Medical sensor with modulated encoding scheme
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United States of America Patent
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Mar 28, 2000
Issued Date -
N/A
app pub date -
May 6, 1998
filing date -
Dec 17, 1993
priority date (Note) -
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Abstract
The present invention provides an encoding mechanism for a medical sensor which uses a modulated signal to provide the coded data to a remote analyzer. The modulated signal could be, for instance, a pulse width modulated signal or a frequency modulated signal. This signal is amplitude independent and thus provides a significant amount of noise immunity.
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