The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2023
Filed:
Jul. 15, 2020
Altria Client Services Llc, Richmond, VA (US);
Niall Gallagher, Richmond, VA (US);
Terrance Theodore Bache, Richmond, VA (US);
Rangaraj S. Sundar, Richmond, VA (US);
Jarrett Keen, Richmond, VA (US);
Raymond W. Lau, Richmond, VA (US);
Eric Hawes, Midlothian, VA (US);
Altria Client Services LLC, Richmond, VA (US);
Abstract
The heating engine control circuit includes a rail converter circuit and a gate driver circuit. The rail converter circuit is configured to convert a power supply voltage into a power signal based on a vaping enable signal, the vaping enable signal being a pulse width modulated signal. The gate driver circuit includes an integrated gate driver. The integrated gate driver is configured to control application of power to a heater to heat nicotine pre-vapor formulation drawn from a nicotine reservoir at the nicotine electronic vaping device based on the power signal, a first enable signal and a second enable signal.