Heart-beat electronic simulator

Details Heart-beat electronic simulator Heart-beat electronic simulator

1975-04-10

1976-11-30

Mancene, Louis G.

Surgery

Truss

Perineal

35 17, 46232, A61B 1900

Patent

active

039942821

ABSTRACT:
An electronic device for simulating the human heart-beating noise comprises an astatic multivibrator, the output of which is a square wave voltage signal. This signal is given as an input to a differentiating circuit having its output connected to drive a loudspeaker diaphgram. The acoustic wave produced is similar to the human heart-beating noise.

REFERENCES:
patent: 3024568 (1962-03-01), Barnett
patent: 3563229 (1971-02-01), Petrusson
patent: 3888233 (1975-06-01), Ware

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