Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Reexamination Certificate
2007-03-20
2007-03-20
Winakur, Eric F. (Department: 3768)
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
C600S330000, C600S336000
Reexamination Certificate
active
10786938
ABSTRACT:
A method for use in operating a signal attenuation measurement device used to obtain a physiological parameter of a patient and an apparatus for use in determining at least one physiological parameter relating to a patient from at least first and second signals transmitted to a patient tissue site and attenuated thereby are provided. In accordance with the method and apparatus of the present invention, the first and second signals are multiplexed using frequency orthogonal code division multiplexed excitation waveforms. This allows for both relatively good source separation of the signals and whitening of external noise.
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General Electric Company
Lin Jack
Marsh & Fischmann & Breyfogle LLP
Winakur Eric F.
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