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:
Oct. 01, 2002
Filed:
Dec. 20, 2000
Applicant:
Inventor:
Shingo Kawashima, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 ;
U.S. Cl.
CPC ...
H02J 7/00 ;
Abstract
A cell balance adjusting circuit includes a series connection of basic cells; and a voltage holder connected through a switching circuit to individual terminals of the basic cells, wherein the switching circuit shows a switching operation to provide a parallel connection between an intermediate point between adjacent two of the basic cells and the voltage holder, and the switching circuit shows a unidirectional sequential scanning of the switching operation to all of the basic cells, and the switching circuit repeats the unidirectional sequential scanning.