Current-sense resistor
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United States of America Patent
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Nov 11, 2014
Issued Date -
N/A
app pub date -
Aug 24, 2011
filing date -
Aug 26, 2010
priority date (Note) -
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Abstract
The invention relates to a current-sensing resistor (1) for measuring an electric current, in particular also for measuring a battery current in a vehicle power supply, having a plate-shaped first connecting part (3) for introducing the electrical current to be measured, wherein the plate-shaped first connecting part (3) consists of an electrically conductive conductor material; a plate-shaped second connecting part (2) for conducting away the electrical current to be measured, wherein the plate-shaped second connecting part (2) consists of an electrically conductive conductor material; and a plate-shaped resistance element (4), which is connected in the current path between the two connecting parts and through which the electrical current to be measured flows, wherein the resistance element (4) consists of a comparatively high-impedance resistance material. According to the invention an incision (10, 11) is arranged in the plate-shaped first connecting part (3) and/or in the plate-shaped second connecting part (2) in order to reduce the temperature dependency of the measurement and to eliminate the influence of the plate-shaped connecting parts (usually copper or aluminum).
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