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:
Apr. 04, 2017
Filed:
Sep. 07, 2005
Sung Kyun Chang, Daejeon, KR;
Jae Hyun Lee, Daejeon, KR;
Joon Hwan Lee, Daejeon, KR;
Soo Hyun Ha, Busan, KR;
Jeong Ju Cho, Daejeon, KR;
Sung Kyun Chang, Daejeon, KR;
Jae Hyun Lee, Daejeon, KR;
Joon Hwan Lee, Daejeon, KR;
Soo Hyun Ha, Busan, KR;
Jeong Ju Cho, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed are a safety device and a secondary battery using the same. The safety device includes a voltage sensitive heating device generating heat when a voltage difference between both ends thereof exceeds a predetermined voltage level and a temperature sensitive device having a reversible current ON/OFF function according to a temperature. The temperature sensitive device is coupled with the voltage sensitive heating device such that the temperature sensitive device detects the heat generated from the voltage sensitive heating device.