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. 27, 2013
Filed:
Feb. 12, 2010
Akihiko Kudo, Hitachinaka, JP;
Gosuke Shibahara, Chiba, JP;
Mutsumi Kikuchi, Mito, JP;
Satoru Shigeta, Hitachinaka, JP;
Akihiko Kudo, Hitachinaka, JP;
Gosuke Shibahara, Chiba, JP;
Mutsumi Kikuchi, Mito, JP;
Satoru Shigeta, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Vehicle Energy, Ltd., Hitachinaka-shi, JP;
Abstract
A battery system includes: a battery unit formed by electrically connected in series a plurality of cell groups each made up with a plurality of battery cells electrically connected in series; a plurality of sensing lines for detecting voltages of respective battery cells in the battery unit; an integrated circuit provided to each of the cell group, to which the sensing lines for detecting voltages of respective battery cells in the cell group are connected; a case having housed therein a substrate at which a plurality of integrated circuits provided for the cell groups respectively are mounted; noise protection capacitors disposed between input terminals of the plurality of sensing lines; and at least one protection element against static electricity which is connected between the input terminals and the case.