Patents
Patents for H04B 3 - Line transmission systems (31,523)
03/2014
03/04/2014US8665062 Method and system for communicating access authorization requests based on user personal identification as well as method and system for determining access authorizations
02/2014
02/27/2014US20140057551 Method, system and apparatus for service loss handling
02/27/2014US20140056423 Echo cancellation apparatus, echo cancellation method and communications apparatus
02/27/2014US20140056369 Control Traffic Overhead Reduction during Network Setup in PLC Networks
02/27/2014US20140056340 Power line communications device transmitting at differing power levels in same communication
02/27/2014US20140056339 Method and trancvier for digital subscriber line system
02/27/2014US20140055680 Method and apparatus for automatic compensation of signal losses from transmission over conductors
02/27/2014US20140055250 Methods and systems for controlling devices via power lines
02/27/2014US20140055208 Resonator, multilayer board and electronic device
02/26/2014EP2701373A1 Method, apparatus and system for supporting non-vectored line
02/26/2014EP2700175A1 Amplitude control in a variable load environment
02/26/2014CN203457151U Power line communication system
02/26/2014CN203457150U Carrier wave failure analyzer
02/26/2014CN103609032A Point-to-multi-point transmission over wired loop plant
02/26/2014CN103607344A PLC-based intelligent household gateway apparatus
02/26/2014CN103607224A Method for building two-way link of power-line carrier communication system
02/26/2014CN103607223A Embedded type broadband power line carrier communication system based on OFDM modulation
02/26/2014CN103607222A Self-learning method for cross-frequency-band power line communication frequency
02/26/2014CN103607221A Power line spread spectrum communication equipment
02/26/2014CN103607220A Monitoring device having electric power communication function
02/26/2014CN103607219A Noise prediction method for power line communication system
02/26/2014CN103607218A Cross-frequency-band power-line carrier communication system and communication method thereof
02/26/2014CN102377453B Method and device for controlling updating of self-adaptive filter and echo canceller
02/26/2014CN102201837B Communication node and procedure for various means of transmission
02/26/2014CN102171970B Base station and client device
02/25/2014US8660820 Distortion cancellation using adaptive linearization
02/25/2014US8660531 Access to locked functions
02/25/2014US8660477 Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input
02/25/2014US8660212 Interference classification with minimal or incomplete information
02/25/2014US8660170 Apparatus and method for calibrating the I/Q mismatch in a quadrature bandpass sampling receiver
02/25/2014US8660168 Method and system for communicating via a spatial multilink repeater
02/25/2014US8660055 Pseudo hub-and-spoke wireless audio network
02/25/2014US8660042 Connecting various wireless terminals over power lines
02/25/2014US8659402 Varible operation sensation input device
02/25/2014US8659365 Common mode noise suppression circuit
02/20/2014WO2014028705A1 Robust handshake procedure in cross-talk environments
02/20/2014WO2014028135A1 Methods and systems for exchanging information between aircraft
02/20/2014WO2014027434A1 Multiple access communication system, and solar power generation system
02/20/2014US20140050315 High-speed in-memory qr decomposition using fast plane rotations
02/20/2014US20140050273 Robust handshake procedure in cross-talk environments
02/20/2014US20140049336 Signal splitter
02/20/2014US20140049099 Methods and systems for exchanging information between aircraft
02/20/2014DE102012220846B3 Verfahren zur Topologieerkennung in einem Niederspannungsnetz A method for topology discovery in a low voltage network
02/20/2014DE102012106679A1 Signal preparation unit for preparing differential signals with signal strength, has voltage barrier, which is designed such that each conductor is connected with threshold voltage source by branch line
02/19/2014EP2697984A1 Bidirectional communication system, and method for compensating for undesired feedback in the bidirectional communication system
02/19/2014EP2697909A1 Dynamic target margin adaptation for dsl transmission lines
02/19/2014CN203445873U Multiphase power line carrier communication apparatus
02/19/2014CN203445666U Broadband carrier communication technology-based electric vehicle intelligent charging integrated machine
02/19/2014CN103595674A Modulation-demodulation system of voice signal transmitted through mechanical carrier
02/19/2014CN103595596A An Internet of Things household electrical appliance interconnection system based on PLC
