Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-10-17
1998-11-17
Bost, Dwayne D.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 121, 455430, 455526, H04O 720
Patent
active
058390685
ABSTRACT:
A satellite telephony communication system is used to provide a method of delivering service voice announcements to remote ground transceivers in the satellite telephony system. A relatively small portion of the satellite's bandwidth is dedicated to broadcasting periodic service voice announcements. When an announcement is desired, the remote ground transceiver tunes to the announcement frequency and retrieves the desired announcement in the broadcast sequence. Preferably, the announcements are broadcast in bursts, with a control data burst repeated periodically among the announcement bursts. The control data burst notifies the ground transceiver about the location and duration of each broadcast announcement, thus allowing the transceiver to time its voice path connection to the announcement frequency such that it starts at the beginning of the desired announcement and terminates at the end of the desired announcement.
REFERENCES:
patent: 4414431 (1983-11-01), McCoskey
patent: 4833477 (1989-05-01), Tendler
patent: 5133081 (1992-07-01), Mayo
patent: 5216427 (1993-06-01), Yan et al.
patent: 5375164 (1994-12-01), Jennings
Bost Dwayne D.
Hughes Electronics Corporation
Maung Nay
Sales Michael
Whelan John
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