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| Number | Title | Issue Date |
| 8183988 | Method and system for radio-frequency signal coupling to medium tension power lines with auto-tuning device In one aspect, the present invention comprises a method for tuning a power line communication inductive signal coupling device comprising a coupler and a plurality of capacitors, the method comprising: passing a carrier frequency signal through the coupler; sensing ... | 05/22/2012 |
| 7948363 | Method and system for radio-frequency signal coupling to medium tension power lines with auto-tuning device In one aspect, the present invention comprises a method for tuning a power line communication inductive signal coupling device comprising a coupler and a plurality of capacitors, the method comprising: passing a carrier frequency signal through the coupler; sensing ... | 05/24/2011 |
| 7561026 | Bypass device and method for a power line communications system A passive bypass device for providing a data path around a power meter is provided. The device may be communicatively connected to two low voltage power line energized conductors on a first and a second side of a power meter. The energized power line conductors cond... | 07/14/2009 |
| 7437140 | Power line network bridge A power line communication (PLC) bridge circuit consistent with certain embodiments has a first coupler that couples data signals to and from the first power line circuit and a second coupler that couples data signals to and from the second power line circuit. The f... | 10/14/2008 |
| 7414518 | Power line communication device and method A signal is received from a first portion of a power line via a connection to the power line and at least a portion of the signal is converted to a non-electrically conducting signal. The non-electrically conducting signal may be communicated to a non-electrically c... | 08/19/2008 |
| 7382232 | Power line communications device and method of use A device and method for providing power line communications via an underground residential distribution power system is provided. One embodiment of the present invention includes a power line bridge having though section and processing section. The through section m... | 06/03/2008 |
| 7378944 | Controlling power output of a modem for power line communications There is provided an arrangement of components for use in a power line communication system. The arrangement includes a modem for providing an output to a power line, a sensor for sensing a parameter of the output; and a controller for adjusting a power of the outpu... | 05/27/2008 |
| 7378943 | Noise suppressing circuit A noise suppressing circuit (1) suppresses noise emerging from an electronic apparatus (2) and propagating through conductive lines (3a and 3b). The noise suppressing circuit (1) comprises a low-band noise reducing ci... | 05/27/2008 |
| 7372280 | Method and system for transmitting an information signal over a power cable The invention relates to a method for inputting an information signal into a power cable which is connected to a voltage supply and which includes at least one or more conductors, a dielectric provided around the conductors and a conductive earth sheath arranged who... | 05/13/2008 |
| 7323968 | Cross-phase adapter for powerline communications (PLC) network An adapter to reduce the effects of cross phase communication between a PLC transmitter plugged into one of the L1 or L2 power lines of a home and a PLC receiver plugged into the opposite L2 or L1 power line includes a housing with one si... | 01/29/2008 |
| 7319280 | Power line coupler adapted for use with multiple communication systems using different frequency spectra Devices and system for interfacing multiple power line communications (PLC)-enabled communication devices in a building are disclosed. In various embodiments, the system can include a high-frequency transformer coupled to a high-frequency communications device, a lo... | 01/15/2008 |
| 7315234 | Load control apparatus and load control system A load control apparatus is connected to a master station through a power line supplied with direct-current power. The load control apparatus is driven by the direct-current power supplied from the power line to communicate with the master station through the power ... | 01/01/2008 |
| 7312694 | Capacitive couplers and methods for communicating data over an electrical power delivery system Capacitive couplers and methods for communicating data over an electrical power delivery system are disclosed. A device for coupling a signal onto a conductor of an electrical power delivery system includes a conductive member having a length of at least six inches ... | 12/25/2007 |
| 7307511 | Power line communication system and method The last portion of the electrical distribution system is used to provide high-speed communications to residential homes. An aggregation point interfaces a medium voltage power line with a point-of-presence, and a power line bridge enables flow of communications sig... | 12/11/2007 |
| 7289873 | Sensor system for a cutting machine tool The present invention relates to a sensor system for a cutting machine tool (300) with an energy supply unit (101), which inductively provides energy for the supply of at least one sensor arrangement (110) of the cutting machine tool (300... | 10/30/2007 |
| 7280032 | Apparatus and method for communication system An apparatus/system for use in coupling power from a power supply to a device over a network transmission medium is provided. The coupling apparatus/system generally includes one or more common mode chokes that feature a first winding and a second winding, the first... | 10/09/2007 |
| 7268670 | Power line communications system A power line communications technique (PLC) is disclosed which allows communications across any three phase electric system by modulating the impedance through earth between any two points of differing voltage on the electrical system in order to use the power suppl... | 09/11/2007 |
| 7265664 | Power line communications system and method A power line communications system (PLCS) that provides communications to one or more user devices by repeating data packets on the power distribution network is provided. The PLCS may employ any or all of the MV power line conductors and/or the neutral conductor an... | 09/04/2007 |
| 7259657 | Multi-subnet power line communications system and method A system that includes low voltage power line subnet coupler that provides bi-directional communications between multiple power line subnets while substantially preventing the flow of power is provided. The system may include a power line communications device coupl... | 08/21/2007 |
| 7256727 | System and method for radiating RF waveforms using discontinues associated with a utility transmission line A method for processing radio frequency reflections is provided. The method applies an RF waveform to a transmission line that is a conductor used for providing a utility service. The method uses a RF waveform generator to transmit UltraWideband (UWB) RF waveforms t... | 08/14/2007 |
