Sound dampening device for telephones

Details Sound dampening device for telephones Sound dampening device for telephones

1983-06-24

1984-11-20

Rubinson, Gene Z.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

179180, 179187, G10K 1104

Patent

active

044834144

ABSTRACT:
A sound dampening device for telephones comprising a sleeve which fits over a telephone mouthpiece and contains a mat of spaced-apart thin rod-like members extending radially inward in a direction transverse to the voice sound waves.

REFERENCES:
patent: 2212349 (1940-08-01), Mayer
patent: 2478783 (1949-08-01), Scher
patent: 2697141 (1954-12-01), Smith
patent: 2826649 (1958-03-01), Desbrow
patent: 2851544 (1958-09-01), Wisdom
patent: 4057127 (1977-11-01), Braden

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