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:
Feb. 12, 2019
Filed:
Jun. 28, 2016
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Akihiko Kudo, Hitachinaka, JP;
Mutsumi Kikuchi, Mito, JP;
Gosuke Shibahara, Vancouver, CA;
Akihiko Emori, Hitachi, JP;
Yasuo Uemura, Naka, JP;
Tatsumi Yamauchi, Hitachiota, JP;
Kenji Kubo, Hitachi, JP;
Masahito Sonehara, Fuchu, JP;
Masahiko Amano, Hitachiota, JP;
Yoshinori Aoshima, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
A battery monitoring system, comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on respective cell voltages of the plurality of battery cells, and a control circuit that monitors state of a battery cell, based on each cell voltage of the plurality of battery cells. The control circuit inputs pseudo voltage information to the battery state detection circuit, and thereby diagnoses whether or not the battery state detection circuit is operating normally.