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WO2022117566A1 - Procédé pour caractériser des inhalations d'un utilisateur durant l'utilisation d'un dispositif de génération d'aérosol, et dispositif de génération d'aérosol associé - Google Patents

Procédé pour caractériser des inhalations d'un utilisateur durant l'utilisation d'un dispositif de génération d'aérosol, et dispositif de génération d'aérosol associé Download PDF

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Publication number
WO2022117566A1
WO2022117566A1 PCT/EP2021/083574 EP2021083574W WO2022117566A1 WO 2022117566 A1 WO2022117566 A1 WO 2022117566A1 EP 2021083574 W EP2021083574 W EP 2021083574W WO 2022117566 A1 WO2022117566 A1 WO 2022117566A1
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WO
WIPO (PCT)
Prior art keywords
puff
user
generation device
aerosol generation
parameter
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2021/083574
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English (en)
Inventor
Pier Paolo MONTICONE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JT International SA
Original Assignee
JT International SA
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Filing date
Publication date
Application filed by JT International SA filed Critical JT International SA
Publication of WO2022117566A1 publication Critical patent/WO2022117566A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention concerns a method for characterizing user inhales while using an aerosol generation device.
  • the present invention also concerns an aerosol generation device configured to carry out such a method.
  • aerosol generation devices comprise a storage portion for storing an aerosol forming precursor, which can comprise for example a liquid or a solid.
  • a heating system is formed of one or more electrically activated resistive heating elements arranged to heat said precursor to generate the aerosol.
  • the aerosol is released into a flow path extending between an inlet and outlet of the device.
  • the outlet may be arranged as a mouthpiece, through which a user inhales for delivery of the aerosol.
  • the heating system is powered by a battery presenting generally a rechargeable battery, as for example a lithium-ion battery.
  • the power from the battery is usually controlled by a microcontroller basing for example on heating system characteristics like for example the resistance of the heating coil.
  • Some aerosol generation devices comprise a microcontroller configured to determine user consumption data.
  • data may comprise for example a quantity of consumed precursor or duration of its consumption or any other data related to the using of the device by the user. Determination of such data is usually carried out using flow rate estimations of the flow passing through the flow path of the aerosol generation device.
  • a flow or a pressure sensor is generally arranged in the flow path of the aerosol generation device. The sensor is configured to provide corresponding measurements to the microcontroller which then determines consumption characteristics using a predetermined routine.
  • using of flow or pressure sensors in the flow path is not always convenient. For example, their arrangement in the flow path can impose numerous restrictions to the device’s design and can increase its cost. Additionally, the measurements provided by such sensors do not always lead to accurate results.
  • Some other aerosol generation devices propose to determine user consumption data without using flow or pressure sensors but using properties of the electrical energy passed for example through the heater of the device.
  • document WO 2018/122411 proposes to determine user consumption data using one of a plurality of different relationships between measurements of said properties of the electrical energy and at least a property of flow which is for example the mass of aerosol present in a user inhale. Each of the relationships is determined from empirical data. An appropriated relationship is selected according for example to available measurements of said properties of the electrical energy.
  • One of the aims of the invention is to ensure determination of data making it possible to improve user experience, which may be carried out without using special flow/pressure sensors but applicable to generic devices and which is still able to provide accurate results.
  • the invention relates to a method for characterizing user inhales while using an aerosol generation device, the method comprising the following steps:
  • the key puff indicators can be determined without using special flow/pressure sensors.
  • the invention can be thus implemented using only one sensor of a measurable characteristic such as temperature or power.
  • the key puff indicators can be determined very accurately from at least one puff parameter which is determined using a predetermined relationship modelling the behaviour of at least one measurable characteristic during the user puff. Contrary to empirical relationships, a relationship modelling the behaviour of at least one measurable characteristic may be determined more accurately for a large variety of aerosol generation devices and circumstances of their using. Indeed, according to the invention, the or each puff parameter is determined or updated at each puff according to the measurements of the corresponding measurable characteristic.
  • the or each puff parameter presents a constant value over time in said predetermined relationship.
  • the or each puff parameter can be easily determined for the whole duration of a puff.
  • said predetermined relationship comprises a first component representing the measurable characteristic in absence of user puff and a second component representing a variation of the measurable characteristic due to the user puff.
