| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 05/21/2004 | WO2004042951A1 A multistage nonlinear echo-canceller for digital communication systems with or without frequency division duplexing |
| 05/20/2004 | US20040098172 Configuration system for network appliances, and a method for reconfiguration of appliances |
| 05/20/2004 | US20040096111 Block size assignment using local contrast ratio |
| 05/20/2004 | US20040096052 Method for frequency and loop length grouping for cross-talk reduction in a plurality of DSL channels |
| 05/20/2004 | US20040096006 Isolation system with digital communication across a capacitive barrier |
| 05/20/2004 | US20040095994 High-speed modem with uplink remote-echo canceller |
| 05/20/2004 | US20040095921 Automated system and method for management of digital subscriber lines |
| 05/20/2004 | US20040095204 Capacitive coupler for power line communications |
| 05/20/2004 | US20040095203 Transmission system |
| 05/19/2004 | EP1420555A2 Sequence for channel estimation and method for estimating a transmission channel which uses such a sequence for channel estimation |
| 05/19/2004 | EP1420522A1 Configuration system for network device and method for reconfiguring devices |
| 05/19/2004 | EP1420521A2 Channel diagnostic systems and methods |
| 05/19/2004 | EP1419630A1 Monitoring upstream frequency band |
| 05/19/2004 | EP1419629A2 Crosstalk equalization for digital transmission lines |
| 05/19/2004 | EP1419587A1 Dynamic power line access connection |
| 05/19/2004 | EP1419575A1 Concurrent process for blind deconvolution of digital signals |
| 05/19/2004 | EP1419560A1 High data rate interconnecting device |
| 05/19/2004 | EP1273105A4 Method and apparatus employing wireless in-band signaling for downlink transmission of commands |
| 05/19/2004 | EP1118195B1 Method and apparatus for demodulating and equalizing an am compatible digital audio broadcast signal |
| 05/19/2004 | DE69907970T2 Dynamisches register mit der fähigkeit zur prüfung der ruhestromaufnahme (iddq) Dynamic register with the ability to test the quiescent current consumption (IDDQ) |
| 05/19/2004 | CN1498487A Method and system for minimum square error equalization iteratively circulating shorrt training sequences until MSE falls below target threshold |
| 05/19/2004 | CN1498459A Inter bay communication |
| 05/19/2004 | CN1497864A Communication device and method of strong antiburst error and execution program and recording medium |
| 05/19/2004 | CN1497858A 平衡传输装置 Balance transfer device |
| 05/19/2004 | CN1497825A Power supply decoupling device and method for parallel terminal transmission |
| 05/19/2004 | CN1150729C High-speed upstream modem communication |
| 05/19/2004 | CN1150673C Automatic gain controller and method, and communication device with automatic gain control function |
| 05/18/2004 | US6738584 Method for optical fiber communication, and terminal device and system for use in carrying out the method |
| 05/18/2004 | US6738440 Subscriber line transmission systems |
| 05/18/2004 | US6738419 Dynamic regulation of power consumption of a high-speed communication system |
| 05/18/2004 | US6738358 Network echo canceller for integrated telecommunications processing |
| 05/18/2004 | US6737859 Dynamic register with IDDQ testing capability |
| 05/18/2004 | CA2322392C Two wire communication system |
| 05/18/2004 | CA2128473C A method and apparatus for transmitting information relating to the operation of a downhole electrical device |
| 05/13/2004 | WO2004040806A1 Amplitude and phase matching for layered modulation reception |
| 05/13/2004 | WO2004010253A3 System and method for data retrieval in ac power tools via an ac line cord |
| 05/13/2004 | US20040091099 Anti-howling circuit detecting howling from effect of predicted echo signal |
| 05/13/2004 | US20040091071 Demodulation apparatus for a network transceiver and method thereof |
| 05/13/2004 | US20040091038 Multi-pair gigabit ethernet transceiver |
| 05/13/2004 | US20040091032 Monitoring system for a communications network |
| 05/13/2004 | US20040090927 Method and apparatus for precode crosstalk mitigation |
| 05/13/2004 | US20040090312 Power line communication system with autonomous network segments |
| 05/13/2004 | US20040090284 Arrangement of a data coupler for power line communications |
| 05/13/2004 | DE19523343B4 Vorrichtung zum Messen einer Leckleistung An apparatus for measuring a leakage power |
| 05/12/2004 | EP1417790A1 Exciter system and method for communications within an enclosed space |
| 05/12/2004 | EP1417786A1 High-speed optical data links |
| 05/12/2004 | EP1417755A1 Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares |
