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. 24, 2022
Filed:
Jan. 26, 2017
Sony Interactive Entertainment Inc., Tokyo, JP;
Tsuyoshi Ohashi, Tokyo, JP;
Sony Interactive Entertainment Inc., Tokyo, JP;
Abstract
An electrical device having a plurality of parallel-connected built-in rechargeable batteries includes a power supply terminal and a charging circuit. The power supply terminal receives electrical power supplied from the outside of the electrical device. The charging circuit executes charge control so as to charge the plurality of rechargeable batteries using the electrical power supplied from the outside. During the execution of the charge control, the charging circuit interrupts charging of any one of the plurality of rechargeable batteries in accordance with a magnitude of a charging current flowing to each of the plurality of rechargeable batteries.