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. 03, 2004
Filed:
Jul. 29, 2002
Applicant:
Inventors:
Masaaki Tojo, Hirakata, JP;
Takatoshi Matsui, Higashiosaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 5/00 ;
U.S. Cl.
CPC ...
H05K 5/00 ;
Abstract
Firmware of a battery pack ( ) is stored in a rewritable storage device such as a flash memory ( ). When troubleshooting or performance improvement is needed, a personal computer main body (host equipment) ( ) obtains up-to-date firmware from a storage medium or the Internet, and transmits it to a battery pack ( ) via an SMBus ( ) using a firmware transfer device ( ). A firmware rewriting device ( ) of the battery pack ( ) rewrites the firmware stored in the flash memory ( ) on the basis of the up-to-date firmware.