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公开(公告)号：US12108801B2
公开(公告)日：2024-10-08
申请号：US16941603
申请日：2020-07-29
Applicant: JAPAN TOBACCO INC.
Inventor： Manabu Yamada , Manabu Takeuchi , Takeshi Akao , Hajime Fujita
CPC classification number: A24F40/50 , A24F40/51 , A24F40/60 , A24F40/90 , H02J7/0042 , H02J7/007 , A24F40/10
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.
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公开(公告)号：US12022878B2
公开(公告)日：2024-07-02
申请号：US17172073
申请日：2021-02-10
Applicant: JAPAN TOBACCO INC.
Inventor： Takeshi Akao , Takashi Oda , Takuma Nakano , Hajime Fujita
CPC classification number: A24F40/51 , A24F40/40 , A24F40/53 , A24F40/90 , H01M10/44 , H02J7/0047 , H02J7/04 , H01M2220/30 , H02J2207/20
Abstract: A favor generation system includes: a power source unit (110) that includes a power source (10) that is electrically connected to or connectable to a load (121R) for atomizing an aerosol source or heating a flavor source, and a first controller (50); and a charging unit (200) that includes a second controller (250) and that is capable of charging the power source. The first controller and the second controller are configured to be capable of controlling a charging speed of the power source. In the control of the charging speed, a first object to be operated by the first controller is different from a second object to be operated by the second controller.
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公开(公告)号：US11998059B2
公开(公告)日：2024-06-04
申请号：US17687698
申请日：2022-03-07
Applicant: JAPAN TOBACCO INC.
Inventor： Manabu Yamada , Takeshi Akao , Kazuma Mizuguchi , Masayuki Tsuji , Hajime Fujita
CPC classification number: A24F40/53 , A24F40/42 , A24F40/51 , A24F40/70 , A24F40/10 , A24F40/20 , A61M15/06
Abstract: Provided is an aerosol generation device that suppresses the effect that errors in the production of structural elements have on the accuracy with which shortage of an aerosol source is detected. An aerosol generation device that comprises: 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 is used for the load to atomize the aerosol source; a second circuit that is 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 that is 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.
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公开(公告)号：US11916421B2
公开(公告)日：2024-02-27
申请号：US17149037
申请日：2021-01-14
Applicant: JAPAN TOBACCO INC.
Inventor： Takeshi Akao
IPC: H02J7/00 , A24F40/40 , A24F40/50 , A24F40/51 , A24F40/53 , A24F40/60 , A24F40/90 , A24F40/95 , A61M15/00 , G05F3/18 , H01M10/42 , H01M10/48 , H02J7/04 , H05K1/14 , H05K1/18 , A24F40/30 , A61M15/06
CPC classification number: H02J7/0068 , A24F40/40 , A24F40/50 , A24F40/51 , A24F40/53 , A24F40/60 , A24F40/90 , A24F40/95 , A61M15/009 , G05F3/18 , H01M10/425 , H01M10/48 , H02J7/0042 , H02J7/0045 , H02J7/005 , H02J7/0063 , H02J7/007 , H02J7/007194 , H02J7/04 , H05K1/14 , H05K1/181 , A24F40/30 , A61M15/0003 , A61M15/06 , A61M2205/3653 , A61M2205/50 , A61M2205/8206 , A61M2205/8237 , A61M2205/8243 , H05K2201/10015 , H05K2201/10022 , H05K2201/10174
Abstract: A power supply unit for an aerosol inhaler includes: a power supply able to discharge power to a load for generating an aerosol from an aerosol source; a first control device and a second control device which are configured to control at least one of charging and discharging of the power supply; a circuit board on which the first control device and the second control device are provided; a first capacitor which is provided on an input side of the first control device so as to be connected in parallel with the first control device; and a second capacitor which is provided on an input side of the second control device so as to be connected in parallel with the second control device, wherein a capacity of the first capacitor is different from a capacity of the second capacitor.
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公开(公告)号：US11337462B2
公开(公告)日：2022-05-24
申请号：US17128231
申请日：2020-12-21
Applicant: JAPAN TOBACCO INC.
