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. 14, 2017
Filed:
Apr. 27, 2012
Akihiko Kudo, Hitachinaka, JP;
Mutsumi Kikuchi, Hitachinaka, JP;
Tomonori Kanai, Hitachinaka, JP;
Tatsumi Yamauchi, Hitachinaka, JP;
Akihiro Machida, Hitachinaka, JP;
Akihiko Kudo, Hitachinaka, JP;
Mutsumi Kikuchi, Hitachinaka, JP;
Tomonori Kanai, Hitachinaka, JP;
Tatsumi Yamauchi, Hitachinaka, JP;
Akihiro Machida, Hitachinaka, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Abstract
A battery monitoring device for monitoring a cell group made by connecting a plurality of single battery cells in series includes a reference voltage generation circuit configured to generate a variable reference voltage, a switching circuit configured to select, as a measurement target voltage, any one of a plurality of types of voltages including the cell voltages of the single battery cells in the cell group and the reference voltage, and an AD converter configured to measure the measurement target voltage which is selected by the switching circuit, and output a digital signal according to the measurement result.