Patents
Patents for G08B 26 - Alarm systems in which substations are interrogated in succession by a central station (1,136)
08/1995
08/29/1995US5446443 Fire-alarm system
08/08/1995US5440301 Intelligent alerting and locating communication system
07/1995
07/19/1995EP0269747B1 Transmission circuit of facilities for preventing disasters
07/12/1995CN1105140A 火警系统 Fire alarm system
06/1995
06/28/1995CN1104359A 火警系统 Fire alarm system
06/27/1995US5428343 Disaster prevention monitoring apparatus and method
05/1995
05/16/1995US5416725 Computer-based notification system having redundant sensor alarm determination and associated computer-implemented method for issuing notification of events
05/03/1995EP0651363A1 Fire alarm system for supervising a fire phenomenon
04/1995
04/19/1995EP0649123A1 Fire alarm system
04/11/1995US5406255 Duplexed communication system
04/11/1995US5406254 Alarm system with remote module and associated alarm
03/1995
03/28/1995US5402101 Method for determining the configuration of detectors of a danger alarm system and for determining the system configuration of suitable detectors
02/1995
02/23/1995WO1995005627A1 Computer-based notification system
02/14/1995US5389914 Anti-disaster monitoring system and anti-disaster monitoring method
01/1995
01/26/1995DE4322841A1 Danger-signalling installation
01/05/1995WO1995000936A1 Identification beacon
01/03/1995US5379377 Display system providing a raster image of a physical system with its changeable operating parameters displayed in related locations adjacent to the image of the physical system
12/1994
12/27/1994US5376922 Wireless bistatic link intrusion detection system
12/14/1994EP0339081B1 Smoke and fire detection system communication
11/1994
11/30/1994EP0626743A2 Line fault monitoring apparatus
11/29/1994US5369699 Adaptable personnel supervisory system with automatic fee collection
09/1994
09/27/1994US5350019 Fire protection system
09/21/1994EP0616308A1 Disaster prevention monitoring apparatus
09/21/1994EP0616306A1 Disaster prevention monitoring apparatus and method
09/21/1994EP0615644A1 Security system for electrical and electronic equipment
09/14/1994EP0535029B1 Status-reporting device for reporting a temperature, with a suitable temperature sensor and method of manufacture of said sensor
09/13/1994CA2092606A1 Integrated remote calibration
07/1994
07/07/1994WO1994015326A1 Display system providing a raster image of a physical system with its changeable operating parameters displayed in related locations adjacent to the image of the physical system
07/07/1994CA2149526A1 Display system providing a raster image of a physical system with its changeable operating parameters displayed in related locations adjacent to the image of the physical system
06/1994
06/22/1994CN1088371A Synchronised electronic identification system
06/21/1994USRE34643 Short circuit fault isolation means for electrical circuit arrangements
06/01/1994EP0599192A1 Method for monitoring and operating a radio link between sensors and central unit of an alarm system
04/1994
04/26/1994US5307058 Remote supervisory and controlling system
04/12/1994US5302941 Multi-sensor security/fire alarm system with mated master control
03/1994
03/23/1994EP0587899A1 Fire alarm
03/23/1994EP0587898A1 Fire alarm
03/02/1994EP0585132A1 Synchronised electronic identification system
01/1994
01/20/1994DE4223679A1 Status signal transmission system for monitoring and alarm installations - uses bus distributors to alert control unit to presence of noise signals in bus system
01/18/1994CA2013609C City tie line connection for fire alarm system
12/1993
12/22/1993EP0575175A1 Detection system
12/15/1993EP0574230A1 Property protection system
12/07/1993US5268668 Security/fire alarm system with group-addressing remote sensors
11/1993
11/04/1993DE4214644A1 Control system for brake pressure control in commercial vehicle - addresses individual modules by sequentially activating signal lines between modules starting with line between central control and first module
10/1993
10/19/1993US5254877 Distributed power supply system
10/13/1993EP0565034A2 Distributed power supply system
10/13/1993EP0564900A1 Fire-alarm system
