Medical sensor with modulated encoding scheme

Details Medical sensor with modulated encoding scheme Medical sensor with modulated encoding scheme

1993-12-17

1997-07-08

Nasser, Jr., Robert L.

Surgery

Truss

Pad

128666, 356 41, A61B 500

Patent

active

056450591

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: 4178549 (1979-12-01), Ledenbach et al.
patent: 4253071 (1981-02-01), Underhill et al.
patent: 4446715 (1984-05-01), Bailey
patent: 4700708 (1987-10-01), New, Jr. et al.
patent: 4858615 (1989-08-01), Meinema
patent: 4897854 (1990-01-01), Harris et al.
patent: 5202682 (1993-04-01), Finger

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