Communications: electrical – Continuously variable indicating – With meter reading
Patent
1988-01-07
1989-11-21
Brigance, Gerald
Communications: electrical
Continuously variable indicating
With meter reading
34082547, 370 18, 379 57, H04Q 900
Patent
active
048825794
ABSTRACT:
An acknowledge back (ack-back) paging system is provided which includes a central station which transmits a group of message signals to an group of ack-back pagers which are addressed as a group. The users of the group of addressed ack-back pagers indicate a response to their respective pagers thus providing ack-back data. The pagers in the group of addressed ack-back pagers then simultaneously transmit back to the central station their ack-back signals using different respective pseudorandom codes, a different pseudorandom code being dynamically allocated to each of the pagers in the group.
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Brigance Gerald
Ingrassia Vincent B.
Motorola Inc.
Zitelli William E.
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