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:
Jul. 09, 2013
Filed:
Oct. 06, 2010
Applicants:
Atsushi Sakurai, Chiba, JP;
Shohei Tsukamoto, Chiba, JP;
Kazuaki Sano, Chiba, JP;
Inventors:
Assignee:
Seiko Instruments Inc., Chiba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H02J 7/04 (2006.01); H02J 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a battery state monitoring circuit with a small number of terminals and a battery device including the battery state monitoring circuit. An output of an overcharge detection circuit () is an open-drain output to a charge control terminal (), and an input terminal of a voltage detection circuit () is connected to the charge control terminal (), to thereby share a charger detection terminal and a charge control terminal.