Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-05-29
2000-08-22
To, Doris H.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 381, 34082544, H04B 700
Patent
active
061085448
ABSTRACT:
A communication system (10) has a plurality of selective call transceivers (30) which operate as one-way selective call receivers in one-way coverage zones (16) where no registration is required or operate as selective call transceivers in two-way coverage zones (36) where registration is required or operate in one-and-a-half way zones where registration is attempted but not required for the selective call transceiver to receive outbound messages. The system further comprises a plurality of outbound transmitters (17, 18, and 19) covering one-way coverage zones (12, 14, and 16 respectively) and a plurality of base receivers (37, 38, and 39) and transmitters (11, 13, and 15) covering two-way coverage zones (32, 34, and 36 respectively). The one-and-half-way zone is primarily a mode of operation useful in areas having "spotty" inbound coverage and is not necessarily designated by a geographic location.
REFERENCES:
patent: 5423063 (1995-06-01), Goldberg
patent: 5574771 (1996-11-01), Driessen et al.
patent: 5710972 (1998-01-01), Lin
patent: 5751693 (1998-05-01), Dinkins
patent: 5752163 (1998-05-01), Robinson
Ayerst Douglas Irvin
Dorenbosch Jheroen Pieter
Nelson Leonard Edward
Bethards Charles W.
Meles Pablo
Motorola Inc.
To Doris H.
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