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.

Date of Patent:
Jun. 05, 2018

Filed:

Nov. 11, 2015
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Takanori Yamazoe, Tokyo, JP;

Kei Sakabe, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 11/18 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1861 (2013.01); B60L 11/1803 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/92 (2013.01); Y02T 90/16 (2013.01);
Abstract

A radio battery system according to the present invention includes a battery controller and a plurality of cell controllers. The battery controller and the plurality of cell controllers communicate at a plurality of communication slots of a time division communication. The battery controller transmits data at a beginning of each of the plurality of communication slots. Each of the cell controllers measures a state of a cell at one or plurality of predetermined communication slots and transmits data at a predetermined communication slot. Each of the cell controllers is capable of switching between a normal transmission/reception mode and a sleep mode with a low power consumption.


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