Abstract: An aerosol generation apparatus comprises a power supply, a load in which an electric resistance value changes depending on a temperature, a first sensor, a second sensor, a first circuit including a first switch, a second circuit including a second switch, and has an electric resistance value higher than an electric resistance value of the first circuit, and a circuitry configured to estimate a residual quantity of the aerosol source based on the value output by the first sensor when the second switch is in an on state, wherein a period during which the output is generated by the second sensor includes a time point at which the second switch become an on state when the first switch is in an on state or a time point at which the second switch Q2 turns an on state and the first switch Q1 turns an off state.

Abstract: A battery unit for a flavor inhaler includes a chargeable and dischargeable power supply, a connector capable of electrically connecting to an external charger, and a controller configured to perform control regarding at least the power supply, wherein the controller detects an abnormality based on a charging time period required for a value related to a remaining amount of the power supply to reach a second predetermined value from a first predetermined value during a charging process of the power supply.

Abstract: A power supply for a flavor generation device. The power supply includes a first electrical terminal electrically connectable to an atomizer in an attachable/detachable manner, the atomizer including an aerosol source and an electrical load for atomizing the aerosol source; a second electrical terminal that is independent from the first electrical terminal and is configured to electrically connect to a charger; a battery; a pressure sensor; a control device configured to control power fed from the battery to the electrical load upon receipt of a signal from the pressure sensor; and a case forming an outer surface of the power supply. The pressure sensor, the battery, and the first electrical terminal are arranged in this order along a longitudinal direction of the power supply.

Abstract: An aerosol generation device comprises: a power source; a storage part stores an aerosol source or an aerosol substrate that holds an aerosol source; a load that has a temperature-variable electrical resistance value and, by generating heat due to supply of power from the power source, atomizes aerosol source supplied from the storage part or aerosol source held by the aerosol substrate; a circuit electrically connects the power source and the load; and a control part that, on the basis of a first value of the voltage applied to the entire circuit and a second value of the voltage applied to a part of the circuit at which the applied voltage changes as a result of changes in the temperature of the load, determines whether there is a shortage of aerosol source that can be supplied from the storage part or aerosol source held by the aerosol substrate.

Abstract: An aerosol generating device which can infer or detect the state of at least one of a storage and a receptacle for an aerosol source, the aerosol generation device includes: a load which atomizes the aerosol source by generating heat with power supplied from a power source; a sensor which outputs values relating to the temperature of the load; and a controller. The controller infers or detects the state of at least one of the storage and the receptacle based on at least an output value of the sensor in a first power supply cycle, an output value of the sensor in a second power supply cycle, or a value relating to behavior of the temperature of the load in the second power supply cycle.

Abstract: In order to provide an aerosol generating device which can determine, at an earlier stage, the occurrence of depletion or shortage pf the aerosol source, this aerosol generating device (100) includes: a storage unit (116A) which stores an aerosol source or an aerosol substrate (116B) which holds an aerosol source; a load (132) which atomizes the aerosol source by generating heat with power supplied from a power supply (110); a sensor (112) which outputs values related with the temperature of the load (132); and a control unit (106). The control unit (06), in response to an aerosol generation request, supplies power from the power supply (110) to the load (132) to carry out a power supply cycle, and, on the basis of an index based on the deviation of the output values of the sensor (112) in a single power supply cycle, determines the occurrence of depletion or shortage of the aerosol source in the storage unit (116A) or the aerosol substrate (116B).

Abstract: A flavor generation device comprising: a case; a first electronic component disposed in the case; a temperature sensor disposed in or in the vicinity of the first electronic component; a second electronic component disposed in the case; and a control device. The second electronic component is disposed away from the temperature sensor at a distance greater than a distance between the temperature sensor and the first electronic component. The control device is configured to detect or estimate the temperature of the second electronic component on the basis of an output value from the temperature sensor.

Abstract: In order to detect the occurrence of malfunction in a sensor, this power supply unit is provided with a microphone condenser which detects an aerosol generation request, a PTC thermistor which outputs a value which changes depending on electric change in the microphone condenser, and a control portion which, on the basis of the value outputted by the PTC thermistor, detects whether the microphone condenser is in a normal state or an abnormal state.

Abstract: An external unit for an inhalation component generation device includes a connection part that is electrically connectable to a power supply of the inhalation component generation device, a sensor that is capable of outputting an output value related to an electrical resistance value of a resistor provided in the power supply, and a first control part that is configured to determine, based on the output value, whether to change a predetermined control with respect to the power supply connected to the connection part or whether to perform the predetermined control.

