Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
07/2012
07/04/2012CN101502054B A device and a method for providing electrical energy to an actuator, and an actuator system
07/04/2012CN101453243B Method, equipment and system for on-line reconfiguration control
07/04/2012CN101378613B LED light source and LED lamp body
07/04/2012CN101359933B Dc line carrier communication device
07/04/2012CN101350666B Illumination light communication device
07/04/2012CN101346897B Echo canceller
07/04/2012CN101317350B Power line communication system using hybrid-fiber coaxial and communication device used in the system
07/04/2012CN101179294B Self-adaptive echo eliminator and echo eliminating method thereof
07/04/2012CN101136723B Self-adaptive electric power carrier wave concentrator
07/04/2012CN101002400B Method and device for transmitting information through a power distribution network
07/03/2012US8214565 Communication apparatus, KVM switch and communication control method
07/03/2012US8213631 Sound system with multiple speakers
07/03/2012US8213630 Sound processing unit, sound processing system, audio output unit and display device
07/03/2012US8213553 Method and apparatus for identifying co-channel interference
07/03/2012US8213492 Channel estimation method operable to cancel a dominant disturber signal from a received signal
07/03/2012US8213490 Transceiver system and associated methods and systems
07/03/2012US8212657 Vibration assembly for portable electronic device
07/03/2012US8212635 Surface wave coupler
07/03/2012US8212381 Method and system for the voltage supply of aircraft cabin modules
07/03/2012US8212377 Smart control device
07/03/2012US8212376 Apparatus and method for providing operative power to powerline-network device
07/03/2012US8212375 Network interface device communication via power line
07/03/2012CA2753003A1 Low cost and flexible energy management system defined in a single unitary housing
06/2012
06/28/2012WO2012086714A1 Relay device
06/28/2012WO2012086024A1 Set terminal used in distributed computing system
06/28/2012WO2012085059A1 Coupling circuit for power line communications
06/28/2012WO2012084221A2 Noise reduction between networks
06/28/2012US20120165631 Signal processing apparatus
06/28/2012US20120165624 Signal processing apparatus
06/28/2012US20120163619 Wireless power transmission audio system and device on transmitting end and loudspeaker for use in such a system
06/28/2012US20120163612 Communication System
06/28/2012US20120163559 Method for Estimating Transmission Properties of a Telecommunications Transmission Line
06/28/2012US20120163436 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system
06/28/2012US20120163435 Power line communications method and apparatus
06/28/2012US20120161948 Tactile presentation apparatus, tactile cell, and method for controlling tactile presentation apparatus
06/28/2012US20120161895 Microwave pulse power switching system
06/28/2012US20120161894 Power distribution network for enhancing signal quality
06/28/2012CA2822189A1 Electrical power and/or electrical signal transmission
06/27/2012EP2469824A1 Crosstalk reduction by DPBO parameters determination
06/27/2012EP2467948A1 Adaptive integrated hybrid with complex adaptation for digital subscriber line systems
06/27/2012CN102523660A Streetlamp controller remote upgrading method
06/27/2012CN102523018A Terminal connecting wireless wide area network with power carrier wave network, charging device and method
06/27/2012CN102520696A Apparatus for realizing automatic channel switching control of large dam monitoring apparatus collective line box and method thereof
06/27/2012CN101567938B Information processing apparatus and signal transmission method
06/27/2012CN101478334B Polarization state switching device for rotary antenna
06/27/2012CN101133564B Method and device of DSL state and line profile control
06/26/2012US8208970 Directional communication systems
06/26/2012US8208654 Noise cancellation for wireless audio distribution system
06/26/2012US8208653 Method and apparatus for reproducing multi-channel sound using cable/wireless device
06/26/2012US8208623 Echo processing method and device
06/26/2012US8208622 Performance testing of echo cancellers using a white noise test signal
06/26/2012US8208577 Control system methods and apparatus for inductive communication across an isolation barrier
06/26/2012US8208522 System and methods for receiving OFDM symbols having timing and frequency offsets
06/26/2012US8208519 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier DSL environment