  • the or each puff parameter is comprised in the second component.
  • the second component presents an exponential function over time and comprises a first puff parameter scaling the argument of the said function and a second puff parameter defining the magnitude of said function.
  • the first component presents a linearly increasing function over time.
  • the predetermined relationship makes it possible to model precisely the behaviour of the corresponding measurable characteristic.
  • said measurable characteristic is the temperature in a location where it depends on an air flow passing through the aerosol generation device or the power of a heater intended to heat a precursor of the aerosol generation device.
  • the measurable characteristic can be easily measured without using notably flow or pressure sensors.
  • said temperature is measured using a temperature sensor.
  • said temperature is derived from measured electric properties of the heater of the aerosol generation device.
  • the measurable characteristic can be measured without adding special sensors to the device.
  • the at least one puff indicator comprises one or more elements of a list of elements including: a puff duration, a puff intensity, and a puff volume.
  • the puff duration is equal or proportional to the first puff parameter; the puff intensity is equal or proportional to the second puff parameter or to a fraction of the second puff parameter and the value of the first component at the beginning of the user puff; and the puff volume is equal or proportional to the product of the puff duration and the puff intensity.
  • the method further comprising a step of determining an average value and/or a distribution of at least one key puff indicator over a vaping session.
  • the key puff indicators can be used to improve the user experience over a vaping session.
  • the method further comprising a step of adjusting device settings by analysing said average value and/or distribution.
  • the user experience can be improved by personalizing the operation of the aerosol generation device.
  • the user puff is detected by comparing at least one measurable value with a threshold or by detecting a predetermined pattern representative of at least one measurable value.
  • the invention also relates to an aerosol generation device comprising means configured to carry out the method as defined above.
  • FIG. 1 is a schematic view showing an embodiment of an aerosol generation device according to the invention.
  • FIG. 2 is a flowchart of a method for characterizing user inhales, the method being performed by the aerosol generation device of Figure 1 ;
  • the term “aerosol generation device” or “device” may include a vaping device to deliver an aerosol to a user, including an aerosol for vaping, by means of aerosol generating unit (e.g. an aerosol generating element which generates vapour which condenses into an aerosol before delivery to an outlet of the device at, for example, a mouthpiece, for inhalation by a user).
  • the device may be portable. “Portable” may refer to the device being for use when held by a user.
  • the device may be adapted to generate a variable amount of aerosol, e.g. by activating a heater system for a variable amount of time (as opposed to a metered dose of aerosol), which can be controlled by a trigger.
  • the trigger may be user activated, such as a vaping button and/or inhalation sensor.
  • the inhalation sensor may be sensitive to the strength of inhalation as well as the duration of inhalation to enable a variable amount of vapour to be provided (so as to mimic the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe, etc.).
  • the device may include a temperature regulation control to drive the temperature of the heater and/or the heated aerosol generating substance (aerosol pre-cursor) to a specified target temperature and thereafter to maintain the temperature at the target temperature that enables efficient generation of aerosol.
  • aerosol may include a suspension of vaporizable material as one or more of: solid particles; liquid droplets; gas. Said suspension may be in a gas including air. Aerosol herein may generally refer to/include a vapor. Aerosol may include one or more components of the vaporizable material.
  • vaporizable material or “precursor” or “aerosol forming substance” or “substance” is used to designate any material that is vaporizable in air to form aerosol. Vaporization is generally obtained by a temperature increase up to the boiling point of the vaporization material, such as at a temperature less than 400°C, preferably up to 350°C.
  • the vaporizable material may, for example, comprise or consist of an aerosolgenerating liquid, gel, wax, foam or the like, an aerosol-generating solid that may be in the form of a rod, which contains processed tobacco material, a crimped sheet or oriented strips of reconstituted tobacco (RTB), or any combination of these.
  • the vaporizable material may comprise one or more of: nicotine, caffeine or other active components.
  • the active component may be carried with a carrier, which may be a liquid.
  • the carrier may include propylene glycol or glycerin.
  • a flavoring may also be present.
  • the flavoring may include Ethylvanillin (vanilla), menthol, Isoamyl acetate (banana oil) or similar.
  • puff or “user puffer” may refer to a user action performed to inhale the aerosol generated by the aerosol generation device. This action can be performed by the user through a mouthpiece opening to an airflow path of the aerosol generation device. Thus, a puff creates an airflow in the airflow path.
