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Class 340/286.05 - Fire


Subclass of Class 340 - Communications: electrical
Definition: Subject matter in which the alarm is actuated to indicate
No. of applications: 7
Last issue date: 08/27/2009


Application No.Application TitleIssue Date
20090212924INTEGRATED FIRE EXIT ALERT SYSTEM
A fire exit alert system, preferably integrated into an exit device or automatic fire exit door closer, uses sound and light to signal the location of a fire exit in darkness and smoke-obscured rooms. The alert system includes a voice signal, such as “EXIT LOCATED HER...
08/27/2009
20080048839Voice Alarm System
A voice alarm system, coupled to a fire monitoring system responds to received wireless signals. The signals can be emitted by a portable wireless control unit that can be carried or worn by first responders....
02/28/2008
20070046440Fire-alarm control panel having power frequency carrier
A fire-alarm control panel uses a transforming unit together with indoor power line for a fire alarm; and a signal for the fire alarm is transferred to another fire-alarm control panel in another place. ...
03/01/2007
20070030127Premise evacuation system
An evacuation system using a combination of elements, such as an on-site weather station (2), a computer system (1) with proprietary software, sensors and other elements to determine a safe direction of evacuation from a premises (11) in case of a t...
02/08/2007
20070001819Fire alarm notification power supply with configurable notification appliance circuits and auxiliary power circuits apparatus and method
A power supply for providing excitation to notification appliance circuits (NACs) in fire alarm applications meets revised national and international requirements for both NAC drive and auxiliary load drive tasks with a single circuit configuration. The requirements sti...
01/04/2007
20060238312Fire sensing method and fire sensing system
Conventional fire sensing system has required to determine an installation site for a fire sensing device in advance when a building or vehicle has been designed; that restricts the design of the building or vehicle. The present invention provides a fire sensing system ...
10/26/2006
20060187000Fire fighting apparatus
An apparatus for fighting a fire comprises a suspendible container (10) having a perforated lower surface (12) each of whose perforations (16) is closed by a heat-sensitive membrane (14) which is capable of rupture at an elevated temperature....
08/24/2006
 
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