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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...
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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 ( 3 a and 3 b ). The noise suppressing circuit ( 1 )...
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7369579 |
Method and system for timing controlled signal transmission in a point to multipoint power line communications system
Power line communication (“PLC”) signals are transmitted between a head-end PLC transceiver coupled to multiple remote PLC transceivers over a electric power and communications distribution...
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7366773 |
Alternative communications paths for data sent over power line carrier
Extensions to the concept of using a power line carrier to convey a data record from the secondary side of a first transformer to a receiver in a power distribution substation include receiving the...
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7362214 |
Branching device for transmission line and monitoring apparatus using the same
A branching device for a transmission line, including a main transmission line including at least two signal lines and having respective connectors provided at either end; a first branch...
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7358626 |
Two-wire power and communications for irrigation systems
A large number of irrigation system devices connected to a common two-wire cable can be powered and individually controlled from a central location by transmitting over the cable DC pulses of...
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7352289 |
System and method for detecting the connection state of a network cable connector
A method for detecting a network cable connection state is disclosed. The method includes detecting a change of connection state of a connector using a sensor that resides in the connector and...
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7352282 |
Communication system
A communication system includes a power line, a plurality of PLC networks connected to the power line in common, and an electronic control unit for controlling an electric equipment, connected to...
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7352281 |
Automotive gauge system using a power line carrier
A data display system including a plurality of data sources; a data transmitter coupled to the data sources and to a transmission network comprising a power line; wherein the data transmitter...
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7346332 |
Wired, wireless, infrared, and powerline audio entertainment systems
A method and system for communicating audio signals between an input device and an output device via a network. The output device can include loudspeakers and headphones. In some embodiments an...
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7342507 |
Revenue meter with power quality features
Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of...
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7339493 |
Multimedia controller
A portable communication device ( 200 ) can serve as a multimedia controller and can include a transceiver having wireless access to a client computer ( 510 ) coupled to a multimedia device ( 515,...
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7339466 |
Power line communication system with system member identification
An electric power line communication system operates with an electric power distribution system to provide, via premises power distribution lines, communication links among power line communication...
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7336159 |
System, method and device for retrofitting tractor-trailer communications systems
An improved tractor-trailer communications and tracking system retrofitting assembly, comprising an insulated wire, a flexible wire sleeve, a sealed fuse box, a male connector and a female...
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7336156 |
Communication apparatus, communication method and installation method of railway vehicle-facility intra communication system
A communication apparatus installed in the trains and that in a complex station building, a station or a maintenance factory communication through feeders, trolley wires or third rails can...
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7333011 |
LED-based luminaire utilizing optical feedback color and intensity control scheme
A system and method for implementing an LED-based luminaire ( 100 ) incorporates one or more color channels ( 32 - n ). The luminaire includes a controller ( 50 ) that uses optical sensing and...
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7330129 |
System and method for data retrieval in AC power tools via an AC line cord
An apparatus and method for obtaining data stored in an electronic module within a power tool over a power line cord of the tool, and without any disassembly of the tool being required. An...
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7327222 |
Transmission system for transmitting data via current conducting branches
A system and method for transmitting and receiving data between a power supply and a remotely located load, by use of standard data communication cable has functional data transmitted via the power...
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7327221 |
Power supply communication system and method
A system and method for configuring and monitoring devices utilizing a power line network is provided herein. Each network device (e.g., programmable logic controller, machine, or sensor) contains...
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7319717 |
Device and method for enabling communications signals using a medium voltage power line
In one embodiment, a device for enabling communications signals over a medium voltage power line includes a first modem, a second modem, a third modem, and one or more switches. The first modem is...
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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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7312693 |
Method of increasing burst capacity for automatic meter reading
An automatic meter reader (AMR) used in an electrical distribution system has a communications module ( 26, 28 ) housed within an enclosure ( 12 ) for two-way message communications with a utility...
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7308384 |
Ordered record of system-wide fault in an HVAC system
An HVAC system includes a central controller which communicates with a multiple of HVAC components over a digital communication bus. The central controller maintains an ordered fault list that...
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7307519 |
Communication system and PLC network
A communication system includes a main power line and a plurality of PLC networks connected to the main power line in common. At least one of the PLC networks includes a plurality of nodes. One...
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7307512 |
Power line coupling device and method of use
The coupler of the present invention couples data signals, such as broadband RF signals, to and from a power line. The coupler of one embodiment that is for use with overhead power lines includes a...
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7307510 |
Power meter 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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7301440 |
Power line communication system and method
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One...
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7292600 |
Local area network of serial intellegent cells
A serial intelligent cell (SIC) and a connection topology for local area networks using Electrically-conducting media. A local area network can be configured from a plurality of SIC's...
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7286044 |
Power line communication device for vehicle
A power line communication device for a vehicle is provided with an internal electronic control unit connected to a connection point on a power line, which communicates with an external electronic...
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7280033 |
Surface wave power line communications system and method
The present invention provides a system for operating a power line communications system that employs surface wave communications and conducted communications. The system is comprised of a...
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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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7269467 |
Shelf system
A shelf system with computer-controlled compartment displays, whereby the displays indicate a number of articles to picked out of the compartment. The shelf system has a plurality of sliding...
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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...
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7265654 |
Powerline pulse position modulated transmitter apparatus and method
A transmitting controller is connected to a powerline and on command places a reference signal and a series of signal pulses in the powerline at a series of signal timing positions related to zero...
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7262695 |
Network interface device
An apparatus is disclosed that provides a gateway function. The apparatus has an enclosure surrounding a network interface device. The network interface device has a communications network...
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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...
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7256684 |
Method and apparatus for remote powering of device connected to network
A network node determines the suitability of coupled devices for being remotely line powered before actually powering them. The node scan its ports to determine which ports are coupled to devices....
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7254403 |
Wireless terminal-interoperable home network system
Disclosed herein is a home network system interoperable with a wireless terminal of at least one user registered therein, wherein a terminal server is adapted to transmit and receive data to/from...
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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...
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7248148 |
Power line coupling device and method of using the same
The invention provides a method and a device for communicating a signal over a power line. One embodiment may comprise a length of power cable that comprises a center conductor substantially...
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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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7236765 |
Data communication over power lines
A system for receiving and processing signals received from a plurality of endpoints. Each endpoint includes an endpoint transmitter in electrical communication with a power distribution line...
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7236086 |
Power converter configuration, control, and construction
A transformer having galvanically isolated windings defines a primary side and a secondary side of a power conversion apparatus. A switch couples power from a source on the primary side via the...
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7230522 |
Power line communication device and method
The present invention relates to the field of transferring information over the power line to and/or from the device or devices powered by said power line. For devices that may be powered by either...
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7227462 |
Extremely fast polling method for determining the presence of individual electric meters on a power line
A “super-fast” polling method for electrical meters for outage detection. In response to a query, a large group of electric meters (M) all simultaneously transmit reply signals over an...
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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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7221261 |
System and method for indicating a configuration of power provided over an ethernet port
A system and method indicates the configuration of power to be provided over Ethernet cabling.
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7199699 |
Facilitating communication with power line communication devices
The invention includes a method, system, and device for communicating a data signal with a low voltage premise network. The inventive method comprises communicating the data signal with the low...
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