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:
Aug. 16, 1994
Filed:
Dec. 21, 1992
Applicant:
Inventors:
Fumiaki Tagashira, Kyoto, JP;
Shigeo Ota, Kyoto, JP;
Shinya Yukawa, Kyoto, JP;
Shingo Ooyama, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219543 ; 219539 ; 219216 ; 338309 ;
Abstract
A heater for a sheet material comprises an insulating substrate, and a plurality of heating resistor strips formed on the substrate to extend in parallel to each other between first and second common electrodes. At least one of the resistor strips is electrically connected to both of the first and second common electrodes while at least another of the resistor strips is electrically separated from the first common electrode.