| Patents for G08B 21 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for (34,716) |
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| 08/05/1987 | EP0230671A1 Video-mobile surveillance device |
| 08/05/1987 | CN86209624U Sleepy alarm |
| 08/05/1987 | CN86206066U Auto help-calling device for urgent patient |
| 08/05/1987 | CN86203990U Automobile safety loading displaying device |
| 08/04/1987 | US4684933 Unauthorized personnel detection system |
| 07/29/1987 | EP0230173A1 Remote presence-monitoring device for a moving object, an animal or a human being within a close proximity |
| 07/28/1987 | US4683550 Personal computer instrumentation system including carrier board having bus-oriented plug-in instrumentation modules |
| 07/28/1987 | US4683464 Safety monitor means and method |
| 07/22/1987 | CN86201130U Automatic exhaust fan for preventing human from gas poisoning |
| 07/21/1987 | US4681729 External detection signals |
| 07/21/1987 | CA1224526A1 Reduced power consumption low battery alert device |
| 07/15/1987 | EP0228823A1 Audible low-fuel alarm for propane fuel tank |
| 07/14/1987 | CA1224057A1 Method and apparatus for obtaining electrical signals correlated with the position of a mercury mass in instruments and the like |
| 07/08/1987 | CN86204206U Annular tube type specified angle automatic measuring alarm |
| 07/08/1987 | CN85205803U Catching cold alarm for sleeping baby |
| 07/08/1987 | CN85205357U Starting controller with trouble alarm |
| 07/02/1987 | WO1987003986A1 Method of slumber detection |
| 07/01/1987 | CN86207271U Photoelectric pocket purse which is able to be guided against thief and loss |
| 06/30/1987 | US4676077 Washing machine |
| 06/23/1987 | US4675664 Alarm system and method for detecting proximity of an object to electrical power lines |
| 06/23/1987 | US4675659 Method and apparatus for signaling attempted suicide |
| 06/23/1987 | US4675656 Out-of-range personnel monitor and alarm |
| 06/23/1987 | US4674628 Card holding device |
| 06/23/1987 | CA1223315A1 Negative climb after take-off warning system |
| 06/18/1987 | WO1987003726A1 Calling system for co-ordinated interventions |
| 06/16/1987 | US4673925 Boiling alarm |
| 06/16/1987 | US4673912 Vehicle-mounted triggering device and method of preventing false malfunction alarms in such a triggering device |
| 06/16/1987 | CA1222873A1 Electronic switch |
| 06/09/1987 | US4672310 Switch position sensing device for use with valve operators |
| 06/04/1987 | WO1987003404A1 Device for the remote surveyance of the presence, in a near aera, of a moving object, an animal or a human being |
| 05/27/1987 | EP0223333A1 DC voltage indicator |
| 05/27/1987 | CN86204395U Alarm box for heart attack patient |
| 05/26/1987 | US4668944 Fail safe circuit for a salinity monitor |
| 05/20/1987 | EP0222484A2 Movement monitor for cardio-pulmonary and other activity |
| 05/19/1987 | US4667188 Portable alarm |
| 05/13/1987 | EP0221631A2 Methods and apparatus for monitoring events |
| 05/12/1987 | US4665389 Personal distress signalling device |
| 05/12/1987 | US4665388 Signalling device for weight lifters |
| 05/12/1987 | US4665385 Hazardous condition monitoring system |
| 05/07/1987 | DE3619383A1 Eye protection circuit for a television set |
| 05/06/1987 | EP0220361A2 Surface protection |
| 04/22/1987 | EP0218629A1 Method for promoting the vigilance of a motor vehicle operator and use of a suitable apparatus. |
| 04/21/1987 | US4660027 Reduced power consumption low battery alert device |
| 04/21/1987 | CA1220645A1 Alarm system for monitoring the temperature of a liquid contained in a reservoir |
| 04/07/1987 | US4656464 Liquid level detector |
| 04/02/1987 | DE3534462A1 Warning device for detecting damage on moving parts |
| 04/01/1987 | EP0215793A1 Overheating alarm |
| 04/01/1987 | EP0058693B1 Alarm system for electric fences |
| 03/31/1987 | US4654642 Tamperproof classroom noise alarm |
