| Patents for H04B 3 - Line transmission systems (31,523) |
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| 02/06/2008 | CN101119135A Step parameter regulation means and equipment for eliminating echo |
| 02/06/2008 | CN101119134A Method for controlling wire communication quality |
| 02/06/2008 | CN101119128A 通信系统 Communications systems |
| 02/06/2008 | CN101118272A Bus parameter correcting method and system |
| 02/06/2008 | CN100367736C Method and apparatus for connecting a workstation to a wide area network |
| 02/05/2008 | US7328053 Signal processing apparatus |
| 02/05/2008 | US7327995 Active resistance summer for a transformer hybrid |
| 02/05/2008 | US7327980 Radio signal repeater |
| 02/05/2008 | US7327222 Transmission system for transmitting data via current conducting branches |
| 02/05/2008 | US7327204 Analog delay chain having more uniformly distributed capacitive loads and analog delay cell for use in chain |
| 01/31/2008 | WO2008014218A2 Traffic sign beacon system |
| 01/31/2008 | WO2008014077A2 Neutralization of acoustic echo cancellation in presence of signal clipping |
| 01/31/2008 | WO2008011894A1 A device and a method for providing electrical energy to an actuator, and an actuator system |
| 01/31/2008 | WO2008011891A1 Power line communication device for subsea well |
| 01/31/2008 | WO2008011889A1 Method and modem for subsea power line communication |
| 01/31/2008 | WO2008011809A1 Transfer interface, cocable medium, power communication integral lan and its network netting method |
| 01/31/2008 | US20080026700 Silent push-to-talk switch |
| 01/31/2008 | US20080026691 Increasing wireless network capabilities via broadcast control-signaling channel usage |
| 01/31/2008 | US20080025450 Multiplexed rf isolator circuit |
| 01/31/2008 | US20080025383 Test Circuit, System, and Method for Testing One or More Circuit Components Arranged upon a Common Printed Circuit Board |
| 01/31/2008 | US20080025287 Method And Apparatus For Synchronization Over 802.3Af |
| 01/31/2008 | DE102006034835A1 Signal processing method, involves separating signal part of signal lying close on line dependent on transmission direction on line, for producing signal and other signal and fourth signal are combined for generating processed signal |
| 01/30/2008 | CN201015197Y Electric power carrier communication coupling device |
| 01/30/2008 | CN101116371A Headset with flashing light emitting diodes |
| 01/30/2008 | CN101114875A Mobile communications network link performance measuring system and method |
| 01/30/2008 | CN101114844A Resonance mornitoring system and method |
| 01/30/2008 | CN100366039C Operation system, monitoring system and monitoring system having such systems |
| 01/30/2008 | CN100365732C Method for judging address data |
| 01/29/2008 | US7324857 Method to synchronize playback of multicast audio streams on a local network |
| 01/29/2008 | US7324824 Wireless network monitoring system |
| 01/29/2008 | US7324589 Method and system for providing error compensation to a signal using feedback control |
| 01/29/2008 | US7324588 Apparatus, and associated method, for testing a mobile terminal in test conditions that emulate an operating environment |
| 01/29/2008 | US7324587 Communication apparatus |
| 01/29/2008 | US7324490 Communication system, address management method, relay device, and management device |
| 01/29/2008 | US7324467 Bridge circuit to suppress echoes in communication devices |
| 01/29/2008 | US7324466 Echo canceling system and echo canceling method |
| 01/29/2008 | US7324167 High-quality twisted-pair transmission line system for high-resolution video |
| 01/29/2008 | CA2387721C Subscriber line qualification with numeral networks with respect to data transmission characteristics |
| 01/24/2008 | WO2008010282A1 Distribution line communication apparatus |
| 01/24/2008 | WO2008009853A1 Method for estimating a channel in a coordinated system when a line is taken into operation |
| 01/24/2008 | WO2008009226A1 Transmission method together with multi pairs of lines, sender and receiver thereof |
| 01/24/2008 | WO2008009208A1 ETHERNET RECEIVING AND TRANSMITTING DEVICE BASED ON THE TV coaxial line |
| 01/24/2008 | US20080019535 Reverberation Adjusting Apparatus, Reverberation Correcting Method, And Sound Reproducing System |
| 01/24/2008 | US20080019429 Parallel interference cancellation method and apparatus for multiuser detection of cdma signals |
| 01/24/2008 | US20080019423 Hierarchical networks utilizing frame transmissions pipelining |
| 01/24/2008 | US20080018494 Traffic Sign Beacon System |
| 01/24/2008 | US20080017245 Actuator And Method For Operating An Actuator |
| 01/23/2008 | EP1880503A1 Phantom use in dsl systems |
| 01/23/2008 | EP1880481A2 Data transmission |
| 01/23/2008 | EP1632048A4 Method and apparatus for equalization and crosstalk mitigation |
