Device for prompting a controller
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United States of America Patent
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-
Mar 27, 2007
Grant Date -
Feb 3, 2005
app pub date -
Jul 2, 2004
filing date -
Jul 5, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for prompting a controller in a vehicle to switch the controller from a normal operating state into an idle state includes a prompting device which switches a power supply through to the controller when activated to bring it into the normal operating state. The prompting device is connected in series to a first condenser and a resistor between power supply lines. A central tap between the first condenser and the resistor is connected directly or indirectly with the control input of a first transistor. An output of the first transistor is connected directly or indirectly with a control input of a second transistor that switches the supply current for the controller to be prompted. A connection line led back from the second transistor to the node between central tap and control input of the first transistor.
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