Portable sleep inducer

Details Portable sleep inducer Portable sleep inducer

1975-08-21

1976-11-23

Kamm, William E.

Surgery

Truss

Perineal

A61M 2100

Patent

active

039930432

ABSTRACT:
An analgesic noise generator employs a transistor operated to provide a zener action that is broadcast as the active noise source in an integrated circuit amplifier packaged as a portable unit with means to control tone and volume and enhance life of the power source.

REFERENCES:
patent: 2753453 (1956-07-01), Michels
patent: 3404235 (1968-10-01), Goldberg
patent: 3609201 (1971-09-01), Adachi
patent: 3726285 (1973-04-01), Bowers et al.
patent: 3887881 (1975-06-01), Hoffmann

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