| Patents for H04B 3 - Line transmission systems (31,523) |
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| 10/13/1998 | US5821760 Method and apparatus for measuring near-end cross-talk in patch cords |
| 10/08/1998 | WO1998044757A2 Subscriber loop extension system for isdn basic rate interfaces |
| 10/08/1998 | WO1998044651A1 Data transfer method and system in low voltage networks |
| 10/08/1998 | WO1998044650A1 Orthogonal lms algorithms for fast line echo canceler training |
| 10/08/1998 | DE19714386C1 Verfahren und Anordnung zur Datenübertragung in Niederspannungsnetzen Method and apparatus for data transmission in low voltage distribution systems |
| 10/07/1998 | EP0869624A2 Processing of echo signals |
| 10/07/1998 | EP0869587A2 Contact pair configuration for compensating cross-talk |
| 10/07/1998 | EP0869435A1 Propagation scheme for network object status |
| 10/07/1998 | EP0868787A1 Method and device for echo cancellation using power estimation in a residual signal |
| 10/06/1998 | US5819159 Method for asymmetrically attenuating signals in a transmission system |
| 10/06/1998 | US5818945 Subband echo cancellation method using projection algorithm |
| 10/06/1998 | US5818928 Method and circuit arrangement for detecting speech in a telephone terminal from a remote speaker |
| 10/06/1998 | US5818821 Local area computer network repeater system |
| 10/06/1998 | US5818740 For use with a digitized signal |
| 10/06/1998 | US5818378 For receiving an input signal |
| 10/06/1998 | US5818253 Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission |
| 10/06/1998 | US5818127 Transmission of FM video signals over various lines |
| 10/04/1998 | CA2201834A1 Serial digital data communications receiver with improved automatic cable equalizer, agc system, and dc restorer |
| 10/01/1998 | WO1998043369A1 Combined parallel adaptive equalizer/echo canceller |
| 10/01/1998 | WO1998043368A2 Method and apparatus for controlling echo on both sides of a connection |
| 10/01/1998 | WO1998024261A3 Measuring device for the interface of a transmission link with full duplex transmission in a two-wire common frequency operation |
| 09/30/1998 | EP0868035A2 Analog signal transmission circuit |
| 09/30/1998 | EP0868006A1 Apparatus for compensation of centralised remote control signal attenuation and of harmonics on power lines |
| 09/30/1998 | CN2293158Y Intelligent control interface device for power line |
| 09/30/1998 | CN1194738A 接收方法和接收机 The receiving method and receiver |
| 09/30/1998 | CN1194513A Adaptive random access agreement and dynamic searching tree expanding resolving for multi-station net |
| 09/30/1998 | CN1194509A Comprehensive digital transfer line for railway |
| 09/30/1998 | CA2230253A1 Method for propagating between views of connection object status in network |
| 09/29/1998 | US5815568 Disabling tone detector for network echo canceller |
| 09/29/1998 | US5815533 Receive processor device for use in a digital mobile radio systems |
| 09/29/1998 | US5815496 Cascade echo canceler arrangement |
| 09/29/1998 | US5815031 High density dynamic bus routing scheme |
| 09/26/1998 | CA2230878A1 Test method for a network element of an optical communication system and network element therefor with test module |
| 09/24/1998 | WO1998042084A1 Multi-input wireless phone with echo suppression |
| 09/24/1998 | WO1998042082A2 Method and arrangement for forming an address |
| 09/24/1998 | DE19808984A1 Field apparatus for transmitting signals |
| 09/24/1998 | DE19709292A1 Digital signal transmission arrangement |
| 09/24/1998 | DE19709203A1 Verfahren zum Erzeugen von Meßsignalen für Meßsysteme zum Messen der Übertragungseigenschaften von sich gegenseitig durch Übersprechen beeinflussenden Übertragungsstrecken in elektrischen Nachrichtensystemen, insbesondere von Freisprecheinrichtungen A method for generating test signals for measuring systems for measuring the transmission characteristics of each other due to crosstalk affecting transmission lines in electrical communication systems, especially of hands-free |
| 09/24/1998 | CA2283707A1 Multi-input wireless phone with echo suppression |
| 09/23/1998 | EP0775380B1 Telecontrol system with data transmission via the shielding of power transmission cables |
| 09/23/1998 | CN1194068A Spectral noise compensation for echo cancellation |
| 09/23/1998 | CN1193794A Adaptive signal processing method of digital recording/reproducing apparatus and circuit thereof |
| 09/22/1998 | US5812944 Mobile speech level reduction circuit responsive to base transmitted signal |
| 09/22/1998 | US5812537 Echo canceling method and apparatus for data over cellular |
| 09/22/1998 | US5810603 Karaoke network system with broadcasting of background pictures |
| 09/17/1998 | WO1998040980A1 Improved transformer coupler for communication over various electrical power lines |
