Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1990-09-04
1992-12-29
Kuntz, Curtis
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 59, 379 63, H04M 1100
Patent
active
051757583
ABSTRACT:
A telephone system with which a connection between two subscribers can be established, at least one of them being a mobile subscriber. The system includes a paging network composed of one or several extensive paging ranges, each of them having a paging transmitter (H1, H2) of its own, a small cellular network with an exchange and a plurality of base stations (T), and mobile telephones with which a pager has been integrated. When calling a mobile telephone, the transmitter of the paging range in which the telephone is known or assumed to be transmits a paging message to the telephone, whereby, when the telephone is in the neighborhood of the base station, the exchange of the cellular network establishes immediately a connection between the subscribers. No paging calls are lost because they are stored in the exchange of the cellular network, and on an appropriate occasion the pager of the telephone and the exchange compare the paging messages stored in the memories. The call can be transmitted from one base station to another during the call (handover).
REFERENCES:
patent: 4000610 (1989-03-01), Focarile et al.
patent: 4178476 (1979-12-01), Frost
patent: 4392242 (1983-07-01), Kai
patent: 4661972 (1987-04-01), Kai
patent: 4748655 (1988-05-01), Thrower et al.
patent: 4916728 (1990-04-01), Blair
patent: 4988991 (1991-01-01), Motegi
Article: Financial Times, "Designs on pocketing the cellular market", by Geoffrey Charlish, Dec. 11, 1987.
Levanto Lauri
Ranta Jukka T.
Bost Dwayne D.
Kuntz Curtis
Nokia Mobile Phones Ltd.
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