A user-replaceable e-liquid reservoir for dispensing e-liquid, the reservoir being inserted into, or otherwise attached to, a portable, personal e-cigarette device and engaging with an electrical or electronic pump fluid transfer system in the device, the device including: an electrical or electronic pump, being configured to transfer e-liquid from the e-liquid reservoir to an atomizing unit in the device, the pump delivering a pre-defined or variable quantity of e-liquid from the reservoir; and in which the reservoir is not user-refillable.

A circuit board for a non-combustion flavor inhaler includes a substrate and an electrically conductive ink pattern printed on the substrate. The substrate includes paper. A percentage weight loss of the paper from room temperature to 290° C. is less than 20% of a percentage weight loss of the paper from room temperature to 900° C. under a condition that allows air to flow at a flow rate of 100 mL/min while elevating a temperature of the air at a speed of 10° C./min.

A circuit board for a non-combustion flavor inhaler includes a substrate and an electrically conductive ink pattern printed on the substrate. The substrate includes paper. A percentage weight loss of the paper from room temperature to 290° C. is less than 20% of a percentage weight loss of the paper from room temperature to 900° C. under a condition that allows air to flow at a flow rate of 100 mL/min while elevating a temperature of the air at a speed of 10° C./min.

The invention discloses an electronic cigarette, an atomizing core, an atomizer and a method of controlling the electronic cigarette. The electronic cigarette comprises a battery assembly, an atomizer comprising an atomizer body and an atomizing core mounted on the atomizer body, and a main control circuit; the main control circuit comprises a sense unit for sensing remaining life cycle of the atomizing core, a compare unit for comparing data sensed by the sense unit with a preset threshold value, and a control unit for controlling on and off of the electronic cigarette depending on comparison results. Through the invention, the user can use the atomizing core in any atomizer having electrical interfaces, and close output at an optimal time of taste of the atomizing core and before producing harmful substance.

The invention discloses an electronic cigarette, an atomizing core, an atomizer and a method of controlling the electronic cigarette. The electronic cigarette comprises a battery assembly, an atomizer comprising an atomizer body and an atomizing core mounted on the atomizer body, and a main control circuit; the main control circuit comprises a sense unit for sensing remaining life cycle of the atomizing core, a compare unit for comparing data sensed by the sense unit with a preset threshold value, and a control unit for controlling on and off of the electronic cigarette depending on comparison results. Through the invention, the user can use the atomizing core in any atomizer having electrical interfaces, and close output at an optimal time of taste of the atomizing core and before producing harmful substance.

An aerosol delivery device is provided that includes sensor(s) to produce measurements of properties during use of the device, and processing circuitry to record data for a plurality of uses of the device, for each use of which the data includes the measurements of the properties. The processing circuitry is configured to build a machine learning model to predict a target variable, using a machine learning algorithm, at least one feature selected from the properties, and a training set produced from the measurements of the properties. The processing circuitry is configured to then deploy the machine learning model to predict the target variable, and control at least one functional element of the device based thereon. The device may also include a digital camera to capture an image of a face of an attempted user to enable facial recognition to alter a locked state of the device.

An aerosol delivery device is provided that includes sensor(s) to produce measurements of properties during use of the device, and processing circuitry to record data for a plurality of uses of the device, for each use of which the data includes the measurements of the properties. The processing circuitry is configured to build a machine learning model to predict a target variable, using a machine learning algorithm, at least one feature selected from the properties, and a training set produced from the measurements of the properties. The processing circuitry is configured to then deploy the machine learning model to predict the target variable, and control at least one functional element of the device based thereon. The device may also include a digital camera to capture an image of a face of an attempted user to enable facial recognition to alter a locked state of the device.

A connector in an electronic nicotine delivery systems (“ENDS”) device, including aerosol delivery devices such as smoking articles that produce aerosol, may include multiple concentric pins, which each have multiple contact points for providing a more reliable connection and for preventing disruptions that may be caused from improper contacts. The connection may be between a cartridge and a battery portion of the aerosol delivery device or with a product use and behavior (“PUB”) instrument that can be attached to an aerosol delivery device.

A connector in an electronic nicotine delivery systems (“ENDS”) device, including aerosol delivery devices such as smoking articles that produce aerosol, may include multiple concentric pins, which each have multiple contact points for providing a more reliable connection and for preventing disruptions that may be caused from improper contacts. The connection may be between a cartridge and a battery portion of the aerosol delivery device or with a product use and behavior (“PUB”) instrument that can be attached to an aerosol delivery device.

An electronic smoking article, a method of manufacturing an electronic smoking article, and a method of achieving a smoking experience without combusting tobacco are disclosed. The electronic smoking article includes an authenticated first section, which includes an aerosol generation unit having at least one heater; an authenticated second section, which includes a power supply operable to apply voltage to the at least one heater for heating a liquid in at least a portion of the aerosol generation unit to form an aerosol; and a conductive ink circuit embedded within the first and second sections, and wherein the power supply and the aerosol generation unit are electrically connected upon joining the first and second sections, and wherein each of the first and second sections has a portion of the conductive ink circuit.