Earpiece for insertion in an ear canal, and an earphone, microph

Details Earpiece for insertion in an ear canal, and an earphone, microph Earpiece for insertion in an ear canal, and an earphone, microph

1991-11-04

1994-03-29

Gellner, Michael L.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, 381 686, 381 69, A61B 702, H04R 2500

Patent

active

052986926

ABSTRACT:
An earpiece for insertion in an ear canal as a part of an earphone, an ear mounted microphone, an earphone/microphone combination or the like. The earpiece comprises a body part suitable for housing an earphone transducer and/or a solid vibration pickup, and a canal insert joined to the body part. Having a generally elongate shape, the canal insert has a rear portion joined directly to the body part, a front portion away from the body part, and a midportion through which the rear and the front portions are joined together. The front portion and midportion of the canal insert have their cross sectional dimensions determined in a predefined relationship to fit as closely as feasible in the ear canals of a majority of people. The earpiece may be provided with a stabilizer, as in the form of a contact piece or pieces projecting laterally therefrom, for greater stability against dislodgement from the ear canal or rotational displacement therein. There are also disclosed herein earphones, microphones, and earphone/microphone combinations including the earpiece.

REFERENCES:
patent: 4498461 (1985-02-01), Hakansson
patent: 4864610 (1989-09-01), Stevens
patent: 4975967 (1990-12-01), Rasmussen
patent: 5031219 (1991-07-01), Ward et al.
patent: 5142587 (1992-08-01), Kobayashi

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