Matches 1 - 14 out of 14


Match Document Document Title
US20060170285 Data transmission system and data transmission method  
The present invention includes an electric wire laid in cars, a PLC modem connected with each electric wire and a terminal connected with each PLC modem. The terminal can communicate through the...
US20070138867 Apparatus for adjusting phase between the different phases in power line communication system  
Provided is an apparatus for adjusting the phase difference between different phases in a power line communication (PLC) system. The apparatus includes a power signal blocking unit blocking a...
US20120126612 AC-DC POWER SUPPLY UNIT AND ASSOCIATED DEVICE  
An external power supply unit (PSU) for an appliance includes rectification circuitry operable to convert an AC voltage from mains power lines to a DC voltage output, decoupling circuitry operable...
US20060017324 Communications network using installed electrical power lines  
The present invention relates to a system for networking electrical devices to provide interactive communication therebetween utilizing the existing power distribution network installed in a...
US20060140260 Power supply line communication modem and power supply line communication system  
A modem for power-line communications (20A) comprises input/output terminals (71a and 71b) and input/output terminals (72a to 72d). The input/output terminals (71a and 71b) are connected to a...
US20060187004 Method and device for reducing common more signal in power line communication system  
In a wire-bound network which comprises unshielded lines such as power supply lines, electromagnetic radiation is produced when transmitting data above the mains frequency. The device according to...
US20080290729 ETHERNET INTERCONNECTION APPARATUS AND METHOD  
An Ethernet interconnection device and method. The apparatus includes an input Ethernet connector, a signal separating circuit electrically connected to the input Ethernet connector, a voltage...
US20070273205 Communication system for use in data communications between power generator and external unit  
In a communication system, a first modulator converts first data created one of a power-generator and an external unit into a first modulated signal, and transmits the first modulated signal to...
US20080303343 Power Line Communications System and Power Line Communications Method  
The power line communications system of the present invention comprises a power line L that has a plurality of branch lines LB1 to LBn branched at a branch point; communications devices T1 to Tn...
US20070116133 Automation device  
The invention relates to an automation device (100, 100′), in which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission...
US20120313428 COMMUNICATION SYSTEM AND ELECTRONIC CHOKE CIRCUIT  
The object of the invention is to propose a communication system using an electronic choke circuit which has impedance slightly varied with a load variation and is prevented from having negative...
US20080116745 Apparatus for providing power and network signal from powerline network  
An apparatus for providing power and network signal from a powerline network includes: a power component to connect the powerline network; a power unit electrically connected to the power...
US20080067868 BPL Low-Voltage Coupler  
Method and system for transmitting data using power lines are disclosed. The method includes tying low voltage lines for the transmission of BPL signals but maintaining isolation of those voltage...
US20090153133 METHODS AND APPARATUS FOR COLLECTING CHARACTERISTICS OF A POWER LINE A BPL SYSTEM  
An apparatus for collecting characteristics of a power line in a broadband over power line system that comprises a power line characteristic measuring device for measuring power line...

Matches 1 - 14 out of 14