Hybrid telephony communication system

Details Hybrid telephony communication system Hybrid telephony communication system

1987-09-30

1988-10-04

Lev, Robert

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 61, H04Q 704

Patent

active

047759968

ABSTRACT:
A wireless telephony system comprising a base station and at least one portable device. The base station employs a ratio frequency (RF) receiver and an optical transmitter. The portable device employs an optical receiver and an RF transmitter.

REFERENCES:
patent: 3513443 (1967-02-01), Andersen
patent: 4450319 (1984-05-01), Lucey
patent: 4456793 (1984-06-01), Baker et al.
patent: 4465902 (1984-08-01), Zato
patent: 4659878 (1987-04-01), Dinkins
patent: 4669108 (1987-05-01), Deinzer

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