Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2007-03-27
2007-03-27
Pelham, Joseph (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S483000, C219S486000, C399S069000, C307S029000, C307S048000
Reexamination Certificate
active
10487939
ABSTRACT:
A heating device of the invention comprises a heater, a main power supply, and an auxiliary power supply. The heater includes a main heating element which generates heat with power supplied from the main power supply, and an auxiliary heating element which has a resistance different from a resistance of the main heating element and generates heat with power supplied from the auxiliary power supply. The auxiliary power supply is provided to supply to the auxiliary heating element a current that is different from a current supplied from the main power supply to the main heating element.
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Fujita Takashi
Kishi Kazuhito
Konno Eriko
Matsusaka Susumu
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pelham Joseph
Ricoh & Company, Ltd.
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