CURRENT-LIMITING CIRCUIT WITH AT LEAST TWO VOLTAGE TAPS
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Dec 5, 2008
filing date -
Dec 5, 2007
priority date (Note) -
Abandoned
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Abstract
A current-limiting circuit, which limits an electrical current from a voltage source to a consumer to a predetermined maximum current. At least one measuring resistor (110) is connected in a current lead (14) between a circuit input (12) and a circuit output (16). At least two current control elements (100, 100'; 106, 106') are connected in series to the at least one measuring resistor (110), each of these elements having a voltage-dependent control unit (100, 100'; 116, 116') allocated to it. Each control unit (100, 100'; 116, 116') is connected to a voltage tap (112, 114; 112', 114') that is allocated to it and taps a voltage drop across the one measuring resistor (110), such that the plurality of voltage taps (112, 114; 112' 114'), which are allocated respectively to the various control units (100, 100'; 106, 106'), tap the voltage drop across the one measuring resistor (110).
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