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7378952 Systems and devices for broadband communication with an alarm panel  
A communications system for an alarm panel including: an alarm panel adaptor in operable communication with the alarm panel generating analog alarm signals; a first powerline communications device...
7339458 Power line communications interface and surge protector  
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...
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...
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...
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 L 1 or L 2 power lines of a home and a PLC receiver plugged into the opposite L 2 ...
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...
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...
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...
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...
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...
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...
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...
7248178 RF communication with downhole equipment  
Data or control signals are communicated over a three phase power cable supplying power from a surface location to a motor/pump assembly located within a wellbore utilizing modulated radio...
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...
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...
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...
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...
7193506 Method and system for maximizing data throughput rate in a power line communications system by modifying payload symbol length  
Data throughput rate in a power line communications (“PLC”) system is controlled by generating PLC carrier signals in accordance with a PLC signal frame structure containing payload symbols...
7183902 Very local area network (VLAN)  
A Very Local Area Network (VLAN) comprises a power strip device having an electrical connector for connection to an AC power supply line and one or more surge protectors and line filters. Multiple...
7176785 Device control system  
While a general-purpose interface circuit and another general-purpose interface circuit are provided so as to transmit/receive data between a host appliance and a device appliance, when the...
7170394 Remote current sensing and communication over single pair of power feed wires  
Disclosed is a novel technique for transferring power and signals between two electrical devices over a single wire pair. In particular, a remote sensor is connected to a host device. Power to the...
7167081 Communication module and process for networking within and between powered communication devices over a multi-phase power distribution system or subsystem  
This invention allows the communication of mission critical data to devices that communicate within the same, or a separately connected, power distribution system. Devices operate by being...
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...
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....
7135982 Home network system and control method for the same  
A home network system and a control method thereof in which an electric home appliance periodically transmits an alive message through a network to inform that it is in operation, and a home server...
7129823 Communications setting method and communications setting system for power line communications system  
A communications setting method for a communications network system for performing data communications among a plurality of devices through power line has a house code notification including a...
7124184 Home networking system having alive and connection termination messages and method for operating same  
A home network system for controlling one or more home appliances connected to a network and a method for operating the same. If an alive message or a connection termination message is normally...
7119678 Wireless light sensor input to a security system  
The present invention relates to a system and method for the wireless light sensor input to a security system, wherein the light sensed by the light sensor is used to determine the activation and...
7102490 Endpoint transmitter and power generation system  
An endpoint in a power distribution system includes a transmitter. The transmitter includes a transformer, a half-bridge driver, a first and second driver, and a resonant circuit. A primary winding...
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...
7064654 Power line communication system and method of operating the same  
A system for operating a power line communication system is provided. One embodiment is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul...
7049939 Power line carrier system  
The power line carrier system provides with a filter in a power branch apparatus removable from an external power line. The filter passes a power line carrier signal in a signal mode for the...
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...
7034662 Multi-function integrated automation cable system and method  
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...
7015798 Method and system for bidirectional data and power transmission  
A method and system for bidirectional data and power transmission are shown and described. An exemplary embodiment comprises a current receiver, including a microprocessor and a driver, and a...
6999505 Power line communication modem capable of simultaneously supplying power and exchanging data  
A power line communication MODEM includes a rectification circuit for converting an AC power source to a DC power source, a MODEM circuit to which a DC voltage is supplied from the rectification...
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...
6993317 Method and system for signal repeating in powerline communications  
A method and system for enhancing communication signals in a power-line communications system, which uses high-voltage or medium-voltage power lines as a transmission medium. Because communication...
6993289 System including a wall switch device and a system including a power outlet device and methods for using the same  
A system including a wall switch device, a system including a power outlet device, and methods for using are described. In one embodiment, the system includes at least one wall switch device and a...
6980089 Non-intrusive coupling to shielded power cable  
The invention describes a method and a device for transporting a signal over a power line. The inventive method includes inducing an alternating current (AC) voltage from the power line, powering a...
6958677 Object location monitoring system  
An object location monitoring system includes beacons that are spatially distributed throughout an area to be monitored. The beacons transmit interrogation signals that are received and echoed by...
6950010 Method, system and apparatuses for the transmission of data on electric network  
Method and system for transmitting/receiving or communicating data and information on electric power line between two electronic controlled devices, namely, and electric user (HA), in particular a...
6940396 Concurrent phase communication in TWACS  
A method for concurrently communicating over each phase of an electrical power distribution network (N). A first outbound signal (SO 1 ) is transmitted over one phase (AN-A) of a bus (S) by an...
6911900 System and method for electronically signalling along a fence line  
A system for electronically signalling along a fence line, comprising one or more transmitter device(s) for connection to the fence line from which control signals or information may be sent along...
6906618 Method and system for bidirectional data and power transmission  
A method and system for bidirectional data and power transmission are shown and described. An exemplary embodiment comprises a current receiver, including a microprocessor and a driver, and a...
6870465 Interface controller for magnetic field based power transmission line communication  
The present invention relates to magnetic field based power transmission line communication interface controller for subscriber's terminal to receive voice, data and other kinds of electrical...
6867689 Power line communication modern not requiring extra plug socket  
A power line communication MODEM includes a MODEM main body portion and a power supply portion for converting an A.C. power source to a D.C. power source and supplying the D.C. power source to the...
6838978 Appliance data collecting system  
A controller ( 1 ) holds appliance data acquired from an appliance ( 3 ) regularly and without loss. A display terminal ( 2 ) is capable of moving to other rooms through a receptacle and holds the...
6834091 Time synchronization for data over a powerline modem network  
Synchronization of a powerline modem network ( 10 ) with a plurality of devices is provided. A plurality of devices ( 16 and 18 ) each include a powerline modem ( 20 ) and a clock circuit ( 22 )...
6809633 Coupling broadband modems to power lines  
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...
Matches 1 - 50 out of 204 1 2 3 4 5 >