Heater controller system for a fusing apparatus of a xerographic printing system
AssigneeXerox Corporation
InventorTab Alan Tress
Life of this patent
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Abstract
A heater controller system for a fusing apparatus configured for fusing marking material to a substrate in a printing system includes a power source for supplying power to a heating element having at least two sections. The controller system further includes at least one switch configured to selectively control at least two bidirectional switches for selectively providing current supplied by the power source to at least one of the at least two sections during operation of said heater controller system in one of at least two modes of operation, each of the at least two modes of operation corresponds to a particular size of said substrate.
Claims18
A heater controller system for a fusing apparatus configured for fusing marking material to a substrate in a printing system, said heater controller system comprising:
- a heating element having at least two sections;
- a power source for supplying power to said heating element wherein the power source provides an AC waveform;
- and
- at least one unidirectional switch configured to selectively control at least two bidirectional switches for selectively providing current supplied by the power source to at least one of the at least two sections during operation of said heater controller system in one of at least two modes of operation, each of the at least two modes of operation corresponds to a particular size of said substrate,
- wherein the heater control system is configured such that when power is provided to at least one of the at least two sections of the heating clement via a first half of the AC waveform, power is provided to at least another of the at least two sections of the heating element via a second half of the AC waveform.
A heater controller system for a fusing apparatus configured for fusing marking material to a substrate in a printing system, said heater controller system comprising:
- a first heating element having at least two sections;
- a second heating element having at least two sections;
- a power source for supplying power to the first and second heating elements wherein the power source provides an AC waveform;
- and
- at least two unidirectional switches configured to selectively control at least two bidirectional switches for selectively providing current supplied by the power source to at least one section of the at least two sections of at least one of the first and second heating elements during operation of said heater controller system in one of at least two modes of operation, each of the at least two modes of operation corresponds to a particular size of said substrate,
- wherein the heater control system is configured such that when power is provided via a first half of the AC waveform to at least one of the at least two sections of one of the first heating element and the second heating element, power is provided via a second half of the AC waveform to at least another of the at least two sections of one of the first heating element and the second heating element, respectively.
A xerographic printing system comprising:
- a fusing apparatus configured for fusing marking material to a substrate;
- and
- a heater controller system comprising:
- a heating element having at least two sections;
- a power source for supplying power to said heating element wherein the power source provides an AC waveform;
- and
- at least one unidirectional switch configured to selectively control at least two bidirectional switches for selectively providing current supplied by the power source to at least one of the at least two sections during operation of said heater controller system in one of at least two modes of operation, each of the at least two modes of operation corresponds to a particular size of said substrate provided to said fusing apparatus,
- wherein the heater control system is configured such that when power is provided via a first half of the AC waveform to at least one of the at least two sections of the heating element, power is provided via a second half of the AC waveform to at least another of the at least two sections of the heating element, respectively.
A xerographic printing system comprising:
- a fusing apparatus configured for fusing marking material to a substrate;
- and
- a heater controller system comprising:
- a first heating element having at least two sections;
- a second heating element having at least two sections;
- a power source for supplying power to the first and second heating elements wherein the power source provides an AC waveform;
- and
- at least two unidirectional switches configured to selectively control at least two bidirectional switches for selectively providing current supplied by the power source to at least one section of the at least two sections of at least one of the first and second heating elements during operation of said heater controller system in one of at least two modes of operation, each of the at least two modes of operation corresponds to a particular size of said substrate provided to said fusing apparatus,
- wherein the heater control system is configured such that when power is provided via a first half of the AC waveform to at least one of the at least two sections of one of the first heating element and the second heating element, power is provided via a second half of the AC waveform to at least another of the at least two sections of one of the first heating element and the second heating element, respectively.
Dependencies are inferred from the claim text.