Intensity modulation type optical sensor and optical current/voltage sensor
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United States of America Patent
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Feb 2, 2010
Grant Date -
Apr 9, 2009
app pub date -
Mar 1, 2006
filing date -
Mar 8, 2005
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Abstract
, a normalized reference signal Xr is acquired from a ratio of an AC component Ar and a DC component Dr of the reference signal, and the normalized reference signal Xr is subtracted from the normalized received signal Xs, thereby reducing noises and improving the accuracy.
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