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)
03/1995
03/21/1995US5398547 Apparatus for measuring ice distribution profiles
03/21/1995CA1334858C Security and alarm system
02/1995
02/28/1995US5393978 Infrared detectors having front and rear fields of view
02/22/1995EP0639289A1 Surveillance and alarm device for room spaces
02/15/1995EP0420836B1 Improved monitoring methodology
11/1994
11/30/1994EP0596076A4 Travel convenience and security device.
11/30/1994EP0396590B1 Procedure and device for protection against disasters and pollution
11/02/1994EP0621972A1 Alarm sensor
11/02/1994CN1094550A Remote-control target automatic tracking device
10/1994
10/19/1994CN2179989Y Multi function alarm
10/18/1994US5357441 Moisture content measuring apparatus and method
10/05/1994EP0617823A1 A system and method for automatically controlling a space
10/05/1994EP0617822A1 System and method for controlling conditions in a space.
09/1994
09/15/1994WO1994020819A1 Method of and apparatus for measuring ice distribution profiles
09/15/1994CA2158030A1 Method of and apparatus for measuring ice distribution profiles
09/06/1994US5345223 Snow sensor
08/1994
08/03/1994EP0472668B1 Process for determining the condition of a road surface
07/1994
07/21/1994WO1994015818A1 Automotive security system with discrimination between tampering and attack
05/1994
05/17/1994US5313202 Method of and apparatus for detection of ice accretion
05/11/1994EP0596076A1 Travel convenience and security device
05/03/1994US5309146 Room occupancy indicator means and method
05/03/1994US5309145 Travel convenience and security device
05/03/1994CA1329248C Control system for industrial plant
04/1994
04/28/1994WO1994009463A1 System for detecting ice on metal surface
04/21/1994DE4300896C1 Road surface characteristics evaluation system - uses reflection of IR beam directed onto road surface at Brewster angle.
04/21/1994DE4235104A1 Road condition detecting unit identifying state of road surface lying before moving motor vehicle - uses two adjustable light transmitting and receiving systems at different angles of elevation and supplying evaluation circuit correlating receiver signals
04/20/1994CN1085675A Alarming system attachable to closed-circuit television network
03/1994
03/17/1994WO1994006035A1 Snow sensor
03/17/1994CA2143298A1 Snow sensor
02/1994
02/01/1994US5283549 Infrared sentry with voiced radio dispatched alarms
01/1994
01/05/1994CN2152256Y Portable alarm for environment comprehensive inspection
12/1993
12/15/1993CN1079556A Travel convenience and security device
12/09/1993DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel
12/02/1993DE4217710A1 Continuous detection of slippery winter road surfaces - determining and comparing driving parameters and boundary conditions for motor car
11/1993
11/11/1993WO1993022755A1 Surveillance and alarm device for room spaces
11/11/1993WO1993022752A1 Travel convenience and security device
11/11/1993CA2112680A1 Travel convenience and security device
10/1993
10/27/1993EP0490990A4 Vehicular monitoring system
10/06/1993EP0563174A1 Ice detector
09/1993
09/08/1993EP0559270A1 Access system for managing a set of geographically distributed premises
09/01/1993EP0374161B1 Ice detector probe
08/1993
08/25/1993CN2141103Y Multi-purpose five-functional message reporter for household
08/18/1993CN1075369A System and method for controlling conditions in a space
08/05/1993DE4202691A1 Measuring weather-dependent road conditions - comparing data from evaluated microwave reflection with stored reference data to determine state of road surface
07/1993
07/22/1993WO1993014479A1 Alarm sensor
07/21/1993EP0551496A1 Integrated safety monitoring and alarm system
07/08/1993WO1993013507A1 A system and method for automatically controlling a space
