Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 25, 2021
Patent Application Number
16199866
Date Filed
November 26, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
An electronic vaping device includes a liquid storage portion, an electric heater and electronic circuitry. The liquid storage portion is configured to store liquid vapor-forming substrate. The electric heater includes at least one heating element, the at least one heating element configured to heat the liquid vapor-forming substrate. The electronic circuitry is configured to self-activate the electric heater for a first time interval during a period of inactivity of the electric heater to determine depletion of the liquid vapor-forming substrate based on a relationship between a power applied to the at least one heating element and a resulting temperature change of the at least one heating element.
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