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. 13, 1998
Filed:
Aug. 20, 1996
Applicant:
Inventor:
Kenji Takamoro, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320 / ; 320 49 ;
Abstract
A battery pack of the present invention and uses a lithium ion secondary battery and is capable of adjusting the output voltage when temperature around the battery pack is low and causes the voltage of the secondary battery to drop. Therefore, the battery pack outputs a constant voltage on its output terminal without regard to the ambient atmospheric temperature.