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:
Aug. 17, 2004
Filed:
Dec. 27, 2002
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 ; H02J 7/16 ;
U.S. Cl.
CPC ...
H02J 7/00 ; H02J 7/16 ;
Abstract
A charge control means ( ) provided for a battery charging apparatus ( ) conducts protection control for a battery pack ( ) by transmitting a signal to an output control switch ( ) for turning off an output when a rise rate of the temperature of the battery pack ( ) detected based on information from a temperature detection terminal ( ) is equal to or more than a predetermined value, or a rise rate of the voltage of the battery pack ( ) detected based on information from a voltage detection terminal ( ) is equal to or less than a predetermined value.