Electrophotography – Diagnostics – Fixing
Reexamination Certificate
2009-05-19
2011-11-29
Tran, Hoan (Department: 2884)
Electrophotography
Diagnostics
Fixing
C399S069000, C399S122000, C399S329000
Reexamination Certificate
active
08068749
ABSTRACT:
A fixing apparatus according to one embodiment of the present invention includes a rotating hot roller, a rotating pressure roller, a heating belt that contacts the hot roller and conducts heat, a first support roller and a second support roller that are heated by a heat source, support the heating belt suspended therebetween, and conduct heat to the heating belt, a first temperature detection device that detects a first temperature of an area of the first support roller where it contacts the heating belt or an area of the heating belt where it contacts the first support roller, a second temperature detection device that detects a second temperature of an area of the second support roller where it contacts the heating belt or an area of the heating belt where it contacts the second support roller, and a device for detecting rotation stoppage of one of the support rollers.
REFERENCES:
patent: 7684746 (2010-03-01), Asakura et al.
patent: 7725047 (2010-05-01), Maeda et al.
patent: 2007/0212094 (2007-09-01), Asakura et al.
patent: 2005-292714 (2005-10-01), None
patent: 2007-241180 (2007-09-01), None
Birch & Stewart Kolasch & Birch, LLP
Sharp Kabushiki Kaisha
Tran Hoan
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