| Patents for G08B 23 - Alarms responsive to unspecified undesired or abnormal conditions (8,164) |
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| 09/07/1990 | WO1990010294A1 Snap-in housing for backup alarm |
| 09/05/1990 | CN1045195A 过程控制终端 Process control terminal |
| 08/29/1990 | EP0384910A2 Process control terminal |
| 08/23/1990 | CA2010711A1 Process control terminal |
| 08/14/1990 | CA1272773A1 Electronic surveillance system and transceiver unit therefor |
| 07/26/1990 | WO1990008371A1 Photographic security system |
| 07/18/1990 | EP0378465A1 Modular surveillance system for industrial installations |
| 06/27/1990 | CN2058725U Automatic shutting off means with alarm for gas stove (range) |
| 06/26/1990 | US4937763 Method of system state analysis |
| 06/26/1990 | US4937560 Security system with door deadbolt interlock |
| 06/12/1990 | US4933852 Machine operation indicating system and method |
| 05/22/1990 | CA1269458A1 Fire sensor statistical discriminator |
| 05/08/1990 | US4924417 Environmental abnormality alarm apparatus |
| 04/11/1990 | EP0233245B1 Fire sensor statistical discriminator |
| 04/03/1990 | US4914705 Voice message announcing method and system for plant |
| 02/28/1990 | CN2053722U Safety device for multifunction liquefied gas cooker |
| 02/27/1990 | US4905000 In an aircraft |
| 02/27/1990 | US4904982 Visual and audible warning device |
| 02/22/1990 | WO1990001759A1 Smoke detector with voice alert |
| 02/14/1990 | EP0354542A2 Security system with door deadbolt interlock |
| 02/07/1990 | EP0353438A1 In motion setting device for radio controlled sirens working in accordance with different programs |
| 02/07/1990 | CN2052493U Multi-functional warning device for gas |
| 01/31/1990 | EP0352848A2 System having electronic assembly groups with at least a micro processor |
| 01/24/1990 | EP0351833A2 Plant fault diagnosis system |
| 01/10/1990 | EP0350119A1 Stand-alone utility device with antitheft code |
| 12/28/1989 | WO1989012916A1 Antenna system for magnetic and resonant circuit detection |
| 12/26/1989 | US4890093 Solar powered proximity triggered light |
| 12/19/1989 | US4887737 Dispensing device with sensory alert |
| 12/12/1989 | US4887072 Alarm apparatus |
| 11/21/1989 | US4882584 Transducer for process control |
| 11/15/1989 | EP0341906A2 A security system |
| 11/15/1989 | CN1037243A Arrangement for fault indication |
| 11/14/1989 | US4881039 Transducer and related circuitry |
| 11/02/1989 | DE3913180A1 Stoerungsanzeiger fuer elektrische nutzleitungen Stoerungsanzeiger for Electric Utility line |
| 10/26/1989 | DE3812144A1 Circuit arrangement for emitting acoustic alarm signals for alarm signalling systems |
| 10/25/1989 | CN1036647A Automated system to prioritize repair of plant equipment |
| 10/17/1989 | US4875016 Transducer and related circuitry |
| 09/19/1989 | US4868561 Method of reprogramming an alert pattern |
| 09/19/1989 | US4868547 Transformer alarm annunciator |
| 09/12/1989 | US4866594 Gas cylinder monitor and control system |
| 08/10/1989 | WO1989007304A1 Procedure and device for protection against disasters and pollution |
| 07/18/1989 | US4849755 Night vision goggle compatible alarm |
| 06/27/1989 | US4843378 Failure alarm device for an appliance |
| 06/27/1989 | CA1256564A1 Warning system for tactical aircraft |
| 06/21/1989 | EP0320876A2 Fault information collection processing system |
| 06/13/1989 | US4839749 Recorded voice warning system for providing safety alerts and personal messages |
| 05/24/1989 | CN1004311B Improved circuit breaker indicator |
| 05/16/1989 | US4831361 Environmental abnormality alarm apparatus |
| 04/26/1989 | CN1032528A Night vision goggle compatible alarm |
| 04/25/1989 | US4825195 Method of monitoring to anticipate the triggering of an alarm |
| 04/20/1989 | WO1989003627A1 Intelligent alarm apparatus with interfacing to a telephone network |
| 04/18/1989 | US4823343 Diagnostic system for remote computers |
| 04/18/1989 | US4823089 Burglar alarm fault detector |
