Communications: electrical – Continuously variable indicating – With meter reading
Patent
1989-12-26
1991-03-19
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082526, 34082527, 34082544, 455343, H04B 700
Patent
active
050014714
ABSTRACT:
A paging system which provides both individual and information services includes a transmitter for transmitting page call address and data periodically in batches, and a population of battery saver paging receivers for receiving the transmitted call information. Each transmission batch comprises a synchronization code followed by a predetermined plurality of sequential frames. Each subscribing receiver searches for its individual service address in a first designated frame of each batch of a transmission period, and in addition, searches for its information service address in a second designated frame of a designated batch of a transmission period. Individual and information service data messages are obtained from frames subsequent the frame at which their respective address is found.
REFERENCES:
patent: 4473824 (1984-09-01), Claytor
patent: 4677434 (1987-06-01), Fascenda
patent: 4742516 (1988-05-01), Yamaguchi
patent: 4845491 (1989-07-01), Fascenda et al.
patent: 4873519 (1989-10-01), Matai et al.
Barrett, III Clifford E.
Gomez Fernando
Snowden Gregory O.
Ingrassia Vincent B.
Koch William E.
Magistre Dervis
Motorola Inc.
Yusko Donald J.
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