Patents
Patents for G08B 29 - Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation (6,872)
02/2003
02/05/2003EP1281167A1 A system and an arrangement to determine the position in a hazardous situation
02/04/2003US6515589 Scattering light smoke alarm
02/04/2003US6515283 Fire detector with modulation index measurement
01/2003
01/30/2003US20030020617 Detector with ambient photon sensor and other sensors
01/23/2003WO2002058026A9 System for warning device having information interface
01/23/2003US20030016128 Environmental monitoring system
01/22/2003CN1099660C Method of detecting flame and flame detector for carrying out the method
01/21/2003US6510403 Time constrained sensor data retrieval system and method
01/21/2003US6509835 Filtering method and circuit particularly useful in doppler motion sensor devices and intrusion detector systems
01/16/2003US20030011473 Apparatus and method for detecting intrusion and non-intrusion events
01/15/2003CN1099094C 火警系统 Fire alarm system
01/14/2003US6507277 Danger signalling system
01/14/2003US6507023 Fire detector with electronic frequency analysis
01/03/2003WO2003001331A2 Environmental monitoring system
01/02/2003US20030001746 Self-diagnostic smoke detector
01/02/2003EP1271444A1 Video smoke detecting system and method for testing the same
12/2002
12/31/2002US6501810 Fast frame synchronization
12/26/2002US20020196140 Method and device for event detection utilizing data from a multiplicity of sensor sources
12/24/2002US6498563 Synchronized communication system
12/19/2002US20020193076 Medical monitoring system having multipath communications capability
12/12/2002US20020186141 Wireless transfer of data from a detector
12/11/2002EP1264292A1 Pet resistant pir detector
12/11/2002CN2525608Y Answering type anti-theft alarm device
12/10/2002US6493687 Apparatus and method for detecting glass break
12/10/2002US6492907 Detector system
12/10/2002US6492905 Object proximity/security adaptive event detection
12/04/2002EP1261954A1 A tag evaluation module for radio frequency identification (rfid) systems
11/2002
11/28/2002US20020177428 Remote notification of monitored condition
11/28/2002US20020175815 Dual technology occupancy sensor and method for using the same
11/27/2002EP0973659B1 Method for protecting devices, specially car radios, against theft
11/27/2002EP0970458B1 Walk-test control circuit for security alarm device
11/27/2002CN1382289A Time constrained sensor data retrieval system and method
11/26/2002CA2324274C Sensor device providing indication of device health
11/21/2002US20020174367 Method and apparatus for remotely monitoring a site
11/21/2002US20020170142 Smoke detector changing device
11/21/2002DE10104861A1 Method for recognizing a fire uses optical measurement to recognize the fire on reaching an alarm threshold through a measurement value in the optical measurement.
11/20/2002EP1258849A2 Anti-intrusion detecting device
11/20/2002CN2521680Y Line antitheft umbrella
11/14/2002WO2002073565A9 Smoke detector changing device
11/14/2002DE10122572A1 Smoke detector system for buildings with high ceilings has integral self-test sensor system
11/12/2002US6480109 Alarm lockout apparatus
11/07/2002WO2002089338A2 Selective metal removal process for metallized retro-reflective and holographic films and radio frequency devices made therewith
11/07/2002WO2002089082A1 Compact particle sensor
10/2002
10/31/2002WO2002086835A1 Medical monitoring system having multipath communications capability
10/31/2002US20020160746 Emergency alarm terminal and emergency alarm system
10/31/2002CA2444956A1 Medical monitoring system having multipath communications capability
10/30/2002EP1252613A1 Time constrained sensor data retrieval system and method
10/29/2002US6472997 Touch pad, led motion detector head
10/24/2002US20020156166 Composition for use in the testing of smoke detectors
10/24/2002US20020154023 Bolt tamper sensor
10/24/2002US20020154009 Distributed verification, confirmation or delay time system and method
10/23/2002EP1251471A2 Fire alarm system with smoke particle discrimination
10/22/2002US6469625 Security sensor having disturbance detecting capability
10/22/2002US6469623 Smoke detector maintenance and verification tool
10/17/2002WO2002081212A1 Chemical imaging of a lithographic printing plate
10/17/2002DE10117939A1 Object surveillance device has recording of image sequence by camera triggered via movement detector or signal from acoustic signal source
10/17/2002CA2442832A1 Chemical imaging of a lithographic printing plate
10/16/2002EP1249004A1 Method to manufacture a smart label inlet web and a smart label inlet web
10/09/2002EP0882278B1 An alarm system
10/08/2002US6462663 Use of detector arrays to detect cessation of motion
10/08/2002US6462657 Intrusion detection apparatus having a virtual capacitor
10/08/2002US6462652 Distributed verification, confirmation or delay time system and method
10/03/2002WO2002077938A1 Personal property alarm system
10/03/2002WO2001020569A9 Adverse condition detection and notification apparatus
10/03/2002CA2441584A1 Personal property alarm system
10/02/2002CN1372229A Danger signal reporting system
10/01/2002US6459370 Method and apparatus for determining proper installation of alarm devices
09/2002
09/26/2002US20020135481 Tamper evident smart label with RF transponder
09/26/2002US20020134131 Ducted test tool
09/24/2002US6456379 Optical smoke detector operating in accordance with the extinction principle and method for compensating its temperature drift
09/24/2002US6456322 Intrusion protection system with television device
09/19/2002WO2002073565A1 Smoke detector changing device
09/19/2002US20020130782 Device with silencing circuitry
09/19/2002DE10109362A1 Verfahren zur Branderkennung Methods of fire detection
09/19/2002DE10102856A1 Microphone for alarm intercom incorporates function monitoring of mechanical parts of microphone
09/19/2002CA2441316A1 Smoke detector changing device
09/18/2002EP1241649A2 Composition for use in the testing of smoke detectors
09/17/2002US6452403 Test apparatus for vehicle intrusion alarm
09/17/2002US6452361 Battery system
09/12/2002WO2002071361A1 Smoke detector
09/12/2002WO2002071357A1 Device with silencing circuitry
09/12/2002US20020126016 Remotely controlled smoke alarm assembly
09/11/2002CN1368711A Alarm device for broken power transmission line
09/06/2002WO2002069297A1 Method for recognition of fire
09/06/2002WO2002069296A1 Distributed verification, confirmation or delay time system and method
09/04/2002EP1236085A1 Method of linking authorized users to a plurality of devices
09/04/2002EP0898771B1 An electronic intrusion detection system for monitored environments
09/03/2002US6445292 Processor based wireless detector
08/2002
08/28/2002EP1235193A2 Multiuse on/off switch for hazard detector
08/28/2002CN1366651A Ducted test tool
08/27/2002US6441733 Method for making security systems more tamper resistant and a security system
08/22/2002US20020113698 System for detecting intruders
08/20/2002US6437698 Smoke alarm device
08/14/2002CN1364283A Method for processing of signal from alarm and alarms with means for carrying out said method
08/13/2002US6433700 Multiuse on/off switch for hazard detector
08/08/2002US20020105410 Means, apparatus, and method of security and convenience through voluntary disclosure
08/08/2002US20020104455 Chemical imaging of a lithographic printing plate
08/01/2002WO2002027293A3 Gas or heat detector, gas or heat generator, flue gas generator, method for testing a gas detector or a heat detector, and method for testing a flue gas detector
08/01/2002US20020101345 Smoke detector maintenance and verification tool
07/2002
07/31/2002EP1226567A1 Adverse condition detection and notification apparatus
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