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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02/09/1982 | US4315248 Load control system for standard electric utility meter |
01/19/1982 | CA1116714A1 Hotel/motel power load control and bilateral signalling apparatus |
01/12/1982 | US4310829 Transmitting device for communications equipment for generating a signal to be superimposed on an AC power supply network |
12/22/1981 | US4307380 Transmitting signals over alternating current power networks |
12/09/1981 | EP0041193A1 Information transmission system |
12/02/1981 | EP0040689A1 Control and precontrol device for switching on and switching off operations and for condition ranges |
11/24/1981 | US4302750 Distribution automation system |
11/18/1981 | EP0040146A1 Power breaker with remote control of the working threshold |
11/12/1981 | WO1981003252A1 A system for switching off and possible relighting of selected lamps in a lighting plant |
11/10/1981 | US4300126 Method and apparatus, for power line communications using zero crossing load interruption |
11/10/1981 | US4300125 System for monitoring, transmitting and conditioning of information gathered at selected locations |
11/04/1981 | EP0038877A1 Process and system for transmitting information and instructions on an alternating current distribution network |
11/04/1981 | EP0038852A1 Programmable system for controlling a plurality of distributed electrical loads. |
11/03/1981 | CA1111950A1 Distributed control system |
10/20/1981 | US4296462 Inverter controller |
10/15/1981 | WO1981002960A1 Control unit for automatic meter reading system |
10/14/1981 | EP0037763A1 Remote-control device for heating apparatuses connected to an alternating current supply plant |
09/30/1981 | EP0036666A1 Remote load selector |
09/29/1981 | US4292546 Apparatus for controlling power application |
09/23/1981 | EP0036115A2 Audiofrequency ripple control installation with watching current device |
09/22/1981 | US4291236 Remote receiver for load and rate control in a power transmission system |
09/09/1981 | EP0035411A2 Switching circuit for a remote control system |
09/09/1981 | EP0035025A1 System for central reading and registration of customers' power consumption. |
08/26/1981 | EP0034467A1 Receivers suitable for use in remotely-operable switching devices and data transmission systems |
08/26/1981 | EP0034466A1 Transmission systems for transmitting signals over power distribution networks, and transmitters and receivers for use therein |
08/18/1981 | US4284979 Coding system for simultaneously signaling selected ones of a plurality of devices |
08/05/1981 | EP0033273A2 Circuit breaking relays |
08/04/1981 | CA1106443A1 Dc power transmission |
07/29/1981 | EP0032694A1 Arrangement for determining the position of a switch and for the control of the accompanying conductors for short- and open-circuit |
07/08/1981 | EP0031734A2 Method and apparatus for management of electric distribution net with telecontrol of power-breakers |
06/24/1981 | EP0030816A1 A.C. electrical supply signalling arrangements |
06/23/1981 | US4275439 Process control system |
06/02/1981 | CA1102424A1 Digital communication system for transmitting digital information between a central station and a number of remote stations |
05/20/1981 | EP0028882A1 An electronic time based control system |
05/14/1981 | WO1981001350A1 Method and apparatus for controlling distributed electrical loads |
05/13/1981 | EP0028550A1 Inverter, and static generator of signals comprising such an inverter |
05/06/1981 | EP0028178A1 Relay and method for telecontrol |
04/28/1981 | US4264960 System for controlling power distribution to customer loads |
03/05/1981 | WO1981000619A1 A device for central reading and registration of customers'power consumption |
03/03/1981 | US4254403 Systems for transmitting information in an alternating current electricity supply system |
03/03/1981 | CA1096946A1 Electrical load management system |
02/04/1981 | EP0023254A2 Method and apparatus for controlling power distribution of an electric utility |
01/20/1981 | US4246492 Method of and apparatus for load and/or load control signaling to customers in a power system |
12/16/1980 | US4239940 Carrier current communications system |
12/10/1980 | EP0020310A1 A remote control direct electric load management system |
11/25/1980 | US4236149 Status indicating system for the instantaneous registering of the switching positions in an electrically remotely controlled high tension plant |
