Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, and a tubular cooling portion disposed between the tobacco medium portion and the filter portion. A tobacco medium may be included in a wall constituting the cooling portion.

Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating article, a gas sensor configured to sense a concentration of a particular gas, and a controller configured to control a supply of power to the heater, wherein the controller is configured to determine any one temperature profile from among a plurality of temperature profiles on the basis of a sensing value of the gas sensor.

Abstract: The present disclosure relates to a container for retort food and, more specifically, to a container for retort food, which includes: a ridge portion having a closed curve shape to surround a tray part; and an exhaust hole surrounded by the ridge portion, so that the container enables a lid film to be automatically peeled off from the ridge portion by means of a steam pressure generated in a food during heating to exhaust steam and can be used for retort food which is stored at room temperature.

Abstract: An aerosol generating device includes: a coil configured to generate a magnetic field by a current flowing through the coil; a heater configured to be induction heated via the magnetic field; and a controller configured to control the current. The controller is further configured to change a frequency of the current flowing through the coil within a pre-set driving frequency range; and determine whether a magnitude of the current flowing through the coil exceeds a threshold value according to one or more changed frequencies of the current.

Abstract: The present disclosure relates to a scheme of managing and operating a multi-class quantum key provided in a unit of a quantum key length in a quantum cryptography communication network.

Abstract: An aerosol generating device comprises a housing forming an external shape of the aerosol generating device and having a sound emission hole, an accommodation portion configured to accommodate a cigarette through a hole formed on one side of the housing, a heater configured to heat the cigarette accommodated in the accommodation portion, a memory storing sound data, a sound output unit configured to output the sound data, and a controller configured to transmit the sound data stored in the memory to the sound output unit.

Abstract: A tobacco material includes a core including a first tobacco mixture, and a shell surrounding at least a portion of the core and including a second tobacco mixture, wherein the first tobacco mixture includes first tobacco particles and a flavor substance, the second tobacco mixture includes second tobacco particles, and the shell has a surface roughness (Ra) of about 5.0 to about 10.0.

Abstract: An aerosol generating apparatus according to an aspect includes a memory that stores data relating to a state of the aerosol generating apparatus, a display that outputs information relating to the aerosol generating apparatus, and a processor, and the processor detects an abnormal operation of the aerosol generating apparatus based on data stored in the memory, performs self-diagnosis on modules included in the aerosol generating apparatus as the abnormal operation is detected, and controls the display to output a first solution corresponding to an error detected according to the self-diagnosis.

Abstract: A coating device includes: a stage transfer part including a first long shaft extending in a first direction and a second long shaft extending in a second direction intersecting the first direction; a stage tilting part disposed on the stage transfer part, where the stage tiling part swings about a first swing axis; a stage rotating part disposed on the stage tilting part, where the stage rotating part rotates about a first rotating axis intersecting the first swing axis; a stage aligning part disposed on the stage rotating part, where the stage aligning part includes a first short shaft extending in the first direction and a second short shaft extending in the second direction; and a stage disposed on the stage aligning part, wherein a coating target is seated on the stage, where the stage includes a monitoring camera disposed in a camera seating space defined inside the stage.

Abstract: Disclosed are an apparatus for managing quantum keys and a method of operating the same to rapidly and flexibly provide quantum keys for network services by effectively and efficiently distributing quantum keys in a quantum-secured network.

Abstract: According to one or more embodiments, an aerosol-generating device may be provided, the aerosol-generating device including: a cigarette insertion detection sensor detecting whether a cigarette is inserted into an accommodation space of the aerosol-generating device; a heater heating the cigarette inserted in the accommodation space; at least one temperature sensor measuring temperatures of at least two locations inside the aerosol-generating device; and a controller configured to determine whether the aerosol-generating device is in an overheated state based on temperatures measured by the temperature sensor when the cigarette inserted into the accommodation space is detected by the cigarette insertion detection sensor, and automatically perform a heating operation using the heater after waiting until the overheated state is finished when it is determined that the aerosol-generating device is in an overheated state.

Abstract: An aerosol generating device includes a heating element of which inner surface have different portions having different structures such that the portions of the heating element may heat corresponding areas of an aerosol generating article which is inserted in the aerosol generating device at different temperatures, thereby providing a good quality of aerosol to the user.

