Abstract: An aerosol generating device is provided. The aerosol generating device includes: a housing shaped to define an insertion space and extending in an elongated manner; a first heater disposed adjacent to one end of the insertion space in a longitudinal direction of the insertion space and being configured to heat an aerosol generating substance; a color sensor disposed adjacent to the insertion space and facing the insertion space; and a second heater configured to heat at least a portion of an outer circumferential surface of a stick inserted into the insertion space, wherein the color sensor is disposed relative to an upper side of the second heater along the longitudinal direction of the insertion space.

Abstract: Provided is an aerosol generating device including a heater configured to heat a first aerosol generating substrate inserted into a cavity, a vaporizer configured to heat a second aerosol generating substrate, and a controller configured to control power supplied to the heater and the vaporizer based on a first mode for generating a smokeless aerosol and a second mode for generating a smoke aerosol.

Abstract: An aerosol generating device is provided. The aerosol generating device according to the present disclosure comprises: a main body having a power source; a wick disposed at the main body; a heater connected to the power source and configured to heat the wick; a container detachably coupled to the main body and having a storage space in which an aerosol generating material is contained; a medium having a first end connected to the storage space of the container and a second end in contact with the wick, so as to transfer the aerosol generating material to the wick; a first sensor disposed at the main body and connected to the power source and configured to sense a coupling of the container to the main body; and at least one processor configured to determine whether to replace the heater based on a total number of times that the first sensor senses the coupling of the container to the main body.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a housing having an insertion space defined therein, a heater configured to heat a stick inserted into the insertion space, a puff sensor configured to detect a puff, a memory configured to store a temperature profile, and a controller. The controller determines, based on the interval between puffs detected in a first period among a plurality of periods in which the stick is heated, a setting value for a second period, which is a period after the first period among the plurality of periods. The controller adjusts power supplied to the heater in the second period based on the determined setting value. The setting value includes at least one of a target temperature of the heater or a heating time period.

Abstract: An aerosol generating device includes a cavity configured to accommodate an aerosol generating article and a heater configured to heat the aerosol generating article, wherein the heater may include a plasma discharge space, a partition configured to separate the cavity and the plasma discharge space, and a plurality of plasma electrodes disposed on the partition.

Abstract: An aerosol generating system is provided. The aerosol generating system includes an aerosol generating device and a charger, wherein the aerosol generating device includes: a first communication interface; a battery; and a first controller configured to: perform control to charge the battery based on wirelessly receiving a power signal from the charger through the first communication interface; determine a state of the aerosol generating device comprising a locked state or an unlocked state and generate a status signal corresponding to the state of the aerosol generating device; transmit, based on initiation of charging of the battery, the status signal to the charger through the first communication interface; and change the aerosol generating device to the unlocked state based on receiving an unlock signal from the charger through the first communication interface.

Abstract: The present invention provides a smoking product filter and a smoking product comprising same, the filter comprising at least two filter parts, wherein at least one of two or more filter parts includes 2-4 holes.

Abstract: An aerosol generating device is provided. The aerosol generating device according to the present disclosure includes: a container having an outer wall defining a storage space in which an aerosol generating material is stored; a member forming at least a portion of the outer wall of the container and configured to absorb the aerosol generating material; a susceptor disposed adjacent to the member and configured to heat the member; and a coil comprising a pan coil wound a plurality of times from an innermost turn to an outermost turn, the coil being disposed adjacent to the susceptor and configured to inductively heat the susceptor.

Abstract: An aerosol-generating device and an operation method thereof are disclosed. The aerosol-generating device of the disclosure includes a heater configured to heat an aerosol-generating substance, a battery configured to supply power to the heater, a resistance detection sensor configured to output a signal corresponding to the resistance of the heater, a switching element electrically connected to the heater, and a controller configured to control operation of the switching element. The controller performs control such that the switching element is turned on in a first period in which power is supplied to the heater, determines a duty ratio based on the resistance of the heater corresponding to a signal from the resistance detection sensor in the first period, and adjusts switching operation of the switching element based on the determined duty ratio in a second period after the first period in which power is supplied to the heater.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device includes a body including an insertion space to allow a stick to be inserted into the insertion space and a heater disposed in the body and including a heat generating portion configured to heat the insertion space. The heat generating portion includes a heat generating layer surrounding the insertion space and a wiring layer stacked on the heat generating layer and configured to supply a current. The heat generating portion has a thickness varying in the depth direction of the insertion space.

