Measuring current through an electrical conductor
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United States of America Patent
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-
Jan 20, 2004
Grant Date -
Aug 28, 2003
app pub date -
Feb 27, 2002
filing date -
Feb 27, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A coil includes a first portion, a second portion, a third portion, and a fourth portion. The first portion is wound in a first direction around a first core and the second portion is wound in the first direction around a second core. The third portion is wound in a second direction that is different from the first direction around a third core such that the third portion is decoupled from the first and second portions. Additionally, the fourth portion is wound in the second direction around a fourth core and decoupled from the first and second portions. An inner area is formed by arranging the portions and a voltage is induced in the coil if an electrical conductor is placed in the inner area.
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