Vehicular communications system

Details Vehicular communications system Vehicular communications system

1994-01-03

1996-09-03

Coles, Sr., Edward L.

Telephonic communications

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

Including fiber optic link within telephone network

379 59, 455 76, 455 77, H04B 140, H04M 1100

Patent

active

055531172

ABSTRACT:
Disclosed is a communications device which includes an integral cellular telephone and two-way radio. The cellular telephone and the two-way radio controlled from a common handset unit. The device has the range and relative transmission security of a cellular telephone while allowing radio transmissions to be monitored.

REFERENCES:
patent: 4504702 (1985-03-01), Meunter et al.
patent: 4515994 (1985-05-01), Bolle et al.
patent: 4802235 (1989-01-01), Treatch
patent: 5127042 (1992-06-01), Gillig et al.
patent: 5243640 (1993-09-01), Hadley et al.

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