07/08/1993WO1993013506A1 System and method for controlling conditions in a space
07/08/1993CA2126219A1 A system and method for automatically controlling a space
07/08/1993CA2116864A1 System and method for controlling conditions in a space
07/07/1993CN2137803Y Indoor safety monitoring device
06/1993
06/08/1993US5218206 Method for determining the condition of a roadway surface
05/1993
05/05/1993CN2132228Y Multifunction safety lamp with alarm
04/1993
04/27/1993US5206806 Smart skin ice detection and de-icing system
04/21/1993CN1071228A Automatic starting circuit structure of automotive two-track telecontrol engine
04/14/1993CN2129952Y Multifunction alarm device
03/1993
03/16/1993US5195046 Method and apparatus for structural integrity monitoring
03/09/1993US5191791 Piezoelectric sensor
02/1993
02/25/1993DE4141446C1 Measuring thickness of layer of water, snow or ice - evaluating reflected EM radiation directed at inclined angle from above surface e.g. road
02/24/1993CN2127507Y Safety programme control anti-theft alarm device
02/23/1993US5187980 Detecting the adhesion of a solid material to a particular surface
02/17/1993CN2127195Y Multi-functional omnibearing alarm
02/16/1993CA1313702C Communication and energy control system for houses
02/13/1993CA2075397A1 Fire protection system for rural unheated structures
02/07/1993WO1993003465A1 Integrated safety monitoring and alarm system
01/1993
01/27/1993CN1068437A 移动监视装置 Mobile monitoring device
01/20/1993CN1068206A Alarm device with vibration and temperature indications
01/19/1993US5181010 Automotive security system with discrimination between tampering and attack
01/13/1993EP0522200A2 Mobile monitoring device
12/1992
12/16/1992CN2125167U Breakdown alarm for fishing vessel diesel engine
12/16/1992CN2125166U Multifunctional electronic safety alarm
12/10/1992WO1992022046A1 Infrared sentry with voiced radio dispatched alarms
11/1992
11/24/1992US5165465 Room control system
10/1992
10/21/1992EP0494226A4 Adaptive ice detector circuit
10/21/1992CN2119692U Multifunctional intelligent alarm with electronic clock
10/20/1992US5157378 For use with a firefighter's breathing system
09/1992
09/16/1992CN2116256U Multifunctional alarm
08/1992
08/26/1992CN2114196U Micropower electronic alarm
08/20/1992WO1992014225A1 Remote setting of alarm systems
08/18/1992US5140135 Adaptive ice detector circuit
07/1992
07/22/1992CN2110900U Alarm for mixing water or low-level of diesel oil
07/15/1992EP0494226A1 Adaptive ice detector circuit.
07/09/1992WO1992011616A1 Ice detector
07/01/1992CN2108969U Multifunctional alarm
06/1992
06/24/1992EP0490990A1 Vehicular monitoring system.
06/13/1992CA2032018A1 Alarm system
05/1992
05/05/1992CA1300246C Ice detector probe
04/1992
04/28/1992CA1299660C Tag for use with personnel monitoring system
04/22/1992EP0481315A2 Procedure and device to detect the presence of snow and ice
04/02/1992DE4029615A1 Road condition data detection appts. - has sensors in block consisting of two hollow cylinders with sealing o-rings at joint and embedded in road surface
03/1992
03/31/1992US5101191 Electrical and communication system capable of providing uninterruptable power in a house
03/18/1992CN2099350U Methane/oxygen alarm
03/17/1992US5095754 Apparatus and method for detection of icing onset and ice thickness
03/10/1992CA1297085C Luminous horizontal roadway markings
03/04/1992EP0472668A1 Process for determining the condition of a road surface.
01/1992
01/15/1992CN2093421U Urine-wetting and door bell dual-purpose alarm device
12/1991
12/31/1991US5077547 Non contact programming for transmitter module
12/24/1991US5074137 Programmable atmospheric stabilizer
12/24/1991CA1293549C Ice detector circuit
12/18/1991CN2091010U Multifunctional alarm
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