Matches 1 - 41 out of 41


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US20060017324 Communications network using installed electrical power lines  
The present invention relates to a system for networking electrical devices to provide interactive communication therebetween utilizing the existing power distribution network installed in a...
US20110273008 INTEGRATED CIRCUIT WITH SUPPLY LINE INTRA-CHIP CLOCK INTERFACE AND METHODS FOR USE THEREWITH  
An integrated circuit includes a first circuit and a first power supply line for powering the first circuit. A first intra-chip clock interface generates a first clock signal on the first power...
US20060145119 Field grading material  
A field grading material including a polymeric matrix provided with a filler. The filler includes a field grading effective amount of particles having at least one dimension smaller than or equal...
US20080258551 Communication circuit for a digital electronic dimming ballast  
A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast...
US20080116745 Apparatus for providing power and network signal from powerline network  
An apparatus for providing power and network signal from a powerline network includes: a power component to connect the powerline network; a power unit electrically connected to the power...
US20070223723 Combination low voltage speaker / light fixture  
A combination low voltage light and sound producing fixture is disclosed for installation in a yard wall or ceiling or on a wall or ceiling. Outdoor lighting and sound is produced with low voltage...
US20080093922 ARMORED FLAT CABLE SIGNALLING AND INSTRUMENT POWER ACQUISITION  
Measurement and/or control units located within a borehole are inductively coupled to a flat three phase power cable segment without piercing the armor around the cable. For drawing power from the...
US20080309158 Transmission System for Interchanging Information Data Between an Electrical Load and an Upstream Converter  
A transmission system for exchanging information data between an electric load having an emitter and a converter having a receiver is disclosed. The converter and the load are connected by a...
US20080303343 Power Line Communications System and Power Line Communications Method  
The power line communications system of the present invention comprises a power line L that has a plurality of branch lines LB1 to LBn branched at a branch point; communications devices T1 to Tn...
US20070273205 Communication system for use in data communications between power generator and external unit  
In a communication system, a first modulator converts first data created one of a power-generator and an external unit into a first modulated signal, and transmits the first modulated signal to...
US20080290729 ETHERNET INTERCONNECTION APPARATUS AND METHOD  
An Ethernet interconnection device and method. The apparatus includes an input Ethernet connector, a signal separating circuit electrically connected to the input Ethernet connector, a voltage...
US20070138867 Apparatus for adjusting phase between the different phases in power line communication system  
Provided is an apparatus for adjusting the phase difference between different phases in a power line communication (PLC) system. The apparatus includes a power signal blocking unit blocking a...
US20060170517 Signal transfer system, signal output circuit board, signal receiving circuit board, signal output method, and signal receiving method  
There is provided a signal transfer system that has a driver for outputting a signal, a transmission line for transmitting the signal, an insertion-type attenuator, inserted into the transmission...
US20100026087 POWER LINE COMMUNICATION APPARATUS  
To improve a communication performance of a communication apparatus by configuring a communication board provided with a PLC signal processor so as to be used in common in other apparatuses, the...
US20060208567 Transmitter with a remote unit in an electric net data transmission system  
A transmitter for sending a data transmission signal to an f electric net, whereby the apparatus comprises signal-shaping and adjustment devices (3) and connecting devices (50) including necessary...
US20120313428 COMMUNICATION SYSTEM AND ELECTRONIC CHOKE CIRCUIT  
The object of the invention is to propose a communication system using an electronic choke circuit which has impedance slightly varied with a load variation and is prevented from having negative...
US20140175866 POWERLINE COMMUNICATED LOAD CONTROL  
A system for transmitting communication signals, the system comprising an injector circuit connected to a powered circuit conductor and configured to modulate a power signal with a direct current...
US20080067868 BPL Low-Voltage Coupler  
Method and system for transmitting data using power lines are disclosed. The method includes tying low voltage lines for the transmission of BPL signals but maintaining isolation of those voltage...
US20080303344 POWER LINE COMMUNICATIONS SYSTEM  
A power line communications system includes slave apparatuses individually connected to multiple electric power line wirings; a master apparatus connected to one of the multiple electric power...
US20070085675 Powered Device with Priority Indicator  
A method for communicating settable priority data from a powered device being powered over communication cabling to power sourcing equipment, the method comprising: prior to connecting power to...
US20090134699 Signal Coupling Apparatus For Power Line Communications Using A Three-Phase Four-Wire Power Line  
A signal coupling apparatus for power line communications includes an impedance matching transformer and a transmission mode control circuit for high data rate power line communications on a...
