MONITORING DEVICE AND METHOD FOR MONITORING A LINE SECTION USING A MONITORING DEVICE
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jan 16, 2013
filing date -
Jan 16, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A monitoring device is provided that includes a first line section with a first connection point and a second connection point spaced apart from the first connection point in the direction of the line, and with a control unit and with a first current sensing unit, having a current source. A first switch is inserted into the first connecting line and connects the first current source to the first connection point or disconnects it therefrom. In a first state the first switch is closed and the first current is impressed on the first line section and a first voltage determined by the amplitude of the actual current, and in a second state the first switch is open and a second voltage is determined, and the control unit is configured to ascertain the amplitude of the first actual current from the two voltages.
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