Aerosol provision system

Abstract

An aerosol provision system includes control circuitry for determining an operational parameter of the aerosol provision system, an aerosol generator configured to aerosolize an aerosol-generating material and a sensor configured to detect an inhalation on the aerosol provision system by a user of the aerosol provision system, and output corresponding inhalation detection signals to the control circuitry. The control circuitry is configured to determine a duration of the inhalation based on the inhalation detection signals received from the sensor, and determine an indication of an amount of an ingredient delivered from the aerosol-generating material to the user during the inhalation based on the duration of the inhalation and an indication of the operational parameter during the inhalation.

1 . An aerosol provision system comprising:
 control circuitry for determining an operational parameter of the aerosol provision system;   an aerosol generator configured to aerosolize an aerosol-generating material; and   a sensor configured to detect an inhalation on the aerosol provision system by a user of the aerosol provision system, and output corresponding inhalation detection signals to the control circuitry;   wherein the control circuitry is configured to:
 determine a duration of the inhalation based on the inhalation detection signals received from the sensor, and 
 determine an indication of an amount of an ingredient delivered from the aerosol-generating material to the user during the inhalation based on the duration of the inhalation and an indication of the operational parameter during the inhalation. 
   
     
     
         2 . The aerosol provision system of  claim 1 , wherein the control circuitry is configured to determine a duration of a session based on a duration of a plurality of inhalations, wherein a time between each of the plurality of inhalations is less than a predetermined time. 
     
     
         3 . The aerosol provision system of  claim 2 , wherein the control circuitry is configured to determine the indication of the amount of the ingredient delivered from the aerosol-generating material to the user during the session based on the duration of the session and an indication of the operational parameter during the session. 
     
     
         4 . The aerosol provision system of  claim 1 , wherein the control circuitry is configured to determine the indication of the amount of the ingredient delivered from the aerosol-generating material to the user during a rolling predetermined period based on the duration of each inhalation during the rolling predetermined period and an indication of the operational parameter during each inhalation during the rolling predetermined period. 
     
     
         5 . The aerosol provision system of  claim 4 , wherein the control circuitry is configured to determine a time between each inhalation based on the inhalation detection signals, and wherein the determination of the indication of the amount of the ingredient delivered from the aerosol-generating material to the user during the rolling predetermined period is also based on the time between each inhalation during the rolling predetermined period. 
     
     
         6 . The aerosol provision system of  claim 1 , wherein the determination of the indication of the amount of the ingredient delivered from the aerosol-generating material to the user is further based on a concentration of the ingredient in the aerosol-generating material. 
     
     
         7 . The aerosol provision system of  claim 1 , wherein the ingredient is nicotine, caffeine, taurine, theine, a vitamin, melatonin, or a cannabinoid. 
     
     
         8 . The aerosol provision system of  claim 1 , further comprising a power source configured to supply electrical power to the aerosol generator, and wherein the operational parameter of the aerosol provision system is an amount of electrical power supplied to the aerosol generator by the power source. 
     
     
         9 . The aerosol provision system of  claim 1 , wherein the control circuitry is configured to determine default user behavior based on the indication of the amount of the ingredient delivered from the aerosol-generating material to the user for a plurality of inhalations. 
     
     
         10 . The aerosol provision system of  claim 9 , wherein the control circuitry is configured to determine a time between each of the plurality of inhalations based on the inhalation detection signals, and wherein determining default user behavior is also based on the time between each of the plurality of inhalations. 
     
     
         11 . The aerosol provision system of  claim 9 , wherein the control circuitry is configured to alter a mode of operation of the aerosol provision system based on the default user behavior behaviour. 
     
     
         12 . The aerosol provision system of  claim 9 ,
 wherein the control circuitry is configured to provide a notification to the user based on the indication of the amount of the ingredient delivered from the aerosol-generating material to the user during the inhalation and the default user behavior behaviour.   
     
     
         13 . The aerosol provision system of  claim 1 ,
 wherein the control circuitry is configured to provide a notification to the user when the indication of an amount of an ingredient delivered from the aerosol-generating material to the user during the inhalation exceeds a puff threshold.   
     
     
         14 . The aerosol provision system of  claim 2 ,
 wherein the control circuitry is configured to provide a notification to the user when the indication of the amount of an ingredient delivered from the aerosol-generating material to the user during the session exceeds a session threshold.   
     
     
         15 . The aerosol provision system of  claim 1 ,
 wherein the control circuitry is configured to provide a notification to the user when the indication of the amount of an ingredient delivered from the aerosol-generating material to the user during the rolling predetermined period exceeds a period threshold.   
     
     
         16 . The aerosol provision system of  claim 12 , wherein the notification is provided on the aerosol provision system. 
     
     
         17 . The aerosol provision system of  claim 12 , wherein the notification is provided on an application on a remote device. 
     
     
         18 . The aerosol provision system of  claim 12 , wherein the notification is a haptic notification. 
     
     
         19 . The aerosol provision system of  claim 18 , wherein a parameter of the haptic notification is adjustable by the user. 
     
     
         20 . A system comprising:
 an aerosol provision system configured to generate aerosol from an aerosol-generating material; and   a computer configured to:
 receive inhalation detection signals from a sensor configured to detect an inhalation on the aerosol provision system by a user of the aerosol provision system; 
 determine a duration of the inhalation based on the inhalation detection signals received from the sensor; and 
 determine an indication of an amount of an ingredient delivered from the aerosol-generating material to the user during the inhalation based on the duration of the inhalation and an indication of an operational parameter of the aerosol provision system during the inhalation. 
   
     
     
         21 . A method of determining an amount of an ingredient delivered to a user of an aerosol provision system, the method comprising:
 receiving inhalation detection signals from a sensor configured to detect the inhalation on the aerosol provision system by a user of the aerosol provision system;   determining a duration of the inhalation based on the inhalation detection signals received from the sensor; and   determining an indication of an amount of an ingredient delivered from an aerosol-generating material to the user during the inhalation based on the duration of the inhalation and an indication of an operational parameter of the aerosol provision system during the inhalation, wherein an aerosol generator is configured to aerosolize the aerosol-generating material.   
     
     
         22 . A non-transitory computer readable storage medium comprising instructions which, when executed by a processor, cause the processor to perform a method comprising:
 receiving inhalation detection signals from a sensor configured to detect the inhalation on an aerosol provision system by a user of the aerosol provision system;   determining a duration of the inhalation based on the inhalation detection signals received from the sensor; and   determining an indication of an amount of an ingredient delivered from the aerosol-generating material to the user during the inhalation based on the duration of the inhalation and an indication of an operational parameter of the aerosol provision system during the inhalation.