Control unit and control device comprising the control unit
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United States of America Patent
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May 11, 2010
Grant Date -
Mar 6, 2008
app pub date -
Dec 7, 2004
filing date -
Dec 10, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A control device includes a control unit and an evaluation unit that is configured to generate a control signal by which the control unit is impinged upon. The control unit is provided with a voltage source and a reference resistor that can be connected in series to a sensor resistor whose value depends on the temperature thereof. An output voltage of the voltage source drops on the sensor resistor and the reference resistor in the connected state. The reference resistor is dimensioned in such a way that the maximum power loss of the sensor resistor lies in the specified value range of the sensor resistor.
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