| 01/23/2008 | EP1550235B1 Method for monitoring transmission sequence numbers assigned to protocol data units to detect and correct transmission errors |
| 01/23/2008 | EP1275206B1 Method and arrangement for minimizing power dissipation in a line driver |
| 01/23/2008 | EP0950299B1 Mobile telecomputer network |
| 01/23/2008 | CN201011584Y Electric power spread-spectrum carrier wave monitoring device of oil pumping machine |
| 01/23/2008 | CN101112007A Systeme und verfahren zur abstimmung von filtern |
| 01/23/2008 | CN101112006A Method and apparatus for providing out of band communications over structured cabling |
| 01/23/2008 | CN101110611A Method and apparatus for echo wave filtering in EOC system |
| 01/23/2008 | CN101110610A Divider/combiner with coupled and uncoupled sections |
| 01/22/2008 | US7321620 Equalizer and reproduction signal processing device |
| 01/22/2008 | US7321588 Serial control of radio frequency integrated circuits |
| 01/22/2008 | US7321568 Realtime management of processing resources |
| 01/22/2008 | CA2297462C Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system |
| 01/17/2008 | WO2008007514A1 Wireless lan system and wireless lan access point |
| 01/17/2008 | WO2008007051A1 Power line communication system |
| 01/17/2008 | US20080014863 Detection and elimination of oscillation within cellular network amplifiers |
| 01/17/2008 | US20080014862 Processor-controlled variable gain cellular network amplifiers with oscillation detection circuit |
| 01/17/2008 | US20080013635 Transformer coils for providing voltage isolation |
| 01/17/2008 | US20080013615 Method and systems for analyzing the quality of high-speed signals |
| 01/17/2008 | US20080013614 Device and method for generating a data stream and for generating a multi-channel representation |
| 01/17/2008 | US20080013609 Economical, scalable transceiver jitter test |
| 01/17/2008 | US20080013473 Wireless repeater with master/slave configuration |
| 01/17/2008 | DE112005002968T5 Systeme und Verfahren zur Abstimmung von Filtern Systems and methods for tuning filters |
| 01/16/2008 | EP1879389A2 Method and apparatus for automatic compensation of video signal losses from transmission over conductors |
| 01/16/2008 | EP1879299A2 Transmission output control apparatus, multicarrier transmission system, transmission output control method and transmission output control program in computerreadable storage medium |
| 01/16/2008 | EP1878236A1 System for establishing a connection between a service centre and a plurality of devices for the reception of television signal |
| 01/16/2008 | EP1878124A1 Power line communication system |
| 01/16/2008 | EP1692784A4 Plug-in network appliance |
| 01/16/2008 | EP1625735B1 Method and arrangement for signal loop test |
| 01/16/2008 | EP1358720B1 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
| 01/16/2008 | CN201008155Y Power line communication adapter and power line communication system |
| 01/16/2008 | CN201008154Y Power line transmission communication signal converter with winding device |
| 01/16/2008 | CN101107788A Method and apparatus for power line communication |
| 01/16/2008 | CN101106596A Electronic device and its user circuit suite slice and testing method |
| 01/16/2008 | CN101106460A Ethernet receiving and transmission device based on TV coaxial line |
| 01/16/2008 | CN101106405A Method for eliminating echo in echo eliminator and its dual end communication detection system |
| 01/15/2008 | US7319763 Power amplification for parametric loudspeakers |
| 01/15/2008 | US7319762 Headset with flashing light emitting diodes |
| 01/15/2008 | US7319666 Method and apparatus for concatenating and piggybacking data packets |
| 01/15/2008 | CA2307657C Echo canceller employing dual-h architecture having variable adaptive gain settings |
| 01/10/2008 | WO2008003107A1 Method of optimizing bit rate capacities of dsl user lines |
| 01/10/2008 | WO2005053201A3 Universal network interface for home network |
| 01/10/2008 | US20080008331 Method and apparatus for controlling content reproduction, and computer product |
| 01/10/2008 | US20080008208 Transceiver and communication method for digital multi-carrier communication |
| 01/10/2008 | US20080007898 Front-end device of set-top box for two-way communication |
| 01/10/2008 | US20080007390 Vibrating silent alarm |
| 01/10/2008 | CA2593183A1 Partitioned fast convolution in the time and frequency domain |
| 01/09/2008 | EP1876784A1 Method of optimizing bit rate capacities of DSL user lines |
| 01/09/2008 | EP1875729A1 Dsl system estimation including known dsl line scanning and bad splice detection capability |
| 01/09/2008 | EP1875157A2 Pedal kickdown mechanism and treadle attachment mechanism |
| 01/09/2008 | EP1730821B1 Outlet add-on module |