| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/28/2004 | EP1384127A2 In-line power tap device for ethernet data signal |
| 01/28/2004 | CN2601484Y Digital coding track circuit device |
| 01/28/2004 | CN1136670C Power line carrier communication apparatus |
| 01/28/2004 | CN1136640C Power and signal transmitting method and device by using lifting and moving to hoist steel cable |
| 01/28/2004 | CN1136573C Reproducing device and method for improving performance of data using regulating filter coefficient of equalizer |
| 01/27/2004 | US6683859 Method and apparatus for echo cancellation updates in a multicarrier transceiver system |
| 01/27/2004 | US6683531 Coupling device for providing a communications link for RF broadband data signals to a power line and method for installing same |
| 01/22/2004 | WO2004008731A1 Echo canceller with model mismatch compensation |
| 01/22/2004 | WO2004008656A1 System for carrying out the line transmission of data over an electric network |
| 01/22/2004 | WO2003098644A3 Data access arrangement using a high frequency transformer for electrical isolation |
| 01/22/2004 | WO2003073624A3 Dual modulation tuning in systems that exhibit self-disturbance effects |
| 01/22/2004 | WO2003061344A3 Multichannel echo canceller system using active audio matrix coefficients |
| 01/22/2004 | US20040015572 Gateway and remote server for automatically configuring a device, and method therefor |
| 01/22/2004 | US20040015529 Selective-partial-update proportionate normalized least-mean-square adaptive filtering for network echo cancellation |
| 01/22/2004 | US20040014445 Method for extracting a signal |
| 01/22/2004 | US20040013208 Method and apparatus for determining a receiver sampling phase for use in diagnosing a channel |
| 01/22/2004 | US20040013187 Waveform equalizer and shift resistor |
| 01/22/2004 | US20040013178 Channel diagnostic systems and methods |
| 01/22/2004 | US20040013176 Inter-demux communication through a point to point interface |
| 01/21/2004 | EP1382146A1 Data communication apparatus and method based on orthogonal frequency division multiple access |
| 01/21/2004 | EP0729670B1 A bidirectional amplifier |
| 01/21/2004 | CN2600980Y Video-frequency interference eliminator |
| 01/21/2004 | CN1469607A Equalizer, equalizing method and emitter |
| 01/21/2004 | CN1135812C Apparatus and method for compensating signal attenuation on telehpone line |
| 01/21/2004 | CN1135729C Multi-input wireless phone with echo suppression |
| 01/21/2004 | CN1135728C Equalizing method and equipment for electric distorted signals due to interference of optical domain |
| 01/20/2004 | US6680985 Adaptive quadrature amplitude modulation decoding system |
| 01/20/2004 | US6680979 Method and device for communication |
| 01/15/2004 | WO2004006492A1 Power control of digital subscriber line |
| 01/15/2004 | WO2004006463A1 Method and apparatus for controlling echo cancellation |
| 01/15/2004 | WO2003098833A3 Apparatus and method of echo-cancellation |
| 01/15/2004 | US20040010348 Apparatus and method for supplying power to IP system using LAN power of hub |
| 01/15/2004 | US20040009709 AC adaptor integral-type household-power-line coupler |
| 01/15/2004 | US20040008579 Underwater cable arrangements and devices |
| 01/15/2004 | US20040008286 Matched pulse shaping filter |
| 01/15/2004 | US20040008050 Dynamic register with IDDQ testing capability |
| 01/15/2004 | DE19907095C5 Schaltung zur kapazitiven Ankopplung einer Datenübertagungseinrichtung an ein Energieübertragungsnetz, und Koppeleinheit mit Ankoppelschaltung Circuit for capacitive coupling of a data transmission device to a power transmission network, and coupling unit with coupling circuit |
| 01/15/2004 | DE10226348A1 Verfahren und Schaltungsanordnung zur Erkennung von Pupinspulen Method and circuit for detection of Pupin coils |
| 01/14/2004 | EP1381195A1 A matched pulse shaping filter |
| 01/14/2004 | EP1381194A2 Multi-function equalizer arrangement |
| 01/14/2004 | EP1380144A1 Method and system for minimum mean square error equalization (mmse) iteratively circulating short training sequences until mse falls below a target threshold |
| 01/14/2004 | CN1468472A Method and apparatus for signal integrity verification |
| 01/14/2004 | CN1467963A 网络终端 Network Terminal |
| 01/14/2004 | CN1467504A Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link |
| 01/14/2004 | CN1134950C Method for eliminating interference in bipolar data stream and circuitry for implementing said method |
| 01/13/2004 | US6678893 Bidirectional trunk amplifier and cable modem for cable hybrid fiber and coax network which utilizes an upstream pilot signal |
| 01/13/2004 | US6678709 Digital filter with efficient quantization circuitry |
| 01/13/2004 | US6678381 Ultra-directional speaker |
