Communications: electrical – Continuously variable indicating – With meter reading
Patent
1997-11-17
1999-10-26
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
34082554, H04Q 100
Patent
active
059736135
ABSTRACT:
A pager device received paging messages. The user reads a paging message, selects one of a set of stored, predetermine reply messages, and transmits the selected reply message from the pager. The reply signal is received by one of a set of local cellular receivers, which sends the received signal to a computer for interpretation. The computer initiates an action based on interpretation of the received reply signal. The communication system communicates with large numbers of pagers in a time and energy efficient manner. The pagers are associated with items located in a communication region that is interrogated by an interrogator on a one-to-many basis using broadcast commands, on a one-to-one basis using directed commands or on a combination basis using both methods. Messaging occurs through organized transmission and reception of signals between the pagers and the interrogator. A batch collection protocol uses a combined one-to-many and one-to-one communication system that effectively resolves communication contentions. The batch collection protocol employs a plurality of collection periods which communicate with large or unknown numbers of portable pagers.
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Reis Robert Steven
Verma Vikram
Raytheon Company
Zimmerman Brian
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