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公开(公告)号：US12070079B2
公开(公告)日：2024-08-27
申请号：US17564272
申请日：2021-12-29
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi
Abstract: An inhalation device controller includes a power supply unit configured to supply power to an atomizer including a heater configured to heat an aerosol source, a detection circuit configured to detect a resistance value of the heater, a processor configured to generate a control signal in accordance with a smoothed signal generated by smoothing information obtained using the detection circuit, and a holding portion configured to hold the atomizer in a detachable state. The holding portion includes a first electrical contact contacting a third electrical contact of the atomizer, and a second electrical contact contacting a fourth electrical contact of the atomizer. Information obtained using the detection circuit is affected by stress applied to the first to fourth electrical contacts when attaching the atomizer to the holding portion.
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公开(公告)号：US12029254B2
公开(公告)日：2024-07-09
申请号：US17203791
申请日：2021-03-17
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi , Takuma Nakano , Hajime Fujita
CPC classification number: A24F40/57 , A24F40/53 , H02J7/0063
Abstract: This flavor-generating device includes: a circuit in which a power source, a first load for atomizing an aerosol source or heating a flavor source, and a second load different from the first load are electrically connected; a control unit configured so as to acquire a request for supply of power to each of the first load and the second load, and so as to control the circuit so that power is supplied from the power supply to each of the first load and the second load on the basis of the request; and a reducing means configured so that, when the control unit simultaneously acquires the request to the first load and the request to the second load, or when the control unit controls the circuit so that the supply of power to the first load and the supply of power to the second load are performed simultaneously, the electric power discharged from the power supply or the electric power amount is reduced to less than a maximum electric power for when the power supply discharges to the first load and the second load simultaneously or a maximum electric power amount.
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公开(公告)号：US11812789B2
公开(公告)日：2023-11-14
申请号：US17489800
申请日：2021-09-30
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi
Abstract: A power supply unit for an aerosol generation device through which flavored aerosol is inhaled includes: a power supply configured to discharge electricity to an atomizer configured to atomize an aerosol source and a heater configured to heat a flavor source that adds a flavor component to aerosol generated from the aerosol source; and a processing device configured to acquire a flow rate of inhalation of a user. When the inhalation of the user is detected, the processing device discharges electricity from the power supply to the atomizer so as to generate aerosol. The processing device controls power to be discharged to the heater based on the flow rate such that a concentration of a flavor component contained in a fluid inhaled by the user becomes a target value.
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公开(公告)号：US11206871B2
公开(公告)日：2021-12-28
申请号：US17076826
申请日：2020-10-22
Applicant: JAPAN TOBACCO INC.
Inventor： Keiji Marubashi
Abstract: A power supply unit for an aerosol inhaler includes: a first element having a first electric resistance value connected in series to a load; a second series circuit including a second element having a second electric resistance value and a third element connected in series to the second element and having a third electric resistance value, and connected in parallel with a first series circuit including the load and the first element; an operational amplifier in which one of a non-inverting input terminal and an inverting input terminal is connected to the first series circuit, and the other of the non-inverting input terminal and the inverting input terminal is connected to the second series circuit; and a heating circuit capable of supplying the load with a current larger than a current flowing through the load when a current flows through the first series circuit and the second series circuit.
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公开(公告)号：US11160313B2
公开(公告)日：2021-11-02
申请号：US17218175
申请日：2021-03-31
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi , Hajime Fujita
Abstract: An aerosol inhaler includes: a first branch circuit including a load, a first resistor, and a first node; a second branch circuit including a second resistor, a third resistor, and a second node; an operational amplifier of which a non-inverting input terminal is connected to one of the first node and the second node, and of which an inverting input terminal is connected to the other of the first node and the second node; and a control device having an upper limit temperature and a lower limit temperature. A differential input of the operational amplifier is larger than potential of a negative power supply terminal of the operational amplifier or a minimum value acquirable by the operational amplifier in a first temperature range, and is equal to the potential of the negative power supply terminal of the operational amplifier or the minimum value in a second temperature range.
