Reference channel maintenance method for a wide area paging syst

Details Reference channel maintenance method for a wide area paging syst Reference channel maintenance method for a wide area paging syst

1995-12-29

1999-12-14

Chin, Wellington

Telecommunications

Transmitter and receiver at separate stations

455 312, 455 383, 455 381, H04Q 708, H04Q 710, H04Q 712

Patent

active

06002917&

ABSTRACT:
A reference channel maintenance method for a wide area paging system connected to a public telephone network and having at least one reference frequency channel through which a paging signal can be transmitted is provided. When an incoming paging signal is not received from a public telephone network and transmitted to a desired wide area radio pager through the reference frequency channel within a predetermined time period, a dummy paging signal is generated and transmitted to the wide area radio pager through the reference frequency channel.

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patent: 5047763 (1991-09-01), Kuznicki et al.
patent: 5237321 (1993-08-01), Oliwa
patent: 5355126 (1994-10-01), Nelson et al.
patent: 5357561 (1994-10-01), Grude
patent: 5396537 (1995-03-01), Schwendeman
patent: 5485463 (1996-01-01), Godoroja
patent: 5539392 (1996-07-01), Hays et al.

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