Communicating device

Details Communicating device Communicating device

1978-02-17

1980-04-01

Tomsky, Stephen J.

Acoustics

Mechanical telephone

G08B 100

Patent

active

041957075

ABSTRACT:
A device for communicating in which a hollow frustum extending outwardly from a flat base has tabs at the ends thereof for holding a relatively rigid diaphragm having spaced apart apertures therein. A pair of these devices are interconnected by a cord or string, whereby conversation or sound projected into one of the devices is reproduced at the other device. Two devices are molded as a single integral unit and merchandised as an in-pack item with children's breakfast cereals.

REFERENCES:
patent: 3082838 (1963-03-01), Gajdosik

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