| Patents for H04B 3 - Line transmission systems (31,523) |
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| 05/22/2002 | CN1350727A 纯延迟估计 Pure delay estimation |
| 05/22/2002 | CN1350392A Method for measuring and improving data subscriber transmitting characteristics |
| 05/22/2002 | CN1085448C Shock wave absorber for RF wired signal transmission system |
| 05/22/2002 | CN1085377C Procedure for equalizing distorted data signals |
| 05/21/2002 | US6393062 Methods and circuits for generating a preemphasis waveform |
| 05/21/2002 | US6393052 Method and apparatus for minimizing near end cross talk due to discrete multi-tone transmission in cable binders |
| 05/21/2002 | US6392479 Automatic gain controller and automatic gain control method, and radio communications apparatus equipped with automatic gain control function |
| 05/16/2002 | WO2002039707A2 Measuring a talking quality of a telephone link in a telecommunications network |
| 05/16/2002 | WO2002039684A2 Method and circuit for pre-emphasis equalization in high speed data communications |
| 05/16/2002 | WO2002039629A2 Channel time calibration means |
| 05/16/2002 | WO2002039613A2 Method for determining setting parameters of a receiving unit |
| 05/16/2002 | WO2002039599A2 Data communication over power lines |
| 05/16/2002 | WO2002039230A2 Network quality of service localizer |
| 05/16/2002 | WO2002005442A3 Estimation of wireless channel impulse response using a preamble |
| 05/16/2002 | WO2001098618A3 Burst qam downhole telemetry system |
| 05/16/2002 | WO2001084326A3 Integrated circuit card for computer communication |
| 05/16/2002 | US20020057915 Method and apparatus for enhancing personal safety with conspicuously concealed, incidentalist, concomitant, or deniable remote monitoring possibilities of a witnessential network, or the like |
| 05/16/2002 | US20020057791 Echo canceler and double-talk detector for use in a communications unit |
| 05/16/2002 | US20020057790 Echo cancellation in the network for data applications |
| 05/16/2002 | US20020057652 Managed HDSL repeater |
| 05/16/2002 | US20020057146 Method and apparatus for supplying power to a load circuit from alternate electric power sources |
| 05/16/2002 | US20020057101 Method and circuit for pre-emphasis equalization in high speed data communications |
| 05/16/2002 | DE10131189A1 Current line connection device for current line communications via LV distribution network has current line communications signals separated from electricity meter signals and fed to current line modem |
| 05/16/2002 | DE10053948A1 Verfahren zum Vermeiden von Kommunikations-Kollisionen zwischen Co-existierenden PLC-Systemen bei der Nutzung eines allen PLC-Systemen gemeinsamen physikalischen Übertragungsmediums und Anordnung zur Durchführung des Verfahrens A method for avoiding collisions of communications between co-existing PLC systems in the use of a PLC systems, all common physical transmission medium and arrangement for performing the method |
| 05/16/2002 | DE10052930A1 Operating filter unit which generates output signal values from input signal values, dependent on filter coefficient. |
| 05/16/2002 | CA2429046A1 Network quality of service localizer |
| 05/15/2002 | EP1206104A1 Measuring a talking quality of a telephone link in a telecommunications network |
| 05/15/2002 | EP1206091A1 Method and apparatus of channel estimation, particularly for a mobile phone |
| 05/15/2002 | EP1206046A2 Device for performing measurement and data transmission in power line network |
| 05/15/2002 | EP1206032A2 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/15/2002 | EP0872018B1 Receiving method and receiver |
| 05/15/2002 | CN1349710A Status monitoring and data processing system suitable for use in a bi-directional communication device |
| 05/15/2002 | CN1349679A 信号处理 Signal Processing |
| 05/15/2002 | CN1349312A Network dish washer |
| 05/15/2002 | CN1084994C Hybrid decision and feedback unit and method suited for hybrid and feedback equalizer |
| 05/15/2002 | CN1084978C Echo canceller having kalman filter for optimal adaptation |
| 05/15/2002 | CN1084977C Echo canceler and its learning method |
| 05/15/2002 | CN1084976C Echo canceler and echo path estimating method |
| 05/14/2002 | US6389440 Acoustic feedback correction |
| 05/14/2002 | US6389109 Fault conditions affecting high speed data services |
| 05/14/2002 | US6389077 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 05/14/2002 | US6389069 Low power programmable digital filter |
| 05/14/2002 | US6389061 Isolation system with digital communication across a capacitive barrier |
| 05/14/2002 | US6388567 Combination monitoring device and patch for a pneumatic tire and method of installing the same |
| 05/14/2002 | US6388564 Power distribution grid communication system |
| 05/10/2002 | WO2002037804A2 Communication device with data interface in the charging base station |
