| Patents for G08B 19 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow (2,746) |
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| 05/18/1988 | EP0039735B1 Apparatus and method for detecting wet and icy conditions on the surface of a pathway |
| 05/03/1988 | US4742227 Mobile type inspection apparatus |
| 04/12/1988 | US4737770 Security system with programmable sensor and user data input transmitters |
| 04/07/1988 | WO1988000747A3 Intrusion detection system |
| 04/06/1988 | CN87200922U Domestic multifunctional alarm |
| 02/16/1988 | US4725819 Fire detection system |
| 01/28/1988 | WO1988000747A2 Intrusion detection system |
| 01/26/1988 | US4721950 Fluid detector |
| 01/26/1988 | US4721949 System for measuring glaze-ice by microprocessor with new release mechanism incorporated |
| 01/20/1988 | EP0253156A1 Intrusion alarm system |
| 01/14/1988 | WO1988000412A1 Improved monitoring methodology |
| 12/16/1987 | EP0249296A2 Device for determination of formation of ice |
| 12/09/1987 | EP0248691A1 Surface probe for a road and its use in detecting the condition and the freezing temperature of an aqueous phase prevailing on the surface |
| 12/05/1987 | CN86211046U Safty, energy-saving, electronic water level display and alarm used for an expansible water tank |
| 11/11/1987 | EP0245113A2 Air condition monitor unit |
| 10/27/1987 | US4703325 Remote subsystem |
| 10/21/1987 | EP0241676A2 Device for registering roadway condition data |
| 09/01/1987 | US4690553 Road surface condition detection system |
| 07/29/1987 | EP0229858A1 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof |
| 06/24/1987 | CN86202759U Multifunctional infared alarm for photographing and timing |
| 06/11/1987 | DE3630709A1 Compact remote transmitter for motion, smoke and temperature data |
| 06/09/1987 | US4672365 Security system with digital data filtering |
| 06/03/1987 | CN86202565U Monitor for measuring the speed of intravenous drip |
| 05/26/1987 | US4668940 Portable hazard warning apparatus |
| 05/26/1987 | US4668939 Apparatus for monitoring disturbances in environmental conditions |
| 05/12/1987 | US4665544 Home control system and interphone system |
| 05/12/1987 | US4665383 Security system with monitoring and warning circuits |
| 03/03/1987 | US4647914 Security apparatus and system |
| 03/03/1987 | CA1218722A1 Method for controlling output of alarm information |
| 02/25/1987 | EP0211126A1 System of measuring black ice by a microprocessor using an incorporated clearing system |
| 02/17/1987 | US4644478 Monitoring and alarm system for custom applications |
| 02/04/1987 | EP0210889A1 High-security modular monitoring and alarm centre and operating method therefor |
| 02/04/1987 | EP0210503A1 Luminous horizontal roadway marking strips |
| 02/03/1987 | US4641127 Security and fire protection system |
| 01/28/1987 | EP0209518A1 Monitor for an alarm system |
| 01/20/1987 | US4638496 Secure reliable transmitting and receiving system for transfer of digital data |
| 12/30/1986 | US4633230 Cooking, fire, and burglar alarm system |
| 12/17/1986 | CN85107435A Electron-monitored alarm for all kinds of cranes |
| 11/25/1986 | CA1214530A1 Automated system monitoring using frequency and amplitude modulation |
| 11/18/1986 | US4623878 Christmas tree mounted smoke detector |
| 10/15/1986 | EP0197815A1 Method ensuring the surveillance of persons and/or goods, and system using this method |
| 10/07/1986 | US4616328 Apparatus for the determination of the technical parameters of machines particularly agricultural machines, based on probable use |
| 09/09/1986 | US4611197 Malfunction-detecting status monitoring system |
| 08/13/1986 | EP0190601A1 Safety device for a shock wave discharge tube |
| 08/13/1986 | CN85202914U High-voltage warner |
| 08/06/1986 | EP0189717A1 Device and installation for the instantaneous detection of one or more physical phenomena having a risk character |
| 07/22/1986 | US4602246 Intruder detector apparatus |
