Patents for H04B 3 - Line transmission systems (31,523) |
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05/22/2007 | CA2341747C Combined channel coding and space-time block coding in a multi-antenna arrangement |
05/18/2007 | WO2007056084A1 Communications connector with leadframe contact wires that compensate differential to common mode crosstalk |
05/18/2007 | WO2007055699A2 Power line coupling device and method of using the same |
05/18/2007 | WO2007055399A1 Method and apparatus for power line communication |
05/18/2007 | WO2007054107A1 Echo path change detection in a network echo canceller |
05/18/2007 | WO2007031538A3 Power supply and communication system for a passenger plane |
05/18/2007 | WO2007022087A3 Testing procedure for evaluating diffusion and leakage currents in insulators |
05/18/2007 | WO2007001464A3 Systems and methods for tuning filters |
05/17/2007 | US20070110254 Dereverberation and feedback compensation system |
05/17/2007 | US20070110147 Equalizing a Signal for Transmission |
05/17/2007 | US20070110095 Method and system for decoding |
05/17/2007 | US20070109104 Active material based haptic alert system |
05/17/2007 | US20070108755 Apparatus for generating haptic signals |
05/16/2007 | EP1786115A1 Data communication system, data transmitting apparatus, data receiving apparatus, data communication method and data communication program |
05/16/2007 | EP1785837A2 Storage device system and signal transmission method for storage device system |
05/16/2007 | EP1784927A1 Method and apparatus for power line communication |
05/16/2007 | EP1784923A2 Interference cancellation system |
05/16/2007 | CN1965498A Fext确定系统 Fext determine system |
05/16/2007 | CN1965497A Automatic adaptive equalization method and system for high-speed serial transmission link |
05/16/2007 | CN1965493A Ultra-wideband communication through a wire medium |
05/16/2007 | CN1965307A Method and system for virtual powerline local area networks |
05/15/2007 | US7219174 Inter-demux communication through a point to point interface |
05/15/2007 | US7218892 Passive repeater/terminator |
05/15/2007 | US7218730 System and method for analysis and filtering of signals in a telecommunications network |
05/15/2007 | US7218672 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer |
05/15/2007 | US7218670 Method of measuring the performance of a transceiver in a programmable logic device |
05/15/2007 | US7218219 Data communication over a power line |
05/15/2007 | CA2567955A1 Apparatus and methods for multi-channel metering |
05/15/2007 | CA2527068A1 Apparatus and methods for multi-channel metering |
05/10/2007 | WO2007053687A2 Audio-visual point-of-sale presentation system and method directed toward vehicle occupant |
05/10/2007 | WO2007053086A1 Reduction of digital filter delay |
05/10/2007 | WO2007052836A2 Visible light communication apparatus and method |
05/10/2007 | WO2007052830A1 Receiving apparatus, receiving method, method for designing matched filter, and method for setting coefficient of transversal filter |
05/10/2007 | US20070106829 Plural interfaces in home network with first component having a first host bus width and second component having second bus width |
05/10/2007 | US20070106457 Portable computing with geospatial haptic compass |
05/10/2007 | US20070106404 Multi-channel speaker system and a connection system thereof |
05/10/2007 | US20070104334 Acoustic landscape |
05/10/2007 | US20070104262 Systems and methods that provide frequency domain supplemental training of the time domain equalizer for dmt |
05/10/2007 | US20070104239 Visible light communication apparatus and visible light communication method |
05/10/2007 | US20070103839 Shielded Energy Conditioner |
05/10/2007 | CA2624629A1 Reduction of digital filter delay |
05/09/2007 | EP1783996A1 Advanced ADSL splitter |
05/09/2007 | EP1783923A1 Double-talk detector for acoustic echo cancellation |
05/09/2007 | EP1783900A1 Noise suppressing circuit |
05/09/2007 | EP1782533A1 Adaptive filtering using fast affine projection adaptation |
05/09/2007 | EP1647099B1 Transceiver and communication method for digital multi-carrier communication |
05/09/2007 | EP1617538A4 Device for suppressing radiation occurring during information transmission through power supply lines |
05/09/2007 | CN1961530A Adaptive margin and band control in DSL system |
05/09/2007 | CN1960298A Network diagnostic method |
05/09/2007 | CN1960196A Advanced adsl splitter |
05/08/2007 | US7216268 Method and arrangement to estimate transmission channel characteristics |
05/08/2007 | US7215986 Signal processing apparatus |
05/08/2007 | US7215984 Signal processing apparatus |
05/08/2007 | US7215765 Method and apparatus for pure delay estimation in a communication system |
