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:
Nov. 09, 1999
Filed:
Apr. 07, 1998
Applicant:
Inventor:
Yasuhito Eguchi, Kanagawa, JP;
Assignee:
Sony Chemicals Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320128 ; 320134 ; 320136 ;
Abstract
Power is supplied to electronic equipment from a battery pack unit by the control of the battery pack unit. A plurality of battery packs are attached to a personal computer. The battery packs each compare the voltage of the personal computer with the voltage of a battery built in its own battery pack. Upon comparison, charging FETs and discharging FETs provided for the battery packs are independently switched on or off. Accordingly, the battery packs simultaneously supply power to the personal computer.
Eguchi, Yasuhito. (1999). Battery pack unit, control method therefor, electronic equipment driven (U.S. Patent No. 5982145). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5982145
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