Emergency lighting system with improved monitoring
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United States of America Patent
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-
Jul 15, 2008
Grant Date -
Mar 17, 2005
app pub date -
Sep 3, 2004
filing date -
Sep 12, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An emergency lighting unit includes a lamp, a backup battery, and controller and a network interface. The controller connects the backup battery to the lamp upon detection of an emergency condition and loss of main power. The network interface interfaces with and receives commands via a fire alarm network. Each emergency lighting unit has a unique identifier with respect to the fire alarm network.
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