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. 07, 2009
Filed:
Jul. 01, 2004
Hiroyuki Koyama, Narita, JP;
Arata Tanaka, Ryugasaki, JP;
Hiroyuki Koyama, Narita, JP;
Arata Tanaka, Ryugasaki, JP;
Tyco Electronics Raychem K.K., Kanagawa, JP;
Abstract
A PTC device is provided which is capable of surely functioning as the PTC device even in a wiring through which a large current flows. A combined PTC device () is composed of two PTC devices each containing a lamellar PTC element () which is composed of a polymeric PTC material and a pair of electrodes (and) which are arranged apart from each other on one side of the PTC element. The electrodes () of one PTC device are respectively opposite to the electrodes () of the other PTC device, and terminals () are arranged between the respective opposite electrodes. The respective opposite electrodes and the terminal between them are electrically connected with each other.