Paging system employing designated frame commencing information

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

34082527, 34082544, 455343, H04B 700

Patent

active

050103300

ABSTRACT:
A paging system which provides both individual and information services includes a transmitter which transmits page call address and data periodically in batches to subscribing paging receivers. Each batch comprising a synchronization code followed by a predetermined plurality of sequential frames. Each paging receiver searches for both its individual service address and a first information service address in its corresponding assigned frame of each batch of a transmission period, and in response to reception of the first information service address, searches for a second information service address in a designated common frame of each batch of a transmission period. Individual and information service data messages are obtained from frames immediately subsequent the frame in which the respective individual and second information service addresses are found.

REFERENCES:
patent: 4383257 (1983-05-01), Giallanza et al.
patent: 4677434 (1987-06-01), Fascenda
patent: 4742516 (1988-05-01), Yamaguchi
patent: 4860003 (1989-08-01), DeLuca et al.
patent: 4922221 (1990-05-01), Sato et al.

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