| 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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| 07/30/2002 | US6426703 Carbon monoxide and smoke detection apparatus |
| 07/30/2002 | US6426693 Emergency reporting apparatus with self-diagnostic function |
| 07/25/2002 | WO2002058026A1 System for warning device having information interface |
| 07/25/2002 | US20020097162 Tamper indicator for a smoke detector |
| 07/24/2002 | CN1088225C Active IR intrusion detector |
| 07/23/2002 | US6423962 Test apparatus for testing detectors |
| 07/16/2002 | US6420969 Appliance alarm system |
| 07/11/2002 | WO2002054366A1 A fire detector |
| 07/11/2002 | DE10065048A1 Security system has simple cabling and infrared status indicators |
| 07/04/2002 | US20020085843 Wearable camera system with viewfinder means |
| 07/03/2002 | EP1071931B1 Sensor device and method for operating a sensor device |
| 07/02/2002 | US6415205 Occupancy sensor and method of operating same |
| 07/02/2002 | US6414599 Smoke detector |
| 07/02/2002 | CA2220813C Passive infrared motion detector and method |
| 06/27/2002 | US20020080040 Scattering light smoke alarm |
| 06/27/2002 | US20020080027 Emergency lighting remote monitoring and control system |
| 06/26/2002 | CN1086655C Method for protecting devices, specially car radios against theft |
| 06/20/2002 | WO2002048959A2 A hierarchial neural network intrusion detector |
| 06/20/2002 | WO2002048958A2 Method for training a hierarchical neural-network intrusion detector |
| 06/19/2002 | EP1214229A1 Remote keyless entry system with advanced activation features |
| 06/13/2002 | WO2002046778A1 Circuit monitoring device |
| 06/13/2002 | WO2001088658A3 Piezoelectric cable sensor having remote monitoring self test capability |
| 06/12/2002 | EP1213692A2 Device inventory by sound |
| 06/11/2002 | US6404336 Displacement sensor in a system suitable for controlling movements and alarms |
| 06/11/2002 | US6404326 Redundant power communications circuit |
| 06/06/2002 | US20020067837 Device inventory by sound |
| 06/06/2002 | US20020067276 System for testing a duct smoke or other hazardous gas detector and method for use thereof |
| 06/06/2002 | DE10046992C1 Streulichtrauchmelder Scattered light smoke detector |
| 06/05/2002 | CN1352430A Remote specific special car monitoring method and device |
| 05/29/2002 | CN2493986Y Multi-function door bell type theft-proof alarm |
| 05/28/2002 | US6396405 Automatic verification of smoke detector operation within calibration limits |
| 05/23/2002 | US20020060632 Smoke detector |
| 05/21/2002 | US6392553 Signal interface module |
| 05/21/2002 | US6392536 Multi-sensor detector |
| 05/16/2002 | US20020057915 Method and apparatus for enhancing personal safety with conspicuously concealed, incidentalist, concomitant, or deniable remote monitoring possibilities of a witnessential network, or the like |
| 05/16/2002 | US20020057198 Danger signaling system |
| 05/15/2002 | EP1204955A1 Anti-theft electrical power cord |
| 05/07/2002 | US6384723 Digital communication system and method |
| 05/07/2002 | US6384414 Method and apparatus for detecting the presence of an object |
| 05/01/2002 | CN2489411Y Electric theft-proof alarm |
| 05/01/2002 | CN1083780C Device for monitoring electric system of automobile |
| 04/30/2002 | US6380854 Remote alarm tester |
| 04/30/2002 | CA2298744C Multi-station dangerous condition alarm system incorporating alarm and chirp origination feature |
| 04/25/2002 | US20020047782 Device for and method of testing a fire alarm |
| 04/25/2002 | DE19924950A1 Device for identifying vehicle break-in, includes mobile receiver for reception of first signals |
| 04/24/2002 | CN2488119Y Automatic speech alarm of infrared ray monitoring |
| 04/23/2002 | US6377183 Smoke detector having a moisture compensating device |
| 04/23/2002 | US6377174 Intrusion detector having a sabotage surveillance device |
| 04/23/2002 | US6377170 Signal emitter having a testing device |
| 04/18/2002 | WO2001099075A3 Object proximity/security adaptive event detection |
| 04/18/2002 | US20020044061 Carbon monoxide and smoke detection apparatus |
| 04/18/2002 | US20020044054 Method and apparatus for detecting moving objects, particularly intrusions |
| 04/18/2002 | DE10051329A1 Gefahrenmeldeanlage Hazard detection system |