Abstract: A battery cell block includes a plurality of cell units including one or more pouch-type battery cells and a cell cover configured to surround the one or more pouch-type battery cells, the plurality of cell units being stacked in at least one direction, and a fixing member configured to fix a stacked state of the plurality of cell units by surrounding a stack of the plurality of cell units. A battery pack including the battery cell block, and a vehicle including the same, are also provided.

Abstract: An aerosol generating device includes a chamber configured to contain an aerosol generating material, a heater configured to heat the aerosol generating material, wherein the heater includes a substrate including a first end portion, a second end portion opposite to the first end portion, a side portion extending between the first end portion and the second end portion, an outer surface at least partially facing the chamber, and an inner surface opposite to the outer surface and a plurality of metal particles disposed on the inner surface and configured to generate heat by surface plasmon resonance (SPR), and a wick configured to transmit the aerosol generating material to the heater.

Abstract: Devices and methods for use in extraction procedures of analytes (organic and inorganic, including heavy metals) from matrices (e.g., complex matrices) in various fields (e.g., biological, clinical, chemical, environmental, toxicological, and forensic) are provided. The device can comprise a support structure acting as a rigid and stable support for extraction materials that can be inserted thereinto. The device can comprise a plurality of windows in the support structure through which the extraction materials can be exposed. The device can include two portions that can join together (e.g., using an interlocking system).

Abstract: The present invention provides an aerosol-generating article including a first aerosol-generating substrate portion, a second aerosol-generating substrate portion, and a filter portion containing nicotine, and an aerosol-generating device comprising the same, wherein the second aerosol-generating substrate portion includes an absorber impregnated with a liquid aerosol-generating composition.

Abstract: An aerosol-generating device and an operation method thereof are disclosed. The aerosol-generating device of the disclosure includes a heater configured to heat an aerosol-generating substance, a battery configured to supply power to the heater, a temperature sensor disposed adjacent to the battery, and a controller. When charging of the battery is stopped, the controller monitors a value detected by the temperature sensor. When a result of monitoring the value detected by the temperature sensor satisfies a predetermined condition related to the battery, the controller determines the value detected by the temperature sensor to be a temperature of the battery. When the result of monitoring the value detected by the temperature sensor does not satisfy the predetermined condition, the controller determines a result of compensation of the value detected by the temperature sensor to be the temperature of the battery.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device includes a body, a heater disposed in the body and including a carbonaceous material, a power supply configured to supply power to the heater, and a controller configured to control power supplied to the heater. The controller determines the temperature of the heater based on the resistance value of the heater determined in a first section, and controls power supplied to the heater to heat the heater in a second section different from the first section.

Abstract: A heating structure includes a substrate including a first surface and a second surface opposite to the first surface, a surface plasmon resonance (SPR) structure positioned on the first surface, and a reflective layer positioned on the second surface.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device comprising: a pipe part defining an insertion space and comprising a seating part extending from a lower portion and an extension part extending from an upper portion; and a cartridge configured to be seated on the seating part, wherein a lower surface of the extension part is adjacent to an upper surface of the cartridge when the cartridge is seated on the seating part, wherein the lower surface of the extension part comprises an inclined surface such that a gap between the cartridge and the lower surface is gradually increased toward an end of the extension part.

Abstract: An aerosol-generating device and an operation method thereof are disclosed. The aerosol-generating device of the disclosure includes a heater, a power supply circuit for supplying power to the heater, a puff sensor, and a controller. The controller controls the power supply circuit such that the heater is heated in a first period during which a puff is detected. Upon determining that the intensity of the puff detected in the first period is equal to or less than a predetermined reference intensity, the controller controls the power supply circuit such that first power is supplied to the heater in a second period subsequent to the first period. Upon determining that the intensity of the puff detected in the first period exceeds the reference intensity, the controller controls the power supply circuit such that second power, which is higher than the first power, is supplied to the heater in the second period.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device includes a body, a heater disposed in the body and configured to heat an aerosol-generating substance, at least one sensor configured to output sensing data related to fall of the body, a memory configured to store fall history information of the body, a controller configured to acquire sensing data from the at least one sensor and to determine, based on the acquired sensing data, whether the body falls, and a power supply configured to supply power to at least one of the heater, the controller, the at least one sensor, or the memory. Upon determining that the body has fallen, the controller accumulates and stores the fall history information in the memory.