Supervised paging, messaging background music and emergency voice evacuation system
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United States of America Patent
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Jan 31, 2012
Grant Date -
Jun 29, 2006
app pub date -
Dec 1, 2005
filing date -
Dec 1, 2004
priority date (Note) -
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Abstract
The present invention generally discloses a supervised paging, messaging background music and emergency voice evacuation system. In one embodiment, the system comprises at least one telephone zone controller and at least one telephone zone paging speaker splitter or addressable paging splitter. Specifically, telephone zone controller acts as a controlling authority for the routing and playback of audio in selectable zones. In cooperation with the telephone zone controller, the telephone zone paging speaker splitter is an addressable device that is capable of splitting an audio signal in different manners, e.g., in Class A mode or in Class B mode. The present system provides addressable functions that are not found in existing supervised paging, messaging background music and emergency voice evacuation system.
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