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:
Jan. 05, 2016
Filed:
Dec. 26, 2011
Hiroshi JO, Saitama, JP;
Kazuyuki Sashida, Saitama, JP;
Hiroshi Jo, Saitama, JP;
Kazuyuki Sashida, Saitama, JP;
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
To provide a cell balance circuit and a cell balance apparatus with a low cost and with a compact size, and configured to equalize the charge voltages of rechargeable batteries when the rechargeable batteries are charged or discharged, while suppressing deterioration of the rechargeable batteries. A cell balance circuit AA includes a transformer T, a switch SWarranged so as to form a set with a rechargeable battery BT, and a switch SWarranged so as to form a set with a rechargeable battery BT. The transformer T includes a primary winding Wa arranged so as to form a set with the rechargeable battery BT, and a secondary winding Wb arranged so as to form a set with the rechargeable battery BT. When the rechargeable batteries BTand BTare charged or discharged, the cell balance circuit AA synchronously controls the switches SWand SW