Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 21 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Patents for G08B 21 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for (34,716)
12/1988
12/13/1988US4791413 Soil moisture detector with light activated audio alarm inhibitor
12/13/1988US4791410 Alarm system
12/07/1988EP0294159A1 Branched sensor system
11/1988
11/24/1988DE3728785A1 Portable radio set for transmitting short written characters in emergencies, having a range covering Europe
11/24/1988DE3716081A1 Device for continuously providing a corrosion protection in a steel-sheet heating-oil storage container
11/17/1988EP0291183A2 Semi-automatic mechanical transmission control display and fault indicator
11/15/1988US4785291 Distance monitor especially for child surveillance
11/15/1988US4785197 Tilt switch
11/09/1988CN88203759U Automatic alarm for health
11/08/1988CA1244533A1 Flood detector
11/03/1988WO1988008655A1 Remote confinement system
11/03/1988WO1988008596A1 A method in alarm system, including recording of energy consumption
11/03/1988DE3713032A1 Water monitor with a water sensor
11/03/1988DE3713031A1 Water monitor
11/02/1988CN87201013U Alarm device for fluid infusion
11/01/1988US4782331 Photoelectric icing detector
10/1988
10/26/1988EP0287568A1 Method of slumber detection
10/26/1988CN88101955A Ground proximity approach warning system without landing flap input
10/25/1988US4780706 Pet or infant training device and method
10/25/1988CA1243743A1 Load sensing alarm condition monitor
10/20/1988WO1988008182A1 Ground proximity approach warning system without landing flap input
10/19/1988CN88101747A Reactive windshear warning instrument
10/11/1988US4777611 Apparatus for detecting abnormal variations of wheels of vehicle
10/11/1988US4777527 Moving video surveillance system
10/11/1988US4777478 Apparatus for monitoring persons or the like
10/11/1988US4777477 Surveillance alarm-security system
10/06/1988WO1988007734A1 Reactive windshear warning instrument
10/05/1988CN87207084U Gas warner
10/04/1988US4775854 Swimming pool alarm
10/04/1988US4775853 Device and installation for the instantaneous detection of one or more physical phenomena having a character of risk
09/1988
09/28/1988EP0284217A1 Malfunction detector
09/28/1988EP0283631A2 Method and device for audible signalling of drownings in swimming pools
09/28/1988CN87216455U Electronic warner with sound-light display
09/28/1988CN87209935U Warner for harmful gas
09/21/1988CN88200784U Xu's 1.5v minitype / moisture alarming pen
09/20/1988US4772945 Surveillance system
09/15/1988DE3706680A1 Method and device for monitoring electricity pylons for intentional damage
09/14/1988CN87209427U Alarm for lossing goods from truck
09/07/1988WO1988006549A1 A dive parameter indicating assembly
08/1988
08/31/1988EP0280124A1 Doze detector
08/30/1988US4768088 Apparatus for commanding energization of electrical device
08/25/1988DE3742827A1 Device for detecting and giving a warning signal in the event of the presence of dangerous gaseous substances, in particular liquid gas
08/23/1988CA1241081A1 Excessive terrain closure warning system
08/16/1988US4764762 Earthquake alarm assembly
08/16/1988US4764761 Earthquake alarm
08/09/1988US4763112 Automatically self-alarming electronic clinical thermometer
08/04/1988DE3701784A1 Monitoring circuit for the protection of devices which are supported on a plurality of feet, especially high-voltage pylons
08/03/1988EP0276335A1 Environmental indicator device and method
08/03/1988CN87208326U Alarm for sleeping driver
08/02/1988US4761638 Means and method for detecting presence of electrically conductive fluid
08/02/1988CA1239993A1 Micropower dc voltage indicator
07/1988
07/28/1988WO1988005580A1 Personal alarm system
07/27/1988CN87201576U Portable health protection instrument
07/26/1988US4760379 Fail-safe high temperature alarm
07/20/1988EP0274525A1 Ground proximity warning system terrain classification system
07/20/1988CN85108362A Method of phase-opening time counting and its equipments
07/19/1988US4757825 Cardio-pulmonary activity monitor
07/05/1988US4755806 Movement sensor
06/1988
06/23/1988DE3642406A1 Electronic monitoring and control device for filling safety means
06/22/1988EP0271787A2 Personal-protection radio apparatus
06/22/1988EP0271724A2 Apparatus for the indication of interesting values in respect of a hydro-culture
06/22/1988CN87203451U Warner for fluid infusion
06/15/1988EP0271071A2 Monitoring system for electricity pylons
06/15/1988CN87202769U Multi-purpose alarm
06/08/1988EP0120917B1 Combustible vapor detection system
06/08/1988CN87209558U Alarm for approaching high voltage
06/08/1988CN87204293U Radio remote-controlled anti-cold alarm for children
06/01/1988EP0268587A1 An alarm system
06/01/1988CN87200693U Energy-saving bridge-type multipurpose message calling and alarm device
05/1988
05/31/1988US4747364 Flow rate threshold sensor
05/31/1988US4747168 For automatically lifting a person/object from a swimming pool
05/31/1988CA1237505A1 Detector apparatus of inflammable gas
05/24/1988US4747120 Automatic personnel monitoring system
05/24/1988US4747085 Method and apparatus for monitoring swimming pools
05/24/1988US4746911 Alarm device for isolated pipe systems
05/24/1988US4746907 Towel cabinet replenishment indication and identification system
05/24/1988US4745882 Electronic confinement and communications arrangement for animals
05/18/1988EP0267195A1 Fault monitoring apparatus and monitoring system therefor
05/10/1988US4743893 Equi crane anti-tipping device
05/10/1988US4743892 On-site personal monitoring system
05/05/1988DE3717523C1 Protective means for a steel lattice mast
05/04/1988CN87209658U Auto-alarm health kit
05/03/1988US4742389 Apparatus for promoting the vigilance of a motor vehicle operator
05/03/1988US4742339 Cutlery detector and alarm
05/03/1988US4742337 Light-curtain area security system
04/1988
04/28/1988DE3636074A1 Control and signalling system for detecting water penetrating into buildings
04/27/1988CN87207115U Warning device for cerebral haemorrhage and cerebral anemia
04/26/1988US4740777 Programmable fluid detector
04/20/1988CN87207149U Multi-purpose electricity-leakage alarm
04/20/1988CN87203942U Electronic watch with electric field alarm
04/19/1988US4739482 Motor vehicle maintenance interval monitor
04/19/1988CA1235458A1 Apparatus for monitoring circuit integrity
04/13/1988CN87105271A Threshold sensor for air-flow velocity
04/12/1988US4737784 Keyless entry system for automotive vehicle devices with weak-battery alarm
04/12/1988US4737751 Robbery alarm switch
04/12/1988US4736763 Automatic device for the detection and shutoff of unwanted liquid flow in pipes
04/05/1988US4736196 Electronic monitoring system
03/1988
03/30/1988CN87213225U Eight-way flash alarm
03/30/1988CN87206598U Water-level alarm and controlling unit
03/29/1988US4733633 Electronic confinement arrangement for animals
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