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)
11/1999
11/30/1999US5994999 Low voltage link for transmitting on/off orders
11/25/1999WO1999060691A1 Measuring bridge with integrated intelligence
11/24/1999EP0959569A1 Method and apparatus for signal coupling in high or middle voltage cable
11/23/1999US5990570 Power supplying apparatus for a vehicle and an intensive wiring apparatus
11/18/1999DE19821953A1 Instrument transformer for current and voltage measurement used in monitoring and control or automation of medium and large
11/18/1999DE19821045A1 Vorrichtung und Verfahren zur Signaleinkopplung in Hoch- und Mittelspannungsleitungen Apparatus and method for signal injection into high and medium voltage cables
11/17/1999EP0957555A2 Electric power system protection and control system
11/17/1999EP0956631A2 Power line transmission
11/17/1999EP0761070B1 Communications protocol for remote data generating stations
11/16/1999US5986574 System and method for communication between remote locations
11/16/1999CA2188305C Self-powered powerline sensor
11/11/1999WO1999057402A1 Drive system for a partition wall system
11/09/1999US5982103 Compact radio frequency transmitting and receiving antenna and control device employing same
11/09/1999US5982098 Smart logic switching uninterruptible power source
11/09/1999US5982052 DC power control of switching devices
11/04/1999WO1999056138A1 Method for selecting an outstation using a control centre in a transmission system
11/03/1999EP0953845A1 Method by which a central unit selects a secondary unit in a transmission system
11/03/1999CN1046176C Multi-user tandem device for power supply
11/02/1999US5978193 Switchgear unit capable of communication
10/1999
10/28/1999DE19818233A1 Building installation system
10/27/1999EP0952680A1 Transmission of an operation mode signal via an AC supply line
10/26/1999US5973896 Shock and arc protection device for an electrical distribution system
10/21/1999DE19817944A1 Switch mechanism for an electric switching system esp. a high voltage system
10/20/1999EP0950278A1 Circuit for selective power supply to electrical units
10/19/1999US5969503 Unified contactor control system for battery plant and method of operation thereof
10/19/1999CA2206562C System of communicating output function status indications between two or more power system protective relays
10/14/1999DE19812909A1 Inventarisierungssystem bei dem eine Lokalisierungskennung aus einem Energienetz bezogen wird Inventory system in which a location identifier is drawn from the utility grid
10/13/1999EP0949741A2 An emergency lighting network
10/13/1999EP0796178B1 Circuitry for function modules which can be fitted in a motor vehicle
10/12/1999US5966675 Method and device for monitoring power supply networks
10/07/1999WO1999050971A1 Method for controlling at least one electric consumer connected to a control device, and a corresponding circuit
10/07/1999WO1999050806A1 Signalling system based on inductive power/signal transfer
10/07/1999DE19815169A1 Verfahren und Vorrichtung zum Betrieb von Energieverbrauchseinheiten Method and device for the operation of power-consuming units
10/07/1999DE19814366A1 Verfahren zur Steuerung wenigstens eines mit einer Steuerungseinrichtung verbundenen elektrischen Verbrauchers und entsprechende Schaltungsanordnung A method for controlling at least one electrical consumer connected to a control means and appropriate circuitry
10/06/1999EP0948113A2 Method and device for the operation of engergy consuming units
10/06/1999EP0948111A2 Fault protection arrangements and methods for electric power distribution systems
10/05/1999US5963457 Electrical power distribution monitoring system and method
10/05/1999US5963146 Wide area communications network for remote data generating stations
10/05/1999US5962991 Intelligent outdoor lighting control system
09/1999
09/30/1999DE19813537A1 Control switch for switching supply voltage to load, e.g. domestic oven
09/29/1999EP0944945A2 Improvements relating to signalling in electricity distribution systems
09/29/1999EP0857340B1 Electromechanical switchgear, in particular an alarm system
09/29/1999CN1230305A Switch installation
09/28/1999US5959550 Remote meter reading system
09/28/1999CA2125101C Radio frequency control system
09/23/1999WO1999048340A1 Apparatus for and method of transmitting and receiving data over a low voltage power distribution system
09/23/1999WO1999048177A2 Location or inventory system
09/23/1999WO1999047991A1 An apparatus for and method of inhibiting and overriding an electrical control device
09/23/1999CA2322841A1 Location or inventory system
