| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 01/24/2006 | US6990142 Process and device for estimating the impulse response of an information transmission channel, in particular for a cellular mobile telephone |
| 01/24/2006 | US6990084 Echo cancellation with dynamic latency adjustment |
| 01/24/2006 | US6990083 Method and device for computing echo-cancellation coefficients using FFT |
| 01/24/2006 | US6989735 Power transfer apparatus for concurrently transmitting data and power over data wires |
| 01/24/2006 | US6989733 Method and system for adapting a telephone line modem for use on the power line |
| 01/24/2006 | CA2415363C Repetitive-pn1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems |
| 01/19/2006 | WO2006007541A1 Wearable audio device with easy donning action and antihelix stabilizer |
| 01/19/2006 | WO2006007516A2 Limiting maximum gain in duplex communications devices including telephone sets |
| 01/19/2006 | WO2006007121A1 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability |
| 01/19/2006 | WO2006005750A1 Circuit arrangement for suppressing interfering signals in transmitted signals emitted by a modem of a household appliance |
| 01/19/2006 | US20060014491 Apparatus and method for echo cancellation in a wireless repeater using cross-polarized antenna elements |
| 01/19/2006 | US20060013370 Voice communications apparatus |
| 01/19/2006 | US20060013339 Diferrential decoder followed by non-linear compensator |
| 01/19/2006 | US20060013331 Current mode differential transmission method and system for transmitting three units of data using four signal lines |
| 01/19/2006 | US20060012449 Power line coupling device and method of using the same |
| 01/19/2006 | DE19853654B4 Bilderzeugungsvorrichtungs-Managementsystem Image forming device management system |
| 01/18/2006 | EP1617538A1 Device for suppressing radiation occurring during information transmission through power supply lines |
| 01/18/2006 | EP1616394A1 Method and device for transmission with reduced crosstalk |
| 01/18/2006 | EP1616311A1 Common field bus for data and energy transfer |
| 01/18/2006 | EP0756785B2 Hybrid electricity and telecommunications distribution network |
| 01/18/2006 | CN2753059Y Magnetic ring used for electric line communication signal coupling |
| 01/18/2006 | CN1723685A Capacitive coupler for power line communications |
| 01/18/2006 | CN1723684A Controlling power output of a modem for power line communications |
| 01/18/2006 | CN1723639A Illumination light communication device |
| 01/18/2006 | CN1722629A Channel adaptation synchronized to periodically varying channel |
| 01/18/2006 | CN1722626A Multiuser detection receiver for CDMA signals |
| 01/18/2006 | CN1722189A System and method for data retrieval in AC power tools via an AC line cord |
| 01/18/2006 | CN1237764C Circuit and method for reducing performance loss related to feedback loop delay in decision feedback equalizer |
| 01/18/2006 | CN1237733C Cable assembly |
| 01/18/2006 | CN1237732C System and method for generating virtual speaker by using parametric sound system |
| 01/17/2006 | US6988207 Scan insertion testing of ASICs |
| 01/17/2006 | US6987902 Branching unit with reconfigurable terminal connections |
| 01/17/2006 | US6987821 Voice and data exchange over a packet based network with scaling error compensation |
| 01/17/2006 | US6987804 Process for recovering digital optical signals and a feedback decision circuit |
| 01/17/2006 | US6987800 DSL transmission system with far-end crosstalk cancellation |
| 01/17/2006 | US6987782 Method and apparatus for detecting robbed bit location in PCM modems and the like |
| 01/17/2006 | US6987444 Power line communications method |
| 01/17/2006 | US6987430 Power line communication system and power line branching apparatus |
| 01/15/2006 | CA2492769A1 Upgrading a telecommunication street cabinet |
| 01/12/2006 | WO2006004569A2 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 01/12/2006 | WO2006004057A1 Pulse pattern generator and communication device evaluating system using same |
| 01/12/2006 | WO2006003359A1 Data communication and power supply system for downhole applications |
| 01/12/2006 | WO2005101771A3 Common mode detecting apparatus |
| 01/12/2006 | US20060010247 Methods for providing communications services |
| 01/12/2006 | US20060008204 Highly insulated inductive data couplers |
| 01/12/2006 | US20060008094 Wireless multi-channel audio system |
| 01/12/2006 | US20060008093 Media recorder system and method |
| 01/12/2006 | US20060008092 Interactive broadcast channel |
| 01/12/2006 | US20060007997 Method and apparatus for channel equalization |
| 01/12/2006 | US20060007992 Echo canceller gain control for channel diagnostic systems |
| 01/12/2006 | US20060007991 Channel fault detection for channel diagnostic Systems |
| 01/12/2006 | US20060007872 Echo cancellation in a communication network |