| 09/17/1998 | WO1998040975A1 Control device for the emission of carrier currents on a low voltage network |
| 09/17/1998 | WO1998040974A1 Echo reducing phone with state machine controlled switches |
| 09/17/1998 | DE19709326A1 Data translation method for e.g. controlling heating |
| 09/17/1998 | CA2283590A1 Echo reducing phone with state machine controlled switches |
| 09/16/1998 | EP0864208A1 Transistor ratio controlled cmos transmission line equalizer |
| 09/16/1998 | CN2291759Y Full-duplex pulse chopper system carrier telephone specially adapted for trains |
| 09/16/1998 | CN1193424A Adaptive gain controller |
| 09/15/1998 | US5809463 Method of detecting double talk in an echo canceller |
| 09/15/1998 | US5809110 Technique of controlling telephone calls |
| 09/15/1998 | US5809075 High speed communications system for analog subscriber connections |
| 09/15/1998 | US5809074 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm |
| 09/15/1998 | US5809073 Decision feedback equalizer and method of setting 2-input decision slice |
| 09/15/1998 | US5808902 Power quality transducer for use with supervisory control systems |
| 09/15/1998 | US5808789 Optically amplifying transmission system |
| 09/15/1998 | US5808766 Method for measuring a signal transmission delay time, central station, terminal station and network to perform this method |
| 09/15/1998 | CA2124480C Dc coupled amplifier fed by an rf detector |
| 09/15/1998 | CA2101222C Adapter for video and audio transmission |
| 09/15/1998 | CA2076007C Digital virtual earth active cancellation system |
| 09/15/1998 | CA2067822C In-wire selective cancellation system |
| 09/11/1998 | WO1998039946A1 Device and method for processing speech |
| 09/11/1998 | WO1998039855A2 Method for measuring crosstalk in electric telecommunication systems |
| 09/11/1998 | WO1998033258A3 Power line transmission |
| 09/11/1998 | WO1998032241A3 Circuit for two-wire / four-wire conversion |
| 09/09/1998 | EP0863640A2 Improved physical layer interface device |
| 09/09/1998 | EP0863626A2 Optical transmission system monitoring polarisation mode dispersion |
| 09/09/1998 | EP0741943A4 Telecommunication system for transmitting full motion video |
| 09/09/1998 | CN2290955Y Network high frequency, high speed signal transmission protecting device |
| 09/09/1998 | CN1192629A Apparatus and method for testing CATV transmission line |
| 09/08/1998 | US5805639 Adaptive network |
| 09/08/1998 | US5805053 Appliance adapted for power line communications |
| 09/08/1998 | US5805052 Cable system for signal transmission |
| 09/08/1998 | US5805031 Transistor ratio controlled CMOS transmission line equalizer |
| 09/05/1998 | CA2229967A1 Arrangement of contact pairs for compensation of near-end crosstalk |
| 09/03/1998 | WO1998038690A1 Frequency signal equalizing device, specially for a satellite communications facility |
| 09/03/1998 | WO1998038582A1 Adaptive dual filter echo cancellation |
| 09/03/1998 | WO1998024221A3 Method for measuring qualitative parameters of a permanently connected message transmission link |
| 09/03/1998 | WO1998020658A3 Non-invasive powerline communications system |
| 09/03/1998 | CA2277996A1 Arrangement for the equalization of a frequency signal, for a satellite communication system in particular |
| 09/02/1998 | EP0862281A2 Echo canceller for use in a communications system |
| 09/02/1998 | EP0862258A1 Method and system for transporting electric power in a link |
| 09/02/1998 | EP0861536A1 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections |
| 09/02/1998 | EP0861522A2 Method and apparatus for producing a deterministic sequence from an iir filter |
| 09/02/1998 | CN2290152Y Multichannel bidirection sound transmission machine |
| 09/02/1998 | CN1192309A Assessment of signal quality |
| 09/02/1998 | CN1192086A Method for managing status and dual information of clock distributor |
| 09/01/1998 | US5802446 Method and apparatus for testing a communication channel |
| 09/01/1998 | US5802105 Method and apparatus for testing a digital communication channel |
| 09/01/1998 | US5801858 Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 09/01/1998 | US5801695 High speed communications system for analog subscriber connections |
| 09/01/1998 | US5801583 Coilless bus coupler for an on-board power supply |
| 08/27/1998 | WO1998037657A2 High speed communications system for analog subscriber connections |
| 08/27/1998 | WO1998037642A1 Method and arrangement for combined data and power distribution using a communication bus |
| 08/27/1998 | DE19707675A1 Anordnung zur Entzerrung eines Frequenzsignals, insbesondere für eine Satellitenkommunikationsanlage Arrangement for equalizing a frequency signal, in particular for a satellite communications installation |
| 08/27/1998 | DE19707533A1 Network supply stage with signal coupling transformer |