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:
Jun. 08, 2021
Filed:
Sep. 09, 2016
Sony Corporation, Tokyo, JP;
Tomonori Tsuchiyama, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A communication amount and a processing load of an external circuit of a power supply management integrated circuit are reduced. The power supply management integrated circuit includes a state determination unit and a battery remaining quantity measurement unit. In the power supply management integrated circuit, the state determination unit determines which one of a plurality of states corresponding to different cycles a charge/discharge state of a battery falls under. Furthermore, in the power supply management integrated circuit, the battery remaining quantity measurement unit measures a battery remaining quantity of the battery each time when the cycle according to the state of charge/discharge state of the battery determined by the state determination unit elapses.