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8130084 |
Fault tolerant closed system control using power line communication
A method, system, and computer program product are provided for communicating to a powered element in a rack system. A controller injects communication data onto power lines that provides power to...
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8130080 |
Transponder actuatable switching device
The present invention relates to a switching device for generating a switch signal, a reading device with the switching device and a method for the communication between a reading device and a...
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8068014 |
System for control of lights and motors
A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source...
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8036233 |
Power line communication apparatus, power line communication system, power line communication method and integrated circuit
A power line communication apparatus transmits a signal to a first power line communication apparatus through a power line connecting to a second power line communication apparatus. The power line...
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8031758 |
Powerline communication (PLC) modem employing an analog electromagnetic transducer
A PLC cable modem is provided which includes an analog electromagnetic field transducer for generating an electromagnetic field based on an analog electrical signal and also for generating an...
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7795877 |
Power line communication and power distribution parameter measurement system and method
A power line communication device is provided that in one embodiment includes a parameter sensor device configured to measure a parameter of a power line, a modem configured to transmit parameter...
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7675386 |
Inductive coupling circuit and telecommunication method by sheathed cables of an electrical current distribution network
The various designs of capacitive or inductive coupling/decoupling fitted on cables in a medium voltage network are known, the inductive coupling circuits constantly inducing current in the sheath...
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7675408 |
Power line communication system, 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...
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7667344 |
Coupling communications signals to underground power lines
In one embodiment, a system for coupling communications signals to an underground medium-voltage power line includes a medium-voltage power line, a ground conductor, one or more ferrites, and a...
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7626489 |
Power line communications device and method
In one embodiment, a power line communication system network element is provided that provides communications to one or more user devices. The device may also receive data from one or more sensors,...
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7583181 |
Supply line structure for supplying energy to electrical components of a motor vehicle
A supply line structure for supplying energy to electrical components of a motor vehicle, and for the transmission of information between at least a portion of the components (so-called Powerline...
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7564341 |
Method for transmitting data and power to networked devices
The present technique relates to the distribution of power and data signals throughout a networked system. For example, three-phase power may be conducted to a device over a set of conductors. One...
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7561025 |
Broadband coupler technique for electrical connection to power lines
Disclosed is a power line broadband communication system having broadband coupler devices capable of direct electrical connection to an energized power line. The coupler includes a conductive...
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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...
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7529073 |
Protecting medium voltage inductive coupled device from electrical transients
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...
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7510126 |
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...
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7463877 |
PLC breaker bridge
In accordance with certain embodiments consistent with the invention, a power line communication (PLC) bridge circuit, consistent with certain embodiments, has a first coupler that couples data...
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7449991 |
Power line communications device and method
The present invention provides a device for providing communications over power lines that includes a backhaul modem, a power line modem, and a user port modem. The device may provide...
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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...
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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...
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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...
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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...
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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...
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7321291 |
Power line communications system and method of operating the same
The present invention provides a system and method for operating a power line communications system for communicating via an underground residential distribution power system. One embodiment of the...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7183900 |
Coupling circuit arrangement for data communication over power lines
A coupling circuit arrangement for data communication over a power line comprises a modulator/demodulator circuit for modulating data signals for transmission over the power line, and for...
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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...
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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...
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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...
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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...
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7103240 |
Method and apparatus for providing inductive coupling and decoupling of high-frequency, high-bandwidth data signals directly on and off of a high voltage power line
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 cou...
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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...
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7079012 |
System and method for distributing broadband communication signals over power lines
The present invention is directed to a method for decreasing high frequency (HF) radiation emission in a power line. The method involves transmitting a utility power signal over the power line and...
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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...
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7046124 |
Power line coupling device and method of using the same
The coupler of the present invention couples broadband RF signals to and from a power line conductor. The coupler of one embodiment that is for use with overhead power lines includes a length of...
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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...
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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...
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6998964 |
Splitter
A splitter for enabling a power signal and a communication signal to be transmitted over a common communication link is provided. The splitter includes a line port adapted to be coupled to a...
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6995658 |
Digital communication over 28VDC power line
A power line modem interface includes a modem that modulates an RF signal with digital data and demodulates an RF signal to recover digital data. A filter is connected to the modem and to a DC...
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6927672 |
Information transmission over power lines
A method of transmitting data over lines of power line network comprising: inductively generating opposite polarity currents representing the data on first and second lines of a pair of lines of...
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6922135 |
High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies
An apparatus is provided for high frequency multiplexed electrical line communication for cable TV, telephone, internet, security and other control applications over the mid and low voltage power...
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6897764 |
Inductive coupling of a data signal for a power transmission cable
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...
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