06/26/2012US8208462 Line driver for an adaptive hybrid circuit
06/26/2012US8207945 Image display that moves physical objects and causes tactile sensation
06/26/2012US8207634 Compact multi-cycle high power microwave generator
06/26/2012US8205466 Indoor and outdoor units of an air conditioning system connected via two wiring configurations
06/26/2012CA2569555C Data communication and power supply system for downhole applications
06/26/2012CA2555512C Cable diagnostics for 10gbase-t transceivers
06/21/2012WO2012083086A1 Encoder/decoder for balanced transmission of variables over few multi-variable channels
06/21/2012WO2012082744A1 Media access control layer for power line communications
06/21/2012WO2012081707A1 Communication system and intercom system for multiple-family dwelling
06/21/2012WO2012080531A1 Device for connecting the ends of shielded cables and apparatus for testing shielded cable samples comprising said device
06/21/2012WO2012080423A1 Method and system for identifying at least one electrically powered device by a power supply device via a powerline connection
06/21/2012WO2012080064A1 Crosstalk cancellation device and method with improved vectoring stabilisation
06/21/2012WO2012079338A1 Passive optical network terminal, system and method for testing subscriber lines
06/21/2012WO2012018289A3 Method in a communication system
06/21/2012WO2012012729A3 Reduced memory vectored dsl
06/21/2012US20120155671 Information processing apparatus, method, and program and information processing system
06/21/2012US20120155670 speaker having a wireless link to communicate with another speaker
06/21/2012US20120155665 Echo Canceller With Adaptive Non-Linearity
06/21/2012US20120155559 Data transmitting circuit and data communication apparatus
06/21/2012US20120155558 Integrating device of wireless charging and wireless network function
06/21/2012US20120155527 Common mode noise reduction within differential signal
06/21/2012US20120155513 Repeater Using Baseband Data
06/21/2012DE112004002700B4 Verfahren und Vorrichtung zum Reduzieren eines Nebensprechens in einem MIMO-Übertragungssystem Method and device for reducing crosstalk in a MIMO transmission system
06/21/2012DE102011122076A1 Circuit for compensating voltage changes to switched current-transferring assemblies in communication bus system, transfers power between intermediate node line and bypass element, so that current from bus current source remains constant
06/21/2012DE102011122075A1 Bus coupler for subscriber circuits in bus systems in building, has limiting units assigned to control unit, and digital to analog converter staying in connection with output of current-rise limiting unit and bus power supply at output side
06/21/2012DE102010055187A1 Method for transferring information value consumed from water in house, involves transmitting characteristic signals of consumption values by transmission unit
06/20/2012EP2466758A1 In-vehicle power line communication system
06/20/2012EP2466757A1 Crosstalk cancellation device and method with improved vectoring stabilisation
06/20/2012EP2465207A1 Electrical isolators
06/20/2012CN102510301A Bidirectional signal attenuation circuit of low-voltage power line carrier
06/20/2012CN102509534A Method and device for realization of combined LED display based on network
06/20/2012CN101511144B LED automatic control system
06/20/2012CN101459447B Dynamic spectrum management method for reducing cross talk interference of digital subscriber line
06/20/2012CN101174855B Spectrum management method and apparatus
06/20/2012CN101019333B System, method and DSL system for removing interference from telephone/DSL line
06/19/2012US8205105 Electronic device
06/19/2012US8204433 Wireless communication system facilitating communications through local networks
06/19/2012US8203980 Industrial ethernet communications adapter
06/19/2012US8203975 Adaptive analog echo/NEXT cancellation
06/19/2012US8203529 Tactile input/output device and system to represent and manipulate computer-generated surfaces
06/19/2012US8203444 Alerting device with supervision
06/17/2012CA2760135A1 System and method for power grid communication
06/15/2012CA2758776A1 Communications effects in network simulations
06/14/2012WO2012078785A2 Carrier sense multiple access (csma) protocols for power line communications (plc)
06/14/2012WO2012076987A2 Method and apparatus for alignment in neighboring networks
06/14/2012WO2012076598A1 Time-alignment of crosstalk acquisition phases between multiple joining lines
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