Earpiece for acoustic headset

Details Earpiece for acoustic headset Earpiece for acoustic headset

1974-08-29

1976-01-27

Brown, Thomas W.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181135, H04R 110

Patent

active

039354016

ABSTRACT:
An earpiece having a tubular hub for receiving a sound-transmitting tube has a flange on an end of the hub about a central passage, comprising radiating ribs which are mutually separated by radiating slots or by webs. More particularly, the webs slope and the ribs adjoining the slots have marginal webs that are staggered in relation to each other, all as viewed in circular cross-section centered about the central passage. Still further, a tubular projection extends the central passage beyond the flange.

REFERENCES:
patent: 3772478 (1973-11-01), McCabe et al.
patent: 3789164 (1974-01-01), Ryder

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