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:
Dec. 29, 1998
Filed:
Apr. 08, 1997
Applicant:
Inventors:
Tomoaki Tadokoro, Shiga-ken, JP;
Akira Mizoi, Shiga-ken, JP;
Shinji Omura, Ohmihachiman, JP;
Tomomi Okada, Youkaichi, JP;
Osamu Watanabe, Hikone, JP;
Assignee:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ; F24D / ; H01C / ;
U.S. Cl.
CPC ...
219540 ; 219505 ; 392347 ; 338 / ;
Abstract
A PTC (positive temperature coefficient) thermistor heating apparatus includes two or more heating blocks, each heating block including a PTC thermistor and radiating elements disposed in contact with at least two surfaces of the PTC thermistor; an elastic element disposed between the heating blocks; and insulating elements for holding portions of the radiating elements at the ends of the heating blocks; wherein the heating blocks are biased from each other by an elastic force of the elastic element.