| Patents for H02J 13 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network (15,829) |
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| 03/02/1989 | DE3727778A1 RC filter |
| 03/01/1989 | CN1031436A 无线控制系统 Wireless Control System |
| 03/01/1989 | CN1031426A Remote quantitative controller of electric power |
| 02/28/1989 | US4808917 Transmission line sensor apparatus operable with near zero current line conditions |
| 02/28/1989 | US4808841 Centralized control system for home electric appliances |
| 02/21/1989 | US4806929 Remote monitor control system |
| 02/21/1989 | US4806855 System for rating electric power transmission lines and equipment |
| 02/14/1989 | US4804938 Distribution energy management system |
| 02/14/1989 | US4804862 Electro mechanical switch having remotely controlled off position |
| 02/07/1989 | US4803632 Intelligent utility meter system |
| 02/01/1989 | EP0301680A2 Wireless control system |
| 01/24/1989 | US4800363 Method for data transmission via an electric distribution system and transmission system for carrying out the method |
| 01/24/1989 | CA1249335A1 System for rating electric power transmission lines and equipment |
| 01/24/1989 | CA1249327A1 Digital light control |
| 01/18/1989 | EP0299311A2 Method and arrangement for telecontrol of commutating devices |
| 01/17/1989 | US4799005 Electrical power line parameter measurement apparatus and systems, including compact, line-mounted modules |
| 01/10/1989 | CA1248590A1 Wide band data transmission over an electricity distribution network |
| 01/03/1989 | US4796027 Apparatus for data transmission from multiple sources on a single channel |
| 12/27/1988 | US4794371 Remote control apparatus |
| 12/27/1988 | US4794328 Tool for mounting a sensor module on a live power transmission line |
| 12/27/1988 | US4794327 Electrical parameter sensing module for mounting on and removal from an energized high voltage power conductor |
| 12/21/1988 | EP0295896A2 An apparatus for controlling a switching amplifier |
| 12/20/1988 | US4792731 Multi-room controlled for individual light controls |
| 12/15/1988 | WO1988010020A1 Electrical control apparatus |
| 11/29/1988 | US4788647 Control system for electric power plant |
| 11/15/1988 | US4785406 Quad exchange power controller |
| 11/08/1988 | US4783748 Method and apparatus for remote measurement |
| 11/01/1988 | US4782322 Amplitude modulation of control signals over electrical power lines utilizing the response of tuning fork filters |
| 10/25/1988 | US4780910 Display for a remote receiver in an electrical utility load management system |
| 10/25/1988 | US4780908 Method and apparatus for signal transmission regulation in differential protection |
| 10/20/1988 | DE3711244A1 Electrical installation system |
| 10/11/1988 | US4777607 Interface device for control and monitoring of distribution panelboards |
| 10/11/1988 | US4777381 Electrical power line and substation monitoring apparatus and systems |
| 10/05/1988 | EP0285035A2 Device for switching an electric appliance according to the effective tariff |
| 09/28/1988 | CN88102334A Integral electrical consuming monitor |
| 09/21/1988 | EP0282578A1 Quad exchange power controller |
| 09/21/1988 | EP0282577A1 Energy management system. |
| 09/21/1988 | EP0282572A1 Responder unit for energy management system |
| 09/07/1988 | CN87204581U Computer console for electric power measuring |
| 08/25/1988 | WO1988006365A1 Remote control system, components and methods |
| 08/17/1988 | EP0278920A2 A remote control apparatus for tripping off switches |
| 08/09/1988 | US4763103 Process and method for wide band transmission, particularly for data transmission over an electricity distribution network |
| 08/03/1988 | CN87101478A Predetermination type power load controlling method and apparatus |
| 07/19/1988 | US4758962 Electrical power line and substation monitoring apparatus and systems |
| 07/13/1988 | CN87204723U Automatic control devicl against electricity theft. |
| 07/12/1988 | US4757417 Monitoring system for load-driving switch circuits |
| 06/15/1988 | EP0270920A2 Method and apparatus to generate emission current signals in an alternating current distribution network |
| 06/09/1988 | DE3640643A1 Device and method for checking a control circuit of a telecontrol apparatus |
| 06/07/1988 | US4749992 Utility monitoring and control system |
| 05/24/1988 | US4746809 AC power line signaling system |