Abstract: A power supply unit for an aerosol inhaler includes: a power supply that is able to discharge power to a load for generating an aerosol from an aerosol generation source; and a control unit that is configured to control at least one of charging and discharging of the power supply such that the power supply does not become one or both of a fully charged state and a discharging termination state.

Abstract: An inhalation component generating device includes: a power supply; a load that evaporates or atomizes an inhalation component source by power from the power supply; and a control circuit that performs control based on an output of a temperature sensor. The control circuit performs: a process (a) of calculating power supply temperature on the basis of the output of the temperature sensor; and a process (b1) of determining whether the power supply temperature is in a first temperature range, and performing deterioration diagnosis on the power supply only in a case where the power supply temperature is in the range.

Abstract: A flavor generation device comprising: a power supply; a flow path for passing an air flow generated as a result of inhalation by a user, and a temperature sensor which outputs a detected value or estimated value of the temperature of the power supply. The temperature sensor is located in a position other than a position in which the air flow provides the highest cooling effect.

Abstract: A power supply unit of an aerosol generation device that supplies electric power to a load that generates aerosol including a sensor that is in an operating state among a normal state and a plurality of abnormal states, and detects an aerosol generation request while the power supply unit is in an active state, a control unit that detects a state of the sensor, and generates an error signal capable of distinguishing between a first and second abnormal states when the sensor is in at least one of the first and second abnormal states included in the plurality of abnormal states, and a notification unit that makes a notification in a different mode for each type of the error signal, wherein the control unit causes the power supply unit to undergo a transition from the active state to a sleep state after generating the error signal, and the plurality of abnormal states include a state in which supply of electric power to the load is unnecessary for detection by the control unit.

Abstract: A power supply unit for an aerosol inhaler includes: a power supply able to discharge a power to a load for generating an aerosol from an aerosol source; a connector able to be electrically connected to an external power supply; and a control device. The power supply unit further includes: a conductor which electrically connects the connector and the control device; a capacitor provided between the connector and the control device so as to be connected in parallel with the control device; a first circuit board on which the connector is provided; a second circuit board which is apart from the first circuit board and on which the capacitor and the control device are provided; and a conductive member which electrically connects the first circuit board and the second circuit board.

Abstract: There is provided an aerosol generation apparatus capable of determining whether an aerosol source is insufficient in quantity while suppressing variation in a generation quantity of aerosol in a period during which a user inhales aerosol.

Abstract: Provided is an aerosol generation device that has few necessary structural elements and highly accurately detects shortage of an aerosol source.

Abstract: An aerosol generating device which can infer or detect the state of at least one of a storage and a receptacle for an aerosol source, the aerosol generation device includes: a load which atomizes the aerosol source by generating heat with power supplied from a power source; a sensor which outputs values relating to the temperature of the load; and a controller. The controller infers or detects the state of at least one of the storage and the receptacle based on at least an output value of the sensor in a first power supply cycle, an output value of the sensor in a second power supply cycle, or a value relating to behavior of the temperature of the load in the second power supply cycle.

Abstract: A flavor generation device comprising: a case; a first electronic component disposed in the case; a temperature sensor disposed in or in the vicinity of the first electronic component; a second electronic component disposed in the case; and a control device. The second electronic component is disposed away from the temperature sensor at a distance greater than a distance between the temperature sensor and the first electronic component. The control device is configured to detect or estimate the temperature of the second electronic component on the basis of an output value from the temperature sensor.

Abstract: In order to detect the occurrence of malfunction in a sensor, this power supply unit is provided with a microphone condenser which detects an aerosol generation request, a PTC thermistor which outputs a value which changes depending on electric change in the microphone condenser, and a control portion which, on the basis of the value outputted by the PTC thermistor, detects whether the microphone condenser is in a normal state or an abnormal state.

Abstract: An aerosol generation device suppresses the effect of errors in structural elements on the accuracy with which shortage of an aerosol source is detected. The aerosol generation device includes a power source; a load that has a temperature-variable electrical resistance value and atomizes an aerosol source by generating heat due to supply of power from the power source; a first circuit that for the load to atomize the aerosol source; a second circuit connected in parallel to the first circuit, has a higher electrical resistance value than the first circuit, and is used to detect voltage that changes as a result of changes in the temperature of the load; an acquisition part that acquires the value of voltage applied to the second circuit and the load; and sensors that output the value of the voltage that changes as a result of changes in the temperature of the load.