  • key puff indicator may refer to at least one characteristic of a puff. Such a characteristic may for example refer to a puff duration, a puff intensity, a puff volume, etc.
  • the key puff indicators may be analysed separately or in combination to improve user experience by determining for example user consumption data.
  • the “user consumption data” may refer to any data that characterise utilisation of an aerosol generation device by a user. Such data may for example comprise duration of a vaping session, amount of a precursor or at least a component of the precursor consumed by the user, composition of the aerosol, etc. These data may be defined for each vaping session or may be averaged over several vaping sessions or all vaping sessions performed by the user.
  • the user consumption data may be determined directly by the aerosol generation device or an external device connected to the aerosol generation device via for example a wireless protocol.
  • the term “external device” may refer to a device, which is able to establish a wireless data connection with the aerosol generation device as it is explained in the specification.
  • Such an external device may be a mobile device like a mobile phone for example.
  • such an external device may be a smart device able to process at least some data received from the aerosol generation device or intended to be transmitted to the aerosol generation device.
  • Such a smart device can be a smartphone, a smartwatch, a tablet computer, a laptop, a desktop computer or any other smart object implemented for example according to the loT (“Internet of things”) technology.
  • Such a smart device can be also another aerosol generation device similar to said aerosol generation device.
  • the external device may be a distant server able to process data.
  • the aerosol generation device 10 comprises a device body 12 extending, in the example of Figure 1 , according a device axis X.
  • the device body 12 defines a reception cavity 14 configured to receive a consumable.
  • the reception cavity 14 can for example form a cylindrical shape.
  • the consumable is a tobacco rod or stick 18 comprising a solid precursor as defined above.
  • the aerosol generation device 10 is a “heat not burn” device, also known as a T-vapour device.
  • the tobacco rod or stick 18 may form a mouthpart usable by the user to make puffs.
  • an airflow path (not-shown) extends from an air inlet formed in a wall of the device body 12 to the mouthpart.
  • the consumable is a removable cartridge containing a precursor as defined above in liquid or solid form.
  • the aerosol generation device 10 may be “a heat not burn” device or an E-vapour device, depending on the nature of the precursor.
  • the cartridge can present a mouthpiece usable for puffs.
  • An airflow path is also defined between an air inlet and the mouthpiece.
  • the device body 12 defines a precursor storage portion able to store a precursor inside the body and configured for example to be refilled by a user. An embodiment corresponding to any combination of the abovementioned embodiments is still possible.
  • the device body 12 delimits an interior part of the aerosol generation device 10 and comprises a power block 22 designed to power the device 10, an electronic block 24 powered by the power block 22 and a heater block 26 designed to heat the precursor and controlled by the electronic block 24.
  • the device body 12 of the aerosol generation device 10 may further comprise other internal components performing different functionalities of the device 10 known per se as for example a communication block 28 also shown on Figure 1.
  • the power block 22 comprises a battery and a battery charger.
  • the battery is for example a known battery designed to be charged using the power supply furnished by an external source and to provide a direct current of a predetermined voltage.
  • the battery charger is able to connect the battery to the external source and comprises for this purpose a power connector (like for example a mini-USB connector) or wireless charging connector.
  • the battery charger is also able to control the power delivered from the external source to the battery according for example to a predetermined charging profile.
  • a charging profile can for example define a charging voltage of the battery depending on its level of charge.
  • the communication block 28 comprises for example a communication module and an antenna able to establish a wireless connection with an external device.
  • the connexion is for example established according to a known wireless protocol such as Bluetooth, WiFi, NFC, etc.
  • the communication module is able to receive data generated by the electronic block 24 to transmit it to the external device using the antenna.
  • the communication module is also able to form data from radio waves received by the antenna, to transmit these data to the electronic block 24.
  • the communication block 28 instead of the antenna, comprises a connector able to establish a wire connection with the external device.
  • the heater block 26 comprises notably a heater 32 and a temperature sensor 34.
  • the heater 32 is designed to heat the precursor.
  • the heater 32 is arranged inside the reception cavity 14 and forms at least partially walls of this cavity 14.
  • the heater 32 can be arranged circumferentially in the reception cavity 14 when the cavity presents a cylindrical shape.
