Insert earphones for audiometry

Details Insert earphones for audiometry Insert earphones for audiometry

1985-10-04

1988-08-16

Ng, Jin F.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

381 682, 381 686, 381159, 381187, H04R 2504, H04R 110, H04R 128

Patent

active

047637536

ABSTRACT:
Earphones especially adapted for use in audiometry have electroacoustical transducer elements located at a distance from the ear and incorporate coupling paths and chambers so arranged as to eliminate undesirable resonances and to obtain a smooth and accurate frequency response characteristic.

REFERENCES:
patent: 1629100 (1927-05-01), Hartley
patent: 1757938 (1930-05-01), Hayes
patent: 2389868 (1945-11-01), Olson
patent: 3835263 (1974-09-01), Killion
patent: 4006321 (1977-02-01), Carlson
patent: 4090040 (1978-05-01), Berland
patent: 4167223 (1979-09-01), Liesse
patent: 4189627 (1980-02-01), Flanagan
patent: 4270627 (1981-06-01), Hill
patent: 4677675 (1987-06-01), Killion et al.
patent: 4677679 (1987-06-01), Killion

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