| 7250848 | Power line communication apparatus and method of using the same The present invention provides a communication device for use with a power line communication system. One embodiment of the present invention forms a bypass device and comprises a LV coupler, a LV signal conditioner, a controller, a MV modem, a first MV signal condi... | 07/31/2007 |
| 7245212 | Power line communication apparatus and method of using the same A communication device for use with a power line communication system is provided. One embodiment forms a bypass device and comprises a low voltage coupler, a low voltage signal conditioner, a controller, a medium voltage modem, a first medium signal conditioner, an... | 07/17/2007 |
| 7227451 | Method and system for radio-frequency signal coupling to medium tension power lines with auto-tuning device In one aspect, the present invention comprises a method for tuning a power line communication inductive signal coupling device comprising a coupler and a plurality of capacitors, the method comprising: passing a carrier frequency signal through the coupler; sensing ... | 06/05/2007 |
| 7224272 | Power line repeater system and method A PLCS network element that provides communications to one or more user devices and may also repeat data for other network elements is provided. In one embodiment, the device includes software for discovering its upstream gateway, for acting as a gateway for other d... | 05/29/2007 |
| 7215245 | Activator circuit responsive to power line disturbances An activator circuit responsive to power line disturbances. In condition of false alarm, the user will toggle a local light switch causing electrical disturbances on the power line. The activator circuit detects these disturbances and activates an output, which is f... | 05/08/2007 |
| 7212101 | Device for broadband electrical signal and/or energy transmission using a transmission system including couplers An arrangement for broadband signal and/or energy transmission, between at least two units is disclosed. Said units may be displaced relative to each other along a track. Said arrangement comprises a first unit, which has a symmetrical open circuit arrangement with ... | 05/01/2007 |
| 7194528 | Method and apparatus for processing inbound data within a powerline based communication system A powerline based communication system includes a powerline termination module, a plurality of powerline gateways, and a plurality of powerline nodes. The powerline termination module manages data for local area networks within the powerline based communication syst... | 03/20/2007 |
| 7170367 | Inductive coupler for power line communications There is provided an inductive coupler for coupling a data signal to a power line. The inductive coupler includes a split magnetic core having an aperture formed by an upper magnetic core and a lower magnetic core. The aperture permits the power line to pass thereth... | 01/30/2007 |
| 7163158 | HVAC communication system A system for communicating across conventional HVAC wiring is provided. The system includes a communication device having a communication module capable of inducing low power, high frequency current signals into a single control wire coupling, for example, a thermos... | 01/16/2007 |
| 7154382 | Arrangement of inductive couplers for data communication There is provided a system including (a) a first inductive coupler for coupling a data signal between a port of the first inductive coupler and a first subset of a plurality of electrically parallel conductors, and (b) a second inductive coupler for coupling the dat... | 12/26/2006 |
| 7154381 | System and method for operating a sensed power device over data wiring According to the present invention, a power source delivers power to a networked device over network cabling (e.g., Ethernet cabling) in one of two modes: a low power mode and a high power mode. The power source begins delivering power at a low power level in the lo... | 12/26/2006 |
| 7148788 | Method for transmitting high-frequency signals to low-frequency networks and corresponding system It is a known fact that even information signals in the kilohertz and megahertz range can be transmitted via the bus systems of power transmission networks. The invention provides a method and a system for improving the transmission behavior by feeding the signals n... | 12/12/2006 |
| 7148799 | Arrangement of daisy chained inductive couplers for data communication There is provided an arrangement of inductive couplers. The arrangement includes a first inductive coupler on a conductor, and a second inductive coupler on the conductor. The first inductive coupler has a first winding for a data signal, and the second inductive co... | 12/12/2006 |
| 7091831 | Method and apparatus for attaching power line communications to customer premises A method and apparatus for modifying a power distribution network in a building in order to provide data communication by using a Power Line Carrier (PLC) signal to an approximate electrical central location point of a power distribution system remote from the data ... | 08/15/2006 |
| 7079013 | Device for the inductive transmission of energy and/or data The device has a primary circuit (1) that transmits energy or data via an intermediate circuit (2) to a secondary circuit (3) by means of induction. The intermediate circuit (2) has a very low quality factor. The inductive coupling betwee... | 07/18/2006 |
| 7046882 | Power line communication system and method The present invention is drawn to an electrically “closed” method and apparatus for transmitting and receiving data signals over a high voltage power line. Inductive coupling is employed for coupling and decoupling the data signal directly on to and off of a sin... | 05/16/2006 |
| 7019620 | Device for the inductive transmission of electrical power The invention relates to a device for the inductive transmission of electrical power, comprising a power line which is situated on the primary side of said device and which consists of two wires which are guided in a parallel manner relative to each other. Power can... | 03/28/2006 |
| 7005943 | Filter for segmenting power lines for communications There is provided a method for blocking a portion of energy of a signal in a power line. The method includes equipping a high frequency magnetic core with a coil, connecting a capacitor across terminals of the coil to create a resonant circuit that resonates at a fr... | 02/28/2006 |
| 6696925 | Electrical revenue meter and instrument transformers mobile station A mobile metering system (MMS) comprises a trailer-mounted fully-enclosed three-phase set of current transformers (CTs) and power transformers (PTs), and a metering interface. The instrument transformers reduce the source voltage to a meterable level. The... | 02/24/2004 |
| 4862157 | Signal transfer method and equipment for electric machine equipped with three-phase power supply cable For transferring signals relative to an electric machine provided with a three-phase power supply cable with three phase conductors, there is applied a signal to be transmitted to a first point in the three-phase cable between anyone of the phase conducto... | 08/29/1989 |
