Method of and apparatus for testing and indicating relaxation st

Details Method of and apparatus for testing and indicating relaxation st Method of and apparatus for testing and indicating relaxation st

1980-09-03

1982-10-19

Howell, Kyle L.

Surgery

Truss

Pad

128905, A61B 504

Patent

active

043545050

ABSTRACT:
In a self-training biofeedback system, a physiological signal representing the state of relaxation of a person using the system is applied to a time counter to generate a binary count output representing the relaxation period. A visual indicator connected to the time counter provides the self trained person with a quick display of the measured time period so he can gauge the depth of his relaxation.

REFERENCES:
patent: 3837331 (1974-09-01), Ross
patent: 3967616 (1976-07-01), Ross
patent: 3978847 (1976-09-01), Fehmi et al.
patent: 4031883 (1977-06-01), Fehmi et al.
Winson, J., "A Simple Sleep Stage Detector for the Rat", Electroencephalograph and Clin. Neureophys., vol. 41, No. 2, pp. 179-182, Aug. 1976.
Sciarretta et al., Med. & Biol. Engng., vol. 8, No. 5, pp. 517-519.
Cohen et al., Med. & Biol. Eng. & Comput., vol. 15, Jul. 1977, pp. 431-437.

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