Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2005-06-28
2005-06-28
Paschall, Mark (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C219S486000, C219S495000, C219S508000, C219S538000
Reexamination Certificate
active
06911627
ABSTRACT:
A heating element device has a laminate of a plurality of heating element plates, each of the heating element plates having an insulator and a resistor, which is capable of generating heat upon the supply of electric power, provided on the insulator. The plurality of heating element plates are each independently controllable with respect to energization. The heating element device also has a temperature detection plate having an insulator and a resistor, capable of undergoing a change in resistance value upon a change in temperature, provided on the insulator.
REFERENCES:
patent: 5376773 (1994-12-01), Masuda et al.
patent: 5973299 (1999-10-01), Reader, Jr.
patent: 6172343 (2001-01-01), Nothe et al.
Oguma Takefumi
Watanabe Nobutaka
NEC Corporation
Paschall Mark
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