| 05/10/2002 | WO2002037767A1 Data communication system for compensating the attenuation of transmission signal |
| 05/10/2002 | WO2002037712A1 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 |
| 05/10/2002 | WO2002037701A2 Utilizing powerline networking as a general purpose transport for a variety of signals |
| 05/10/2002 | WO2002037679A2 Transmitter circuit comprising timing deskewing means |
| 05/10/2002 | WO2002037674A1 Power line noise filter |
| 05/10/2002 | WO2002037227A2 Asymmetrical communication in prepayment metering |
| 05/10/2002 | WO2001082496A3 Long subscriber loops using automatic gain control |
| 05/09/2002 | US20020056134 Transmission/reception integrated radio-frequency apparatus |
| 05/09/2002 | US20020056116 Home bus computer system and method |
| 05/09/2002 | US20020054649 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/09/2002 | US20020054634 Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer |
| 05/09/2002 | US20020054575 Data communication system for compensating the attenuation of transmission signal |
| 05/09/2002 | US20020053970 Method for communication between a first station and a second station, and a controller and remote station using the communication method |
| 05/08/2002 | EP1204216A1 Method and apparatus for distortion compensation of radio device |
| 05/08/2002 | EP1203484A1 Adsl loop qualification systems and methods |
| 05/08/2002 | EP1203457A1 Reception method and receiver array for a duplex transmission system |
| 05/08/2002 | DE10052718A1 Method for determining the transmission properties of a transmission/echo link feeds an equalizer with input signal values reliant upon the transmission properties of a transmission link between a transmitter and a receiver. |
| 05/08/2002 | CN1348639A Method of forming channel estimate, and receiver |
| 05/08/2002 | CN1348589A 可变均衡器控制系统 Variable Equalizer Control System |
| 05/08/2002 | CN1348280A Active line test for user loop line to user line business provided with voice and digit |
| 05/08/2002 | CN1348261A Noise electric level meter of echo eliminator |
| 05/08/2002 | CN1084566C 接收机 Receiver |
| 05/07/2002 | US6385297 Method and apparatus for qualifying loops for data services |
| 05/07/2002 | US6385253 Method and apparatus for reliable reception of VDSL signals |
| 05/07/2002 | US6385252 High density multiple digital signal connection interface with reduced cross talk |
| 05/07/2002 | US6385239 Adaptive equalizing circuit |
| 05/07/2002 | US6385238 Adaptive equalization and baseline wander correction circuit |
| 05/07/2002 | US6385176 Communication system based on echo canceler tap profile |
| 05/07/2002 | CA2218868C Providing services in a telecommunications network |
| 05/02/2002 | WO2002035728A2 Equalisation using two training sequences |
| 05/02/2002 | WO2002011265A3 Device docking apparatus and method for using the same |
| 05/02/2002 | WO2001097474A3 Adaptive precoding |
| 05/02/2002 | WO2001043334A3 Voice gateway with downstream voice synchronization |
| 05/02/2002 | WO2001005134A9 Method and apparatus for combining voice line card and xdsl line card functions |
| 05/02/2002 | WO2001005053A9 Fast line echo cancellation |
| 05/02/2002 | WO2000007322A3 Local area network of serial intelligent cells |
| 05/02/2002 | US20020052138 System including a wall switch device and a system including a power outlet device and methods for using the same |
| 05/02/2002 | US20020051506 Transmitter circuit comprising timing deskewing means |
| 05/02/2002 | US20020051502 Low-power programmable digital filter |
| 05/02/2002 | US20020051395 Dynamic register with low clock rate testing capability |
| 05/02/2002 | US20020051087 Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems |
| 05/02/2002 | US20020050807 Device docking apparatus and method for using the same |
| 05/02/2002 | US20020050558 Multichannel receiver circuit for parallel reception |
| 05/02/2002 | EP1202516A2 Multi tone decoder system |
| 05/02/2002 | EP1202469A2 Echo canceler and echo path estimating method |
| 05/02/2002 | EP1201076A1 Network for telephony and data communication |
| 05/02/2002 | EP1201043A1 Apparatus and method for facilitating standardized testing of signal lines |
| 05/02/2002 | EP1053629B1 Method for processing telephone signals delivered by an analog telephone terminal and data delivered by a data terminal |
| 05/02/2002 | EP0931411A4 Data communication using power lines |
| 05/02/2002 | EP0894316B1 Electronic communication notepad |
| 05/01/2002 | CN1347204A Programmable echo eliminating filter |
| 04/30/2002 | US6381641 Network traffic management system |
| 04/30/2002 | US6381272 Multi-channel adaptive filtering |
| 04/30/2002 | US6381269 Test system with signal injection network for characterizing interference and noise tolerance in a digital signal link |