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