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:
Aug. 09, 2022
Filed:
Dec. 13, 2019
Makita Corporation, Anjo, JP;
Hisakazu Okabayashi, Anjo, JP;
Yoshihiro Ishikawa, Anjo, JP;
MAKITA CORPORATION, Anjo, JP;
Abstract
A charging system in one aspect of the present disclosure includes a battery pack and a charger. The battery pack includes a battery and an information output circuit. The information output circuit outputs faulty state information in response to receiving a faulty state information request. The faulty state information indicates that the battery pack is in a first faulty state. The charger includes a charging power generation circuit, a charging control circuit, and a reception circuit. The charging control circuit transmits the faulty state information request. The reception circuit receives the faulty state information.