Conference microphone unit

Details Conference microphone unit Conference microphone unit

1982-03-15

1984-03-13

Rubinson, G. Z.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179105, 179111E, 179138, 181157, 181158, 181175, H04R 1904, H04R 132

Patent

active

044369662

ABSTRACT:
A microphone unit particularly suitable for conference applications is provided, wherein an acousto-electric transducer is disposed between two dish-like back-to-back sound collectors, each having a central aperture exposing one side of the transducer, which preferably has a single planar diaphragm.

REFERENCES:
patent: 2385279 (1945-09-01), Hopkins
patent: 3573399 (1968-08-01), Schroeder et al.
patent: 4237339 (1980-12-01), Bunting et al.
patent: 4258719 (1981-05-01), Manger
R. Botros, "Audio Teleconferencing-The Telephone and the Environment", Telesis, Feb. 1977, pp. 16-21.

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