Method and apparatus for active isolation in inductive loop detectors
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United States of America Patent
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Oct 12, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jul 5, 2002
filing date -
Jan 5, 2000
priority date (Note) -
Expired
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Abstract
An oscillator circuit for use with a wire-loop inductive sensor and method for use. The oscillator circuit highly attenuates common-mode noise detected by the wire-loop and differential noise from both ambient and crosstalk sources are filtered by active isolation.
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