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 8447200 B1

PDF
Full Text
Expired
Date of Patent:
May. 21, 2013

Filed:

Dec. 22, 2010
Applicants:

Sok Won Paik, Jeonju-si, KR;

An Sik Jeong, Hwaseong-si, KR;

Inventors:

Sok Won Paik, Jeonju-si, KR;

An Sik Jeong, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

An induction heating type fusing device to reduce the size of an induction coil and an image forming apparatus having the same, and a control method thereof. The image forming apparatus includes a printing device to form an image on a recording medium, and a fusing device to fix the image to the recording medium. The fusing device includes a heating member arranged to transfer heat to the recording medium and having a main heater and a sub heater, and an induction coil having a width equal to or less than a width of the recording medium and arranged in an axial direction of the heating member to generate a magnetic field acting on the main heater. The sub heater is arranged inside the heating member to heat both ends of the main heater.


Find Patent Forward Citations

Paik, Sok. (2013). Fusing device, image forming apparatus having the same, and control method thereof (U.S. Patent No. 8447200). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8447200

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