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:
May. 18, 2010
Filed:
Dec. 03, 2004
Applicants:
Satoshi Ishikawa, Haibara-gun, JP;
Kouichi Yamamoto, Susono, JP;
Inventors:
Satoshi Ishikawa, Haibara-gun, JP;
Kouichi Yamamoto, Susono, JP;
Assignee:
Yazaki Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switching circuit includes a capacitor, a combination battery having a plurality of unit cells connected in series, each of the unit cells containing battery, and a plurality of change-over switches sequentially connecting both ends of the each of the unit cells to the capacitor. The change-over switch has two semiconductor switches connected in series so that the source-drain directions thereof are oriented opposite to each other.