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. 18, 2000
Filed:
Jul. 17, 1998
Applicant:
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320108 ; 320113 ; 320115 ;
Abstract
A battery pack comprises at least one rechargeable battery, a secondary coil which is magnetically coupled to a primary coil housed in a charging stand, and a control circuit which controls power induced in the secondary coil and charges the rechargeable battery. Alternating current (AC) generated in the secondary coil housed in the battery pack is controlled by the control circuit to charge the rechargeable battery.