Voice communicator

Details Voice communicator Voice communicator

1983-11-08

1985-03-19

Rubinson, Gene Z.

Acoustics

Speaking tubes

179100D, 179179, 181 19, 181 20, 446141, G10K 1112

Patent

active

045053588

ABSTRACT:
Direct voice communication with simultaneous two-way transmission is possible with a communicator having the earpiece of the communicator at one station connected by flexible plastic tubing to the mouthpiece of a communicator at another station, the two stations being connected by two independent voice channel tubes. The provision of cross-connected channels between the mouthpiece and the earpiece of two communicating stations permits normal conversation with simultaneous two-way transmission to occur in the manner of telephonic transmission rather than requiring sequentially alternating transmission between stations as necessary in using single voice tube communicators where destructive interference occurs between sound waves transmitted simultaneously in opposite directions in a voice tube.

REFERENCES:
patent: 278411 (1983-05-01), Dickson
patent: 762900 (1904-06-01), Graybill
patent: 1777427 (1930-10-01), Bregman
patent: 1867200 (1932-07-01), Adams
patent: 2633769 (1953-04-01), Saks
patent: 3022387 (1962-02-01), Bair
patent: 3769744 (1973-11-01), Sloane, Jr. et al.
patent: 4090042 (1978-05-01), Larkin

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