Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
03/2014
03/19/2014CN103647627A Networked medium voltage narrow band power line carrier device based on carrier timing
03/19/2014CN103647610A A low-voltage power line communication channel impulse noise detection method based on an amplitude and a width
03/19/2014CN103647581A Robust wideband symbol and frame synchronizer for power-line communication
03/19/2014CN103647580A Jammer canceller for power-line communication
03/19/2014CN102291302B Local routing reconstruction method in power line carrier communication network of low-voltage electric distribution network
03/19/2014CN102195681B Demodulation signal gain control method and device and microcontroller
03/18/2014US8675887 Wireless illuminative speaker system and wireless illuminative speaker thereof
03/18/2014US8675886 Method and apparatus for providing a splitter in a notification system
03/18/2014US8675883 Apparatus and associated methodology for suppressing an acoustic echo
03/18/2014US8675721 Method and apparatus for determining and displaying the throughput rate of a modem
03/18/2014US8675720 Noise estimation filter
03/18/2014US8675504 Energy efficient ethernet (EEE) with 10GBASE-T structures
03/18/2014US8674805 Access control system and method using radio-frequency identification and imaging
03/18/2014US8674784 Microwave pulse compressor using switched oversized waveguide resonator
03/18/2014US8674539 Powerline communication power supply and modem interface mechanism
03/18/2014CA2802464C Systems and methods for isolating current flow to well loads
03/18/2014CA2700119C Train communication system, communication device and relay device
03/14/2014CA2789768A1 System amd method to control amplifier gain in a radiating line communication system
03/13/2014WO2014039543A2 Power distribution line communications with compensation for post modulation
03/13/2014WO2014039197A1 Methods and systems for vehicle broadband connection to a data network
03/13/2014WO2014037742A1 Interference cancellation
03/13/2014WO2014037347A2 Method in a prediction filter, and such a prediction filter
03/13/2014WO2014037066A1 Device for power line communication, power line communications system, method for operating a device for power line communication and for adapting plc transmissions to noise
03/13/2014WO2014036916A1 Power line communications system and method
03/13/2014US20140072060 Receiver, apparatus, and methods for wirelessly receiving data from a power infrastructure
03/13/2014US20140072059 Power line communication network and discovery process
03/13/2014US20140072023 Determining the signal quality of an electrical interconnect
03/13/2014US20140072018 Led lamp combined with wireless communication
03/13/2014DE112011101187B4 Induktiv belastete Übertragungsleitung für integrierte photonische Anwendungen und Verfahren zum Realisieren einer solchen Inductively loaded transmission line integrated photonics applications and methods for realizing such
03/12/2014EP2706712A1 Method and system for improving data transfer integrity
03/12/2014EP2706670A2 Method in a prediction filter, and such a prediction filter.
03/12/2014EP2706669A1 Interference cancellation in multi-mode radio access technology devices
03/12/2014DE202013009860U1 Lautsprecher Speaker
03/12/2014CN203482198U Dual-channel power line carrier communication module circuit
03/12/2014CN103636140A Methods and system for increasing data transmission rates across a three-phase power system
03/12/2014CN103636139A Communication system and communication device
03/12/2014CN103636138A Systems and methods for reduction of triple transit effects in transceiver communications
03/12/2014CN103635360A Communication system and communication device
03/12/2014CN103634180A Power line carrier communication based intelligent home system
03/12/2014CN103634179A Intelligent housing system based on power line carriers and 3G (3rd generation telecommunication) communication
03/12/2014CN103634178A Power line carrier and ZigBee based intelligent home system
03/12/2014CN103634029A Broadband power line carrier system suitable for intelligent substation communication and networking method
03/12/2014CN103634028A PLC household electrical appliance communication terminal system
03/12/2014CN103631255A Fault injection equipment and method for avionics system health diagnosis
03/12/2014CN103630168A Power line carrier communication based temperature and humidity acquisition system
03/12/2014CN102651656B Signal processing method, device and system based on twisted pairs
03/12/2014CN102362438B Underwater communication system
03/12/2014CN102197560B Protection relay and method for controlling transmission level of same
03/12/2014CN102195680B Microcontroller as well as method and device for receiving and processing power line carrier (PLC) signal