Abstract: An aerosol generating device includes a first housing part including a first cover portion and a first coupling portion, a second housing part including a second cover portion and a second coupling portion, a third housing part a third coupling portion configured to be coupled to the first coupling portion and a fourth coupling portion configured to be coupled to the second coupling portion, and a fourth housing part including an article insertion portion configured to accommodate at least a portion of an aerosol generating article.

Abstract: An aerosol generating device includes a housing including an accommodation space for accommodating an aerosol generating article, a heater configured to heat the aerosol generating article accommodated in the accommodation space, and a circuit board including a first sensor for sensing a capacitance change in the accommodation space and a second sensor for sensing an inductance change in the accommodation space.

Abstract: An aerosol generating device includes a housing including an air inlet through which air is introduced, and a heater module arranged inside the housing and configured to heat an aerosol generating article, wherein the heater module includes a receiving portion having a receiving space for accommodating the aerosol generating article, one or more coils configured to generate a magnetic field, a passage structure arranged on one side of the receiving portion and including one airflow passage configured to receive external air through the air inlet and transfer the received external air to the receiving portion, and a pressure sensor configured to generate a signal about a pressure inside the airflow passage.

Abstract: An exterior camera system and a cleaning method thereof are provided. The exterior camera system includes a base unit that is fixed to a vehicle, a housing rotatably coupled with the base unit, and an imaging device including a camera module and having at least a portion inserted into the housing to move in a longitudinal direction of the housing. A wiper is disposed on an inside surface of the housing to face the camera module, and a washer fluid nozzle is disposed adjacent to the wiper. A controller receives a video from the camera module to set a rotation angle of the housing based upon driving conditions of the vehicle and to adjust extension of the imaging device.

Abstract: An aerosol generating device includes a receiving space into which an aerosol generating article is inserted, a heater configured to heat the aerosol generating article, an insertion detecting sensor configured to detect whether the aerosol generating article is inserted into the receiving space, a memory including a lookup table in which a preset value is matched to each aerosol generating article, and a controller. The controller is configured to, when it is detected through the insertion detecting sensor that the aerosol generating article inserted into the receiving space is moved from the receiving space during a heating operation of the heater, pause the heating operation of the heater, and determine whether to resume the heating operation of the heater according to whether the aerosol generating article is re-inserted into the receiving space within a preset grace time from a time point when the heating operation is paused.

Abstract: According to some embodiments, an aerosol generating device may include a battery, a first control circuit configured to convert power received from the battery into a pulse width modulation (PWM) signal, a heater configured to heat an aerosol generating article based on the PWM signal received from the first control circuit, and a second control circuit configured to transmit an instruction for causing the first control circuit to generate the PWM signal, in response to a user input to the first control circuit. The first control circuit may determine abnormal operation of the second control circuit, and the second control circuit may determine abnormal operation of the aerosol generating device. Accordingly, the aerosol generating device may determine a more specific operation state and prevent abnormal operation of the heater.

Abstract: An aerosol generating device includes a heater configured to heat at least part of an aerosol generating article, a puff sensor configured to detect a user's puff, and a processor electrically connected to the heater and the puff sensor, wherein the processor is configured to detect a remaining puff number of the aerosol generating article by using the puff sensor, compare a detected remaining puff number with the preset puff number, stop power supply to the heater for a preset time when the detected remaining puff number is less than the preset puff number, and supply power to the heater after the preset time elapses, such that a temperature of the heater reaches a target temperature corresponding to the remaining puff number. In addition, various embodiments may be implemented through the specification.

Abstract: Provided are a composition, a device, a filter, a method and the like, which convert toxic carbon monoxide and/or carbon dioxide in waste gas to formic acid without by-products at room temperature and at room pressure by using carbon monoxide dehydrogenase and formic acid dehydrogenase. The composition, the device, the filter, the method and the like enable the removal of carbon monoxide which is emitted in a great amount from industries such as petrochemical and steel industry and tobacco combustion, household cooking appliances, and various boiler combustion, through a cigarette filter, an air purifier, a household cooking appliance suction filter, a gas boiler, etc. Accordingly, the production method can be variously applied.