Vocal sound muffling device

Details Vocal sound muffling device Vocal sound muffling device

1988-11-25

1990-06-12

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181 18, 181 21, 181258, G10K 1112

Patent

active

049324950

ABSTRACT:
A vocal sound muffling device having an elongated tubular body providing an elongated tubular cavity, a mouthpiece on one end of the body providing an inlet into the cavity for vocal sound waves and atomized fluids, a closure on the other end of the body having a fluid outlet therein for regulating fluid flow from the cavity, and cellular material in the cavity intermediate the inlet and outlet for attenuating the vocal sound waves.

REFERENCES:
patent: 1776584 (1930-09-01), Gerlach, Jr.
patent: 2508581 (1950-05-01), Morrow
patent: 2540873 (1951-02-01), Florman
patent: 2572547 (1951-10-01), Webb
patent: 2769040 (1956-10-01), Di Mattia
patent: 2798122 (1957-07-01), Ungarsohn
patent: 3244816 (1966-04-01), Karns
patent: 4396089 (1983-08-01), Scully

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