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:
Dec. 28, 2021
Filed:
Oct. 22, 2020
Japan Tobacco Inc., Tokyo, JP;
Keiji Marubashi, Tokyo, JP;
JAPAN TOBACCO INC., Tokyo, JP;
Abstract
A power supply unit for an aerosol inhaler includes: a first element having a first electric resistance value connected in series to a load; a second series circuit including a second element having a second electric resistance value and a third element connected in series to the second element and having a third electric resistance value, and connected in parallel with a first series circuit including the load and the first element; an operational amplifier in which one of a non-inverting input terminal and an inverting input terminal is connected to the first series circuit, and the other of the non-inverting input terminal and the inverting input terminal is connected to the second series circuit; and a heating circuit capable of supplying the load with a current larger than a current flowing through the load when a current flows through the first series circuit and the second series circuit.