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:
Oct. 28, 2025
Filed:
Apr. 20, 2021
Kt&g Corporation, Daejeon, KR;
Yong Hwan Kim, Gyeonggi-do, KR;
Sung Wook Yoon, Gyeonggi-do, KR;
Seung Won Lee, Gyeonggi-do, KR;
Dae Nam Han, Seoul, KR;
KT&G CORPORATION, Daejeon, KR;
Abstract
An aerosol generating device includes: a heater configured to heat an aerosol generating material to generate an aerosol; a battery configured to supply power to the heater; a controller configured to determine an operating state of the aerosol generating device divided into a heating state and a non-heating state; a first circuit unit configured to control operation of the heater; and a second circuit unit configured to control charging and discharging of the battery, wherein the controller communicates with the first circuit unit in the heating state, communicates with the second circuit unit in the non-heating state, and, on the basis of a result of the communication, determines whether or not an abnormality has occurred according to the operating state of the aerosol generating device, thus allowing a safety accident of the aerosol generating device to be prevented in advance.