Two-way radio with voice storage

Details Two-way radio with voice storage Two-way radio with voice storage

1991-01-23

1992-04-28

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

Convertible

455 78, 455 89, 375 5, H04B 140, H04B 150

Patent

active

051095254

ABSTRACT:
A two-way radio includes a receiver having a squelch circuit for determining if a communication channel is available. A transmitter is provided for transmitting voice messages on the channel. When the communication channel is available, voice signals are directed from a microphone to the transmitter for transmission. When the communication channel is not available, the voice signals are automatically directed to a digitizer there they are digitized. The digitized voice signals are stored in a memory for later transmission when the channel becomes available.

REFERENCES:
patent: 4457018 (1984-06-01), Takayama
patent: 4468813 (1984-08-01), Burke et al.
patent: 4495647 (1985-01-01), Burke et al.
patent: 4589132 (1986-05-01), Botbol et al.
patent: 4716576 (1987-12-01), Sakai et al.
patent: 4742514 (1988-05-01), Goode et al.
patent: 4795647 (1985-01-01), Burke et al.
patent: 4821310 (1989-04-01), Lynk, Jr. et al.

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