11/04/1980 | US4232298 Remotely-controllable relays and filters therefor |
10/29/1980 | EP0018334A1 Apparatus for transmitting information on an alternating current line |
10/21/1980 | US4229681 Frequency/sensitive switching circuit |
10/07/1980 | CA1087266A1 Method and apparatus for communication over electric power lines |
09/09/1980 | US4222035 Multiplex system having digital coded power line signals |
09/02/1980 | CA1084998A1 Process and testing generator for protective device |
08/19/1980 | US4218737 Revenue metering system for power companies |
07/29/1980 | US4215394 Control logic for an inverter ripple controlled power system |
07/29/1980 | US4215276 Remote control of electrical power distribution system and method |
07/29/1980 | CA1082781A2 Window comparator |
07/22/1980 | CA1082330A1 Highly concentrated polyborate solutions and a method of preparing the same |
07/15/1980 | US4213182 Programmable energy load controller system and methods |
07/15/1980 | US4213058 Load shedding timer for a power management system |
07/15/1980 | CA1081815A1 Polyphase distribution network power line carrier communication system |
06/10/1980 | US4207474 Sequential two tone detector |
06/03/1980 | US4206444 Remote power controller utilizing communication lines |
05/27/1980 | CA1078461A1 Circuit arrangement for a remote control receiver |
05/20/1980 | US4204195 Meter terminal unit for use in automatic remote meter reading and control system |
05/20/1980 | US4204194 Meter terminal unit for use in automatic remote meter reading and control system |
05/15/1980 | WO1980001024A1 Process for transferring information and system for carrying out the process |
04/29/1980 | US4200862 Appliance control |
04/22/1980 | US4199761 Multichannel radio communication system for automated power line distribution networks |
03/18/1980 | US4194182 Electrical switch controllable alternatively by an internal timer and by digital information from a remote source |
03/18/1980 | US4194128 Ripple control systems |
03/11/1980 | US4193129 Charging circuit for sonar systems |
02/26/1980 | US4190800 Electrical load management system |
02/26/1980 | US4190790 Isolator circuit for use with frequency sensitive switching circuit |
02/06/1980 | EP0007728A1 Load shedding timer for a power management system |
02/06/1980 | EP0007622A1 Circuit for reversing the rotation sense of a d.c. motor |
01/29/1980 | CA1070767A1 Synchronous power communicating |
01/22/1980 | US4185272 Distribution control system |
01/22/1980 | US4185205 Remote load controller |
12/18/1979 | US4179624 Carrier control method by using phase-pulse signals |
11/06/1979 | US4173754 Distributed control system |
09/25/1979 | US4169259 Frequency sensitive switching circuit |
08/14/1979 | US4164730 Externally controllable binary interrogation and decoding circuit, particularly for a remote control load selection system |
07/31/1979 | US4163219 Remote control device for electronic apparatus |
07/31/1979 | US4163218 Electronic multiple device control system |
07/31/1979 | US4163217 Remote load control system |
07/24/1979 | US4162486 Encoded electrical control systems |
07/17/1979 | US4161720 Meter terminal unit for use in automatic remote meter reading and control system |
07/17/1979 | US4161651 Simultaneously sampled remote data reading and transmission system using optical fibers |
07/10/1979 | CA1058089A1 Power line carrier communication system for signaling customer locations through ground wire conductors |
05/22/1979 | CA1054946A1 Systems for transmitting information in an alternating current electricity supply system |
04/17/1979 | CA1052703A1 Central station for power line access data system |
02/27/1979 | US4142178 High voltage signal coupler for a distribution network power line carrier communication system |
02/13/1979 | US4139735 Carrier current communications system |
02/06/1979 | CA1048106A1 Power monitoring and load shedding system |
01/16/1979 | US4135181 Automatic remote meter reading and control system |
01/02/1979 | US4132355 Electronic temperature control system |
12/19/1978 | US4130874 Load management terminal having plural selectable address formats for a power line communication system |
11/21/1978 | US4126793 Circuit arrangement for a remote control receiver |
11/07/1978 | US4124835 Remotely controlled utility service interrupter system and apparatus |
10/10/1978 | US4119912 Audio frequency heterodyne means and method |