Microprocessor controlled portable heating system
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United States of America Patent
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Jan 17, 2006
Grant Date -
Nov 20, 2003
app pub date -
Jan 22, 2003
filing date -
May 14, 2002
priority date (Note) -
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Abstract
A heating system including a power supply and a heating element for conducting a current from the power supply. A temperature sensing device is adopted to detect a temperature of the heating element, and a switch is connected in a circuit containing the power supply and the heating element to switch the current on or off. Further, a microprocessor produces a pulse-width-modulated signal as a function of the detected temperature, where the pulse-width-modulated signal drives the switch.
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