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. 18, 2005
Filed:
May. 22, 2002
Tadao Kimura, Kobe, JP;
Toshiaki Nakanishi, Toyohashi, JP;
Tadao Kimura, Kobe, JP;
Toshiaki Nakanishi, Toyohashi, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A battery pack system is provided that can be replaced easily without modifying the side of an appliance using this battery pack system, on which charging is controlled by a voltage control, and includes a secondary battery with high performance that undergoes charging by a current control. A battery pack system is provided with a battery including at least one unit cell serving as a secondary battery with a positive electrode containing a nickel oxide as an active material, a detecting portion for detecting a battery state including a charging state in the battery, and a current adjusting portion, that is connected in series with the battery, for adjusting a charging current value according to the charging state detected by the detecting portion.