided is an aerosol generating device including: a receiving portion accommodating a cigarette through an opening formed at one end of the receiving portion; a first susceptor located in the receiving portion; a second susceptor arranged spaced apart from the first susceptor; a third susceptor arranged spaced apart from the first susceptor and the second susceptor; and a coil that induces an alternating magnetic field so that the first to third susceptors generate heat, wherein whether the cigarette is accommodated is determined based on a first temperature profile of the second susceptor and a second temperature profile of the third susceptor.

Abstract: According to an embodiment of the present invention, there is disclosed an aerosol-generating device for generating an aerosol through microwaves, the device including a microwave heater generating microwaves; a microwave cavity located in the aerosol-generating device, configured to accommodate a cigarette containing an aerosol-generating substrate, and including at least one outlet for passing an aerosol generated from the cigarette heated by the generated microwaves; and a microwave antenna located outside the microwave cavity and configured to transmit the generated microwaves to a predetermined effective area range in the microwave cavity.

Abstract: An embodiment of the present invention includes a plurality of coils which have different numbers of windings and generate an alternating magnetic field when alternating current is applied; a susceptor for generating an aerosol by heating adjacent aerosol-generating substrates using heat generated through the alternating magnetic fields generated from the plurality of coils; and a controller for controlling a predetermined alternating current to be supplied to each of the plurality of coils, wherein the controller controls a first portion and a second portion of the susceptor to be heated differentially by alternating current supplied to the plurality of coils.