| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 02/28/2001 | CN1285654A Self-adaption gain and/or phase regulation control system and method thereof |
| 02/28/2001 | CA2316509A1 Echo cancellation device with self-deactivation |
| 02/28/2001 | CA2281208A1 Single-ended subscriber loop qualification for xdsl service |
| 02/27/2001 | US6195430 Method and device for echo cancellation using power estimation in a residual signal |
| 02/27/2001 | US6195429 Arrangement in a subscriber line interface circuit |
| 02/27/2001 | US6194996 Information transfer via power line carrier |
| 02/22/2001 | WO2001013609A1 Adsl loop qualification systems and methods |
| 02/22/2001 | WO2001011934A2 Echo canceling method and apparatus |
| 02/22/2001 | WO2000056036A3 Echo suppression device and method for performing the same |
| 02/22/2001 | WO2000011759A8 System for transmitting messages via a low-voltage power supply network and adapter |
| 02/22/2001 | CA2381683A1 Adsl loop qualification systems and methods |
| 02/21/2001 | EP1076987A1 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system |
| 02/21/2001 | EP1076939A1 Wide-band communication system |
| 02/21/2001 | CN1284829A Method for setting up call and cordless telecommunication system, cordless user terminal and base station |
| 02/20/2001 | US6192238 Receiving method and receiver |
| 02/20/2001 | US6192126 Double talk detector, method for double talk detection and device incorporating such a detector |
| 02/20/2001 | US6192069 Circuit and methodology for transferring signals between semiconductor devices |
| 02/20/2001 | US6191663 Echo reduction on bit-serial, multi-drop bus |
| 02/20/2001 | CA2175639C Arrangement for signal transmission between a transmitting station and a receiving station |
| 02/15/2001 | WO2001011814A1 Transmission method with frequency and time spread at transmitter level |
| 02/15/2001 | WO2001011799A1 Data packet repeater |
| 02/15/2001 | WO2001011798A1 Powerline data network filter |
| 02/15/2001 | WO2001011796A1 Reception method and receiver array for a duplex transmission system |
| 02/15/2001 | WO2001011604A1 Background energy estimation |
| 02/15/2001 | DE19935824A1 Verfahren zum Erzeugen von Zuverlässigkeitsinformationen für die Kanaldecodierung in einem Funkempfänger sowie entsprechender Funkempfänger A method for generating reliability information for channel decoding in a radio receiver and a corresponding radio receiver |
| 02/14/2001 | EP1076444A1 Telecommunication terminal communicating signaling information through the power line with other terminals connected in parallel to the same network termination |
| 02/14/2001 | EP1076443A1 Method of establishing a call between a cordless terminal and another external terminal, with an analog network and the power line |
| 02/14/2001 | EP1076434A2 Optical amplifying apparatus and method for amplifying wide-wavelength-band light |
| 02/14/2001 | EP0864208B1 Transistor ratio controlled cmos transmission line equalizer |
| 02/14/2001 | CN2419748Y Carrier signal transmitting and receiving device via power lines |
| 02/14/2001 | CN1283913A Communicating appts communication method and its medium |
| 02/13/2001 | US6186834 Enhanced communication connector assembly with crosstalk compensation |
| 02/13/2001 | CA2237825C Adaptive filter and adapting method thereof |
| 02/13/2001 | CA2156943C Echo canceller capable of cancelling an echo signal at a high speed |
| 02/08/2001 | WO2001010148A1 Subscriber station with duplex antenna amplifier |
| 02/08/2001 | WO2001010102A2 Acoustical echo cancellation device |
| 02/08/2001 | WO2001010061A1 Radio communication device and radio communication method |
| 02/08/2001 | WO2001010055A1 Oscillating circuit assembly for a centralised telecontrol audio frequency for a multiphase supply grid |
| 02/08/2001 | WO2001010054A1 Apparatus and method for facilitating standardized testing of signal lines |
| 02/08/2001 | WO2001010053A1 Crest factor compensated driver |
| 02/08/2001 | WO2001010039A2 Method for generating reliability information for the decoding channel of a radio receiver and corresponding radio receiver |
| 02/08/2001 | DE19935808A1 Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit The echo suppression device for suppressing echoes in a transmitter / receiver unit |
| 02/08/2001 | DE19934726A1 Simulating circuit optimisation for fork circuit of analog subscriber line |
| 02/08/2001 | DE19934725A1 Echo suppression at interface between two-wire line and four-wire line |
| 02/08/2001 | DE19929231A1 Schaltungsanordnung und Verfahren zur galvanisch getrennten Breitband-Übertragung Circuit arrangement and method for electrically isolated broadband transmission |
| 02/08/2001 | CA2380321A1 Crest factor compensated driver |
| 02/08/2001 | CA2345734A1 Apparatus and method for radio communications |
| 02/07/2001 | EP1075117A2 Communication apparatus, communication methods, and media |
