Fusing device, image forming apparatus having the same, and control method thereof
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United States of America Patent
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May 21, 2013
Grant Date -
Jun 30, 2011
app pub date -
Dec 22, 2010
filing date -
Dec 24, 2009
priority date (Note) -
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status (Latency Note)
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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.
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