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:
Jun. 15, 2010
Filed:
Oct. 22, 2004
Hiromitsu Sennami, Fukushima, JP;
Kazuhiko Takahashi, Fukushima, JP;
Daiki Misawa, Fukushima, JP;
Bunya Sato, Fukushima, JP;
Takayuki Aita, Fukushima, JP;
Hiromitsu Sennami, Fukushima, JP;
Kazuhiko Takahashi, Fukushima, JP;
Daiki Misawa, Fukushima, JP;
Bunya Sato, Fukushima, JP;
Takayuki Aita, Fukushima, JP;
Sony Corporation, Tokyo, JP;
Abstract
A battery pack having a secondary battery is disclosed. The battery pack comprises at least one voltage converter; and switching means for switching an operation mode of the voltage converter to one of a charging mode and a discharging mode, in the charging mode, a charging voltage being output to the secondary battery, in the discharging mode, a voltage of the secondary battery being converted into a predetermined discharging voltage and the converted voltage being output.