Earphone

Details Earphone Earphone

1981-06-29

1983-09-06

Rubinson, G. Z.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179182A, 179107E, 181129, 181130, H04R 110

Patent

active

044031203

ABSTRACT:
A high performance and extremely compact earphone is disclosed. The earphone includes a speaker unit and a case in which the speaker unit is mounted. The earphone is attachable to a cavity of a conha defined by the tragus and a confronting projection of the pinna of the ear. The earphone has a specific physical configuration such that the earphone is firmly fitted to the ear cavity by the resiliency and friction of the ear.

REFERENCES:
patent: 1560718 (1925-11-01), Nowosielski
patent: 1753817 (1930-04-01), Aber
patent: 2391924 (1946-01-01), Rutter et al.
patent: 2474135 (1949-06-01), White
patent: 3293379 (1966-12-01), Gorike
patent: 3440365 (1969-04-01), Bryant et al.
patent: 3586794 (1972-06-01), Michaelis

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