Medical sensor with amplitude independent output

Details Medical sensor with amplitude independent output Medical sensor with amplitude independent output

G - Physics

08

C

G08C 19/00 (2006.01) A61B 5/145 (2006.01) A61B 5/1455 (2006.01)

Patent

CA 2589039

The present invention provides a medical sensor for detecting a blood characteristic. The sensor includes a transducer for producing an analog signal related to the blood characteristic. The analog signal is converted into a transmission signal which is in amplitude-independent form for transmission to a remote analyzer. In one embodiment, a current-to-frequency converter converts a signal from a pulse oximeter sensor into a frequency signal which can be transmitted over a transmission line to a remote pulse oximeter.

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