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.:

US 6850728 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 01, 2005

Filed:

Apr. 16, 2003
Applicants:

Ichiro Yokozeki, Kanagawa-ken, JP;

Takayuki Ogasawara, Kanagawa-ken, JP;

Takaaki Tanaka, Kanagawa-ken, JP;

Toshiya Suzuki, Kanagawa-ken, JP;

Inventors:

Ichiro Yokozeki, Kanagawa-ken, JP;

Takayuki Ogasawara, Kanagawa-ken, JP;

Takaaki Tanaka, Kanagawa-ken, JP;

Toshiya Suzuki, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1520 ;
U.S. Cl.
CPC ...
Abstract

An induction heating roller apparatus has a heating roller capable of switching among a plurality of heating areas of different lengths according to a size of an object to be heated, a plurality of first induction coils opposed to a plurality of heating areas of the heating roller, and second induction coils placed opposite a part astride adjacent heating areas of the heating roller. A high frequency power supply provides high frequency power to the first and second induction coils. High frequency output is selectively supplied to the first induction coils and the second induction coils.


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