Japan Tobacco Inc.

Japan Tabacco Inc.

Takeshi Akao

Manabu Yamada

Hajime Fujita

Kazuma Mizuguchi

Masayuki Tsuji

Takuma Nakano

Manabu Takeuchi

Hiroshi Tezuka

Takashi Oda

Takao Aradachi

Hiroshi Okuno

Keiji Marubashi

Noritoshi Fujita

Control device for aerosol inhalation device, includes operational amplifier including output terminal configured to generate voltage according to voltage applied to load configured to heat aerosol source and having correlation between temperature and electrical resistance value, control unit including input terminal and configured to perform processing based on voltage applied to the input terminal, and voltage dividing circuit configured to electrically connect the output terminal of the operational amplifier and the input terminal of the control unit. Power supply voltage of the operational amplifier is higher than power supply voltage of the control unit, and equals voltage applied to aerosol generation circuit including the load, and one of inverting input terminal and noninverting input terminal of the operational amplifier is electrically connected to the aerosol generation circuit.

Control device for aerosol inhalation device and aerosol inhalation device

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.

Inhalation component generating device, control circuit, and control method and control program of inhalation component generating device

A power supply unit is for an inhalation device and is controlled so as to flexibly respond to the detection of a temperature anomaly in the controller. A power supply unit is provided to an inhalation device and includes; a battery; a controller that controls the charging operation of the battery as well as the discharging operation f the battery when the source of an inhalation component is vaporized or atomized; and a temperature measurer that measures the temperature of the controller. The controller causes the temperature measurer to measure the temperature of the controller in a first cycle during the charging operation and in a second cycle during the discharging operation, and assesses the temperature state of the power supply unit in accordance with the measurement results.

Power supply unit provided to inhalation device, inhalation device, and method for operating power supply unit

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.

Aerosol generation device provided with control unit for detection of abnormal state of sensor

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.

Battery unit, flavor inhaler, method for controlling battery unit, and program

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 () includes: a storage unit (A) which stores an aerosol source or an aerosol substrate (B) which holds an aerosol source; a load () which atomizes the aerosol source by generating heat with power supplied from a power supply (); a sensor () which outputs values related with the temperature of the load (); and a control unit (). The control unit (), in response to an aerosol generation request, supplies power from the power supply () to the load () 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 () in a single power supply cycle, determines the occurrence of depletion or shortage of the aerosol source in the storage unit (A) or the aerosol substrate (B).

Aerosol generating device and method and program for operating this

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.

External unit for inhalation component generation device, inhalation component generation system, method for controlling external unit for inhalation component generation device, and non-transitory computer readable medium

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.

Flavor generation device with temperature sensor

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. An aerosol generation apparatus comprises a power supply, a storage section that stores an aerosol source or an aerosol base material that retains the aerosol source, a loadthat atomizes the aerosol source using heat generated by electric power from the power supplyand in which an electric resistance value changes depending on a temperature, a first sensorB,D that outputs a value related to the electric resistance value of the load, a second sensor that generates an output upon receipt of a user's request with regard to an aerosol generation, a first circuitthat is connected in series between the power supplyand the load, and includes a first switch Q, a second circuitthat is connected in parallel to the first circuit, includes a second switch Q, and has an electric resistance value higher than an electric resistance value of the first circuit, and a control sectionthat controls the first switch Qand the second switch Q, in which the control sectionis configured to estimate a residual quantity of the aerosol source based on the value output by the first sensorB,D when the second switch Qis in an on state, and to control so that a period during which the output is generated by the second sensor includes a time point at which the second switch Qbecome an on state when the first switch Qis in an on state or a time point at which the second switch Qturns an on state and the first switch Qturns an off state.

Aerosol generation apparatus, and method and non-transitory computer-readable storage medium storing program for operating same

Provided is an aerosol generation device that has few necessary structural elements and highly accurately detects shortage of an aerosol source. An aerosol generation devicethat comprises: a power sourcea storage partA that stores an aerosol source or an aerosol substrateB that holds an aerosol source; a loadthat has a temperature-variable electrical resistance value and, by generating heat due to supply of power from the power sourceatomizes aerosol source supplied from the storage partA or aerosol source held by the aerosol substrateB; a circuitthat electrically connects the power sourceand the loadand a control partthat, on the basis of a first voltage value that is the value of the voltage applied to the entire circuit and a second voltage value that is the 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 loaddetermines whether there is a shortage of aerosol source that can be supplied from the storage partA or aerosol source held by the aerosol substrateB.

Aerosol generation device, and method and program for operating same

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.

Method and program for operating an aerosol generating device by early determination of an amount of an aerosol source

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.

Flavor generation device, method of controlling flavor generation device, and program

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.

Power supply unit of aerosol generation device, control method of power supply unit of aerosol generation device, and program for power supply unit of aerosol generation device

A power supply unit includes: a power supply configured to discharge power to a load for generating an aerosol from an aerosol generation source; a charger configured to convert inputted power into charging power; a temperature measuring unit configured to measure a temperature of the power supply; and a charging controller configured to perform a first control for stopping the charger from supplying the charging power to the power supply and a second control for causing the charger to supply the charging power to the power supply, the charging controller setting a duty ratio to a value greater than 0 and smaller than 100 in a case where the temperature of the power supply is within a predetermined range, and the duty ratio being obtained by dividing a time during which the charging controller performs the first control by a unit time.

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Tokyo, Japan

Takeshi Akao