Patent ID: 9351673
Filing Date: 2016-05-31
CPC Classification: A61B,H04J

Claim Text:
1. A pulse oximeter configured to measure one or more physiological characteristics of a living subject non-invasively by measuring pulsing light of two or more wavelengths after attenuation by body tissue, the pulse oximeter comprising: at least one emitter configured to emit light of at least two or more different wavelengths using a modulation scheme that cycles the at least two or more different wavelengths; at least one detector configured to detect the light of the at least two or more different wavelengths emitted from the at least one emitter after the light has been attenuated by tissue of the living subject, the detector further configured to generate a detector signal representative of the emitted light; at least one demodulation system configured to demodulate the detector signal and to generate a demodulated detector signal; an adaptive algorithm processor configured to: wherein each of the demodulation systems is configured to adjust its demodulation based on the at least one control signal to reduce crosstalk; at least one signal processor configured to use the demodulated detector signal to determine and display at least one physiological measurement; and the one or more inputs to the adaptive algorithm processor include at least one of: detector configuration data, calibration data, or a noise demodulated signal.