An aerosol-generating article for producing an inhalable aerosol when heated is provided, the aerosol-generating article including: a rod of aerosol-generating substrate, including: a plurality of elongate tubular elements of homogenised tobacco material assembled such that the plurality of elongate tubular elements extend in a longitudinal direction, and a wrapper circumscribing the plurality of elongate tubular elements, the plurality of elongate tubular elements being aligned substantially parallel to one another within the rod of aerosol-generating substrate.

A control device of an aerosol generating device includes a main control unit, and is connectable to a battery and a heater coil. The main control unit is configured to carry out one or more execution loops, a first execution loop includes applying a first power output to the heater coil for a first number of steps, disabling the first power output and thereby switching off the heater coil in a second number of steps, measuring a first heater coil voltage of the heater coil in a third number of steps, pausing with the heater coil switched off for a fourth number of steps, and measuring a first off-load battery voltage of the battery in a fifth number of steps. The main control unit is further configured to calculate an updated power output based upon the first heater coil voltage and first off-load battery voltage.

An electrically operated aerosol-generating device for generating an aerosol, the device including: a receiving cavity configured to removably receive an aerosol-forming substrate or at least a portion of an aerosol-generating article comprising an aerosol-forming substrate; an air path, which extends through the device and is configured to support an airflow in the device; a sound-generating member, which is arranged in fluid communication with the air path and is configured to generate sound caused by an airflow passing the sound-generating member when a user takes a puff, and is disposed in a distal end portion of the receiving cavity; and a puff detector including a vibration sensor fluidly separated from the air path and configured to detect sound propagating from the sound-generating member to the vibration sensor.

An aerosol provision system for generating aerosol from an aerosol generating material. The system comprises one or more portions of solid aerosol generating material having a mass no greater than 20 mg, and 5 wt % to 80 wt % aerosol generating agent, 1 wt % to 60 wt % gelling agent, and less than 15 mg water; one or more aerosol generating components; and control circuitry configured to supply power to the one or more aerosol generating components. The control circuitry is configured to cause heating of at least one of the one or more portions of aerosol generating material using the one or more aerosol generating components at an operational temperature at which aerosol is generated from the at least one of the one or more portions of aerosol generating material of no greater than 350° C. for a continuous duration of no greater than 10 seconds.

The present invention relates to an aerosol-generating consumable article comprising at least one indicium containing coded information about the article arranged on a surface of said article. The coded information is implemented in at least one array of readable code elements that are readable upon illumination by an optical magnification reader system, said readable code elements having a density of at least 10 elements per square mm of said indicium. The invention is also related to an aerosol-generating device configured to receive a consumable article. The aerosol-generating device comprises an optical magnification reader system configured to provide an optically magnified image of at least a portion of said indicium on a detector and to read said coded information, to recognize the authenticity of the consumable article.

The present invention relates to an aerosol-generating consumable article comprising at least one indicium containing coded information about the article arranged on a surface of said article. The coded information is implemented in at least one array of readable code elements that are readable upon illumination by an optical magnification reader system, said readable code elements having a density of at least 10 elements per square mm of said indicium. The invention is also related to an aerosol-generating device configured to receive a consumable article. The aerosol-generating device comprises an optical magnification reader system configured to provide an optically magnified image of at least a portion of said indicium on a detector and to read said coded information, to recognize the authenticity of the consumable article.

An aerosol generating device comprises a magnetic field generator and a heater for heating a smokable material; the heater comprises a susceptor portion and an infrared emission portion, the susceptor portion is penetrated by a magnetic field to generate heat and heat the smokable material by heat conduction, and the infrared emission portion receives the heat of the susceptor portion, and is excited by heating to radiate infrared rays to heat the smokable material. During the use of the above aerosol generating device, on the one hand, the susceptor portion generates heat by inductive heating so that the smokable material is directly heated by heat conduction; and on the other hand, the infrared emission portion is excited by the heat of the susceptor portion to radiate infrared rays, thereby assisting in the heating of the smokable material, and improving the utilization efficiency of heat.

An aerosol generating device comprises a magnetic field generator and a heater for heating a smokable material; the heater comprises a susceptor portion and an infrared emission portion, the susceptor portion is penetrated by a magnetic field to generate heat and heat the smokable material by heat conduction, and the infrared emission portion receives the heat of the susceptor portion, and is excited by heating to radiate infrared rays to heat the smokable material. During the use of the above aerosol generating device, on the one hand, the susceptor portion generates heat by inductive heating so that the smokable material is directly heated by heat conduction; and on the other hand, the infrared emission portion is excited by the heat of the susceptor portion to radiate infrared rays, thereby assisting in the heating of the smokable material, and improving the utilization efficiency of heat.

A smoking set comprises: a heating cavity and a heater; a first detection module, being configured to detect whether an object exists at a first position in the heating cavity to output a first detection signal; a second detection module, being configured to detect whether an object exists at a second position in the heating cavity to output a second detection signal; a microcontroller, being configured to: acquire the first detection signal and the second detection signal; identify object situation in the heating cavity according to different combinations of the first detection signal and the second detection signal. According to the present application, object situation in the heating cavity is identified according to different combinations of the first detection signal and the second detection signal; and the heater may be controlled to start heating or be turned off according to the identification result.

A smoking set comprises: a heating cavity and a heater; a first detection module, being configured to detect whether an object exists at a first position in the heating cavity to output a first detection signal; a second detection module, being configured to detect whether an object exists at a second position in the heating cavity to output a second detection signal; a microcontroller, being configured to: acquire the first detection signal and the second detection signal; identify object situation in the heating cavity according to different combinations of the first detection signal and the second detection signal. According to the present application, object situation in the heating cavity is identified according to different combinations of the first detection signal and the second detection signal; and the heater may be controlled to start heating or be turned off according to the identification result.