09/23/1999CA2322813A1 An apparatus for and method of inhibiting and overriding an electrical control device
09/21/1999US5956462 Domestic electric energy control
09/21/1999US5955859 Interface module between a field bus and electrical equipment controlling and protecting an electric motor
09/21/1999US5955844 Smart logic switching uninterruptible power source
09/16/1999WO1999046868A1 Two wire communication system
09/15/1999EP0942612A2 Method and apparatus for providing network infrastructure information for a network control center
09/15/1999EP0750802B1 Switching distributor for switching electric consumers on and off
09/10/1999WO1999045445A1 Integrated building control and information system with wireless networking
09/08/1999EP0940901A2 Control system, method of protectively controlling electric power system and storage medium storing program code
09/08/1999EP0939998A1 Temperature and time control of electrical heating device
09/02/1999WO1999044397A1 Lights
09/01/1999CN2336510Y Full-automatic electricity control cabinet
08/1999
08/26/1999WO1999043068A1 System, device and method for monitoring a plurality of electric users, particularly household appliances
08/26/1999DE19856020A1 Electronic networks provision unit for data processing devices with additional properties
08/24/1999US5943202 Two way packet radio including smart data buffer and packet rate conversion
08/24/1999US5943198 Electrical fault interrupt circuits
08/24/1999US5942984 Communications network for identifying the location of articles relative to a floor plan
08/24/1999US5942814 Module for controlling current to a load including sensing of the position of a switch
08/24/1999CA2194148C Universal charging station and method for charging electric vehicle batteries
08/17/1999US5940398 Method for common transmission of digital source and control data between data sources and data sinks connected through data lines
08/17/1999US5940005 Method and apparatus for storing and utilizing a unique power down state in a model railroad system
08/12/1999DE19804307A1 Multidirectional control receiver for energy supply network
08/05/1999WO1997029560A8 Remotely controlling and determining electrical device status
08/04/1999EP0933859A1 Electronic on-line control and monitoring system for high-voltage circuit breakers
08/04/1999EP0932943A1 Interface device of bi-directional connection of currents carrying low voltage/radiofrequency
08/04/1999CN1225200A Pull out electrical equipment
08/04/1999CN1225199A Bus coupler with transformer-free transmission
08/04/1999CN1224873A Power control system and power control method
08/03/1999US5933092 Method and apparatus for performing the register functions for a plurality of metering devices at a common node
08/03/1999US5933071 Communications apparatus
07/1999
07/29/1999WO1999038363A1 Method and apparatus for controlling lights and other devices
07/29/1999WO1999025586A3 Intelligent current distribution system for vehicles and method for manufacturing the same
07/29/1999WO1999025585A3 Intelligent current distribution system and method for manufacturing the same
07/29/1999DE19902575A1 Remote-controlled mains switching device for connecting remote-action control rooms and remote-action substations in central mains conductor system
07/29/1999DE19846817A1 Circuit arrangement for switching of electric load, such as light source or window blinds
07/29/1999CA2283941A1 Method and apparatus for controlling lights and other devices
07/28/1999EP0932239A2 Battery cell bypass topology
07/27/1999US5929750 Transmission network and filter therefor
07/27/1999US5929663 Control circuit for distributed electrical equipment
07/27/1999US5929536 Control device, more especially for actuating valves
07/21/1999EP0930688A2 Power switching circuit for use in a power distribution system
07/20/1999US5926089 Electric power system protection and control system and distributed control system
07/20/1999US5925888 Optocoupler input expansion circuit
07/20/1999CA2227523A1 Domestic electric energy control
07/15/1999DE19800275A1 Detection arrangement for switching unit
07/14/1999CN1222779A Electric power system dispatching method and digital power dispatching system
07/14/1999CN1222695A Method of monitoring the functional capability of tap selector
07/14/1999CN1044185C Energy load controller for pulse signal circuit
07/13/1999US5923271 Communication and coding system for controlling electrical actuators
07/13/1999US5923269 Energy meter with multiple protocols for communication with local and wide area networks
07/07/1999EP0927919A1 Electronic thermostat control unit and its use in multipoint temperature controller for refrigeration and heating systems