Patents for H04B 3 - Line transmission systems (31,523) |
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08/19/2004 | WO2004019505A3 Method and system for modifying modulation of power line communications signals for maximizing data throughput rate |
08/19/2004 | WO2003056741A3 Apparatus and method for a low-rate data transmission mode over a power line |
08/19/2004 | US20040162884 Home network system and method of providing operation history for same |
08/19/2004 | US20040162691 Digital group delay compensator |
08/19/2004 | US20040162684 Quality assessment tool |
08/19/2004 | US20040161102 Echo canceller employing dual-H architecture having split adaptive gain settings |
08/19/2004 | US20040161041 Method and system for modifying modulation of power line communications signals for maximizing data throughput rate |
08/19/2004 | US20040160990 Method and system for timing controlled signal transmission in a point to multipoint power line communications system |
08/19/2004 | US20040160949 Apparatus and method for transmitting voice data on ADSL subscriber Board |
08/19/2004 | US20040160312 Power transfer apparatus for concurrently transmitting data and power over data wires |
08/19/2004 | US20040160227 Apparatus and method for determining the status of an electric power cable |
08/19/2004 | US20040160127 Internal power re-routing by reverse powering to overcome fault scenarios in submarine cable systems |
08/18/2004 | EP1447942A2 Apparatus for coupling two switching modules in a data ring cell |
08/18/2004 | EP1447941A2 Home network system and method of providing operation history for same |
08/18/2004 | EP1446894A1 Echo canceller ensuring further reduction in residual echo |
08/18/2004 | EP1197011B1 Power line communication system |
08/18/2004 | EP1175784A4 A surveillance system |
08/18/2004 | EP1147621B9 Communication station with automatic cable loss compensation |
08/18/2004 | EP0953233B1 Disabling tone detector for network echo canceller |
08/18/2004 | EP0797873B1 Method and apparatus for increasing receiver immunity to interference |
08/18/2004 | CN2634731Y Digital signal transmission device |
08/17/2004 | US6778671 Method of reference to echo time alignment for facilitation of echo cancellation |
08/17/2004 | US6778602 Multi-pair gigabit ethernet transceiver |
08/17/2004 | US6778590 Carrier changer and changing method |
08/17/2004 | CA2357565C Metallic testing of a subscriber loop that provides both voice and digital subscriber line services |
08/17/2004 | CA2345003C Method and system for distribution of wireless signals for increased wireless coverage using the power lines |
08/12/2004 | WO2004068736A1 Method and arrangement for transmitting data within an open communication network |
08/12/2004 | WO2004068638A2 Power line coupling device and method of using the same |
08/12/2004 | WO2004055994A3 A power line communication system and method of using the same |
08/12/2004 | WO2004054117A8 A Power Line Communication System and Method of Operating the Same |
08/12/2004 | US20040158421 Crosstalk checking method |
08/12/2004 | US20040158333 Network control system for home appliances |
08/12/2004 | US20040157566 Phase conjugated vectoring of signals in telephone cables |
08/12/2004 | US20040156602 Branching unit adapted to be integrated into a submarine telecommunication system, a submarine telecommunication system, and a method of reconfiguring a submarine telecommunication system |
08/12/2004 | US20040156513 System and method for providing audio signals over conventional power lines |
08/12/2004 | US20040156461 Multi-pair gigabit ethernet transceiver |
08/12/2004 | US20040156446 Optimization of ultra-wideband communication through a wire medium |
08/12/2004 | US20040156432 Processing a received signal at a detection circuit |
08/12/2004 | US20040156431 Demodulator for a multi-pair gigabit transceiver |
08/12/2004 | US20040155722 Powerline networking device |
08/12/2004 | US20040155721 Method and apparatus for reducing electromagnetic radiation |
08/12/2004 | US20040155720 Receiver |
08/11/2004 | EP1444819A1 Method and system for classifying network connections |
08/11/2004 | EP1444804A1 Method and system for spectrally compatible remote terminal adsl deployment |
08/11/2004 | EP1177682B1 A status monitoring and data processing system suitable for use in a bi-directional communication device |
08/11/2004 | EP1093609A4 Method and apparatus for digital subscriber loop qualification |
08/11/2004 | CN2632967Y Medical emergency calling system by hospital bed |
08/11/2004 | CN1520646A Method and devices for controlling loads connected to powr line |
