Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Patent
1998-05-06
2000-03-28
Nasser, Robert L.
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
600322, 600323, A61B 500
Patent
active
060442832
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.
REFERENCES:
patent: 5645059 (1997-07-01), Fein
patent: 5779630 (1998-07-01), Fein
Bernstein Michael J.
Bowden Charles H.
Fein Michael E.
Jenkins David C.
Merchant Adnan I.
Nasser Robert L.
Nellcor Puritan Bennett Incorporated
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