Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › 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
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)
11/1991
11/24/1991CA2017508A1 Turbocharger control system
11/13/1991EP0455765A1 Automatic house-circuit control system
10/1991
10/15/1991US5057994 Control system for industrial plant
09/1991
09/19/1991WO1991014170A1 Process for determining the condition of a road surface
09/19/1991DE4008280A1 Indicating ice etc. on road surface - using IR detector and halogen lamp source with beam modulator and narrow bandpass filter
08/1991
08/28/1991CN2083771U Six-function electronic alarm device
08/27/1991US5043701 Multi-input electrical monitor
07/1991
07/17/1991CN2081114U Multifunctional household alarm for preventing theft and fire
07/03/1991CN2079958U Sight protector
06/1991
06/13/1991WO1991008606A1 Automatic house-circuit control system
06/05/1991CN2078466U Self-locking multifunctional alarm probe
06/04/1991US5021769 Ice detector for protecting boats
05/1991
05/15/1991EP0374161A4 Ice detector probe
05/14/1991CA1284192C Programmable fluid detector
05/01/1991CN2075955U Vision protection device
04/1991
04/17/1991EP0422696A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings
04/17/1991EP0422695A2 A system comprising roadway marking strips
04/17/1991EP0422694A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings
04/10/1991EP0420836A1 Improved monitoring methodology.
04/02/1991US5005005 Fiber optic probe system
03/1991
03/26/1991US5003295 Ice detector probe
03/22/1991WO1991004646A1 Adaptive ice detector circuit
03/22/1991CA2064028A1 Adaptive ice detector circuit
03/09/1991WO1991003805A1 Vehicular monitoring system
03/05/1991CA1281094C Transportable programmed transmitter connectors for a security system
02/1991
02/26/1991US4996493 Instantaneous ice detection system
02/19/1991US4993868 Continuous prefabricated road-marking tape with composite structure and passive and active optical effect completely independent from outside investment and external energy source
01/1991
01/30/1991CN2070480U Multi-function alarm device
01/29/1991US4988996 Display system
12/1990
12/25/1990US4980673 Ice detector circuit
12/19/1990CN2067850U Multipurpose audible alarm
11/1990
11/20/1990CA1276701C Air condition monitor unit
11/13/1990US4970496 Vehicular monitoring system
11/13/1990US4970494 Radio controlled home security system
10/1990
10/16/1990US4964065 Computer-controlled electronic system monitor
10/16/1990CA1275313C Photoelectric ice accumulation monitor using dual detectors
10/09/1990US4962473 Emergency action systems including console and security monitoring apparatus
09/1990
09/26/1990CN2062881U Domestic earthquake anti-theft alarm and concurrently door bell
09/12/1990CN2062088U Multi-function radio-musical alarm
08/1990
08/08/1990EP0381333A2 Method and apparatus for advance warning signalling to a motorist of an ice condition on a driving surface
07/1990
07/26/1990WO1990008418A1 Method and arrangement for controlling electrical devices
07/26/1990WO1990008064A1 Smart skin ice detection and de-icing system
07/10/1990CA1271540A1 Water detection subassembly and method of forming same, for use in association with water detection systems in computer processing centers
06/1990
06/27/1990EP0374161A1 Ice detector probe.
06/26/1990US4937556 Window guard monitoring system and guard
06/26/1990US4936060 Flexible roof control system
05/1990
05/15/1990US4926163 Method and apparatus for advance warning signalling to a motorist of an ice condition on a driving surface
04/1990
04/24/1990CA1268228A1 Voice interactive security system
04/04/1990CN2055621U Multifunction household warner
03/1990
03/13/1990US4908604 Remotely controlled security system
02/1990
02/06/1990US4899217 Communication and energy control system for houses
02/06/1990US4899129 Automated appliance and energy distribution control system
01/1990
01/10/1990CN2050992U Tri-purpose electronic music reminder
01/02/1990US4891628 Environmental matter detection system
11/1989
11/16/1989DE3816416A1 Method and device for detecting the weather-dependent state of smoothness of a road surface
11/16/1989DE3815684A1 Device and circuit arrangement for detecting the formation of black ice
08/1989
08/29/1989US4862142 Circuit with memory for detecting intermittent changes in resistance, current, voltage, continuity, power interruption, light, and temperature
08/29/1989US4862141 Integrated smoke and intrusion alarm system
08/16/1989CN2043027U Pocket radio type multifunction alarm
08/15/1989US4857912 Intelligent security assessment system
08/10/1989WO1989007304A1 Procedure and device for protection against disasters and pollution
08/08/1989US4856072 Voice actuated vehicle security system
08/08/1989US4855714 Fluid status detector
08/01/1989US4853693 Air condition monitor unit for monitoring at least one variable of the ambient air
07/1989
07/26/1989CN2041839U Household multifunction warner
07/25/1989US4851817 Fiber optic probe system
06/1989
06/27/1989US4843336 Detachable multi-purpose self-defending device
06/07/1989EP0319235A2 Communication and energy control system for houses
05/1989
05/30/1989US4834074 Safety system for a shock wave generator
05/02/1989US4827414 Monitoring system and method for nuclear weapons effects detection and damage assessment
04/1989
04/25/1989US4825207 Monitoring of fluids
04/18/1989US4823280 Computer-controlled electronic system monitor
04/11/1989US4821027 Voice interactive security system
03/1989
03/22/1989EP0308046A2 Voice interactive security system
03/07/1989CA1250926A1 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof
02/1989
02/28/1989US4808971 Alarm apparatus
02/07/1989US4803470 Substance detector device
01/1989
01/31/1989US4801924 Transmitter programmer connect system
01/10/1989US4797660 Photoelectric ice accumulation monitor using dual detectors
12/1988
12/15/1988WO1988009980A1 Ice detector circuit
12/15/1988WO1988009941A1 Ice detector probe
11/1988
11/30/1988EP0292639A2 Method for giving a risk of slipperiness formation prewarning signal on a traffic surface
11/17/1988DE3724149A1 Safety device to prevent the freezing up of air systems
11/16/1988CN88210115U Voice and flashing light alarm device
11/15/1988US4785289 Timer controlled fire and burglar alarm system
11/01/1988US4782331 Photoelectric icing detector
10/1988
10/12/1988CN87213939U Gas safety apparatus controlled by temperature and concentration
10/11/1988US4777478 Apparatus for monitoring persons or the like
10/04/1988US4775853 Device and installation for the instantaneous detection of one or more physical phenomena having a character of risk
09/1988
09/27/1988US4774658 For transmitting event information
09/20/1988US4772875 Intrusion detection system
09/06/1988US4769775 Microprocessor-controlled fire sensor
08/1988
08/23/1988CA1241083A2 System for alerting a pilot of a dangerous flight profile during low level maneuvering
08/03/1988EP0276306A1 Intrusion detection system
08/02/1988CA1240050A1 Microprocessor ice crust thickness measuring apparatus having a new built in release mechanism
07/1988
07/12/1988US4757304 Vehicle security system
06/1988
06/28/1988CA1238492A1 Hour meter apparatus and method
06/16/1988DE3640539A1 Ice condition warning arrangement for roads and bridges - measures intensity of reflected laser beam to give advanced warning, e.g. on remote indicator boards
06/08/1988CN87210401U Multi-circuit alarm
05/1988
05/24/1988US4745804 Accretion type ice detector
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