| 01/12/2006 | DE10360857B4 Transformatorische Busankopplung Transformer bus coupling |
| 01/12/2006 | DE102004030883A1 Dimming control of a light bulb has a control signal transmitted over electrical network to a receiver coupled to light bulb |
| 01/11/2006 | EP1615351A1 Multistage equalizer |
| 01/11/2006 | EP1614243A2 System and method for preventing phantom data communication links |
| 01/11/2006 | EP1413121A4 Improved crosstalk identification for spectrum management in broadband telecommunications systems |
| 01/11/2006 | CN2751484Y Data concentration and collection apparatus based on power line broadband communication technology |
| 01/11/2006 | CN1720672A Communication methods and apparatus |
| 01/11/2006 | CN1719744A Adaptive hauling canceller |
| 01/10/2006 | US6985782 Audio control signal transmission apparatus and reception appartus, control system and control method using an audio control signal, program information transmission apparatus and transmission method, and program reservation apparatus and program reservation method |
| 01/10/2006 | US6985715 Method and device for frequency translation in powerline communications |
| 01/10/2006 | US6985714 Communication system, communication terminal and communication method |
| 01/10/2006 | US6985539 Peak suppression method and data transmission apparatus |
| 01/10/2006 | US6985492 Voice gateway with voice synchronization |
| 01/10/2006 | US6985072 Apparatus and method for a low-rate data transmission mode over a power line |
| 01/10/2006 | US6984991 Initialization of a bidirectional, self-timed parallel interface with automatic testing of AC differential wire pairs |
| 01/05/2006 | WO2006000796A2 Signalling method |
| 01/05/2006 | US20060002483 LVDS receiver for controlling current based on frequency and method of operating the LDVS receiver |
| 01/05/2006 | US20060002482 Signal drive de-emphasis for memory bus |
| 01/05/2006 | DE202005006060U1 Wireless local area network structure for e.g. hospital, has tunneling mode conductor connected to access point via interface device and formed with coaxial cable that includes shielding recesses for controlled emission of injecting signals |
| 01/05/2006 | DE19525381B4 Verfahren zur Steuerung der Schrittweite eines Echokompensators mit adaptivem Filter Method for controlling the step size of an echo canceller with an adaptive filter |
| 01/05/2006 | DE19501887B4 Einrichtung und System für die Übertragung von Information und Einrichtung zum Wiederherstellen digitaler Information Device and system for the transmission of information and means for recovering digital information |
| 01/05/2006 | CA2702321A1 Electrical signalling system |
| 01/05/2006 | CA2571037A1 Signalling method |
| 01/05/2006 | CA2571028A1 Method of obtaining spectral voids in the transmission of signals over the electric network |
| 01/04/2006 | EP1612963A2 Multi-Channel Echo Cancellation With Round Robin Regularization |
| 01/04/2006 | EP1612962A1 Broadband xDSL transceiver |
| 01/04/2006 | EP1611696A1 A transmitter with a remote unit in an electric net data transmission system |
| 01/04/2006 | EP1611695A1 Method in an electric net data transmission system for keeping the signal level constant in a coupling furnished with supply cable |
| 01/04/2006 | EP1556853A4 Data communication through acoustic channels and compression |
| 01/04/2006 | EP1352493A4 Crosstalk identification for spectrum management in broadband telecommunications systems |
| 01/04/2006 | CN1716989A System and method of upstream signal power cutback |
| 01/04/2006 | CN1716801A Video frequency transmission device for lift |
| 01/04/2006 | CN1716800A Communication device for lift |
| 01/04/2006 | CN1716799A Broadband XDSL transceiver |
| 01/04/2006 | CN1716798A Echo eliminating in communication network |
| 01/04/2006 | CN1235348C Sound communication device and echo processor |
| 01/04/2006 | CN1235347C Interface for realizing automatic impedance matching and method thereof |
| 01/04/2006 | CN1235344C Noise eliminating method and device |
| 01/04/2006 | CN1235339C Low-power programmable digital filter |
| 01/03/2006 | US6983125 Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency |
| 01/03/2006 | US6983030 Approach for processing data received from a communications channel in finite precision arithmetic applications |
| 01/03/2006 | US6983023 Data transmission system of directional coupling type using forward wave and reflection wave |
| 01/03/2006 | US6982630 Vibrating pedestrian push button station |
| 01/03/2006 | US6982611 Power line coupling device and method of using the same |
| 01/03/2006 | US6982560 Method and system for determining cross-talk effects |
| 01/03/2006 | CA2267411C Echo canceller with silence detection |
| 12/29/2005 | WO2005125168A1 Echo canceling apparatus, telephone set using the same, and echo canceling method |
| 12/29/2005 | WO2005125038A2 Method and system for directing users to coverage |