02/19/2014CN103595447A Device for carrying out network communication based on high-speed LVDS signals
02/19/2014CN103595446A Digital transmission method based on alternating current power line
02/19/2014CN103595445A Gain control method and gain control device for demodulation signals and microcontroller
02/19/2014CN103592459A Wind speed monitoring device
02/19/2014CN102487299B Method and device for simulating noise of power line carrier channel
02/19/2014CN102215191B Ethernet over coax (EOC) multimode multiband composite transmission equipment
02/19/2014CN101542928B Distributed antenna communications system and methods of implementing thereof
02/18/2014US8655269 Mobile wireless communication system including radio relay transmission function
02/18/2014US8655268 Relay station and radio communication system
02/18/2014US8655267 Adaptive range extender for extending a range of a cellular network by amplifying uplink and downlink cellular signals
02/18/2014US8654988 Synchronization of signals for multiple data sinks
02/18/2014US8654931 Communication channel capacity estimation
02/18/2014US8654866 Method and apparatus for optimizing dynamic range in DMT modems
02/18/2014US8654865 Device and system for preserving, transmitting and receiving HDMI or A/V signals along a power-line communication network
02/18/2014US8654828 Mechanism for the measurement of DC properties of a signal path
02/18/2014US8654827 Estimation of low-amplitude echoes in a received communication signal
02/18/2014US8654826 Multi-stage phase estimation method and apparatus
02/18/2014US8654825 Backoff adaptation for digital communication systems with channel quality information
02/18/2014US8654794 Radio communication method and a base station and user terminal thereof
02/18/2014US8654689 Advanced signal processors for interference cancellation in baseband receivers
02/18/2014US8654377 Data communication device, communication control method, and program
02/18/2014CA2603867C Network interface device with a remote power source
02/13/2014WO2014025532A2 Micro otdr within data transceiver
02/13/2014US20140047489 Methods for ingress mitigation in cable communication systems involving repair, replacement and/or adjustment of infrastructure elements
02/13/2014US20140044247 Method for performing spectrum management in a subscriber premises network
02/13/2014US20140044200 Power supply control device, method of controlling the same, and power supply control system
02/13/2014US20140043954 Systems and methods for implementing energy-efficient ethernet communications
02/13/2014DE102006041454B4 Verfahren zur Identifikation von Nebensprechen in der Telekommunikation A method for the identification of crosstalk in the telecommunications
02/12/2014EP2696596A1 Dsl activation method, device, system and program product
02/12/2014EP2696512A1 System for coupling a power line communication device to a power line network
02/12/2014EP2696511A1 High Bandwidth equalizer and limiting amplifier
02/12/2014EP2695308A2 Shielding flaw detection and measurement in quadrature amplitude modulated cable telecommunications environment
02/12/2014EP2694986A1 Transmission line parameter determination
02/12/2014CN203435002U Novel practical low-voltage transformer area switch instrument
02/12/2014CN103583032A Resource efficient acoustic echo cancellation in IP networks
02/12/2014CN103581925A Method and system for data transmission
02/12/2014CN103581450A 节能方法及装置 Method and apparatus for energy conservation
02/12/2014CN103581084A Modulation-demodulation method for mechanical carrier wave voice signals
02/12/2014CN103581010A Point-to-point data transmission method of low-voltage power line carrier
02/12/2014CN103580965A Local area internet of things
02/12/2014CN103580925A Method for achieving N-2 anti-accident measure type power communication network
02/12/2014CN103580725A Power transmission micropower distribution system
02/12/2014CN103580724A Power line transmission circuit used for elevator communication
02/12/2014CN102265469B Wireless transceiver within electrical receptacle system
02/11/2014US8649731 Base station apparatus, relay station apparatus, and communication system
02/11/2014US8649730 Wireless data transport apparatus and wireless data transport system
02/11/2014US8649685 Light receiving device and light receiving method
02/11/2014US8649523 Methods and systems using a compensation signal to reduce audio decoding errors at block boundaries
02/11/2014US8649444 TWACS pulse inductor reversal circuit
02/11/2014US8649418 Enhancement of the channel propagation matrix order and rank for a wireless channel
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