03/12/2014CN102195677B Receiving circuit, transmitting circuit, microcontroller and power-line carrier communication method
03/12/2014CN102006100B Transceiver in communication system and starting method thereof
03/12/2014CN101610102B Method, system and device for optimizing power
03/12/2014CN101499657B Remote wired, wireless wideband network and electrical power system
03/11/2014US8670492 Data communication system and data communication device
03/11/2014US8670479 Power line communication system
03/11/2014US8670465 Radio communication method and a base station and user terminal thereof
03/11/2014US8670358 Full duplex network radio bridge with low latency and high throughput
03/11/2014US8669828 Decoupling capacitor control circuitry
03/11/2014CA2589903C Method and apparatus for waking a person
03/06/2014WO2014032870A1 Method and device for determining a parameter that characterizes a number of spare positions to be used for cancelling the crosstalk of lines joining a digital subscriber line vectoring group
03/06/2014WO2014032613A1 Method for domain access control, method for domain search, and communication device
03/06/2014WO2014032260A1 Method, device and system compatible with vdsl2 conventional user end equipment
03/06/2014WO2014013105A4 System and method for detecting the meters of each low-voltage line of transformation centers
03/06/2014US20140064492 Nomadic device for controlling one or more portable speakers
03/06/2014US20140064476 Systems and methods of echo & noise cancellation in voice communication
03/06/2014US20140064389 System and method to monitor powerlines
03/06/2014US20140064388 Power line communication system for vehicle
03/06/2014US20140064387 Power distribution line communications with compensation for post modulation
03/06/2014US20140064267 Modem With Voice Processing Capability
03/06/2014US20140062622 Low-frequency equalizer circuit for a high-speed broadband signal
03/06/2014US20140062611 Filtering device with slotted ground structure
03/05/2014EP2704332A2 Emergency/safety lighting unit and method for controlling the same
03/05/2014EP2704331A1 Method and device for determining a parameter that characterizes a number of spare positions to be used for cancelling the crosstalk of lines joining a digital subscriber line vectoring group
03/05/2014EP2702696A1 Communications distribution systems, apparatus and methods using power line carrier communications
03/05/2014EP2702695A1 Systems and methods for reduction of triple transit effects in transceiver communications
03/05/2014EP2702599A1 Radio-frequency circuit assembly
03/05/2014CN203466973U Power line transmission-based mobile communication indoor micro distribution system
03/05/2014CN203466813U Multifunctional electric modem
03/05/2014CN203466812U Digital transmission system of underground signal of electric submersible pump
03/05/2014CN203466811U PLC (power line communication) modem
03/05/2014CN203466810U Audio remote access and playing system
03/05/2014CN103620992A Equalization device and equalization method
03/05/2014CN103620973A Systems and methods of power line transmission of solar panel data
03/05/2014CN103618657A RS485-Profibus PA bus converter
03/05/2014CN103618563A Remote digital signal wire distribution system
03/05/2014CN103618562A Intelligent digital signal wire distribution device
03/05/2014CN103618561A Sickbed calling system based on power line carrier communication
03/05/2014CN102386947B Communication device and method thereof
03/05/2014CN102326334B Method and apparatus for analyzing line crosstalk
03/05/2014CN101953157B Feedback system and apparatus for video compensation
03/04/2014US8667194 Two-wire interface in which a master component monitors the data line during the preamble generation phase for synchronization with one or more slave components
03/04/2014US8666524 Portable music player and transmitter
03/04/2014US8666315 Managing anonymous communications between users based on short-range wireless connection identifiers
03/04/2014US8666310 Relay and hierarchical transmission scheme
03/04/2014US8666094 Drive control method of electrostatic-type ultrasonic transducer, electrostatic-type ultrasonic transducer, ultrasonic speaker using electrostatic-type ultrasonic transducer, audio signal reproducing method, superdirectional acoustic system, and display
03/04/2014US8666087 Integrated audio/communication system for use in a motor vehicle
03/04/2014US8665938 Wireless transmission apparatus and self-checking method of wireless transmission apparatus
03/04/2014US8665936 Experiments transmitter training systems and method
03/04/2014US8665928 Circuit for generating an output clock signal synchronized to an input clock signal
03/04/2014US8665076 Tactile feedback method and system, computer program and storage medium that stores the computer program
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