08/11/2004 | CN1520645A Clock synchronization over powerline modem network for multiple devices |
08/11/2004 | CN1520070A State monitoring and data processing system available for two-way communicating appts. |
08/11/2004 | CN1520055A Method and switch for switching in wideband through power line |
08/10/2004 | US6775653 Method and apparatus for performing double-talk detection with an adaptive decision threshold |
08/10/2004 | US6775596 Information processing system, information processing apparatus and method, recording medium, and program |
08/10/2004 | US6775529 Active resistive summer for a transformer hybrid |
08/10/2004 | US6774812 Two-wire type remote control system and display device |
08/10/2004 | CA2372863C Signal detector with echo cancellation |
08/10/2004 | CA2157279C A connector element for telecommunication |
08/05/2004 | WO2004066539A2 Light fixture wireless access points |
08/05/2004 | WO2004066518A2 Power line communication system and method |
08/05/2004 | WO2004065559A2 Power conditioners and pseudo isolation for a two-wire processing network |
08/05/2004 | WO2003087986A9 Crosstalk masking for digital subscriber loops |
08/05/2004 | US20040153898 Method and system for providing error compensation to a signal using feedback control |
08/05/2004 | US20040151427 Fiberoptic coupling |
08/05/2004 | US20040151330 Audio interface device for public address systems |
08/05/2004 | US20040151268 Method and system for processing a sampled signal |
08/05/2004 | US20040151240 Method and system for signal processing using vector output from scalar data |
08/05/2004 | US20040151239 Equalizing a signal for transmission |
08/05/2004 | US20040150488 Double waveform method for driving signals through a transmission line |
08/05/2004 | US20040150421 Terminating resistor device and a method for testing a terminating resistor circuit |
08/05/2004 | DE10039702B4 Verfahren und Vorrichtung zur Optimierung der Einstellung der Verstärker in einem Kabelfernsehnetz Method and apparatus for optimizing the adjustment of the amplifier in a cable television network |
08/04/2004 | EP1443709A2 Network control system for home appliances |
08/04/2004 | EP1443708A2 Network control system for home appliance |
08/04/2004 | EP1443676A2 Method and apparatus for reducing cross-talk |
08/04/2004 | EP1443675A2 Method and apparatus for reducing noise in an unbalanced channel using common mode component |
08/04/2004 | EP1443674A1 Echo cancellation with double-talk detection |
08/04/2004 | EP1443497A1 Audio signal quality assessment method |
08/04/2004 | EP1442569A1 Zf-based adaptive asynchronous receiver |
08/04/2004 | EP1442308A2 Impedance stabilization network for determining the electromagnetic interfering radiation of a modem |
08/04/2004 | EP1097561A4 Acoustic echo canceller |
08/04/2004 | EP0960521A4 Apparatus and method for adapting an echo canceller in a communication system |
08/04/2004 | CN2631124Y Wide-dynamic-range predistortion circuit |
08/04/2004 | CN1518803A Method for multiple access and transmission in point-to-multipoint system on electrical network |
08/04/2004 | CN1518800A Upstream communication system with controllable band pass filter properties |
08/04/2004 | CN1160895C Method and apparatus for testing digital communication channel |
08/04/2004 | CN1160873C Method and arrangement in analog line interface circuit |
08/03/2004 | US6771775 Arrangement for communicating messages via a low-voltage electricity supply system and adapter |
08/03/2004 | US6771772 Method and apparatus for fast network bulk delay and span estimation for line echo cancellation |
08/03/2004 | US6771770 Hybrid circuit for a broadband modem |
08/03/2004 | US6771725 Multi-pair gigabit ethernet transceiver |
08/03/2004 | US6771708 Nonlinear compensator |
08/03/2004 | US6771701 Adaptive filter divergence control in echo cancelers by means of amplitude distribution evaluation with configurable hysteresis |
08/03/2004 | US6771699 Method for rapid carrier-frequency offset acquisition using a periodic training sequence |
08/03/2004 | US6771591 Method and system for processing orthogonal frequency division multiplexed signals |
08/03/2004 | US6771142 Network coupler |
08/03/2004 | CA2252147C Method and system for sparing echo cancellers |
07/29/2004 | WO2004064256A1 Device for data exchange between a transmitter and a receiver |
07/29/2004 | WO2004023702A3 System and method for optical data communication |
07/29/2004 | WO2004010083A3 Sensors isolated by an intrinsically safe barrier |
07/29/2004 | WO2002082712A3 Time synchronization for data over a powerline modem network |
07/29/2004 | US20040146169 Digital music player |