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:
Oct. 20, 2015
Filed:
Dec. 02, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Inventors:
Kun-mo Chu, Seoul, KR;
Dong-earn Kim, Seoul, KR;
Sang-eui Lee, Hwaseong-si, KR;
Dong-ouk Kim, Pyeongtaek-si, KR;
Ha-jin Kim, Hwaseong-si, KR;
Sung-hoon Park, Seoul, KR;
Min-jong Bae, Yongin-si, KR;
Yoon-chul Son, Hwaseong-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); H01C 7/02 (2006.01); H01C 7/04 (2006.01); H05B 1/02 (2006.01);
U.S. Cl.
CPC ...
H01C 7/021 (2013.01); G03G 15/206 (2013.01); G03G 15/2057 (2013.01); H01C 7/041 (2013.01); H05B 1/0241 (2013.01); G03G 2215/2035 (2013.01); H05B 2203/019 (2013.01); H05B 2203/02 (2013.01);
Abstract
A resistance heating element includes a positive temperature coefficient resistance heating layer having a positive temperature coefficient, and a negative temperature coefficient resistance heating layer, which is connected to the positive temperature coefficient resistance heating layer and has a negative temperature coefficient.