# US 2021/0242702 A1 · Power supply unit for aerosol inhaler > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242702 A1 - Document ID: US20210242702A1 - Status: Published application - Kind: A1 - Application number: 17/233,700 - Filed: 2021-04-19 - Published: 2021-08-05 - Earliest claimed: 2019-01-17 - Assignees: Japan Tobacco Inc. - Applicants: Japan Tobacco Inc. - Inventors: Takeshi Akao - Web page: https://patentgrep.com/patent/US20210242702A1 ## CPC - H02J 7/865: {Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence)} - A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts - A24F 40/50: Control or monitoring - A24F 40/51: Arrangement of sensors - A24F 40/53: Monitoring, e.g. fault detection - A24F 40/57: Temperature control - A24F 40/60: Devices with integrated user interfaces - A24F 40/90: Arrangements or methods specially adapted for charging batteries thereof - A24F 40/95: structurally associated with cases - A61M 11/042: {electrical} - A61M 15/009: {using medicine packages with incorporated spraying means, e.g. aerosol cans (pocket atomiser of the injector type A61M11/08)} - G05F 3/18: using Zener diodes - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 10/4264: {with capacitors} - H01M 10/44: Methods for charging or discharging (circuits for charging H02J7/00) - H01M 10/48: Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) - H02J 7/04: Regulation of charging current or voltage - H02J 7/345: {using capacitors as storage or buffering devices} - H02J 7/685: {using connection detecting circuits (H02J7/68 takes precedence)} - H02J 7/70: characterised by the mechanical construction - H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)} - H02J 7/751: {concerning the insertion or the connection of the batteries} - H02J 7/84: Control of state of health [SOH] - H02J 7/855: {with circuits adapted for supplying loads from the battery} - H02J 7/90: Regulation of charging or discharging current or voltage - H02J 7/971: {the charge cycle being controlled or terminated in response to non-electric parameters} - H02J 7/977: {of the battery} - H05K 1/14: Structural association of two or more printed circuits (providing electric connection to or between printed circuits H05K1/11, H01R12/00) - H05K 1/181: associated with surface mounted components - A24F 40/10: Devices using liquid inhalable precursors - A24F 40/30: Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges - A61M 15/0003: {with means for dispensing more than one drug} - A61M 15/0021: {Mouthpieces therefor} - A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes - A61M 2016/0018: {electrical} - A61M 2016/0027: {pressure meter} - A61M 2205/3368: Temperature - A61M 2205/3375: Acoustical, e.g. ultrasonic, measuring means - A61M 2205/3653: by Joule effect, i.e. electric resistance - A61M 2205/50: with microprocessors or computers - A61M 2205/52: with memories providing a history of measured variating parameters of apparatus or patient - A61M 2205/581: by audible feedback - A61M 2205/582: by tactile feedback - A61M 2205/583: by visual feedback - A61M 2205/8206: battery-operated - A61M 2205/8237: Charging means - A61M 2205/8243: by induction - H01M 2220/30: Batteries in portable systems, e.g. mobile phone, laptop - H02J 2207/10: Control circuit supply, e.g. means for supplying power to the control circuit - H02J 2207/20: Charging or discharging characterised by the power electronics converter - H02J 2207/50: Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors - H02M 3/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02M 3/156: with automatic control of output voltage or current, e.g. switching regulators - H02M 7/02: Conversion of AC power input into DC power output without possibility of reversal - H05K 2201/10015: Non-printed capacitor - H05K 2201/10022: Non-printed resistor - H05K 2201/10174: Diode - Y02E 60/10: Energy storage using batteries - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - G05F: SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## 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 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. ## Claims ### Claim at position 1 1-12. (canceled) ### Claim 13 A power supply unit for an aerosol inhaler, the power supply unit comprising: 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 configured to control at least one of charging and discharging of the power supply or configured to be able to convert a power which is input from the connector into a charging power for the power supply, wherein the power supply unit further includes: a conductor which electrically connects the connector and the control device; a capacitor which is 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. ### Claim 14 A power supply unit for an aerosol inhaler, the power supply unit comprising: 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 configured to control at least one of charging and discharging of the power supply or configured to be able to convert a power which is input from the connector into a charging power for the power supply, wherein the power supply unit further includes: a conductor which electrically connects the connector and the control device; and a capacitor which is connected in parallel with the control device and which is connected to the conductor so as to be closer to the control device than to the connector. ### Claim 15 (depends on 14) The power supply unit according to claim 14, wherein the power supply unit further includes: 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 is provided; and a conductive member that electrically connects the first circuit board and the second circuit board. ### Claim 16 (depends on 13) The power supply unit according to claim 13, wherein the first circuit board is provided on one end side of the power supply in a longitudinal direction, and the second circuit board is provided on another end side of the power supply in the longitudinal direction. ### Claim 17 (depends on 13) The power supply unit according to claim 13, wherein the first circuit board is provided on one end side of the power supply in a width direction, and the second circuit board is provided on another end side of the power supply in the width direction. ### Claim 18 (depends on 13) The power supply unit according to claim 13, wherein the power supply unit further includes at least one of a switch which can be activated to operate by a user and a sensor which is configured to output an inhaling action of the user, and the switch or the sensor is provided on the second circuit board. ### Claim 19 (depends on 13) The power supply unit according to claim 13, wherein the power supply unit further includes: a switch which can be activated to operate by a user; and a sensor configured to output an inhaling action of the user, and the switch and the sensor are provided on the second circuit board. ### Claim 20 (depends on 19) The power supply unit according to claim 19, wherein the second circuit board has a first main surface, and a second main surface which is a back of the first main surface, the switch is provided on the first main surface, and the sensor is provided on the second main surface. ### Claim 21 (depends on 20) The power supply unit according to claim 20, wherein the capacitor is provided on the second main surface. ### Claim 22 (depends on 13) The power supply unit according to claim 13, wherein the power supply unit further includes a resistor which is connected in series between the connector and a connection point between the conductor and an input side of the capacitor. ### Claim 23 (depends on 22) The power supply unit according to claim 22, wherein the resistor is provided on the first circuit board. ### Claim 24 (depends on 13) The power supply unit according to claim 13, wherein a capacity of the capacitor is 1μF or less. ### Claim 25 (depends on 13) The power supply unit according to claim 13, wherein a capacity of the capacitor is 0.1 μF or less. ### Claim 26 A power supply unit for an aerosol inhaler, the power supply unit comprising: 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 configured to control at least one of charging and discharging of the power supply or configured to be able to convert a power which is input from the connector into a charging power for the power supply, wherein the power supply unit further includes a capacitor which is provided between the connector and the control device so as to be connected in parallel with the control device, and the capacitor is configured to function as a smoothing capacitor and a low pass filter with respect to power which is supplied from the connector to the control device. ### Claim 27 (depends on 26) The power supply unit according to claim 26, wherein the power supply unit further includes a resistor which is connected in series between the connector and a connection point between an input side of the capacitor and a conductor which electrically connects the connector and the control device.