Communications: electrical – Continuously variable indicating – With meter reading
Patent
1991-08-05
1992-08-25
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
379 63, 34082547, H04Q 700
Patent
active
051422794
ABSTRACT:
A paging terminal for transmitting address and variable length message signals to a plurality of remotely located acknowledge back and non-acknowledge back pagers, each having a unique address, includes an input for accepting variable length messages to be sent to a group of M pagers within the plurality of pagers, wherein M is an integer number. A controller orders the acknowledge back pager addresses for transmisison prior to the transmission of addresses for the non-acknowledge back pagers. A transmitter sequentially transmits the ordered addresses corresponding to the group of M pagers as an address batch during a first time period, and sequentially transmits the variable length messages for the group of pagers in a message batch including end of message markers delimiting an associated variable length message during a second time period subsequent to the first time period. The messages of the message batch are transmitted in a predetermined order bearing a known relationship to the order in which the addresses of the address batch were transmitted.
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Modax Plus, Metro Page, Modax 500A Radio Paging Terminals, Publication No. R3-5-110A, published 1986 by Motorola, Inc., Schaumburg, Ill.
Motorola, Inc., "Display GSC Radio Pagers, Sensar Series" pp. 1-12, published Feb., 1987 by Motorola Paging Division, Boynton Beach Fla.
Jasinski Leon
Leitch Clifford D.
Steel Francis R.
Steel Lynne A.
Ingrassia Vincent B.
Koch William E.
Macnak Philip P.
Motorola Inc.
Weissman Peter
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