Abstract: A method, performed by an aerosol generating device, of performing a self-diagnosis, includes: when the aerosol generating device does not normally operate by an error, determining whether to activate the self-diagnosis for analyzing the error of the aerosol generating device; when the self-diagnosis is activated, performing a function self-test by checking whether each of functions required for a normal heating operation of the aerosol generating device is operative; determining a faulty component of the aerosol generating device based on a result of the function self-test; determining a faulty function of the faulty component based on an error log recorded in the aerosol generating device; determining a severity of the determined faulty function; and outputting a final diagnosis result with respect to the self-diagnosis based on the faulty component, the faulty function, and the severity.

Abstract: A cartridge for an aerosol generating device includes a cartridge for an aerosol generating device includes a liquid storage provided with a space storing a liquid composition that is atomized by a heater to generate an aerosol and including an open end portion of one side sealed by a sealing means to prevent leakage of the liquid composition stored in the space; a mouthpiece coupled in a direction covering the open end portion of the liquid storage and including a discharge hole through which the aerosol generated from the liquid composition stored in the liquid storage is discharged to an outside; and a flavor capsule provided in a space between the open end portion of the one side of the liquid storage hidden by coupling of the liquid storage and the mouthpiece and the sealing means and crushed due to pressure from a user to discharge a flavoring agent.

Abstract: An aerosol generation device having a vibration part and a control method thereof are provided. The aerosol generation device according to some embodiments of the present disclosure may include a housing including an accommodation space for accommodating an aerosol-generating article, a heating element configured to be inserted into the aerosol-generating article accommodated in the accommodation space and heat the accommodated aerosol-generating article to generate an aerosol, and a vibration part. The vibration part may vibrate the heating element to prevent formation of stuck-on residue on the heating element and allow removal of stuck-on residue formed on the heating element.

Abstract: Disclosed is an aerosol generating device including a battery; a power supply unit configured to control power supply of the battery; and a controller configured to, when a first mode switching condition is satisfied, control the power supply unit such that the aerosol generating device switches from a first power mode in which power is supplied to the controller to a second power mode in which no power is supplied to the controller.

Abstract: An aerosol generating device according to one embodiment includes: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.

Abstract: An electronic cigarette control device includes: a communicator configured to establish a communication connection with at least one device; and a processor configured to control an electronic cigarette according to a control message with respect to the electronic cigarette, the control message being received from the at least one device through the established communication connection.

Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating article; a temperature sensor configured to measure a temperature of the heater; and a processor configured to: obtain an initial temperature of the heater which is measured by the temperature sensor when a user input for starting an heating operation of the heater is received, compare the initial temperature of the heater with a first temperature; based on the initial temperature being lower than the first temperature, control the heater to perform the heating operation according to a preset temperature profile; and when the temperature of the heater reaches a second temperature higher than the first temperature, control the heater to stop the heating operation for a first delay time.

Abstract: An aerosol-generating article and a method of manufacturing the same capable of simultaneously improving satisfaction with a tobacco smoke taste and allowing the aerosol-generating article to be manufactured at low cost are provided. The aerosol-generating article according to some embodiments of the present disclosure may include an aerosol-forming substrate portion which includes shredded tobacco leaves and is configured to form an aerosol when electrically heated by an aerosol generation device and a mouthpiece portion which is disposed downstream of the aerosol-forming substrate portion to form a downstream end of the aerosol-generating article. Since the shredded tobacco leaves are cheaper than a reconstituted tobacco sheet, manufacturing costs of the aerosol-generating article may be reduced.

Abstract: An aerosol generating device includes a first cartridge including a delivery hole for delivering an aerosol generated from the first material, a second cartridge including chambers for accommodating a second material passing an aerosol delivered from the first cartridge therethrough and is capable of changing a relative position of the first cartridge with regard to the second cartridge, a drive device for changing the relative position of the first cartridge and the second cartridge, and a controller for changing the relative position of the first cartridge with regard to the second cartridge so that at least one of the plurality of chambers passes the aerosol therethrough when a previously determined condition is satisfied.

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: A heater assembly includes a heater extending to correspond to at least a part of a length of a cigarette and comprising one end to be inserted into the cigarette and configured to generate heat when electricity is applied; a first cover coupled to the heater to maintain a position with respect to the heater and comprising one surface that faces toward the end of the heater and extends outward from the heater; and a second cover coupled to another end of the heater and supporting another surface of the first cover facing toward the other end of the heater.

Abstract: An aerosol-generating apparatus includes a vaporizer configured to generate an aerosol by heating an aerosol-generating material, a chamber configured to rotate with respect to the vaporizer and store a flavoring material such that the aerosol generated in the vaporizer passes through the flavoring material, an input portion configured to rotate according to a user manipulation and cause the chamber to rotate along, an input circuit including a rotating device coupled to the input portion to rotate with the input portion, and a plurality of connecting devices configured to generate a signal based on a position of the rotating device such that one of the plurality of connecting devices corresponding to a position of the rotating device generates a changed signal, and a processor configured to perform a function corresponding to a connecting device that has generated the changed signal among the plurality of connecting devices.

Abstract: An aerosol generating device includes a multilayered thermally conductive member forming an accommodation space into which an aerosol generating article is configured to be inserted; a heater surrounding the multilayered thermally conductive member; a battery configured to supply power to the heater; and a controller configured to control power supplied from the battery to the heater such that the multilayered thermally conductive member transfers heat from the heater to the aerosol generating article. Each layer of the multilayered thermally conductive member includes a corrosion-resistant material or a thermally conductive material.

Abstract: An aerosol generating device may include a cartridge configured to store an aerosol generating material, a main body to which the cartridge is detachably coupled, a first heater configured to heat a cigarette inserted into the aerosol generating device, a second heater configured to heat an aerosol generating material, and a processor configured to individually control the first heater and the second heater so that the aerosol generating device operates in one of a smokeless mode in which visible smoke is not generated and a smoke mode in which visible smoke is generated.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure includes a housing having therein an elongated insertion space; a cap configured to cover at least a portion of the housing at which the insertion space is formed, the cap comprising an opening corresponding to the insertion space; a cover coupled to the cap and movable to open or close the insertion space; a spring having a first side supported by the cap and a second side supported by the cover and configured to apply an elastic force to the cover; and a magnetic-force-generating unit mounted to the cap and operable to apply an attractive magnetic force or a repulsive magnetic force to the cover.

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: An aerosol generating device according to one embodiment includes: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.

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 aerosol-generating device and an operation method thereof are disclosed. The aerosol-generating device of the present disclosure includes a wick configured to absorb an aerosol-generating substance, a heater configured to heat the wick, a sensor configured to sense a puff, and a controller. The controller performs control to heat the heater while puffs are sensed, and detects the temperature of the heater. Based on the temperature of the heater being equal to or higher than a predetermined threshold temperature, the controller interrupts the supply of power to the heater. Based on the temperature of the heater being lower than the threshold temperature, the controller determines whether it is necessary to change the threshold temperature. Based on a need to change the threshold temperature, the controller changes the threshold temperature based on the detected temperature of the heater.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure includes a heater configured to heat an aerosol-generating substance, a battery configured to supply electric power to the heater, a memory, and a controller configured to determine the remaining capacity of the battery. When the battery is charged, the controller determines whether charging history data on a history of charging the battery to the maximum capacity is stored in the memory. When the charging history data is not stored in the memory, the controller determines the remaining capacity of the battery using an initial data table pertaining to at least one of current or time, which is stored in the memory. When the charging history data is stored in the memory, the controller determines the remaining capacity of the battery based on the charging history data stored in the memory.