Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2005-03-22
2005-03-22
Jeffery, John A. (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C219S216000, C399S069000, C399S335000
Reexamination Certificate
active
06870140
ABSTRACT:
A plurality of universal fuser heating apparatus embodiments are provided, each of which is capable of receiving any one of a number of input AC line voltages falling within at least two AC line voltage ranges. In each embodiment, the fuser heating apparatus has a first, low effective resistance corresponding to AC line voltages falling within low AC line voltage ranges and a second, high effective resistance corresponding to AC line voltages falling within high AC line voltage ranges.
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Cook William P.
DeMoor Mark K.
Harris Steven J.
Kietzman John W.
McClure Gregory H.
Jeffery John A.
Lexmark International Inc.
Stevens & Showalter LLP
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