Patents for H04B 3 - Line transmission systems (31,523) |
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05/14/2003 | EP1145024B1 Dynamic register with iddq testing capability |
05/14/2003 | EP0965176A4 Full duplex communication circuit with a transducer for simultaneously generating audio output and receiving audio input |
05/14/2003 | CN2550966Y Power line transmission loud speaker box device |
05/14/2003 | CN2550854Y Far end control signal processor for electric equipment |
05/14/2003 | CN1417958A Control device and method for automatic household system |
05/13/2003 | US6563931 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same |
05/13/2003 | US6563925 Method and apparatus for space-time echo cancellation |
05/13/2003 | US6563892 Method and system for detection of binary information in the presence of slowly varying disturbances |
05/13/2003 | US6563870 Nonlinear echo compensator |
05/13/2003 | US6563868 Method and apparatus for adaptive equalization in the presence of large multipath echoes |
05/13/2003 | US6563864 Residential power cutback for splitterless DSL operation |
05/13/2003 | US6563863 Computer modem |
05/13/2003 | US6563841 Per-bin adaptive equalization in windowed DMT-type modem receiver |
05/13/2003 | US6563802 Echo cancellation with dynamic latency adjustment |
05/13/2003 | US6563801 Cable interface for data and power supply |
05/13/2003 | US6563613 Optical subscriber network, and delay measurement method |
05/13/2003 | US6563420 Power line communications apparatus and method |
05/13/2003 | US6563333 Dynamic register with IDDQ testing capability |
05/13/2003 | US6563236 Feed line switching circuit and branching unit |
05/08/2003 | WO2003039115A2 Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels |
05/08/2003 | WO2003039089A1 Zf-based adaptive asynchronous receiver |
05/08/2003 | WO2003039022A1 Powerline communication system |
05/08/2003 | WO2002063813A3 CROSSTALK IDENTIFICATION IN xDSL SYSTEMS |
05/08/2003 | US20030088706 System and method for simultaneously transporting different types of information over a power line |
05/08/2003 | US20030086515 Channel adaptive equalization precoding system and method |
05/08/2003 | US20030086382 Coefficient domain history storage of voice processing systems |
05/08/2003 | US20030086362 Joint reduction of NEXT and FEXT in xDSL systems |
05/08/2003 | US20030085795 Apparatus and method of controlling activation of home automation system |
05/08/2003 | US20030085771 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
05/08/2003 | CA2465540A1 Powerline communication system |
05/07/2003 | EP1309114A2 Equalization of optical signals |
05/07/2003 | EP1309099A1 Telecommunication system with improved downlink quality feedback |
05/07/2003 | EP1309098A1 Coupling device with integrated plug contact |
05/07/2003 | EP1309097A1 Transmission line loss testing method, slave station using the method, master station, and communication system |
05/07/2003 | EP1307973A2 Systems and methods for characterizing transmission lines in a multi-carrier dsl environment |
05/07/2003 | CN1416639A Improved system and method for implementation of echo canceller |
05/07/2003 | CN1416621A PCM modem adaptation system utilizing silence period |
05/07/2003 | CN1416620A Method and appts. for control of modem transmit power |
05/07/2003 | CN1108082C Adaptively precompensating audio system |
05/07/2003 | CN1108018C Rapid-update adaptive channel-equilization filtering for digital radio receivers |
05/07/2003 | CN1108013C Modulation recording method, reproducing method and appts. thereof, recording and reproducing method and appts. |
05/06/2003 | US6560332 Methods and apparatus for improving echo suppression in bi-directional communications systems |
05/06/2003 | US6559757 Data communication over power lines |
05/06/2003 | CA2194887C Vehicle power supply for a bus coupler without a transformer |
05/02/2003 | EP1306981A1 Echo canceling method and device for multiplex line |
05/02/2003 | EP1305733A1 Data link for multi protocol facility distributed communication hub |
05/02/2003 | EP1151553B1 Approximated mmse-based channel estimator in a mobile communication system |
05/02/2003 | EP0758507B1 System and method for start up of a two wire modem |
05/02/2003 | EP0607304B1 Multiple access telephone extension systems and methods |
05/01/2003 | WO2003036932A1 Coupling between power line and customer in power line communication system |
05/01/2003 | WO2003036877A2 Method for controlling a plurality of units networked to give a network, and network comprising a plurality of networked units |
05/01/2003 | US20030084385 Method and apparatus for evaluating and optimizing a signaling system |
05/01/2003 | US20030084079 Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares |
