Pneumatic headset

Details Pneumatic headset Pneumatic headset

1980-06-11

1982-04-20

Hix, L. T.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

A61B 702

Patent

active

043254535

ABSTRACT:
Disclosed is a pneumatic headset comprising a generally C-shaped frame having an upper portion designed to pass over a listener's head and downwardly extending leg portions. A pair of pneumatic sound tubes, each carrying a respective channel of audio information enters and is supported to a free end of one of the leg portions. A first shorter tube of the pair is connected to an earpiece located adjacent the point of tube pair entry into the frame, while a second longer tube is routed through the frame across the listener's head to another earpiece located opposed to the first. To balance sounds between the two earpieces, a venting port is provided in the shorter of the two tubes.

REFERENCES:
patent: 3217831 (1965-11-01), Scanlon
patent: 3303902 (1967-02-01), Knott

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