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. 09, 2001
Filed:
Aug. 23, 1999
Applicant:
Inventor:
Yasuhito Eguchi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/076 ;
U.S. Cl.
CPC ...
H01M 1/076 ;
Abstract
A secondary battery needs to be protected by an inexpensive structure having a small number of components. To this end, the structure includes a fuse,with a heater, connected to a positive electrode side of a battery cell,, as a secondary battery, a driving FET,for driving the heater of the fuse,and a detection control IC,which, on detecting at least the over-charging state of the battery cell,, drives the driving FET,to fuse the heater of the fuse