Radio telephone system

Details Radio telephone system Radio telephone system

1988-06-15

1989-07-25

Lev, Robert

Telephonic communications

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

Including fiber optic link within telephone network

379 61, 455127, 455343, H04Q 701

Patent

active

048521485

ABSTRACT:
A radio telephone system has a radio telephone set which has a receiving circuit the power of which is turned on or off in predetermined cycles, a radio connector transmit an ID number of the radio zone where it exists for a longer period than the period of turning on or off the power supply of the receiving circuit of the radio telephone set in predetermined cycles, the radio telephone set compares the ID number of the radio zone received with that stored in a memory, and when the ID numbers fail to coincide with each other, the ID number of the radio telephone set and the ID number of the radio zone received are transmitted as a position entry signal to a radio channel control unit through the radio connector, and the radio channel control unit being adapted to register the ID number of the radio telephone set and that of the radio zone.

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patent: 4736461 (1988-04-01), Kawasaki et al.
patent: 4740788 (1988-04-01), Konneker
patent: 4748655 (1988-05-01), Thrower

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