| 01/13/2004 | US6678376 Echo canceling apparatus |
| 01/13/2004 | US6678317 Adaptive equalizer device and method for controlling adaptive equalizer |
| 01/13/2004 | US6678254 Method and communication device for optimizing echo cancellation |
| 01/13/2004 | US6677829 Balanced transmission termination device and receiver unit composed thereof |
| 01/08/2004 | WO2004004298A1 Echo processing devices for single-channel or multichannel communication systems |
| 01/08/2004 | WO2004004192A2 Method and apparatus for channel equalization |
| 01/08/2004 | WO2004004153A1 Device for detecting and locating transmission faults in hybrid fiber coax (hfc) networks and method for using same |
| 01/08/2004 | WO2003092201A3 Interference-free lms-based adaptive asynchronous receiver |
| 01/08/2004 | US20040006484 Method and system for media content data distribution and consumption |
| 01/08/2004 | US20040004538 Passive optical network backhaul for powerline communications |
| 01/08/2004 | US20040004536 Door station apparatus with electric lock |
| 01/08/2004 | US20040003934 Power line coupling device and method of using the same |
| 01/08/2004 | DE10226350A1 Verfahren und Vorrichtung zum Ermitteln der elektrischen Eigenschaften einer Datenleitung Method and apparatus for determining the electrical characteristics of a data line |
| 01/07/2004 | EP1379067A1 Door station apparatus with electric lock |
| 01/07/2004 | EP1379012A1 Integrated and automated water, gas and electricity meter reading via power line carrier |
| 01/07/2004 | EP1379011A1 Echo canceller |
| 01/07/2004 | EP1378107A1 Loop extender with communications, control, and diagnostics |
| 01/07/2004 | EP1377843A2 Method and apparatus for transmission line analysis |
| 01/07/2004 | CN2598264Y Communication coiling device |
| 01/07/2004 | CN1466359A Method for realizing echo counteraction |
| 01/07/2004 | CN1466358A Method for realizing echo counteraction |
| 01/07/2004 | CN1134127C Method for equalization of complementary carriers in am compatible digital audio broadcast system |
| 01/07/2004 | CN1134120C Remote-control communication method utilizing AC lines |
| 01/06/2004 | US6675184 Adaptive type signal estimator |
| 01/06/2004 | US6674856 Placement of a transmit predistortion filter with respect to a data access arrangement |
| 01/06/2004 | US6674845 Method and apparatus for connecting broadband voice and data signals to telephone systems |
| 01/06/2004 | US6674815 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel |
| 01/06/2004 | US6674811 Efficient pre-distorted 12/4 QAM modulator |
| 01/06/2004 | US6674810 Method and apparatus for reducing peak-to-average power ratio in a discrete multi-tone signal |
| 01/06/2004 | US6674809 Noise reducing apparatus for minimizing noise in modems |
| 01/06/2004 | US6674806 Transmitting and receiving system for digital communication on electric power-lines |
| 01/06/2004 | US6674768 Data transmission device and data transmission method capable of minimizing delay of fast data |
| 01/06/2004 | CA2279095C Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits |
| 01/03/2004 | WO2004114542A1 Communication system |
| 01/02/2004 | EP1374495A1 Broadcasting system for power line network |
| 01/02/2004 | EP1374437A1 High-speed data transmission system to a digital terminal |
| 01/02/2004 | EP1374436A1 Coupling circuit for power line communications |
| 01/01/2004 | US20040003045 Personal videoconferencing system having distributed processing architecture |
| 01/01/2004 | US20040001551 Data transmission circuit and method for reducing leakage current |
| 01/01/2004 | US20040001540 Method and apparatus for channel equalization |
| 01/01/2004 | US20040001499 Communication buffer scheme optimized for voip, QoS and data networking over a power line |
| 01/01/2004 | US20040001450 Monitoring and control of an adaptive filter in a communication system |
| 01/01/2004 | US20040001438 Method for avoiding communication collisions between co-existing plc systems on using a physical transmission medium common to all plc systems and arrangement for carrying out said method |
| 01/01/2004 | US20040001007 Network terminal haivng a configuration for assigning a network address to another |
| 12/31/2003 | WO2004002127A1 Non stationary echo canceller |
| 12/31/2003 | WO2004002002A1 Communication system and method therefor |
| 12/31/2003 | WO2004002001A2 Ultra-wideband communication through a wire medium |
| 12/31/2003 | WO2003044967B1 Power line communication system with autonomous network segments |
| 12/31/2003 | CN2596678Y Line operation state monitor |
| 12/31/2003 | CN1465176A Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal |
| 12/31/2003 | CN1465143A Routing device and method for a powerline network |
| 12/31/2003 | CN1464641A Power line transmission sound box system |