| 04/18/2002 | DE10040570C1 Prüfvorrichtung zur Funktionsprüfung eines Temperaturfühlers eines Melders, Melder und Verfahren zur Funktionsprüfung eines Melders Tester for testing the function of a temperature sensor of a detector, detector and method for testing the function of a detector |
| 04/17/2002 | EP1197936A2 Alarm system |
| 04/17/2002 | EP1196907A1 Audio signal sound diffusion system |
| 04/16/2002 | US6374196 Method of fault diagnosis based on propagation model |
| 04/11/2002 | US20020042694 Process monitoring and control using self-validating sensors |
| 04/11/2002 | DE10140134A1 Multi-sensor detector e.g. for detecting gas quality to detect fire state, delivers information relating to ambient states via data communication medium |
| 04/04/2002 | WO2002027293A2 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 |
| 03/27/2002 | EP1191497A2 Device and method for checking a fire detector |
| 03/27/2002 | EP1191496A1 Light scattering smoke detector |
| 03/26/2002 | US6362743 Smoke alarm with dual sensing technologies and dual power sources |
| 03/26/2002 | US6362736 Method and apparatus for automatic recovery of a stolen object |
| 03/26/2002 | US6362466 Optical object detection having circuitry applying logarithmic function to the average of filtered output |
| 03/14/2002 | WO2002021552A1 Enabler of teaching pendant |
| 03/14/2002 | US20020030593 Touch pad, led motion detector head |
| 03/13/2002 | EP1187081A2 Fire alarm system and terminal equipment in the same |
| 03/13/2002 | EP0865646B1 Method for analyzing the signals of a danger alarm system and danger alarm system for implementing said method |
| 03/07/2002 | DE10047194C1 Device for testing fire alarm consisting of smoke detector and gas sensor comprises testing head holding alarm, first gas bottle having first gas outlet opening protruding into testing head, and gas bottle for process gas |
| 03/07/2002 | DE10036573A1 Siren drive circuit, e.g. for burglar alarm has additional micro-controller for providing communication via data line in event of fault |
| 03/06/2002 | EP1184826A2 Device for the functional testing of a temperature sensor in a detector |
| 03/06/2002 | EP1184825A2 Interconnectable detector with local alarm indicator |
| 03/06/2002 | CN1338405A Monitor unit for electric appliances in car |
| 03/06/2002 | CN1080493C Method for signal degrade detection and cancellation in synchronous digital microwave system |
| 03/05/2002 | US6353395 Interconnectable detector with local alarm indicator |
| 02/28/2002 | US20020024436 Fire alarm system and terminal equipment in the same |
| 02/26/2002 | US6351606 Electronic camera, method for detecting obstruction to electronic flash and method for correcting exposure level |
| 02/26/2002 | US6351234 Combination microwave passive infrared motion detector with anti-masking evaluation |
| 02/26/2002 | US6351212 System for monitoring operability of fire event sensors |
| 02/21/2002 | WO2002015137A2 Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature |
| 02/21/2002 | WO2001080194A3 Processor based wireless detector |
| 02/21/2002 | US20020021224 Testing device for operation testing of a temperature sensor of an alarm or an alarm and a method of operation testing of an alarm |
| 02/21/2002 | US20020021223 Processor based wireless detector |
| 02/19/2002 | US6348871 Adverse condition detection and notification apparatus |
| 02/19/2002 | US6348863 Method and apparatus for detecting moving objects, particularly intrusions |
| 02/14/2002 | WO2002013159A1 Bolt tamper sensor |
| 02/12/2002 | US6346881 Tag evaluation module for radio frequency identification (RFID) systems |
| 02/12/2002 | US6346880 Circuit and method for controlling an alarm |
| 02/05/2002 | CA2222619C Multi-signature fire detector |
| 01/31/2002 | US20020011570 Fire detector and housing |
| 01/24/2002 | US20020008495 Battery system |
| 01/24/2002 | US20020007660 Piezoelectric cable sensor having remote monitoring self test capability |
| 01/24/2002 | US20020007510 Smart bathroom fixtures and systems |
| 01/23/2002 | EP1174839A2 Anti-tamper device and relative method for detecting tampering with a component |
| 01/23/2002 | EP1174834A2 Device location and identification system |
| 01/17/2002 | CA2352427A1 Device location and identification system |
| 01/16/2002 | CN1077992C Multiple sensor appts. and method |
| 01/15/2002 | US6339374 Receiving indication apparatus for e-mail |
| 01/15/2002 | US6339373 Sensor device providing indication of device health |