10/13/1993CN1077300A Fire-alarm system
10/10/1993CA2089958A1 Distributed power supply system
09/1993
09/02/1993WO1993015482A3 Remote monitoring system
08/1993
08/25/1993EP0556575A1 Person location system
08/05/1993WO1993015578A1 Fire alarm
08/05/1993WO1993015577A1 Fire alarm
08/05/1993WO1993015482A2 Remote monitoring system
07/1993
07/13/1993US5227763 Anti-disaster monitoring system
06/1993
06/29/1993CA1319742C Disaster prevention monitoring and control facility
06/16/1993EP0546401A1 Addressing method for anti-theft, for fire and for gas alarm
06/11/1993CA2085038A1 Addressable communications system for an ambient-hazard detection system
06/10/1993WO1993011515A1 Security system for electrical and electronic equipment
06/10/1993CA2125154A1 Security system for electrical and electronic equipment
06/08/1993US5218344 Method and system for monitoring personnel
05/1993
05/25/1993CA1318376C Alarm signal acquisition system for a group of stations
04/1993
04/20/1993US5204670 Adaptable electric monitoring and identification system
04/14/1993EP0536380A1 Remote monitoring device particularly but not exclusively useful for protection against the theft of items on display
03/1993
03/24/1993EP0532787A1 Device for operating hazard detectors
03/16/1993US5194846 Communication system capable of broadcast messaging and transponder polling
01/1993
01/07/1993EP0521180A1 Danger signalling devices connected in a loop
12/1992
12/22/1992US5173683 Apparatus and method for multiplexing multiple data and analog values in a peripheral device
12/01/1992US5168273 Sequential analog/digital data multiplexing system and method
11/1992
11/12/1992WO1992020051A1 Remote monitoring device particularly but not exclusively useful for protection against the theft of items on display
11/10/1992US5163056 Apparatus for carrying out serial control
11/03/1992US5160915 Wireless bistatic link intrusion detection system
10/1992
10/22/1992DE4212440A1 Verfahren zum feststellen von uebertragungsfehlern bei einem katastrophenverhuetungsueberwachungssystem A method for detecting transmission errors at a katastrophenverhuetungsueberwachungssystem
09/1992
09/16/1992EP0503122A1 Arrangement for commuting primary leads during faults
09/02/1992EP0501771A1 Information transmission system
08/1992
08/18/1992US5140622 Data transmission system with double lines
07/1992
07/21/1992US5132968 Environmental sensor data acquisition system
07/08/1992EP0279864B1 Facility for preventing disasters
07/07/1992US5128653 Fire alarm system
06/1992
06/30/1992CA1304468C Selective clearing of latched circuits
06/24/1992EP0491216A2 Hazard detection system
06/10/1992EP0489467A1 System for detecting the presence in a rack of a portable unit suitable for transmitting or receiving a signal having an assigned identification number
06/10/1992EP0489346A2 Method for the automatic ranging of detector addresses by an alarm system
06/09/1992US5121344 Method of locating underground mines fires
05/1992
05/26/1992US5117421 Remote supervisory and controlling system
05/26/1992US5117219 Smoke and fire detection system communication
05/20/1992EP0485878A2 Method for determining the detectors' configuration of an alarm system
05/13/1992EP0484880A2 Radio alarm system
04/1992
04/21/1992CA1299269C Smoke and fire detection system communication
04/01/1992EP0477607A2 Risk signal arrangement
03/1992
03/18/1992CN1059613A Anti-disaster monitoring system and anti-disaster monitoring method
03/11/1992EP0474201A1 Method and system of alarm signalling with priority interrupt
03/11/1992CN1015853B Signal transmission method
03/05/1992WO1991020065A3 Status-reporting device
01/1992
01/29/1992EP0468234A2 Method for increasing the fault security by risk signal systems
01/29/1992EP0468097A2 Danger signal appliance
01/02/1992DE4120126A1 Zustandsmeldevorrichtung Condition reporting device
12/1991
12/27/1991EP0462442A1 Method of preventing arming of an intruder alarm device
12/20/1991WO1991020065A2 Status-reporting device
12/20/1991CA2085872A1 Status-reporting device
11/1991
11/20/1991CN2089191U Auti-theft alarm with self-opening door and conversion function for unit housing
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