Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating material to generate an aerosol; a battery configured to supply power to the heater; a controller configured to determine an operating state of the aerosol generating device divided into a heating state and a non-heating state; a first circuit unit configured to control operation of the heater; and a second circuit unit configured to control charging and discharging of the battery, wherein the controller communicates with the first circuit unit in the heating state, communicates with the second circuit unit in the non-heating state, and, on the basis of a result of the communication, determines whether or not an abnormality has occurred according to the operating state of the aerosol generating device, thus allowing a safety accident of the aerosol generating device to be prevented in advance.

Abstract: An aerosol generating device includes a heater configured to heat a cigarette to generate an aerosol, an inductance channel, a capacitance channel, and a controller configured to generate a control signal using information received from the inductance channel and the capacitance channel A cigarette insertion space that is configured to receive the cigarette is provided within the aerosol generating device, and the controller is configured to: measure an amount of change in capacitance in the capacitance channel based on an amount of change in frequency of current flowing through the inductance channel exceeding a first reference value, due to an object adjacent to the cigarette insertion space, and control a start of a supply of power to the heater based on the amount of change in the capacitance that is measured exceeding a second reference value.

Abstract: An image processing apparatus and method of extracting a second RGB feature point and a second ToF feature point such that a correlation between the first RGB feature point and the first ToF feature point is equal to or greater than a predetermined value; calculating an error value between the second RGB feature point and the second ToF feature point; updating pre-stored calibration data when the error value is greater than a threshold value, and calibrating the RGB image and the ToF image by using the updated calibration data; and synthesizing the calibrated RGB and ToF images.

Abstract: The present disclosure provides an aerosol-generating article including an aerosol generator including: an aerosol generator comprising an aerosol-generating material configure to vaporize into an aerosol; a tobacco filling part comprising an inner wrapper on which a plurality of folds are formed, and granules of a tobacco material attached to the plurality of folds such that a tobacco component is added to the aerosol passing through the tobacco filling part; and a thermally conductive wrapper wrapped around at least part of outer surfaces of the aerosol generator and the tobacco filling part, and configured to transmit heat to the aerosol-generating material and the tobacco material.

Abstract: An aerosol generating apparatus according to an embodiment may include a housing; a heater configured to heat an aerosol generating material inserted into the housing; an optical sensor configured to sense an optical signal reflected from a user's hand; and a processor configured to: obtain fingerprint information of a user from the optical signal sensed by the optical sensor, determine whether the user is authorized to use the aerosol generating apparatus based on the obtained fingerprint information, obtain heart rate information from the sensed optical signal based on the user being determined to be an authorized user, and control power supplied to the heater based on the heart rate information.

Abstract: An aerosol generating device according to one embodiment may include: 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 aerosol generating device according to an aspect may include a display; and a processor configured to monitor states of a plurality of modules included in the aerosol generating device, determine an overall state of the aerosol generating device based on monitoring results, and control the display to output an visual information representing the overall state.

Abstract: According to an embodiment of the present disclosure, an aerosol generating apparatus having a feedback control function includes a heater configured to heat an aerosol generating substrate to generate an aerosol; a controller configured to generate a control signal for controlling power supplied to the heater; a switch configured to perform a switching operation based on the control signal to supply the power to the heater; and a comparison signal calculator configured to receive a signal by the switching operation to calculate a comparison target signal, wherein the controller is further configured to generate a cut-off signal for stopping the switching operation of the switch based on a comparison value calculated by comparing the comparison target signal with a reference signal exceeding a preset range.

Abstract: An aerosol generating device may include a housing forming an exterior of the aerosol generating device; a heater configured to heat an aerosol generating article inserted through a first surface of the housing; a battery electrically connected to the heater; a weather information sensor exposed through a second surface of the housing and configured to measure weather information surrounding the housing; and a controller configured to adjust power supplied from the battery to the heater, wherein the controller is further configured to control an amount of the power supplied from the battery to the heater such that the heater is heated according to at least one from among a target temperature of a pre-heating section and a target temperature of a smoking section that is determined.

Abstract: An aerosol generating device includes a case, a cover having a metallic body and configured to be coupled to the case, a heater configured to heat an aerosol generating material, a magnetic force generator arranged in the case and configured to generate magnetic force acting on the metallic body according to a current applied thereto, and a controller configured to adjust coupling force between the cover and the case arising, which is generated by the magnetic force, by controlling the current applied to the magnetic force generator based on an operating state of the heater.

Abstract: A method for fabricating a semiconductor device includes: forming a dielectric layer over a substrate; forming a hole-shaped partial via in the dielectric layer; forming a line-shaped trench that partially overlaps with the partial via and has a greater line width than a line width of the partial via in the dielectric layer; forming a hole-shaped via that has a smaller line width than the line width of the partial via and penetrates the dielectric layer on a lower surface of the partial via; and gap-filling the via, the partial via and the trench with a conductive material, wherein a lower surface of the trench is positioned at a higher level than the lower surface of the partial via.

Abstract: An around-view image processing method comprises: generating a first around-view image signal obtained by image synthesis using image information acquired from a plurality of cameras; generating a second around-view image signal obtained by image correction using image information acquired from the plurality of cameras over a predetermined period of time; and outputting the second around-view image signal or outputting the first around-view and second around-view image signals. When the first around-view and second around-view image signals are output, the around-view image processing method may further comprise selecting one image signal from the first around-view and second around-view image signals, and outputting the image signal selected from the first around-view and second around-view image signals.

Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating material; a battery configured to supply power to the heater; a communication interface configured to communicate with an external device; and a processor configured to receive a result of user authorization from the external device through the communication interface and operate based on the result of the user authorization.

Abstract: An aerosol generating device according to one embodiment may include: 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: 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 error analysis device for an aerosol generating device includes: a communication interface configured to receive log data from the aerosol generating device; and a processor configured to determine at least one error that occurred in the aerosol generating device based on the log data that is received. The log data according to an embodiment may include logs corresponding to events that occurred in the aerosol generating device.

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 housing having an opening configured to receive an aerosol-generating article; an accommodating space configured to accommodate the aerosol-generating article inserted through the opening; a heat-dissipating structure comprising an inner wall forming the accommodating space, and an outer wall surrounding the inner wall such that an inner space is formed between the inner wall and the outer wall; and a coil arranged between the outer wall and the housing, and configured to generate an induced magnetic field, wherein the inner wall is configured to generate heat by the induced magnetic field generated from the coil.

Abstract: An aerosol generating device includes: an opening configured to receive a cigarette; an accommodation space configured to accommodate the cigarette inserted through the opening; a coil surrounding the accommodation space and configured to generate an induced magnetic field; a susceptor configured to generate heat due to the induced magnetic field generated from the coil; a heat dissipating structure surrounding the coil and having a double wall structure including a vacuum inner space; and a shielding portion configured to block the induced magnetic field generated from the coil and disposed between the coil and the heat dissipating structure.

Abstract: Provided is a method of controlling a temperature of a heater of an aerosol generating device based on temperature and humidity. The method includes detecting an external temperature and an external humidity of the aerosol generating device; determining a temperature profile of the heater; outputting a plurality of adjustment values; determining an adjustment value from among the plurality of adjustment values based on a user input; fine-tuning the temperature profile based on the determined adjustment value; and controlling power supplied to the heater based on the fine-tuned temperature profile, wherein at least one of the temperature profile and the plurality of adjustment values is determined based on at least of the external temperature and the external humidity.