Equipment for wireless telephone transmission

Details Equipment for wireless telephone transmission Equipment for wireless telephone transmission

1986-04-10

1987-07-21

Lev, Robert

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H04N 1100

Patent

active

046823506

ABSTRACT:
A method of connecting audio information between a base telephone unit which is stationary and a portable unit associated therewith, the method involving dividing the communication time for audio information into first and second periods. During each first period, transmitting audio information from one of the units to the other over a radio channel and during each second period transmitting in reverse direction. The duration of the periods is a function of which transmitter is active at a given time.

REFERENCES:
patent: 3673335 (1972-06-01), Joel, Jr.
patent: 3827052 (1974-07-01), Tanaka
patent: 4034295 (1977-07-01), Kotezawa et al.
patent: 4268722 (1981-05-01), Little et al.
patent: 4467473 (1984-08-01), Arnon et al.
patent: 4525835 (1985-06-01), Vance et al.

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