Abstract: An aerosol generating device includes an inhalation sensor configured to detect user's inhalation, and a controller configured to compare first inhalation data obtained from the inhalation sensor with second inhalation data stored beforehand to perform user authentication according to a comparison result. Therefore, unauthorized use by an unauthorized user or a minor may be prevented.

Abstract: An aerosol generating device includes an accommodator for accommodating a cigarette through an opening formed at an end of the accommodator, a first susceptor located in the accommodator, a second susceptor disposed a predetermined distance away from the first susceptor, a coil that generates an alternating magnetic field for the first and second susceptors to generate heat, and a temperature sensor arranged proximate to the second susceptor to measure a temperature profile of the second susceptor. The temperature profile of the second susceptor corresponds to a temperature profile of the first susceptor, and a temperature of the first susceptor is determined based on the temperature profile of the second susceptor.

Abstract: An aerosol generating device includes: a heater including a first electrically conductive track and a second electrically conductive track having a higher temperature coefficient of resistance than the first electrically conductive track; and a controller configured to heat a cigarette accommodated in the aerosol generating device by using the first electrically conductive track in a first temperature change section and heat the cigarette by using the second electrically conductive track in a second temperature change section.

Abstract: Provided is an aerosol generating device including: a heater heating an aerosol generating material by power supplied; a battery storing power to be supplied to the heater; and a controller controlling power supply to the heater and power supply to the battery, wherein, the controller monitors a heating state of the heater when the aerosol generating device is electrically connected to an external power supply source; performs heating of the heater without charging of the battery by the external power supply source when the monitored heating state is determined to be a rapid heating state; and controls power supply to the heater and power supply to the battery to perform charging of the battery and heating of the heater together by the external power supply source when the monitored heating state is determined not to be the rapid heating state.

Abstract: An aerosol generating device includes: a susceptor configured to be inserted into an aerosol generating substrate; a first coil configured to induce heat in the susceptor by induction heating; a second coil having a resonance frequency which varies according to a change in a temperature of the susceptor; and a controller configured to calculate the temperature of the susceptor on the basis of a change in the resonance frequency of the second coil.

Abstract: Provided is an aerosol generating device including: a heater heating an aerosol generating material by power supplied; a battery storing power to be supplied to the heater; and a controller controlling power supply to the heater and power supply to the battery, wherein, the controller monitors a heating state of the heater when the aerosol generating device is electrically connected to an external power supply source; performs heating of the heater without charging of the battery by the external power supply source when the monitored heating state is determined to be a rapid heating state; and controls power supply to the heater and power supply to the battery to perform charging of the battery and heating of the heater together by the external power supply source when the monitored heating state is determined not to be the rapid heating state.

Abstract: Provided is an aerosol generating apparatus including: a heater configured to generate aerosol by heating a cigarette, the heater including a first electrically conductive heating element formed along a first path on an electrically insulating substrate, a second electrically conductive heating element formed along a second path on the electrically insulating substrate, and a temperature sensor track formed along a third path in a region between the first path and the second path; a battery configured to supply power to the heater; and a controller configured to control the power supplied from the battery to the heater and monitor a temperature sensed using the temperature sensor track.

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.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: Provided is an aerosol generating device for heating a cigarette to generate aerosol, the aerosol generating device includes an inner wall configured to form an accommodating space for accommodating at least a portion of the cigarette; a coil provided outside the inner wall, surrounding at least a portion of the accommodating space, and configured to generate an induced magnetic field; a heating body provided in the accommodating space and comprising a ferromagnetic substance that generates heat by the induced magnetic field; and a supporting portion configured to support the heating body and integrally molded with the heating body, wherein the inner wall supports the supporting portion and is integrally molded with the supporting portion.

Abstract: The present disclosure relates to a cleaning device and an aerosol-generating system including the same. Since the cleaning device according to an embodiment may receive electrical energy wirelessly from the aerosol-generating device, the cleaning device may operate without an internal battery or a wired power connection. Therefore, a weight of the cleaning device and its manufacturing cost may be reduced, and a user does not need to charge the cleaning device regularly.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: An aerosol generating device includes a housing including an accommodation space for receiving an aerosol generating article, a heater configured to heat the aerosol generating article inserted into the accommodation space to generate an aerosol, a sensor configured to generate a sensing signal corresponding to a change in capacitance of the accommodation space, and a processor electrically connected to the heater and the sensor, wherein the sensor includes a printed circuit board disposed to surround at least a part of an outer circumferential surface of the accommodation space, an electrode disposed on one region of the printed circuit board and configured to generate the sensing signal corresponding to the change in capacitance of the accommodation space, and ground disposed in another region of the printed circuit board located in a direction opposite to the one region, and the electrode being electrically connected to the ground to shield noise.

Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating substrate, at least one sensor configured to sense a tap input of a user, and a controller configured to receive a sensing value indicating the tap input from the at least one sensor, count a number of tap inputs based on the received sensing value being greater than a variable threshold, and operate the heater based on whether the counted number of tap inputs reaches a predetermined input number, wherein the controller adjusts the variable threshold based on the counted number of tap inputs.

Abstract: An aerosol generating device includes an accommodation space in a cylindrical shape for accommodating a cigarette, an induction coil wound along an outer surface of the accommodation space, a power supply for supplying electric power to the induction coil, a controller for controlling electric power supplied to the induction coil, and a shield film including a ferromagnetic material for shielding electromagnetic interference from electromagnetic waves emitted from the induction coil. The shield film surrounds only a portion of an outer surface of the induction coil to shield the electromagnetic interference from the electromagnetic waves having a frequency that does not exceed 500 kHz.

Abstract: Provided is an apparatus for generating an aerosol by induction heating, the apparatus including: at least one susceptor formed in an elongated structure extending in a longitudinal direction of a cigarette to be accommodated in the apparatus, and arranged to be inserted into the cigarette to heat the cigarette; an ejector including an accommodating space for accommodating the cigarette, and an opening formed at one end of the accommodating space so that the cigarette is inserted in the accommodating space, wherein the at least one susceptor is arranged opposite the one end in the accommodating space, and the ejector is detached from and attached to the apparatus together with the at least one susceptor; and a coil arranged to surround the ejector along the longitudinal direction when the ejector is coupled to the apparatus, and configured to apply an alternating magnetic field to the at least one susceptor so that the at least one susceptor generates heat.

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: 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.

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.