| 03/28/1989 | US4816208 Alarm management system |
| 03/14/1989 | US4812820 Electronic surveillance system and transceiver unit therefor |
| 03/14/1989 | US4812819 Functional relationship-based alarm processing system |
| 03/14/1989 | EP0231291A4 Electronic surveillance system and transceiver unit therefor. |
| 02/01/1989 | EP0301563A2 Night vision goggle compatible alarm |
| 01/31/1989 | US4801929 Container having audible closure removal signalling |
| 01/11/1989 | EP0298132A1 Facility for prevention of disasters |
| 01/10/1989 | US4797664 Environmental abnormality detection apparatus |
| 01/10/1989 | US4797663 Portable security monitor and time recording |
| 12/20/1988 | US4792799 Aircraft terrain closure warning system with descent rate based envelope modification |
| 11/15/1988 | US4785283 Detecting system and detector |
| 10/19/1988 | CN88101747A Reactive windshear warning instrument |
| 10/18/1988 | CA1243405A1 Configuration responsive descent rate warning system for aircraft |
| 10/11/1988 | CA1243119A1 Aircraft terrain warning system with configuration modified warning and improved mode switching |
| 10/11/1988 | CA1243118A1 Aircraft terrain closure warning system with descent rate based envelope modification |
| 10/11/1988 | CA1243117A1 Altitude loss after take-off warning system utilizing time and altitude |
| 10/06/1988 | WO1988007734A1 Reactive windshear warning instrument |
| 09/27/1988 | US4774502 Environmental abnormality detection apparatus |
| 08/10/1988 | CN87106165A Method of speech information bulletin and system used in factory |
| 07/28/1988 | WO1988005581A1 Facility for prevention of disasters |
| 06/14/1988 | US4751516 Antenna system for magnetic and resonant circuit detection |
| 06/08/1988 | EP0269655A1 Warning system for tactical aircraft |
| 06/07/1988 | US4749986 Collecting process of fire data and fire detector using the process and fire alarm system also using the process |
| 06/07/1988 | US4749985 Functional relationship-based alarm processing |
| 05/17/1988 | US4745399 Device for generating an alarm signal in the event of an environmental abnormality |
| 05/17/1988 | US4745398 Self-powered sensor for use in closed-loop security system |
| 04/26/1988 | US4740787 Centralized monitoring method for security system |
| 04/12/1988 | US4737784 Keyless entry system for automotive vehicle devices with weak-battery alarm |
| 03/09/1988 | EP0258896A2 Voice message announcing method and system for plant |
| 02/16/1988 | US4725821 Device for generating an alarm signal |
| 01/20/1988 | EP0253709A1 Monitoring installation with detectors in the form of a loop |
| 01/20/1988 | EP0253085A1 Method for detecting and obtaining information about changes in variables |
| 01/07/1988 | EP0250776A1 Method for detecting and obtaining information about changes in variables |
| 12/09/1987 | EP0248732A1 Measuring process for the values of at least one parameter varying in time in a repetitive manner with monitoring thresholds of varying values |
| 12/08/1987 | US4712056 Signalling circuit |
| 11/24/1987 | US4709330 System for supervising and guiding persons in construction |
| 11/24/1987 | US4708669 Warning device for a watercraft provided with a plurality of marine propulsion engines |
| 11/11/1987 | EP0245178A1 Surveillance method to anticipate the triggering of an alarm |
| 10/27/1987 | US4703325 Remote subsystem |
| 10/26/1987 | EP0222013A4 Hydrocarbon sensor. |
| 10/08/1987 | WO1987006044A1 Warning system for tactical aircraft |
| 08/19/1987 | EP0233077A2 A packaging container |
| 08/18/1987 | CA1225722A1 Smoke detector with remote alarm indication |
| 08/12/1987 | EP0231291A1 Electronic surveillance system and transceiver unit therefor. |
| 07/28/1987 | US4683459 Alarm system test annunciator |
| 07/08/1987 | EP0227891A2 Transducer and related circuitry |
| 07/06/1987 | EP0217852A4 Aircraft terrain closure warning system with descent rate based envelope modification. |