Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2007-03-13
2008-10-28
Paschall, Mark H (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C219S497000, C219S505000, C338S0220SD, C374S001000, C374S100000
Reexamination Certificate
active
07442902
ABSTRACT:
The adaptive temperature controller includes an ambient temperature sensor, a device for measuring resistance, an electrically-conductive material, a power supply, and a device for controlling power. In operation, the controller determines the resistance of material at or near ambient temperature. Based on such determination so long as voltage and power are known, the resistance of the material, and therefore its instant temperature is known. Additionally, the adaptive temperature controller determines the responsiveness of the electrically-conductive material to determine the predicted increase in temperature and rate of increase in temperature relative to increases in voltage, current or power. As a result the voltage or power may be instantly varied to produce near infinite control over material temperature.
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Mark H. Paschall, International Search Report - PCT/US07/63861, Aug. 7, 2008, 2 pages, United States Patent and Trademark Office as International Search Authority, Alexandria, Virginia US.
Mark H. Paschall, Written Opinion - PCT/US07/63861, Aug. 7, 2008, 2 pages, United States Patent and Trademark Office as International Search Authority, Alexandria, Virginia US.
Cai Huamin
Cowles Chris S.
Stearns Stanley D.
Crain Caton & James P.C.
Hudson III James E.
Paschall Mark H
Valco Instruments Co., Inc.
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