Methods and systems for controlling directional sounders for...

Communications: electrical – Condition responsive indicating system – Specified indicator structure

Reexamination Certificate

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C340S286110, C340S331000, C340S332000, C340S384710, C340S628000, C381S082000

Reexamination Certificate

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07629894

ABSTRACT:
A plurality of directional sounders located in a region being monitored can be synchronously and sequentially activated in various patterns to establish an audibly defined exit route from the region. Emitted audio, from a respective sounder, can be different than the audio emitted by other activated sounders to provide a path and direction for evacuation to individuals in the vicinity of the exit route.

REFERENCES:
patent: 6201470 (2001-03-01), Withington
patent: 2005/0128070 (2005-06-01), Faltesek
patent: 2006/0071802 (2006-04-01), Right et al.
System Sensor®, “ExitPoint Directional Sounder” Product Overview including ‘Applications Guide’, Models Available PF24, © 2005, 53 pages.
System Sensor®, “ExitPoint Directional Sounder” Applications Guide, Nov. 2004, © 2004, 26 pages.

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