| 02/07/2001 | EP1075103A1 Communication device and communication method |
| 02/07/2001 | EP1075091A1 Method, circuit and system for operation of a low voltage network for data transmission in an energy distribution |
| 02/07/2001 | CN1283337A Adaptive non-linear echo compensator |
| 02/07/2001 | CN1283325A Device and method for detecting PCM upstream digital impairments in communication metwork |
| 02/06/2001 | US6185301 Echo canceler having plurality of adaptive filter circuits |
| 02/06/2001 | US6185300 Echo canceler for use in communications system |
| 02/06/2001 | US6185263 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 02/06/2001 | US6185262 Method for suppressing disturbances in a bipolar data stream and a circuit configuration for carrying out the method |
| 02/06/2001 | US6185261 Determination of transmitter distortion |
| 02/06/2001 | CA2206387C Method for asymmetrically attenuating signals in a transmission system |
| 02/01/2001 | WO2001008321A1 Interface circuit for surge impedance |
| 02/01/2001 | WO2000069080A3 Pure delay estimation |
| 02/01/2001 | DE19935381A1 Schwingkreisanordnung für Rundsteuertonfrequenz für ein mehrphasiges Versorgungsnetz Resonant circuit arrangement for Rundsteuertonfrequenz for a multi-phase power supply |
| 02/01/2001 | DE19931910A1 Fernspeiseweiche Bias tee |
| 01/31/2001 | EP1073274A2 Digital symbol timing recovery network |
| 01/31/2001 | EP1073247A2 Method for prequalification of subscriber lines for high speed data services |
| 01/31/2001 | EP1073211A2 Method and apparatus for communicating over power line |
| 01/31/2001 | CN2417641Y Electric power line, environmental protection carrier clarifier |
| 01/31/2001 | CN1282480A Multi-carrier method and device for implementing said method |
| 01/31/2001 | CN1282165A Carrier changer and changing method |
| 01/31/2001 | CN1282152A Portable network card test method and equipment |
| 01/30/2001 | US6181794 Echo canceler and method thereof |
| 01/30/2001 | US6181793 Echo canceller employing dual-H architecture having improved coefficient transfer |
| 01/30/2001 | US6181791 Apparatus and method for reducing local interference in subscriber loop communication system |
| 01/30/2001 | US6181753 Echo/noise canceler with delay compensation |
| 01/30/2001 | US6181714 Multi-carrier transmission systems |
| 01/30/2001 | US6181237 Method and apparatus for generating pressure based alerting signals |
| 01/30/2001 | US6180981 Termination structure for semiconductor devices and process for manufacture thereof |
| 01/30/2001 | CA2314516A1 Method for prequalifying subscriber lines for high speed data service |
| 01/30/2001 | CA2279477A1 Crest factor compensated driver |
| 01/25/2001 | WO2001006751A1 Network for telephony and data communication |
| 01/25/2001 | WO2001006676A1 Method for performance monitoring of data transparent communication links |
| 01/25/2001 | WO2001006675A1 Module for connection and testing of high frequency transmission lines |
| 01/25/2001 | WO2001006674A1 A system and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 01/25/2001 | DE19948765A1 Signal transmission via bus system between central unit and modules involves varying current drawn by module by adapting reference value to total current drawn by modules |
| 01/25/2001 | DE19933535A1 Synchronisationsverfahren zur Datenübertragung Synchronization method for data transmission |
| 01/25/2001 | DE19916635C1 Verfahren und Vorrichtung zum Übertragen eines Sendesignals über eine zweiadrige Leitung Method and apparatus for transmitting a transmission signal via a two-wire cable |
| 01/25/2001 | CA2378046A1 A system and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 01/24/2001 | EP1071260A1 Communication device and method of eliminating intereference in this communication device |
| 01/24/2001 | EP1071225A1 Double-talk detection device, echo canceller using double-talk detection device and echo suppressor using double-talk detection device |
| 01/24/2001 | EP1070393A1 Distribution system for external communication signals and data |
| 01/24/2001 | EP1070389A1 Component carrier |
| 01/24/2001 | CN1281298A Device and method for estimating time delay of echo path |
| 01/23/2001 | US6177849 Non-saturating, flux cancelling diplex filter for power line communications |
| 01/23/2001 | US6177801 Detection of bridge tap using frequency domain analysis |
| 01/18/2001 | WO2001005135A1 Method and apparatus for combining voice line card and xdsl line card functions |
| 01/18/2001 | WO2001005134A1 Method and apparatus for combining voice line card and xdsl line card functions |
| 01/18/2001 | WO2001005053A1 Fast line echo cancellation |
| 01/18/2001 | WO2001004461A1 Data transmission in pipeline systems |
| 01/18/2001 | WO2000064130A3 Determining the physical structure of subscriber lines |
| 01/18/2001 | CA2646555A1 Local area network for distributing data communication, sensing and control signals |
| 01/17/2001 | EP1069754A2 Communication interface apparatus |