  • the heater may be integrated, at least partially, into the consumable.
  • the heater is arranged entirely inside the cartridge.
  • the heater is formed by a pair of plates intending to be in contact. In this case, one of the plates forms for example a cartridge wall and the other is arranged in the device body 12.
  • the heater can be arranged in a precursor storage portion.
  • the temperature sensor 34 is able to measure the temperature of a location where it is arranged.
  • the temperature sensor 34 is arranged in the airflow path or at least adjacent to it. In such an arrangement, the temperature sensor 34 is cooled by an airflow generated further to user puffs.
  • the temperature sensor 34 is integrated at least partially in a wall of the reception cavity 14 to be for example in contact with the consumable when it is inserted into the cavity 14.
  • the temperature sensor 34 can also be integrated into the heater 32, for example into a part of the heater 32 in contact with the consumable.
  • the temperature sensor 34 is located at any other location of the device body 12 exposed to the airflow generated further to user puffs.
  • the temperature sensor 34 may be arranged inside the consumable.
  • the temperature sensor is formed by the heater 32.
  • the temperature can be estimated by the electronic block 24 by measuring the electrical resistance R(t) of the heater 32 over time, according to the heater’s material.
  • the temperature of the location of the temperature sensor 34 forms a measurable characteristic representative the operation of the aerosol generation device 10.
  • the temperature sensor 34 is able to generate measurements of this temperature over time. These measurements present for example a time signal, called hereinafter measured temperature signal T(t).
  • the electronic block 24 comprises a control module 42 able to control the operation of the device 10, a heater driver module 44 connected between the control module 42 and the heater 32, and a signal filtering and amplification module 46 connected between the temperature sensor 34 and the control module 42.
  • Each of these modules 42, 44, 46 is implemented at least partially as a software and/or hardware element.
  • at least one of said modules can be a microcontroller or any other hardware unit implemented for example as an FPGA (“Field-Programmable Gate Array”) or ASIC (Application-Specific Integrated Circuit).
  • the signal filtering and amplification module 46 is able to acquire the measured temperature signal T(t) from the temperature sensor 34, filter and amplify it according to a predetermined routine and transmit it to the control module 42.
  • the control module 42 is able to analyse the measured temperature signal T(t) and according to this analyse, generate a target temperature signal TO(t) corresponding to the temperature to be imposed to the heater 32.
  • the target temperature signal TO(t) is for example generated by the control module 42 according to a predetermined heating profile.
  • the heating profile depends for example on the precursor and defines how the precursor has to be heated basing on the heater’s structure. For example, when the heater 32 is composed from several heating elements, the heating profile defines how these elements have to be activated in order to obtain the desired result.
  • the heater driver module 44 is able to control the operation of the heater 32 according to the target temperature signal TO(t).
  • the heater driver module 44 is for example able to connect the heater 32 to the power block 22 to impose on the heater 32 voltage and/or current values determined according to the target temperature signal TO(t).
  • the heater driver module 44 is also configured to generate and transmit to the control module 42 a power consumption signal P(t) corresponding to measurements of the power consumed by the heater 32.
  • the power consumed by the heater 32 forms a measurable characteristic representative the operation of the aerosol generation device 10.
  • the control module 42 is also able to analyse the power consumption signal P(t) and the measured temperature signal T(t) to carry out at least some of the steps a method 100 for characterizing user inhales. In other words, the control module 42 is able to analyse measurements of the measurable characteristics representative the operation of the aerosol generation device 10 to carry out said steps of the method 100. This method 100 will be explained in detail with reference to Figures 2 and 3.
  • the method 100 is for example carried out upon activation of the aerosol generation device 10 to generate vapour.
  • the activation can be performed by the user further for example to activation a vaping button or any other actuator.
  • the operation of the aerosol generation device 10 to generate vapour is triggered by a flow or pressure sensor arranged in the airflow path. In this case, such a sensor may for example be used only to trigger the operation of aerosol generation device 10.
  • the heater drive module 44 is controlled by the control module 42 according to a target temperature signal TO(t) and the heater 32 is controlled by the heater driver module 44 according to a static dissipation signal PO(t).
  • Both signals TO(t) and PO(t) present for example linear increasing functions over time as shown on the right side plot of Figure 3.