| 03/31/1987 | CA1219932A1 Variable frequency rf electronic surveillance system |
| 03/24/1987 | US4652865 Card holder |
| 03/24/1987 | US4652854 Pressure-biased, temperature sensor |
| 03/24/1987 | CA1219652A1 Electronic article surveillance security system |
| 03/18/1987 | CN86203224U Over-temp. warner |
| 03/17/1987 | US4651143 Security system including a daughter station for monitoring an area and a remote parent station connected thereto |
| 03/17/1987 | US4651142 Apparatus to protect a clutch from overheating |
| 03/17/1987 | US4651023 Electronic switch |
| 03/17/1987 | US4650219 Child I.D. system |
| 03/17/1987 | US4649751 Supervisory operation control system for protecting elevators or the like from a dangerous situation |
| 03/17/1987 | CA1219319A1 Refrigerator door ajar alarm with variable delay |
| 03/17/1987 | CA1219312A1 Alarm device for isolated pipe systems |
| 03/04/1987 | EP0212947A2 Automatic personnel monitoring system |
| 02/26/1987 | WO1987001226A1 Surveillance installation |
| 02/26/1987 | WO1987001011A1 Intruder detection system |
| 02/26/1987 | DE3529167A1 Emergency alarm system to protect an enclosed security zone |
| 02/26/1987 | DE3528957A1 Warning system for monitoring a ventilation system for buildings, particularly stables, for intensive animal husbandry |
| 02/24/1987 | US4646069 Fluid detection system |
| 02/24/1987 | US4646067 Security bar rack |
| 02/24/1987 | US4646066 Environmental indicator device and method |
| 02/18/1987 | CN86204472U Auto ignition controller for non-driving license and drunken driver |
| 02/18/1987 | CN86204200U Alarming device for self-closing intravenous perfusion |
| 02/17/1987 | US4644334 Monitoring apparatus for a construction machine |
| 02/17/1987 | US4644328 Buoyant alarm device |
| 02/17/1987 | US4643736 Desizing and bleaching woven fabrics in a single operation in a bath based on sodium chlorite |
| 02/17/1987 | CA1218128A1 Bed departure detection system |
| 02/11/1987 | CN85203258U Mini-magnetic acoustooptic alarm for current leakage |
| 02/10/1987 | CA1217816A Brush wear monitor |
| 01/29/1987 | WO1987000666A1 An alarm system |
| 01/29/1987 | WO1987000395A1 Fault monitoring apparatus and monitoring system therefor |
| 01/27/1987 | US4639730 Excessive terrain closure warning system |
| 01/27/1987 | US4639719 Apparatus for monitoring circuit integrity |
| 01/27/1987 | US4639210 Process for monitoring the heat gradient in a heat-producing system |
| 01/20/1987 | US4638443 Gas detecting apparatus |
| 01/20/1987 | US4638307 Patient position monitoring system |
| 01/20/1987 | EP0190345A4 Ground proximity warning system for use with aircraft having degraded performance. |
| 01/15/1987 | WO1987000378A1 Entrance telephone system utilizing the public subscriber telephone network |
| 01/14/1987 | CN86203620U Leakage alarm for liquified gas cylinder |
| 01/14/1987 | CN86203466U Alarm instrument for monitoring illegal driving after alcoholic driking |
| 01/13/1987 | US4636778 Brush wear monitor |
| 01/08/1987 | DE3524101A1 Method and device for continuously monitoring the state of wear of materials |
| 01/07/1987 | CN86200173U Multifunctional messaging unit which is able to indicate the condition of power source and to perform as a bell |
| 12/30/1986 | US4633237 Patient bed alarm system |
| 12/30/1986 | US4633232 Alarm device |
| 12/30/1986 | US4633231 Monitoring arrangement |
| 12/30/1986 | US4631957 Method for alerting patients with diseases affected by climate, such as epilepsy and myocardial infarction |
| 12/24/1986 | CN85201222U Protecting for loop cover of methane-sensing-alarming device |
| 12/16/1986 | US4630036 Early warning of marine cooling system failure |
| 12/09/1986 | US4628299 Seismic warning system using RF energy monitor |
| 11/18/1986 | US4623876 Alarm system to transmit detection information detected by a detector due to a radio system |
| 11/18/1986 | CA1214233A1 Sleep-preventing alarming device |