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:
Dec. 01, 2015

Filed:

Mar. 03, 2014
Applicant:

Seiko Instruments Inc., Chiba-shi, Chiba, JP;

Inventors:

Takashi Ono, Chiba, JP;

Toshiyuki Koike, Chiba, JP;

Satoshi Abe, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/42 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H01M 10/4257 (2013.01); H02J 7/0029 (2013.01); H02J 2007/0039 (2013.01);
Abstract

Provided is a battery device with high safety, which has improved accuracy of overcurrent detection. In the battery device, an overcurrent detection terminal of a battery state monitoring circuit is connected to a node between a discharge control switch and a charge control switch via a resistor.


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