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Patent Agency Ranking
公开(公告)号：US12004571B2
公开(公告)日：2024-06-11
申请号：US17189673
申请日：2021-03-02
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi
IPC: A24F40/53 , A24F40/10 , A24F40/20 , A24F40/46 , A24F40/57 , A61M11/04 , A61M15/06 , G05B1/01 , H05B3/00 , A24F40/30 , H02J7/00
CPC classification number: A24F40/53 , A24F40/46 , A24F40/57 , A61M11/042 , A61M15/06 , G05B1/01 , H05B3/0014 , A24F40/10 , A24F40/20 , A24F40/30 , A61M2205/52 , A61M2205/8206 , H02J7/0063
Abstract: An inhalation device controller includes a holding portion configured to hold an atomizer including a heater configured to heat an aerosol source, a power supply unit configured to supply power to the heater of the atomizer attached to the holding portion, an amplifier to which a voltage according to a voltage of a node on a current path configured to supply the power to the heater is input, and a processor configured to acquire information from the amplifier and execute control according to the information. A first range that a value of the information takes in a holding state in which the holding portion holds the atomizer and a second range that the value of the information takes in a non-holding state in which the holding portion does not hold the atomizer do not include ranges overlapping each other.
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公开(公告)号：US11963555B2
公开(公告)日：2024-04-23
申请号：US17189285
申请日：2021-03-02
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi
Abstract: The present invention provides a controller for an inhalation device, comprising: a power supplier configured to supply power to a heater used to heat and atomize an aerosol source; a detection circuit configured to detect a resistance value of the heater; and a processor configured to execute heating processing of heating the aerosol source by controlling the power supplier in accordance with reception of an atomization request of the aerosol source, wherein the processor controls the heating processing based on the resistance value of the heater detected using the detection circuit, a reference temperature of the heater, and a reference resistance value of the heater, and updates the reference resistance value by the resistance value of the heater detected using the detection circuit after an end of the heating processing and before the reception of the next atomization request.
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公开(公告)号：US11612188B2
公开(公告)日：2023-03-28
申请号：US17489807
申请日：2021-09-30
Applicant: Japan Tobacco Inc.
Inventor： Keiji Marubashi
Abstract: A power supply unit for an aerosol generation device, includes: a power supply configured to discharge electricity to a first load that heats an aerosol source; a resistance element configured to be connected in series to the first load and configured to detect an electric resistance value of the first load; and a processing device. The processing device performs first discharging control of discharging electricity from the power supply to the first load to generate aerosol, and second discharging control of discharging electricity from the power supply to a series circuit formed of the first load and the resistance element to detect the electric resistance value of the first load; and in a specific period, other than a period when the first discharging control and the second discharging control are performed, the processing device performs third discharging control of discharging electricity from the power supply to the series circuit.
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公开(公告)号：US11559085B2
公开(公告)日：2023-01-24
申请号：US17489811
申请日：2021-09-30
Applicant: Japan Tobacco Inc.
Inventor： Ikuo Fujinaga , Takuma Nakano , Hajime Fujita , Keiji Marubashi
Abstract: A power supply unit for an aerosol inhaler, which causes an aerosol generated from an aerosol source to pass through a flavor source to add a flavor component of the flavor source to the aerosol, includes: a power supply configured to be dischargeable to a first load configured to heat the aerosol source and dischargeable to a second load configured to heat the flavor source; and a processing device. The processing device determines whether the second load can heat the flavor source. When it is determined that the second load can heat the flavor source, the processing device starts or continues discharging from the power supply to the second load as second discharging before starting discharging from the power supply to the first load as first discharging.
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公开(公告)号：US11369149B2
公开(公告)日：2022-06-28
申请号：US17489783
申请日：2021-09-30
Applicant: Japan Tobacco Inc.
Inventor： Ikuo Fujinaga , Takuma Nakano , Hajime Fujita , Keiji Marubashi
Abstract: A power supply unit for an aerosol inhaler, which causes an aerosol generated from an aerosol source to pass through a flavor source, includes: a power supply dischargeable to a first load configured to heat the aerosol source and dischargeable to a second load configured to heat the flavor source; a notification unit; a processing device; a circuit board; and a conductive portion configured to electrically connect the second load and the circuit board. The processing device is configured to detect adhesion of a liquid to the second load or entry of the liquid into the conductive portion. When the adhesion or the entry is detected, the processing device executes at least one of a notification action that causes the notification unit to execute a notification and a first fail-safe action including prevention of discharging from the power supply to the second load.
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