  • the temperature sensor 34 and the heater drive module 44 generate measurements respectively of the temperature in the corresponding location and the power of the heater 32. As explained above, these measurements can be presented in a form of respectively measured temperature signal T (t) and power consumption signal P(t).
  • the signals are then transmitted to the control module 41 . In a variant, only one signal T(t) or P(t) can be generated and transmitted during this step.
  • the electronic block 24 detects a user puff.
  • the puff detection can be performed by the control module 42 by analysing the measured temperature signal T(t) and/or the power consumption signal P(t) provided respectfully by the temperature sensor 34 and the heater driver module 44.
  • the control module 42 may for example compare at least one of the values of these signals with a threshold or by detecting a predetermined pattern in at least one of these signals.
  • a puff can be detected when at least one of the signals T(t), P(t) differs significantly from the corresponding signal TO(t), PO(t) by one or several values greater than said threshold, or when at least one of the signals T(t), P(t) presents a variation corresponding to said predetermined pattern.
  • puffs are detected in case of brusque variation of the temperature signal T(t).
  • control module 42 may increment a puff counter which is for example reset when the aerosol generation device 10 is deactivated to generate vapour.
  • control module 42 performs steps 130 and 140.
  • the control module 42 determines at least one puff parameter of the aerosol generation device 10 during the user puff from a predetermined relationship modelling the behaviour of the or each measurable characteristic during the puff.
  • Said relationship can be a mathematical formula or a look up table and can be continuous over time or discrete or obtained with a PWM (“Pulse-Width Modulation”) of the signal.
  • each measurable characteristic is modelled by a relationship comprising a first component representing the measurable characteristic in absence of user puff and a second component representing a variation of the measurable characteristic due to the user puff.
  • the or each puff parameter is comprised into the second component.
  • the second component may for example be expressed by an exponential function.
  • the first component may present a linearly increasing function over time.
  • the measurable characteristic is the temperature measured by the temperature sensor 34
  • the measurable characteristic is the power ⁇ ( ⁇ ) consumed by the heater 32
  • it can be modelled b y the following relationship: w ith: 0 when each single puff starts; is the first component corresponding to the static dissipation signal as defined a bove; ⁇ ⁇ exp( ⁇ ⁇ / ⁇ ⁇ ) is the second component where: ⁇ ⁇ ⁇ is a first puff parameter scaling the argument of the exponential function; a nd ⁇ ⁇ ⁇ is a second puff parameter defining the magnitude of the exponential function.
  • the control module 42 determines the puff parameters related to both measurable characteristics. In a variant, the control module 42 determines the puff parameters related only to one measurable characteristic. For example, the control module 42 may determine only the puff parameters A T , T T or the puff parameters A P , T P at this step 130.
  • the control module 42 may use at this step 130 any other mathematical model for said measurable characteristics. For example, it is possible to use a polynomial or triangle approximations of said functions T(t) and P(t).
  • control module 42 determines at least one key puff indicator of the user puff using the or each determined puff parameter related to at least one measurable characteristic.
  • the key puff indicator corresponding to the puff duration may be determined as equal or proportional to the first puff parameter related to at least one measurable characteristic.
  • the puff duration may be determined as equal or proportional to one of the values T T or T P .
  • the puff duration may be determined as a combination of these parameters, for example a weighted average of these parameters. In the previous example when both values T T or T P are determined, the puff duration may be thus determined using the following expression:
  • the weights w 1T and w 1P may be chosen equal to a same value v.
  • the value v can be for example equal to -Zn(0,l) or any other value suitable value.
  • the key puff indicator corresponding to the puff intensity may be determined as equal or proportional to the second puff parameter or to a fraction of the second puff parameter and the value of the first component at the beginning of the user puff.
  • the puff intensity may be determined as equal or proportional to A T or A P or A T /T O (0) or A p /P 0 (0).
  • the puff intensity may be determined as a combination of these parameters, for example a weighted average of normalized parameters.
  • the puff intensity may be thus determined using the following expression:
  • the weights w 2T and w 2P may be chosen as explained in relation with the weights w 1T and w 1P in the previous case, for example basing on the accuracy of the corresponding signals to give more importance to more accurate/reliable value.
  • the weights can also be chosen to scale the measurable to a physical dimension, e.g. puff volume in litres (e.g. though calibration).
