Radio communications and telephone network interface system

Details Radio communications and telephone network interface system Radio communications and telephone network interface system

1996-09-30

1999-08-10

Dolinar, Andrew M.

Telecommunications

Transmitter and receiver at same station

Convertible

455561, 379442, 379443, H04M 1100

Patent

active

059373342

ABSTRACT:
A phone patch 26 for interfacing between a radio 12 and a telephone network 32 includes means for electrically coupling audio signals between the radio 12 and the telephone network 32. A monitoring means is operationally coupled to the coupling means and may adjust the audio signals through operator controls 42. The monitoring means allows an operator to communicate with both the radio and telephone user and modify the audio signals to provide sufficient volume without overmodulation.

REFERENCES:
patent: 3234333 (1966-02-01), Guder
patent: 3254159 (1966-05-01), Condict
patent: 3696320 (1972-10-01), Smith et al.
patent: 4012596 (1977-03-01), West, Jr. et al.
patent: 4677656 (1987-06-01), Burke et al.
patent: 4815128 (1989-03-01), Malek
patent: 4922546 (1990-05-01), Takahaski et al.
patent: 4956876 (1990-09-01), Koshiishi
patent: 5504802 (1996-04-01), Kennedy et al.

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