Wireless fire alarm door unlocking interface
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United States of America Patent
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Jun 24, 2008
Grant Date -
N/A
app pub date -
Aug 22, 2005
filing date -
Aug 22, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wireless fire alarm door unlocking system includes a remote alarm panel interface to receive information from a central alarm panel interface over an RF channel. The central alarm panel interface monitors an output from an alarm control panel and, when an alarm condition is asserted, initiates an unlock signal that is sent to the remote alarm panel interface. It in turn causes the door with which it is associated to unconditionally release to allow unimpeded entrance and exit. The system also monitors the status of the remove alarm panel interface and raises an alert in the event of a malfunction. The interface may be implemented as a hardware and software modification to an access control system or as separate components that coexist with an access control system on a non-interfering basis.
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Family
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