US20090153133 METHODS AND APPARATUS FOR COLLECTING CHARACTERISTICS OF A POWER LINE A BPL SYSTEM  
An apparatus for collecting characteristics of a power line in a broadband over power line system that comprises a power line characteristic measuring device for measuring power line...
US20090261651 Power Supply and Communications System for a Passenger Aircarft  
The invention relates to a combined supply and communications system for transferring data between a data server and at least one of several terminal devices over a power supply cable wherein the...
US20130181630 DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING  
A load control system comprises a load control device for controlling an electrical load receiving power from an AC power source, and a controller adapted to be coupled in series between the...
US20130020861 Method And A Device For Impressing A Measuring-signal Voltage On A Power Supply Network  
A method and device for impressing a measuring-signal voltage (U) on a power supply network in which a generator signal (Usig) is alternately sampled by two sample-and-hold elements (20, S1, S3),...
US20090128250 POWER LINE TRANSMISSION  
A device including an element for receiving an electrical signal comprising a high-frequency data signal component and a low-frequency power supply component. The electrical signal is conveyed in...
US20060187004 Method and device for reducing common more signal in power line communication system  
In a wire-bound network which comprises unshielded lines such as power supply lines, electromagnetic radiation is produced when transmitting data above the mains frequency. The device according to...
US20140077590 SYSTEMS AND METHODS TO EMULATE HIGH FREQUENCY ELECTRICAL SIGNATURES  
Some embodiments teach an electrical device configured to emulate a high frequency electrical noise signal on an electrical power line. The electrical power line is coupled to one or more...
US20130076119 SYSTEMS AND METHODS TO EMULATE HIGH FREQUENCY ELECTRICAL SIGNATURES  
Some embodiments teach an electrical device configured to emulate a high frequency electrical noise signal on an electrical power line. The electrical device can include: (a) a monitoring module...
US20060140260 Power supply line communication modem and power supply line communication system  
A modem for power-line communications (20A) comprises input/output terminals (71a and 71b) and input/output terminals (72a to 72d). The input/output terminals (71a and 71b) are connected to a...
US20110278917 APPARATUS AND METHOD FOR COUPLING RF AND AC SIGNALS TO PROVIDE POWER TO A MULTIPOLE IN A MASS SPECTROMETER  
An apparatus and method for coupling RF and AC signals to provide power to a multipole in a mass spectrometer is provided. A first circuit comprises: an RF power source for providing difference...
US20090003481 System, Device and Method  
A system or device includes a consumer supplied via a supply line, electrical power and data being transmittable via the supply line, the power signal and the data signal being alternately...
US20120228927 COMMUNICATION SYSTEM AND COMMUNICATION TERMINAL  
A transmitting circuit is connected to a communication line and configured to transmit a primary signal, being a current signal, to the communication line by changing a current flowing from a...
US20120126612 AC-DC POWER SUPPLY UNIT AND ASSOCIATED DEVICE  
An external power supply unit (PSU) for an appliance includes rectification circuitry operable to convert an AC voltage from mains power lines to a DC voltage output, decoupling circuitry operable...
US20090027175 Data Transmission Method and Device for A/C Systems  
A method for modulating the effective power in one or several power consuming devices disposed in an A/C system in order to transmit data on a power supply line thereof by specifically varying the...
US20100274697 TRANSMISSION LINE DIRECTIONAL AWARENESS  
An apparatus and method for coupling a charging station to a power line segment that is terminated at a first end by a charging terminal are disclosed. The apparatus includes multiple taps coupled...
US20100225162 Power mains transformer data bridge  
A circuit and system having an inductive data link from one or more user-side phases to a plurality of line-side phases by individual data transformers having a winding coupled to the particular...
US20060170285 Data transmission system and data transmission method  
The present invention includes an electric wire laid in cars, a PLC modem connected with each electric wire and a terminal connected with each PLC modem. The terminal can communicate through the...
US20120274278 POWER SUPPLY APPARATUS AND VEHICLE CHARGING APPARATUS  
A low-pass filter (63) is disposed between a residential power line (3a) and a vehicle power line (7), and attenuates a power line communication high-frequency signal. A power line communication...
US20120119568 DEVICE AND SYSTEM FOR COMMUNICATING ON A SUPPLY LINE  
This system (8) for coupling between a wire communication link (16) exhibits a characteristic line impedance suitable for transporting a single signal simultaneously comprising an electrical power...
US20110204711 SYSTEMS AND METHODS FOR DETECTING DATA COMMUNICATION OVER A WIRELESS POWER LINK  
A wireless power supply system that detects communications in the input power to the switching circuit. In this aspect of the invention, the wireless power supply includes a detector for...

Matches 1 - 41 out of 41