05/01/2003 | US20030083017 Telecommunication system with improved downlink quality feedback |
05/01/2003 | US20030081763 Efficient echo channel, estimation mechanism for an ADSL echo canceller |
05/01/2003 | US20030081704 Error recovery apparatus of digital broadcasting receiver to compensate a phase-error generated by a broadcasting signal transmitted through a multi-path channel |
05/01/2003 | US20030081663 Interface circuit of differential signaling system |
05/01/2003 | US20030081291 Equalization of optical signals |
05/01/2003 | CA2409917A1 Error recovery apparatus of digital broadcasting receiver to compensate a phase-error generated by a broadcasting signal transmitted through a multi-path channel |
04/30/2003 | DE10150226C1 Anordnung zum Anschluss einer Powerline-Datenübertragungseinrichtung oder eines Zwischenverstärkers an ein Spannungsführendes Niederspannungs-Stromnetz Arrangement for connecting a power line data transmission device or a repeater to a voltage-leading low-voltage power grid |
04/30/2003 | CN2548367Y Digital language learning system |
04/29/2003 | US6556677 Single-ended echo cancellation system and method |
04/29/2003 | US6556589 Network transceiver for steering network data to selected paths based on determined link speeds |
04/29/2003 | CA2197383C Method and apparatus for providing print job buffering for a printer on a fast data path |
04/24/2003 | WO2003034698A2 Method for regulating a modelling filter |
04/24/2003 | WO2003034673A2 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer |
04/24/2003 | WO2003034608A2 Arrangement for connecting a powerline data transmission device or a repeater in a live low-voltage mains network |
04/24/2003 | WO2003009083A3 Dual purpose power line modem |
04/24/2003 | WO2002065737A3 System and method for fault isolation for dsl loop extenders |
04/24/2003 | WO2002048837A3 System and method for device co-location discrimination |
04/24/2003 | WO2002039613A3 Method for determining setting parameters of a receiving unit |
04/24/2003 | WO2002003146A3 Interface device with stored data on transmission lines characteristics |
04/24/2003 | US20030078990 Remote control method for controlling electrical appliance via home gateway |
04/24/2003 | US20030078025 Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency |
04/24/2003 | US20030076950 Method and system for filtering a signal and for providing echo cancellation |
04/24/2003 | US20030076949 Echo canceller employing dual-H architecture having improved non-linear echo path detection |
04/24/2003 | US20030076948 Echo canceler compensating for amplifier saturation and echo amplification |
04/24/2003 | US20030076947 Echo processor generating pseudo background noise with high naturalness |
04/24/2003 | US20030076930 ADSL loop qualification systems and methods |
04/24/2003 | US20030076844 Method and system for filtering a signal and providing echo cancellation using an adaptive length filter |
04/23/2003 | EP1304843A2 Peak suppression method and data transmission apparatus |
04/23/2003 | EP1304837A1 Logical coupler in a telecommunication network |
04/23/2003 | EP1304005A1 Method for the assembly of a mobile radio network base station and connection of the base station to the network |
04/23/2003 | EP1303920A2 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver |
04/23/2003 | EP0852890B1 Providing services in a telecommunications network |
04/23/2003 | CN2547070Y Communication processing apparatus |
04/23/2003 | CN1413408A 非接触信号分析器 Non-contact signal analyzer |
04/23/2003 | CN1413405A Baseband processor with look-ahead parameter estimation capabilities |
04/23/2003 | CN1413404A DMT bit distribution with incomplete TEQ |
04/23/2003 | CN1413323A Method of linking authorized users to plurality of devices |
04/23/2003 | CN1412958A Self-adaptive echo bucking device capable of automatically compensating delay and making double-end detection |
04/23/2003 | CN1106748C Apparatus and method for providing telephone user with control of threshold volume at which user's voice will take control |
04/23/2003 | CN1106747C Echo-eliminating device |
04/23/2003 | CN1106716C Data decording apparatus |
04/22/2003 | US6553098 Apparatus and method for assessing leakage from cable networks |
04/22/2003 | US6553085 Means and method for increasing performance of interference-suppression based receivers |
04/22/2003 | US6553082 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation |
04/22/2003 | US6553076 Mixed mode transceiver digital control network and collision-free communication method |
04/22/2003 | US6553075 Method and apparatus for determining crosstalk |
04/17/2003 | WO2003032652A2 Method and apparatus for evaluating and optimizing a signaling system |