Portable device for measuring heartbeat rate with compensation f

Details Portable device for measuring heartbeat rate with compensation f Portable device for measuring heartbeat rate with compensation f

1979-12-31

1981-12-29

Michell, Robert W.

Surgery

Truss

Pad

128722, A61B 502

Patent

active

043077285

ABSTRACT:
A device mounted on and coupled to the body of the wearer for measuring and visually displaying the pulse rate or other body functions. A primary sensor is positioned on the skin at a position to sense arterial pressure variations and generate a pulse signal responsive thereto while a secondary sensor is positioned close by to generate signals due to extraneous influences of the body and environment. These extraneous signals are subtracted from the pulse signal to increase the accuracy thereof.

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patent: 4120296 (1978-10-01), Prinz
patent: 4182315 (1980-01-01), Vas et al.
patent: 4202350 (1980-05-01), Walton

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