| Patent Number |
Title Of Patent |
Date Issued |
| 7378944 |
Controlling power output of a modem for power line communications |
May 27, 2008 |
| 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 output based on a value of |
| 7376385 |
Repeaters sharing a common medium for communications |
May 20, 2008 |
| A system for communications on a bi-directional medium includes a first repeater, a second repeater, a third repeater and a fourth repeater, each of which is coupled to the medium. The first repeater and the second repeater communicate with each other on a first band for transmission |
| 7339458 |
Power line communications interface and surge protector |
March 4, 2008 |
| There is provided a system that includes an AC power input port for connection to an AC power line, an AC power output port for providing power from the AC power line, an AC power surge suppression circuit for limiting voltage at the AC power output port, a data port, a capacitive da |
| 7215233 |
Inductive coupler for power line communications |
May 8, 2007 |
| There is provided an inductive coupler for coupling a signal to a conductor. The inductive coupler includes (a) a magnetic core having an aperture through which the conductor is routed, (b) a winding wound around a portion of the magnetic core, where the signal is coupled between the |
| 7170367 |
Inductive coupler for power line communications |
January 30, 2007 |
| 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 therethrough as a primary |
| 7158003 |
Construction of medium voltage power line data couplers |
January 2, 2007 |
| There is provided an inductive coupler for coupling a data signal to a phase line of 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 phase line to pass therethro |
| 7154382 |
Arrangement of inductive couplers for data communication |
December 26, 2006 |
| 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 data signal between a |
| 7148799 |
Arrangement of daisy chained inductive couplers for data communication |
December 12, 2006 |
| 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 coupler has a second win |
| 7116007 |
Protecting medium voltage inductive coupled device from electrical transients |
October 3, 2006 |
| There is provided a method for protecting loads associated with power distribution system inductive signal couplers. The method includes (a) providing an inductive signal coupler having a first winding in series with a line conductor of a power distribution system, a second winding h |
| 7109835 |
Highly insulated inductive data couplers |
September 19, 2006 |
| There is provided an inductive coupler for coupling a signal to a power line. The inductive coupler includes a magnetic core for placement about the power line, a coil wound around a portion of the magnetic core, and a semiconducting coating that encapsulates the core and contacts the po |
| 7078996 |
Inductive coupler for power line communications |
July 18, 2006 |
| There is provided an inductive coupler for coupling a signal to a conductor. The inductive coupler includes (a) a magnetic core having an aperture through which the conductor is routed, (b) a winding wound around a portion of the magnetic core, where the signal is coupled between the |
| 7061370 |
High current inductive coupler and current transformer for power lines |
June 13, 2006 |
| There is provided an inductive power line data coupler. The coupler includes (a) a magnetic core having a high magnetic permeability at a data communication frequency and being configured to allow a power line of a power distribution system to be routed through the magnetic core to s |
| 7005943 |
Filter for segmenting power lines for communications |
February 28, 2006 |
| 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 frequency of the signal, |
| 6975210 |
Arrangement of an inductive coupler for power line communications |
December 13, 2005 |
| There is provided an arrangement of components for use in a power line communication system. The arrangement includes (a) an inductive coupler having a core with an aperture through which a coaxial power cable is routed, where the coaxial power cable has a center conductor and an outer |
| 6897764 |
Inductive coupling of a data signal for a power transmission cable |
May 24, 2005 |
| There is provided a coupler for a data signal. The coupler includes a core through which a phase conductor of a power distribution system can be routed, and a winding wound around a portion of the core. The data signal is inductively coupled between the phase conductor and the winding vi |
| 6844810 |
Arrangement of a data coupler for power line communications |
January 18, 2005 |
| There is provided an arrangement of components for coupling data between a power line and a communication device. The arrangement includes an inductive coupler that employs a power line conductor as a primary winding, a capacitor connected across a secondary winding of the inductive |
| 6809633 |
Coupling broadband modems to power lines |
October 26, 2004 |
| A method and system are given for a coupling a data signal over a power distribution system. An inductive signal coupler has two windings. The first winding is in series with a line conductor of the power distribution system. A capacitor is connected between the first line conductor and |
| 6646447 |
Identifying one of a plurality of wires of a power transmission cable |
November 11, 2003 |
| There is provided a method for identifying one of a plurality of neutral wires of a power transmission cable. The method comprises (a) applying a signal to a selected neutral wire, at a first point on the power transmission cable, (b) sensing a relative magnitude of the signal on each |
| 6452482 |
Inductive coupling of a data signal to a power transmission cable |
September 17, 2002 |
| There is provided an apparatus for enabling communication of a data signal via a power transmission cable. The apparatus includes (a) a first winding for coupling the data signal via a conductor of the power transmission cable, and (b) a second winding, inductively coupled to the first w |
| 5847447 |
Capcitively coupled bi-directional data and power transmission system |
December 8, 1998 |
| A power and data transfer system includes a portable device with a first contact circuit formed from a pair of contact pads having an outer surface covered with a dielectric material. A processing unit is coupled to the first contact circuit. A host unit has a second contact circuit incl |
