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:
Mar. 25, 2003
Filed:
Apr. 07, 1999
Applicant:
Inventors:
Shou-Mean Fang, Shanghai, CN;
Takashi Hasunuma, Tamazukuri Narita City, Chiba, JP;
Noriyuki Nagashima, Naritashi, Chiba 286-0013, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 ;
U.S. Cl.
CPC ...
H02J 7/04 ;
Abstract
A temperature-sensing apparatus which is placed in contact with a plurality of batteries, e.g. secondary batteries, connected in series. The temperature sensing apparatus can be connected to a power source and a current measuring device to detect increases in the temperature of the battery. Each temperature-sensing section in contact with individual secondary batteries comprises a PTC element and electrode sheets in contact with and sandwiching the PTC element on the top and bottom, the electrode sheets being in a staggered and overlapping relationship.