| 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) |
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| 04/05/2001 | WO2001023228A1 Remote keyless entry system with advanced activation features |
| 04/04/2001 | EP0877995A4 Method for dynamically adjusting fire detection criteria |
| 04/04/2001 | CN1290418A Advanced battery controller with state of charge control |
| 03/27/2001 | US6208257 Inspection apparatus of an emergency exit light |
| 03/22/2001 | WO2001020569A1 Adverse condition detection and notification apparatus |
| 03/22/2001 | DE19943503A1 Equipment for safe automation of machines and electrical equipment comprises decentralized switch units receiving signals from safety sensors and supplying e.g. actuators and motors |
| 03/22/2001 | CA2384742A1 Adverse condition detection and notification apparatus |
| 03/21/2001 | EP0904582A4 Random interval personal monitoring system |
| 03/21/2001 | CN2424504Y Anti-theft warner with emergency power supply function |
| 03/15/2001 | WO2001018762A1 Improvements in or relating to detection systems |
| 03/15/2001 | DE19940087A1 Detector for acousto-magnetic product security label and radio frequency product security label has both antennas in fixtures installed at exit of protected area |
| 03/15/2001 | DE10021076A1 Fehlererfassungsanordnung eines Notrufendgeräts Error detection arrangement of an emergency call terminal |
| 03/14/2001 | EP1012801A4 Remote detecting system and method |
| 03/08/2001 | DE19940522A1 Outside area surveillance system incorporates monitoring for detecting sabotage of detectors or alarm sources |
| 03/07/2001 | EP0715746B1 Communication system and method |
| 03/07/2001 | CN1062962C Serial defense area expander |
| 03/06/2001 | US6198399 Smoke detector test device and method for manufacture |
| 02/28/2001 | EP1079351A1 Space surveillance device |
| 02/28/2001 | EP1079350A1 Space surveillance device |
| 02/28/2001 | EP1078343A1 Power-on mask detection method for motion detectors |
| 02/28/2001 | EP0634009B1 Improved diffusion-type gas sample chamber |
| 02/27/2001 | US6195011 Early fire detection using temperature and smoke sensing |
| 02/22/2001 | DE4344172C2 Verfahren und Anordnung zur Synchronisierung der Außeneinheiten einer Funkalarmanlage mit der Zentraleinheit Method and apparatus for synchronizing the outdoor unit of a wireless alarm system with the central unit |
| 02/20/2001 | US6191688 Power-on mask detection method for motion detectors |
| 02/15/2001 | WO2001011580A1 Anti-theft electrical power cord |
| 02/13/2001 | US6188318 Dual-technology intrusion detector with pet immunity |
| 02/01/2001 | DE10036168A1 Brandmelder und Geräuschbeseitigungsverfahren für die Brandmeldevorrichtung Fire detection and noise removal method for the fire alarm device |
| 01/31/2001 | EP1071931A1 Sensor device and method for operating a sensor device |
| 01/25/2001 | WO2001006475A1 Audio signal sound diffusion system |
| 01/25/2001 | DE19924400C1 Brandmelder und Verfahren zur Branddetektion Fire alarm and fire detection method for |
| 01/11/2001 | DE19932263A1 Open area monitoring system has cameras in outer area that secure inner area, proximity sensors that secure outer area enclosing inner area; cameras images are evaluated automatically |
| 01/11/2001 | DE19930992A1 Monitoring function of signal cable for transferring vehicle speed signal involves permanently feeding base signal into cable, detecting presence of base signal in controller |
| 12/26/2000 | US6166633 Process for reducing motion-type false alarm of security alarm system with self-analyzing and self-adjusting control |
| 12/20/2000 | EP1061489A1 Intrusion detector with a device for monitoring against tampering |
| 12/14/2000 | DE19926773A1 Procedure for testing the operation of fire warning and reporting devices together with smoke extraction plants in buildings by generation of a hot gas and injection of smoke particles and frozen air into the flow |
| 12/06/2000 | CN2409091Y Horn noise controller for automobile |
| 12/05/2000 | US6157299 Process of reducing motion-type false alarm of security alarm system with multiple time-setting adjustment control |
| 11/30/2000 | WO2000072284A1 Enhanced visual and audible signaling for sensed alarm condition |
| 11/30/2000 | WO2000072282A1 Self adjusting smoke detector |
| 11/29/2000 | EP1056062A2 Fire detector |
| 11/29/2000 | EP1055276A1 Advanced battery controller with state of charge control |
| 11/29/2000 | EP0748492B1 Method and device for sensing, identifying and protecting goods, particularly from theft |
| 11/28/2000 | US6154142 Fire sensor and fire detecting method |
| 11/28/2000 | US6154129 Operation system for transmission devices and alarm monitoring method |
| 11/21/2000 | US6150940 Anti-theft electrical power cord |
| 11/21/2000 | US6150936 Method and system for analyzing received signal strength |
