Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1992-04-20
1994-08-02
Chin, Stephen
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 59, 379 61, 455 111, 455 331, 455 89, H04M 1100, H04B 715, H04B 138, H04Q 700
Patent
active
053352629
ABSTRACT:
A radio communication adapter is used in a mobile communication system including a first mobile communication network, first mobile stations registered in the first mobile communication network, a second mobile communication network connected to the first mobile communication network, and second mobile stations registered in the second mobile communication network. The radio communication adapter is attached to one of the second mobile stations. The radio communication adapter includes a radio communicating part for communicating, via a radio channel, with the first mobile stations located outside a first service area of the first mobile communication network, and a requesting part for requesting that first identification data of the first mobile stations located outside the first service area is registered, in connection with the second mobile stations, in the first mobile communication network via the above-mentioned one of the second mobile stations and the second mobile communication network.
REFERENCES:
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4796291 (1989-01-01), Makino
patent: 4980907 (1990-12-01), Raith et al.
patent: 5048117 (1991-09-01), Aisaka et al.
patent: 5101500 (1992-03-01), Marui
patent: 5109526 (1992-04-01), Reed
Asahara Masaru
Oguchi Takuro
Sasaki Shunroku
Chin Stephen
Fujitsu Limited
Shankar Vijay
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