Patents
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)
11/1983
11/22/1983US4417151 Universal input-output device
11/16/1983EP0093882A1 Coupling stage for coupling coded information on a phase line of an electric network
11/15/1983CA1157127A1 Remote load selector
11/15/1983CA1157123A1 Automatic meter reading and control system
11/09/1983EP0093120A1 Touch-operated power control device
11/02/1983EP0092750A1 Transmission system for information telegrams
10/1983
10/25/1983US4412218 Remote control signal transmitter capable of setting custom codes individually alloted to a plurality of controlled instruments
10/19/1983EP0091715A2 System for power supply to and switching of a number of electrical appliances
10/12/1983EP0091290A1 Electrical appliance control
10/04/1983US4408185 Process for transferring information and system for carrying out the process
10/04/1983CA1154858A1 Load shedding relay
09/1983
09/28/1983EP0089681A1 Pick-up circuit
09/28/1983EP0089515A1 Power-line baseband communication system
09/27/1983US4406924 Radio-controlled devices for use in power distribution circuits
09/27/1983CA1154513A1 A.c. electrical supply signalling arrangements
09/27/1983CA1154500A1 Vital contact isolation circuit
09/21/1983EP0088862A1 System for the transmission of an impulse telegram with a high Baud rate over lines of a low-voltage energy supply network
08/1983
08/23/1983US4400783 Event-logging system
08/23/1983US4400688 Method and apparatus for communication over electric power lines
08/09/1983US4398178 Apparatus for transmitting information on an alternating current line
08/09/1983US4398144 Apparatus for determining the position of a switch and for monitoring the associated line for interruptions and short circuits
08/02/1983US4396915 Automatic meter reading and control system
08/02/1983US4396844 Method and apparatus for controlling distributed electrical loads
07/1983
07/27/1983EP0084429A1 Automatic receiver gain control in centralized monitor system
07/27/1983EP0084098A2 Audiofrequency signals receiver
07/19/1983US4394585 Power circuit-breaker with remote-controllable operation threshold
07/12/1983US4393501 Line protocol for communication system
07/05/1983US4392121 Receiver for A.C. electrical supply signalling arrangement
07/05/1983US4392064 Unballasting relays
06/1983
06/22/1983EP0082080A1 Method and apparatus for the transmission of signals, and use in the detection and/or measuring of the concentration of combustible gas in an atmosphere
06/14/1983US4388727 Receivers suitable for use in remotely-operable switching devices and data transmission systems
06/01/1983EP0080318A1 Optical appparatus for interrogation of the status of a switch
05/1983
05/10/1983US4383243 Powerline carrier control installation
05/04/1983EP0078171A2 Electrical appliance control
05/03/1983US4382248 Remote device for a multi-phase power distribution network communication system
04/1983
04/26/1983CA1145433A1 Data transmission system utilizing power line
03/1983
03/29/1983US4378533 Modulator for injecting signals into a polyphase power transmission system
03/29/1983CA1143811A1 Apparatus for transmitting information on an a.c. line
03/22/1983US4377804 Synchronous data transmission system utilizing AC power line
03/22/1983US4377754 Switching circuit for a remote control system
03/16/1983EP0073776A1 Electric signalling installation comprising at least one transmitter and one receiver.
03/03/1983WO1983000780A1 Touch-operated power control device
03/02/1983EP0072857A1 Data communication system.
02/1983
02/01/1983US4371867 Transmitting signals over alternating current power networks
01/1983
01/25/1983US4370563 Method of and apparatus for load and/or load control signaling to customers in a power system
01/18/1983CA1139861A1 Method an apparatus for signal recognition in a remote control system with influencing of the zero point transition alternating mains voltage
01/12/1983EP0069470A1 Appliance control system
01/04/1983US4367414 Method and apparatus for controlling distributed electrical loads
12/1982
12/21/1982US4365286 Audio-frequency powerline carrier control system with a current supervisory device
12/21/1982US4365164 Vital contact isolation circuit
12/14/1982US4363974 Method and apparatus for providing signals from LTC transformer to electrical devices
12/07/1982US4362270 Electronic temperature control system
11/1982
11/30/1982US4361766 Remotely-controllable relays
11/23/1982US4360881 Energy consumption control system and method
11/23/1982US4360828 Hotel/motel power load control and bilateral signalling apparatus
11/16/1982US4359644 Load shedding control means
11/10/1982EP0064094A1 Electric commutation device for the representation of a bus-bar system
11/10/1982EP0064093A1 Electric commutation device for the representation of a bus-bar system with a failure recorder
11/02/1982US4357598 Three-phase power distribution network communication system
10/1982
10/27/1982EP0063296A1 Three-phase power distribution network communication system
10/26/1982CA1134487A1 Remote control of electrical devices
10/20/1982EP0062871A1 Load management terminal
10/20/1982EP0062870A1 Distribution network communication system
10/12/1982CA1133583A1 Frequency sensitive switching circuit
10/05/1982CA1133055A1 Frequency sensitive switching circuit
09/1982
09/30/1982WO1982003299A1 Electric signaling installation comprising at least one transmitter and one receiver
09/21/1982US4350980 Electric meter consumption and demand communicator
09/21/1982CA1132198A1 Isolator circuit for use with frequency sensitive switching circuit
09/07/1982US4348668 System for controlling power distribution to customer loads
09/07/1982US4348582 Communication via an electricity supply main
09/02/1982WO1982002966A1 Data communication system
08/1982
08/31/1982US4347576 Load management control apparatus with improved duty cycle operation
08/31/1982US4347575 System for controlling power distribution to customer loads
08/24/1982US4346432 Rectifier controller responsive to sensed A.C. voltage signals
08/24/1982US4346421 Fault detector
08/24/1982US4346375 Solid state status indication circuit for power controllers
08/18/1982EP0057970A2 Control systems including control panels
08/10/1982US4344076 Feedback sensor for remote receiver in a power transmission system
08/03/1982CA1129032A1 Remote power controller utilizing communication lines
07/1982
07/28/1982EP0056455A1 Information transmission system using audio frequency signals across the electrical power network
07/20/1982US4340880 Method and apparatus for signal recognition in a remote control system with influencing of the zero point transition of the alternating-current mains voltage
07/20/1982CA1128162A1 Remote ac power control with control pulses at the zero crossing of the ac wave
07/19/1982EP0048746A4 Automatic meter reading system.
07/13/1982CA1127710A1 Load shedding control means
07/06/1982US4338649 System for remotely controlling a load
06/1982
06/15/1982US4335381 Remote control of electrical devices
05/1982
05/11/1982US4329678 Method and apparatus for remotely controlling an electrical appliance
05/05/1982EP0050915A1 System for remotely controlling a load
05/04/1982US4328482 Remote AC power control with control pulses at the zero crossing of the AC wave
05/04/1982CA1123050A1 Load shedding timer for a power management system
04/1982
04/07/1982EP0048746A1 Automatic meter reading system.
03/1982
03/30/1982US4322632 Remote load selector
03/23/1982US4321582 Data retrieval system and method
03/23/1982US4321581 Powerline carrier control system
03/17/1982EP0047646A2 Event logging system
03/10/1982EP0047089A1 Method of and apparatus for controlling loads on an electrical power supply
03/09/1982US4319224 Powerline carrier control system with powerline current compensation
03/03/1982EP0038852A4 Programmable system for controlling a plurality of distributed electrical loads.
02/1982
02/16/1982CA1118512A1 Electronic temperature control system
02/16/1982CA1118511A1 Control logic for an inverter ripple controlled power system