| 11/21/2000 | US6150935 Fire alarm system with discrimination between smoke and non-smoke phenomena |
| 11/21/2000 | US6150923 Alarm system |
| 11/16/2000 | DE10021976A1 Heat detector with alarm temperature threshold for testing alarm operation includes a push-to-test circuit with a parallel circuit for a test resistor and a transistor both wired between a supply resistor and a voltage source. |
| 11/09/2000 | DE19920299A1 Safety signal detection, transmission and processing method for machine tool or industrial robot |
| 10/31/2000 | US6140926 Redundant status indicators for fault tolerance |
| 10/11/2000 | EP1043826A2 Emergency lighting unit and remote handset |
| 10/10/2000 | US6130611 Locking system for entry door to a security enclosure, able to control the development of a parameter linked to the environment of the enclosure |
| 09/28/2000 | WO2000057381A1 Power-on mask detection method for motion detectors |
| 09/27/2000 | CN2398694Y Distribution module overtension alarm device for stored program controlled electronic telephone switching system |
| 09/27/2000 | CN2398693Y Hand adjustable schedule for institute and school |
| 09/26/2000 | US6124790 System and method for filtering an alarm |
| 09/20/2000 | EP1037184A1 Casing for hazard warning device |
| 09/19/2000 | US6121874 Multi-station dangerous condition alarm system incorporating alarm and chirp origination feature |
| 09/13/2000 | EP1035528A2 Fire alarm system |
| 09/07/2000 | DE19906627A1 Monitoring and/or control method involves supplying power to device drives over bus system's cable connections via which sensors are connected to central station to pass device status signals |
| 09/06/2000 | EP1033690A2 Anti-radio blinding module for antitheft systems |
| 09/04/2000 | CA2264364A1 Wall-mounted smoke detector shutoff warning device |
| 08/29/2000 | US6111367 Light emission circuit |
| 08/22/2000 | US6107933 Security system for vehicle navigation system and method of detecting identification code |
| 08/22/2000 | US6107925 Method for dynamically adjusting criteria for detecting fire through smoke concentration |
| 08/22/2000 | US6107919 Dual sensitivity mode system for monitoring processes and sensors |
| 08/16/2000 | EP1028582A2 Method and system for detecting a security system breach using telecommunications equipment |
| 08/16/2000 | EP0944883B1 Intrusion protection system with television device |
| 08/15/2000 | US6104306 Closure-sensitive signalling device with cantilever switch |
| 08/15/2000 | US6104303 Battery detecting device for a radio pager |
| 08/15/2000 | US6104286 Monitoring alarm systems |
| 08/09/2000 | EP1026521A2 Method and apparatus for detecting an object |
| 08/09/2000 | EP0636266B1 Device for testing smoke detectors |
| 08/02/2000 | EP1023512A1 Lock managing a parameter related to the surroundings |
| 08/01/2000 | US6097289 Intelligent speaker controller for a fire alarm system |
| 08/01/2000 | US6097279 Retractable tamper resistant annunciator |
| 07/31/2000 | CA2297360A1 Switching circuit which functions in conjunction with a 9-volt d. c. battery powered smoke detector and a 9-volt d.c. power adaptor |
| 07/26/2000 | EP0880764A4 Multi-signature fire detector |
| 07/25/2000 | US6094143 Light obstruction type smoke sensor |
| 07/25/2000 | US6094136 Burglar alarm protection system |
| 07/25/2000 | CA2174175C Self-diagnostic smoke detector |
| 07/19/2000 | EP1020828A1 Emergency reporting apparatus with self-diagnostic function |
| 07/11/2000 | US6087933 Antenna switching for amplitude degradation during supervision and installation of wireless security systems |
| 07/05/2000 | EP1016053A1 Evacuation alarm intended to work in buildings and small regions |
| 07/04/2000 | US6084521 Waterflow detector with electronic timer |
| 06/29/2000 | WO2000037893A1 Device for acquiring logic states of multiple sensors |
| 06/28/2000 | EP1014325A1 Improvements in anti-intrusion systems against false-alarms |
| 06/28/2000 | EP1014324A1 PIR detector |
| 06/28/2000 | EP1012801A2 Remote detecting system and method |
| 06/28/2000 | CN1258136A Apparatus and method for diagnosis of line shunting and grounding fault |
| 06/27/2000 | US6081197 Fire detector silenceable low battery pre-alarm |
| 06/27/2000 | US6081195 System for monitoring operability of fire event sensors |
| 06/27/2000 | US6081193 Electronic intrusion detection system for monitored environments |
| 06/21/2000 | EP0765513B1 Self-diagnostic smoke detector |
| 06/21/2000 | DE19952702A1 Synchronized data communication system for optimum operation with various types of cables, has interface and control which receives signal from status sensors. |
| 06/20/2000 | US6078254 Suspended code for alarm system |
| 06/20/2000 | US6078253 Occupancy sensor and method of operating same |
| 06/20/2000 | US6077107 Terminal and door latch for battery operated devices |
| 06/08/2000 | DE19854780A1 Ionisationsrauchmelder Ionization Smoke Detector |