| 05/12/2004 | EP1417607A2 Insertion of repeaters without timing constraints |
| 05/12/2004 | EP1208692A4 High frequency network communications over various lines |
| 05/12/2004 | EP1062717B1 Network coupling device and method |
| 05/12/2004 | CN1496639A Method for extablishing data transmission connection between XDSL transceivers |
| 05/12/2004 | CN1149773C Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 05/12/2004 | CN1149498C System and method of impulse noise effect reduction |
| 05/11/2004 | US6735304 Adaptive filter and echo canceller using the same |
| 05/11/2004 | US6735303 Periodic signal detector |
| 05/11/2004 | US6735244 Data transmission system and receiver unit thereof |
| 05/11/2004 | US6735181 Wireless transceiver with subtractive filter compensating both transmit and receive artifacts |
| 05/11/2004 | US6734920 System and method for reducing error propagation in a decision feedback equalizer of ATSC VSB receiver |
| 05/11/2004 | US6734684 Spectral shaping circuit |
| 05/06/2004 | WO2004039049A1 Echo-suppression with short delay |
| 05/06/2004 | WO2004038962A1 Illumination light communication device |
| 05/06/2004 | WO2004038950A2 Power line signalling system |
| 05/06/2004 | WO2004038949A1 Processing device and processing method |
| 05/06/2004 | WO2004037613A2 Feed line structure |
| 05/06/2004 | WO2003094765A3 Method and system for power line network fault detection and quality monitoring |
| 05/06/2004 | WO2003041369A8 Telecommunications gateway and method |
| 05/06/2004 | US20040086133 Efficient echo cancellation techniques |
| 05/06/2004 | US20040086109 Echo canceler with echo path change detector |
| 05/06/2004 | US20040086108 Echo canceller employing dual-H architecture having variable adaptive gain settings |
| 05/06/2004 | US20040086107 Techniques for improving telephone audio quality |
| 05/06/2004 | US20040086064 Method to provide cross-talk cancellation |
| 05/06/2004 | US20040086052 Low-noise feedback cancellation filter for enhanced common-mode rejection and noise immunity |
| 05/06/2004 | US20040086035 EHF equalizer implemented with MEMs tap weight controls |
| 05/06/2004 | US20040085193 System and method for data retrieval in AC power tools via an AC line cord |
| 05/06/2004 | US20040085172 Filter for segmenting power lines for communications |
| 05/06/2004 | US20040085171 Highly insulated inductive data couplers |
| 05/06/2004 | US20040085149 Wired transmission path |
| 05/06/2004 | EP1416645A2 Power line coupler modem device for communication over electrical lines |
| 05/06/2004 | EP1415409A2 Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data |
| 05/06/2004 | DE19780625B4 Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer The device, method, and software modem for using the group delay characteristics to determine a symbol rate and / or character frequency and a carrier frequency for data transfer |
| 05/06/2004 | DE10065741B4 Verfahren zur Ermittlung von Nebensprechgrenzwerten und zur Optimierung der Entflechtung von digitalen Netzen Procedure for the determination of crosstalk limits and to optimize the unbundling of digital networks |
| 05/05/2004 | CN1494764A Concurrent process for blind deconvolution of digital signals |
| 05/05/2004 | CN1494231A Distribution type echo elimination |
| 05/05/2004 | CN1494229A Echo Eliminator with echo path change detector |
| 05/05/2004 | CN1148886C Apparatus and method of determining symbol rate and carrier frequency |
| 05/04/2004 | US6731914 Determination of transmitter distortion |
| 05/04/2004 | US6731881 Device for transmitting and receiving optical signals |
| 05/04/2004 | US6731752 Method and circuit for echo-cancellation in two-way communications |
| 05/04/2004 | US6731747 Signal detector with echo cancellation |
| 05/04/2004 | US6731691 Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements |
| 05/04/2004 | US6731688 Speed signaling for data communications |
| 05/04/2004 | US6731687 Dynamic line balancing scheme for providing inter-packet squelch |
| 05/04/2004 | US6731683 Serial data communication receiver having adaptive equalization |
| 05/04/2004 | US6731201 Communications module and system |
| 05/01/2004 | CA2410749A1 Convergence improvement for oversampled subband adaptive filters |
| 04/29/2004 | WO2004036879A2 Filter for segmenting power lines for communications |
| 04/29/2004 | WO2004036813A2 Repeaters sharing a common medium for communications |
| 04/29/2004 | WO2004036772A2 Arrangement of a data coupler for power line communications |
| 04/29/2004 | WO2004036601A2 Highly insulated inductive data couplers |
| 04/29/2004 | WO2003094365A3 Construction of medium voltage power line data couplers |