Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1994-11-08
1996-09-03
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455 331, 455 542, H04B 700
Patent
active
055533159
ABSTRACT:
A bulletin board coordinates the service authorization for other communication systems. Service authorizations are periodically updated, with authorized communication units returning to the bulletin board at pre-scheduled times to receive the updates that extend service authorization for authorized communication services. The bulletin board transmits authorization information on known communication resources at predetermined times known only by authorized communication units.
REFERENCES:
patent: 5301359 (1994-04-01), Van den Heuvel et al.
patent: 5361397 (1994-11-01), Wright
patent: 5434563 (1995-07-01), Kudoh
patent: 5465392 (1995-11-01), Baptist et al.
Comroe Richard A.
Sobti Arun
Banks-Harold Marsha D.
Eisenzopf Reinhard J.
Lukasik Susan L.
Motorola Inc.
Parmelee Steven G.
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