Communications: electrical – Continuously variable indicating – With meter reading
Patent
1992-06-09
1993-11-16
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082544, 455 71, 4551612, 4551662, 4551861, H04Q 100
Patent
active
052627691
ABSTRACT:
A pager receiver includes an addressable data memory for storing sets of digital frequency data for application to a frequency synthesizer which responds to each set of frequency data to tune the pager receiver to a channel or frequency identified by the frequency data, and a process controller which controls both the storing in the memory of the frequency data identifying a plurality of channels or frequencies and the reading out of the frequency data one set at a time in sequence in searching for a paging signal being transmitted to the paging receiver. The pager receiver is operable in a preprogrammed mode in which frequency data which identifies a plurality of channels is supplied to the pager receiver from an external source with the pager receiver scanning only those channels for which frequency data is stored in the memory or in an all channel scanning mode in which the pager receiver rapidly scans all available pager channels or frequencies and stores in the memory frequency data which identifies only those channels for which acceptable signal level and system code is detected, the pager receiver then scanning only those channels for which frequency data is stored in memory.
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M. Ramm, "A New Tuning System for Low Voltage Applications," IEEE Transactions on Consumer Electronics, vol. CE-33 No. 3 Aug. 1987, pp. 333-335.
Reach Electronics Inc.
Yusko Donald J.
Zimmerman Brian
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