05/08/2007 | US7215764 Current sensing echo cancellation device |
05/08/2007 | US7215762 Method of selecting impedance setting for loop start trunk line |
05/08/2007 | US7215702 Signal level detection apparatus and detection method, and signal level indication apparatus |
05/08/2007 | US7215007 Circuit and method for suppression of electromagnetic coupling and switching noise in multilayer printed circuit boards |
05/04/2007 | CA2525388A1 Complementary-pair equalizer |
05/03/2007 | WO2007050001A1 Method, device and program product for estimating propeties of a telecommunication transmission line |
05/03/2007 | WO2007049841A1 Apparatus for equalizing decision feedback based on channel properties change and method therefor |
05/03/2007 | WO2007049644A1 Echo suppressing method and device |
05/03/2007 | WO2007049643A1 Echo suppressing method and device |
05/03/2007 | WO2007049550A1 Terminating device |
05/03/2007 | US20070099564 Current mode interface for off-chip high speed communication |
05/03/2007 | US20070099563 Network configuring device and network configuring method |
05/03/2007 | US20070098184 Audio input/output device and method for switching input/output functions |
05/03/2007 | US20070098112 Clock-edge modulated serial link with DC-balance control |
05/03/2007 | US20070097890 System and method for echo cancellation |
05/03/2007 | US20070096843 Variable attenuator, high frequency integrated circuit and communication device |
05/03/2007 | DE10123128B4 Verfahren zur Synchronisation von blockweise zu übertragenden Daten Method for synchronizing block-wise data to be transmitted |
05/03/2007 | CA2622459A1 Method, device and program product for estimating properties of a telecommunication tranmission line |
05/02/2007 | EP1781003A1 Method and device for monitoring an echo affected communication link |
05/02/2007 | EP1780928A1 Method and apparatus for testing a digital communication channel at variable or fixed data rates |
05/02/2007 | EP1780903A1 Electronic device, transmission system and method for determining connection condition |
05/02/2007 | EP1779542A1 Centralized powering system and method |
05/02/2007 | EP1779541A1 System and method for authenticating/registering network device in power line communication (plc) |
05/02/2007 | EP1779533A1 Module for exchanging information by carrier currents and method for managing the operation of said module |
05/02/2007 | EP1673909A4 Communication protocol over power line communication network |
05/02/2007 | EP1556964B1 Communication methods and apparatus |
05/02/2007 | EP1295448B1 Channel equalizer |
05/02/2007 | EP1042903A4 Echo canceller employing dual-h architecture having improved non-linear echo path detection |
05/02/2007 | CN1957551A Synchronization in a broadcast OFDM system using time division multiplexed pilots |
05/02/2007 | CN1314218C Zipper DMT(discrete multi-tone) system and method for determining timing advance in the same system |
05/01/2007 | US7212921 System and method for multiplexing and transmitting DC power, IMU data and RF data on a single cable |
05/01/2007 | US7212628 Echo cancellation/suppression and double-talk detection in communication paths |
05/01/2007 | US7212552 Communication system and communication method |
05/01/2007 | US7212502 Method and apparatus for dynamically adapting telephony analog loss based on channel content |
04/26/2007 | WO2007046438A1 Power outlet device |
04/26/2007 | WO2007045969A1 Method for controlling a cable-controlled home automation appliance provided with an electric motor |
04/26/2007 | WO2007045946A1 Method, devices and system for transmitting information on power supply electric line |
04/26/2007 | US20070092074 Echo canceller |
04/26/2007 | US20070091873 Voice and Data Exchange over a Packet Based Network with DTMF |
04/26/2007 | US20070091787 Apparatus and method for channel selective scheduling in mobile communication systems using OFDMA |
04/26/2007 | DE19527972B4 Messschaltung unter Verwendung eines Messfühlers zum Erfassen und Orten von Wassereinbrüchen Measuring circuit using a probe for detecting and locating water leaks |
04/26/2007 | DE102005006890B4 Verfahren zur Bestimmung einer optimalen Datenübertragungsrate über ein Übertragungsmedium A method for determining an optimal data transmission rate through a transmission medium |
04/25/2007 | EP1777987A2 Adaptive coupling equalization in beamforming-based communication systems |
04/25/2007 | EP1777835A1 Method and apparatus for generating identification values through power lines |
04/25/2007 | EP1777832A1 Power line coupler modem device for communication over electrical lines |
04/25/2007 | EP1777813A1 Adaptive gain and/or phase adjustment control method |