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.:

US 6686722 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 03, 2004

Filed:

Mar. 27, 2002
Applicant:
Inventors:

Atsushi Watanabe, Tsuna-gun, JP;

Mikitaka Tamai, Tsuna-gun, JP;

Hiroki Teraoka, Mihara-gun, JP;

Assignee:

Sanyo Electric Co., Ltd., Moriguchi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/046 ;
U.S. Cl.
CPC ...
H01M 1/046 ;
Abstract

The battery pack has batteries, a printed circuit board with battery protection circuit components mounted on it, and a circuit breaker contained in a case. The circuit breaker switches off if excessive current flows in the batteries, or if battery temperature exceeds a specified temperature. The circuit breaker has a plurality of solder terminals attached to its casing, and one or a plurality of the solder terminals are attached to the printed circuit board by solder re-flow. The printed circuit board is connected to the batteries via leads and is disposed in a fixed position inside the case. The circuit breaker is mounted in a fixed position inside the case via the printed circuit board.


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