Coupling of multiple physiological signals across an isolation b

Details Coupling of multiple physiological signals across an isolation b Coupling of multiple physiological signals across an isolation b

1982-03-19

1984-07-24

Kamm, William E.

Surgery

Truss

Pad

128903, 128908, A61B 500

Patent

active

044613024

ABSTRACT:
A system for coupling a plurality of physiological signals across an isolation barrier. A plurality of physiological signals received at a number of signal inputs on the isolated side of the barrier are sampled during separate time periods and coupled to the primary winding of a transformer. The direction of signal flow through the primary winding is reversed during each said period. A pair of serial pulses of opposed polarities are induced in the secondary winding for each sampled signal. The pairs of serial pulses induced in the secondary winding are reconverted to the plurality of physiological signals on the non-isolated side of the barrier.

REFERENCES:
patent: 3888261 (1975-06-01), Maurer
patent: 4044775 (1977-08-01), McNichols

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