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:
Jul. 30, 2024
Filed:
Apr. 27, 2020
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Masaaki Kuranuki, Kyoto, JP;
Abstract
Cell selection circuit includes a plurality of first wiring switches, that selectively connect one of both ends of a selected cell to first wiring and at least one second wiring switch that selectively connects the other end of both the ends of the selected cell to second wiring. Clamp circuit includes clamp switches for forming a closed loop including inductor in a state where cell selection circuit does not select any cell. Controller turns on all of a plurality of switching elements forming a discharge path after the clamp state is ended, and then turns on a part of a plurality of switching elements constituting clamp switch before the state is switched to a next clamp state.