  • the key puff indicator corresponding to the puff volume may be determined as equal or proportional to the product of the puff duration and the puff intensity.
  • the control module 42 analyses all of the determined key puff indicators. It can for example determine an average value and/or a distribution of at least one key puff indicator over the vaping session.
  • the control module 42 transmits the results of its analysis to an external device connected to the aerosol generation device 10 via the communication block 28.
  • the control module 42 may transmit directly the determined key puff indicators without analysing these data. In this case, the analysis can be performed by the external device.
  • the next step 160 consists in improving the user experience using the data obtained during the step 150 and/or the key puff indicators determined after at least one user puff.
  • This step can be performed by the control module 42 and/or the external device for example by adjusting at least some operational settings/parameters of the device.
  • the quality of puffs can be improved by adjusting device parameters, e.g. heating profile or distribution, in order to improve puff to puff consistency, better management of the consumable.
  • the user experience may also be improved by adapting the puffs to the puffing style of the user, e.g. ristretto vs espresso vs lungo puffs. For example, short puffs can be hotter and with more substance loaded than long puffs.
  • the user experience may also be improved by determining user consumption data. These data can for example be stored in the external device and then, compared with previously acquired data.
  • the user experience may also be improved by collecting and analysing data from several devices or users.

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Abstract

La présente invention concerne un procédé (100) permettant de caractériser des inhalations d'un utilisateur durant l'utilisation d'un dispositif de génération d'aérosol, le procédé (100) comprenant les étapes suivantes consistant : - à générer (110) une pluralité de mesures d'au moins une caractéristique mesurable représentative du fonctionnement du dispositif de génération d'aérosol ; - à détection une bouffée (120) de l'utilisateur ; - à utiliser les mesures pendant la bouffée détectée, à déterminer (130) au moins un paramètre de bouffée à partir d'une relation prédéfinie modélisant le comportement de la caractéristique mesurable ou chaque caractéristique mesurable pendant la bouffée de l'utilisateur ; - à déterminer (140) au moins un indicateur de bouffée clé de la bouffée de l'utilisateur à l'aide du paramètre de bouffée déterminé ou de chaque paramètre de bouffée déterminé.
PCT/EP2021/083574 2020-12-01 2021-11-30 Procédé pour caractériser des inhalations d'un utilisateur durant l'utilisation d'un dispositif de génération d'aérosol, et dispositif de génération d'aérosol associé Ceased WO2022117566A1 (fr)

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EP20210960 2020-12-01
EP20210960.9 2020-12-01

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WO2022117566A1 true WO2022117566A1 (fr) 2022-06-09

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WO2024183049A1 (fr) * 2023-03-09 2024-09-12 Philip Morris Products S.A. Procédé de commande de dispositif de génération d'aérosol à l'aide d'histogrammes
WO2025002663A1 (fr) * 2023-06-29 2025-01-02 Philip Morris Products S.A. Dispositif de génération d'aérosol avec détection de bouffée d'utilisateur améliorée et procédé d'amélioration de la détection de bouffée d'un utilisateur

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WO2018122411A1 (fr) 2016-12-30 2018-07-05 Jt International S.A. Système de génération d'aérosol à commande électrique
WO2018122410A1 (fr) * 2016-12-30 2018-07-05 Jt International S.A. Système de génération d'aérosol à commande électrique
GB2570439A (en) * 2017-12-13 2019-07-31 British American Tobacco Investments Ltd Method and apparatus for analysing user interaction
WO2019129868A1 (fr) * 2017-12-29 2019-07-04 Jt International S.A. Système de génération d'aérosol à commande électrique
WO2020234166A1 (fr) * 2019-05-17 2020-11-26 Xeotech Gmbh Procédé de commande d'un dispositif de génération de vapeur électronique

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WO2024183049A1 (fr) * 2023-03-09 2024-09-12 Philip Morris Products S.A. Procédé de commande de dispositif de génération d'aérosol à l'aide d'histogrammes
WO2025002663A1 (fr) * 2023-06-29 2025-01-02 Philip Morris Products S.A. Dispositif de génération d'aérosol avec détection de bouffée d'utilisateur améliorée et procédé d'amélioration de la détection de bouffée d'un utilisateur

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