Inventor： Manabu Yamada , Takeshi Akao , Kazuma Mizuguchi , Masayuki Tsuji , Hajime Fujita
Abstract: Provided is an aerosol generation device with which it is possible to inexpensively observe a heater cooling process with high accuracy, and also possible to inexpensively detect a shortage or depletion of an aerosol source with high accuracy. An aerosol generation device includes an aerosol storage source; a load that atomizes the aerosol source by generating heat by power supplied from a power source, and has an electrical resistance value that changes depending on the temperature; a sensor that detects the electrical resistance value of the load; and a control unit that is configured so as to monitor the cooling process of the load after the temperature of the load has risen to or exceeded a temperature at which the aerosol source can be atomized.
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公开(公告)号：US11166493B2
公开(公告)日：2021-11-09
申请号：US16885393
申请日：2020-05-28
Applicant: JAPAN TOBACCO INC.
Inventor： Kazuma Mizuguchi , Takeshi Akao
Abstract: Control device for aerosol inhalation device includes operational amplifier for performing output according to voltage applied to load for heating aerosol source and having correlation between temperature and electrical resistance value, control unit for performing processing based on the voltage according to the output, diode having anode electrically connected to one of inverting input terminal and noninverting input terminal, and circuit for electrically connecting power supply and the load. The circuit is formed by first region, and second region in which maximum voltage is lower than that in the first region, or applied voltage is lower than that to the first region. Of the inverting input terminal and the noninverting input terminal, terminal to which the anode of the diode is electrically connected is electrically connected to the first region.
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公开(公告)号：US12063974B2
公开(公告)日：2024-08-20
申请号：US17103974
申请日：2020-11-25
Applicant: JAPAN TOBACCO INC.
Inventor： Takeshi Akao , Hajime Fujita
IPC: A24F40/57 , A24F40/40 , A24F40/51 , A24F40/53 , H01M10/0525 , H01M10/42 , H01M10/48 , A24F40/10 , A24F40/20 , A24F40/30
CPC classification number: A24F40/51 , A24F40/40 , A24F40/53 , A24F40/57 , H01M10/0525 , H01M10/4257 , H01M10/486 , A24F40/10 , A24F40/20 , A24F40/30 , H01M2010/4271 , H01M2220/30
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.
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公开(公告)号：US12042600B2
公开(公告)日：2024-07-23
申请号：US16951321
申请日：2020-11-18
Applicant: JAPAN TOBACCO INC.
Inventor： Takeshi Akao
IPC: A61M15/06 , A24B15/167 , A24F40/60
CPC classification number: A61M15/06 , A24F40/60 , A24B15/167 , A61M2205/3334 , A61M2205/3368 , A61M2205/3653 , A61M2205/50 , A61M2205/8206
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.
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公开(公告)号：US11800899B2
公开(公告)日：2023-10-31
申请号：US16850007
申请日：2020-04-16
Applicant: JAPAN TOBACCO INC.
Inventor： Manabu Yamada , Takeshi Akao , Kazuma Mizuguchi
Abstract: An aerosol generating apparatus comprises: a power source; a load configured to have an electric resistance value that varies according to a temperature and atomize an aerosol source or heat a flavor source when supplied with power from the power source; a feed circuit that is electrically connected to the power source and the load and includes a voltage conversion unit capable of converting an output voltage of the power source and outputting the converted output voltage to the load; and a control unit configured to acquire a measurement value corresponding to a current value of a current flowing through the load and control power supply to the load, wherein, in accordance with the measurement value, the control unit controls the feed circuit such that the measurement value becomes smaller than the target value or values included in the target range.
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10.发明公开
公开(公告)号：US20230187956A1
公开(公告)日：2023-06-15
申请号：US18107821
申请日：2023-02-09
Applicant: JAPAN TOBACCO INC.
Inventor： Takeshi Akao
IPC: H02J7/00 , A24F40/90 , A24F40/51 , A24F40/60 , A61M15/00 , H05K1/18 , A24F40/53 , A24F40/50 , H05K1/14 , A24F40/40 , G05F3/18 , H01M10/42 , A24F40/95 , H02J7/04 , H01M10/48
CPC classification number: H02J7/0068 , A24F40/90 , A24F40/51 , A24F40/60 , A61M15/009 , H05K1/181 , A24F40/53 , H02J7/005 , H02J7/0063 , H02J7/007 , A24F40/50 , H05K1/14 , H02J7/0045 , A24F40/40 , G05F3/18 , H01M10/425 , A24F40/95 , H02J7/007194 , H02J7/0042 , H02J7/04 , H01M10/48 , A61M2205/50 , A61M2205/8237 , H05K2201/10015 , H05K2201/10174 , A61M15/0003 , A61M15/06
Abstract: 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.
