Communications: electrical – Continuously variable indicating – With meter reading
Patent
1996-02-26
1997-08-19
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
455 381, 34082521, H04Q 100
Patent
active
056592981
ABSTRACT:
A satellite communication system for delivering simplex messages to subscribers comprises multiple Message Origination Controllers (MOCs), one or more Message Termination Controllers (MTCs), satellites, and geographically-diverse communication units. Messages destined for particular communication units are transmitted to the one or more MTCs. The one or more MTCs then schedule delivery of the messages to communication units by employing a blocked timing structure for delivery of the messages. The one or more MTCs transmit the scheduled messages to satellites which broadcast the messages to communication units at the scheduled time. Communication units are assigned specific timing blocks during which they monitor radio signals for messages directed to them. During non-assigned timing blocks, communication units remain in a low-power state.
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patent: 4644347 (1987-02-01), Lucas
patent: 4644351 (1987-02-01), Zabarsky
patent: 4849750 (1989-07-01), Andros
patent: 4897835 (1990-01-01), Gaskill
patent: 4914649 (1990-04-01), Schwendeman
patent: 5394560 (1995-02-01), Kane
patent: 5408237 (1995-04-01), Patterson
Brooks Barbara
Terris David
Motorola Inc.
Nielsen Walter
Whitney Sherry
Zimmerman Brian
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