Communications: electrical – Continuously variable indicating – With meter reading
Patent
1991-10-25
1994-03-22
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
455 383, 455343, H04Q 100
Patent
active
052968499
ABSTRACT:
A pager receiver is assigned to a particular call number and is for receiving pager signals of a predetermined baud rate by use of the battery saving technique. Each of the pager signal comprises a synchronization code signal and a plurality of address signals, each of the address signals comprising a call number and a message, a particular one of the address signals being assigned to the pager receiver. The pager receiver is driven by a power-on signal at a timing for receiving the particular address signal. The pager receiver has a baud rate monitoring circuit for detecting the predetermined baud rate of a signal received to produce a monitoring signal, and a comparing circuit for comparing the call number in the particular address signal with the particular call number to produce a coincident signal. When both of the monitoring signal and the coincident signal are present at a time, the pager receiver drives an indicator.
REFERENCES:
patent: 4903335 (1990-02-01), Shimizu
patent: 4996526 (1991-02-01), DeLuca
patent: 5049875 (1991-09-01), DeLuca et al.
NEC Corporation
Yusko Donald J.
Zimmerman Brian
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