| 07/09/1986 | CN85203345U Multi-purpose warner |
| 06/10/1986 | US4593533 Method and apparatus for detecting and controlling the formation of ice or frost |
| 06/10/1986 | CN85104120A Oil-leaking alarm and fire-extinguishing self-locking device for the oil-filled cable |
| 05/28/1986 | CN85203810U Safe, saving energy electronic warner for boiler |
| 05/13/1986 | US4589081 Intelligent surveillance alarm system and method |
| 04/29/1986 | US4586144 Piping system surveillance apparatus |
| 04/22/1986 | CA1203594A1 Integrated security system having a multiprogrammed controller |
| 04/08/1986 | US4581606 Central monitor for home security system |
| 04/01/1986 | US4578959 Method and apparatus for detecting and controlling the formation of ice or frost |
| 03/26/1986 | EP0175552A2 Improvements in or relating to the monitoring of fluids |
| 03/25/1986 | US4577781 Apparatus for controlling the regulator of a device for spreading salt or the like on roads |
| 03/19/1986 | EP0174804A1 Home control system and interphone system |
| 03/11/1986 | CA1201786A1 Travel burglar/smoke alarm |
| 02/18/1986 | US4571586 Alarm console controls |
| 02/18/1986 | US4570881 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof |
| 02/05/1986 | EP0170559A1 Event control and recording system for safety devices |
| 01/07/1986 | US4562723 Method of and apparatus for the measurement of subterranean atmospheric parameters |
| 12/20/1985 | CN85200873U Cryptographic warning device of steal and fire precaution |
| 12/10/1985 | US4558319 Automated system monitoring using frequency and amplitude modulation |
| 11/19/1985 | US4554459 Monitoring system for a predetermined field of view |
| 11/12/1985 | US4553138 Fire alarm system |
| 11/12/1985 | US4553137 Non-intrusive ice detector |
| 09/12/1985 | WO1985004039A1 Monitor for an alarm system |
| 09/10/1985 | US4540980 Portable security alarm |
| 09/03/1985 | CA1192972A1 Apparatus for monitoring ice formation |
| 08/27/1985 | US4538138 Integrated security system having a multiprogrammed controller |
| 08/27/1985 | US4538064 Device for the monitoring of ice formation |
| 08/20/1985 | US4536747 Comprehensive intruder-environmental hazard detection, control, and action system |
| 08/20/1985 | US4535598 Method and control system for verifying sensor operation in a refrigeration system |
| 08/07/1985 | EP0150836A1 Device for warning of ice |
| 08/06/1985 | US4533904 Combination smoke and burglar alarm |
| 07/10/1985 | EP0041952B1 Danger detection device with detector |
| 06/11/1985 | US4522213 Monitoring device for medical apparatus |
| 06/11/1985 | US4522060 Dry/dew/frost sensor |
| 05/28/1985 | US4520343 Lift control system |
| 05/15/1985 | EP0141132A1 Monitoring and alarm system for custom applications |
| 04/16/1985 | CA1185691A1 Method and apparatus for automatic abnormal events monitor in operating plants |
| 03/26/1985 | CA1184625A2 Fiber optics security system |
| 02/05/1985 | US4498078 Sewing machine with a voice warning device |
| 01/15/1985 | US4494013 Gating circuit with spurious signal prevention means |
| 01/08/1985 | CA1180830A1 Lift control system |
| 01/08/1985 | CA1180829A1 Lift control system |
| 01/02/1985 | CA1180409A Condition sensor interface means |
| 12/19/1984 | EP0128549A1 Alarm installation |
| 12/18/1984 | US4489436 Device for vocally indicating causes of abnormal conditions of a sewing machine |
| 11/20/1984 | US4484181 Travel burglar/smoke alarm |
| 11/07/1984 | EP0070844A4 Gating circuit. |
| 09/04/1984 | US4469944 Optical discriminating fire sensor |
| 08/14/1984 | CA1172722A2 Fire and explosion detection |
| 07/24/1984 | US4461178 Ultrasonic aircraft ice detector using flexural waves |
| 07/18/1984 | EP0113546A2 Automated system monitoring using frequency and amplitude modulation |
| 07/18/1984 | EP0113350A1 Temperature sensitive light reflector particularly ice warning device for road traffic |
| 06/27/1984 | EP0111982A1 Integrated security system having a multiprogrammed controller |