| 05/24/1988 | US4746241 Hinge clamp for securing a sensor module on a power transmission line |
| 05/17/1988 | US4745392 Noise reduction in signal transmission system over building power distribution wiring |
| 05/10/1988 | US4744093 Method of detecting phase pulse signals from an AC distribution line |
| 05/04/1988 | CN87201643U Multifunctional automatic and remote controlling device for low-voltage power distribution |
| 04/27/1988 | EP0265342A2 Distribution energy management system |
| 04/12/1988 | US4737784 Keyless entry system for automotive vehicle devices with weak-battery alarm |
| 04/12/1988 | US4737658 For power distribution networks |
| 04/07/1988 | WO1988002584A1 Responder unit for energy management system |
| 04/07/1988 | WO1988002583A1 Energy management system |
| 03/31/1988 | DE3632420A1 Wiring arrangement for motor vehicles having an internal combustion engine |
| 03/29/1988 | US4734843 Electrical power control systems |
| 03/24/1988 | WO1988002121A1 Quad exchange power controller |
| 03/09/1988 | EP0259101A2 Method for a remote supervisory control system |
| 03/09/1988 | EP0258920A2 Noise reduction in signal transmission system over building power distribution wiring |
| 03/02/1988 | CN86200648U Multi-functional remote power-transmission transformer |
| 03/01/1988 | US4728948 Remote monitor and control system |
| 03/01/1988 | US4728887 System for rating electric power transmission lines and equipment |
| 02/25/1988 | DE3628094A1 Electric mains supply with auxiliary energy source - has water pump storage plants in installed in existing buildings, charged during low peak demand |
| 02/24/1988 | CN85204759U Intellectual analogue plate for computers |
| 02/16/1988 | US4725839 Remote, inductively coupled, transducer interface |
| 02/09/1988 | US4724435 Bi-directional data telemetry system |
| 02/02/1988 | US4723220 Apparatus for power measuring and calculating Fourier components of power line parameters |
| 02/02/1988 | US4723192 Automatic electricity control monitoring exit/entry device |
| 01/28/1988 | DE3623805A1 Signal transmission system for remotely controlling and monitoring electrical or electronic devices |
| 01/20/1988 | EP0252953A1 Electrical installation for submarines |
| 01/12/1988 | US4719446 Remote control for combined ceiling fan and light fixture |
| 01/05/1988 | US4718079 Remote unit monitoring system |
| 12/29/1987 | US4716301 Digital light control |
| 12/22/1987 | US4714893 Apparatus for measuring the potential of a transmission line conductor |
| 12/17/1987 | DE3718456A1 Method for increasing the load carrying capability of installed low-voltage power distributor systems by means of central control of the switching of periodic loads |
| 12/10/1987 | DE3618790A1 Method for testing a large number of emergency lights in an illumination system, and a test system for carrying out the method |
| 12/03/1987 | DE3618316A1 Method and device for detecting and transmitting power consumption data and/or fault messages |
| 12/02/1987 | EP0247382A2 Load control circuit |
| 11/24/1987 | US4709339 Electrical power line parameter measurement apparatus and systems, including compact, line-mounted modules |
| 11/19/1987 | EP0245469A1 Bi-directional data telemetry system |
| 11/17/1987 | US4707679 Magnetic tamper detector |
| 11/04/1987 | EP0243412A1 Intertripping system |
| 11/04/1987 | CN87104141A Integrative power ration device |
| 11/04/1987 | CN87102420A Distant monitoring and controlling system |
| 10/28/1987 | EP0242609A1 Interface control level |
| 10/15/1987 | DE3627319A1 Control system for industrial plants, particularly high-voltage switching installations |
| 09/29/1987 | US4697093 Testable, fault-tolerant power interface circuit for controlling plant process equipment |
| 09/29/1987 | CA1227577A1 Diagnostic system and method |
| 09/24/1987 | DE3608910A1 Combined electrical connection unit for power and information connection |
| 09/09/1987 | EP0235401A1 Power supply switch circuit |
| 09/08/1987 | US4692761 Adaptive communication network and method |
| 09/01/1987 | US4691341 Method of transferring digital information and street lighting control system |
| 09/01/1987 | US4691128 Circuit for coupling a signal processing device to a transmission line |
| 08/25/1987 | US4689752 System and apparatus for monitoring and control of a bulk electric power delivery system |
| 08/25/1987 | US4689493 Centralized switching circuit for building electrical network |