| Patents for H04B 3 - Line transmission systems (31,523) |
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| 04/29/2004 | US20040082203 Method and apparatus for power theft prevention based on TDR or FDR signature monitoring on LV and MV power lines |
| 04/29/2004 | US20040081315 Echo detection and monitoring |
| 04/29/2004 | US20040081233 Performance customization system and process for optimizing xDSL performance |
| 04/29/2004 | US20040081232 Isolation system with digital communication across a capacitive barrier |
| 04/29/2004 | US20040081089 Transmitting data on scheduled channels in a centralized network |
| 04/29/2004 | US20040080323 Signal pre-processing for estimating attributes of a transmission line |
| 04/29/2004 | DE10248821A1 Versorgungsleitungsstruktur Power line structure |
| 04/29/2004 | CA2502122A1 Filter for segmenting power lines for communications |
| 04/29/2004 | CA2502107A1 Repeaters sharing a common medium for communications |
| 04/29/2004 | CA2502104A1 Arrangement of a data coupler for power line communications |
| 04/28/2004 | EP1414176A2 Communication device and communication method immune to burst error, program for executing the method, and computer-readable storage medium storing the program |
| 04/28/2004 | EP1414164A1 Method for cross-talk cancellation |
| 04/28/2004 | EP1413168A2 Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
| 04/28/2004 | EP1413167A2 Sound reinforcement system having an multi microphone echo suppressor as post processor |
| 04/28/2004 | EP1413127A1 Echo canceller having nonlinear echo suppressor for harmonics calculations |
| 04/28/2004 | EP1413121A1 Improved crosstalk identification for spectrum management in broadband telecommunications systems |
| 04/28/2004 | EP1413106A1 Software definable block adaptive decision feedback equalizer |
| 04/28/2004 | EP1238473B1 System and method for transmitting and receiving power and data using time division multiplex transmission |
| 04/28/2004 | CN1493116A Two-wire power transmitting/receiving device and its method |
| 04/28/2004 | CN1493111A Induction coupling of data signal to power transmission cable |
| 04/28/2004 | CN1148012C Method and system for VLF ground-wave broadcast and communication |
| 04/28/2004 | CN1148007C Method for setting vehice communiation device operation and vehicle communication device using said method |
| 04/27/2004 | US6728968 Upward-joining-noise decreasing method and apparatus |
| 04/27/2004 | US6728372 Wire bound telecommunications device and a power supply circuit |
| 04/27/2004 | US6728366 Signal level adjustment arrangement |
| 04/27/2004 | US6728223 Echo canceller system |
| 04/27/2004 | US6727804 Power line communication system and method |
| 04/25/2004 | CA2445699A1 Echo detection and monitoring |
| 04/22/2004 | WO2004034643A1 Method of implementing virtual local area networks on electrical network communication systems |
| 04/22/2004 | WO2004034607A1 Wraparound canceller, relay system, and wraparound canceling method |
| 04/22/2004 | WO2004034078A2 A high speed data link with transmitter equalization and receiver equalization |
| 04/22/2004 | US20040076433 Optical transmission system for frequency-multiplexed signal |
| 04/22/2004 | US20040076271 Audio signal quality enhancement in a digital network |
| 04/22/2004 | US20040076249 Concurrent process for blind deconvolution of digital signals |
| 04/22/2004 | US20040075535 Power line communication network |
| 04/22/2004 | DE10353496A1 High-frequency-transmission system for TV signals uses high-voltage three-phase power transmission lines and incorporates camera with signal compression circuit connected to a TFH circuit |
| 04/22/2004 | DE10247208A1 Bridge-circuit arrangement for echo suppression in communication devices e.g. for xDSL-transmission systems, includes variable simulating device for simulating at least one circuit section of bridge branch |
| 04/22/2004 | CA2501811A1 Method of implementing virtual local area networks on electrical network communication systems |
| 04/21/2004 | EP1411645A1 Balanced transmission apparatus |
| 04/21/2004 | EP1411361A1 Signal pre-processing for estimating attributes of a transmission line |
| 04/21/2004 | EP1410679A2 Supplemental audio content system with wireless communication for a cinema and related methods |
| 04/21/2004 | EP1410564A1 Apparatus and method of loop and rate dependent power cutback |
| 04/21/2004 | EP1410514A1 Turbo decoder with decision feedback equalization |
| 04/21/2004 | EP0745302B1 High speed communications system for analog subscriber connections |
| 04/21/2004 | CN2613103Y Power line and telephone line combined electric appliance control device |
| 04/21/2004 | CN1491492A Home appliances network |
| 04/21/2004 | CN1490996A Treatment for two electronic apparatus relative position |
| 04/21/2004 | CN1490944A Sectional demodifying computing method for effectively reducing interfaces between sub-carrier |
| 04/21/2004 | CN1147179C Mobile station with duplex antenna amplifier |
| 04/21/2004 | CN1146905C Wave shape equalizer |
| 04/20/2004 | US6725066 Method of cancelling echoes in a telecommunications system and an echo canceller for the execution of the method |
| 04/20/2004 | US6724859 Method for determining subscriber loop make-up by subtracting calculated signals |
| 04/20/2004 | US6724849 Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment |
| 04/20/2004 | US6724809 Parallel interference cancellation receiver for multiuser detection of CDMA signals |
| 04/20/2004 | US6724736 Remote echo cancellation in a packet based network |
| 04/20/2004 | US6724219 Amplifier and line driver for broadband communications |
| 04/15/2004 | WO2004032363A1 Communication methods and apparatus |
| 04/15/2004 | WO2004032277A1 Communication methods and apparatus |
| 04/15/2004 | WO2004030431A2 Method and system for signal repeating in powerline communications |
| 04/15/2004 | WO2003098813A3 Flexible power line modem |
| 04/15/2004 | US20040071243 Multi-pair gigabit ethernet transceiver |
| 04/15/2004 | US20040071242 Multi-pair gigabit ethernet transceiver |
| 04/15/2004 | US20040071219 High speed data link with transmitter equalization and receiver equalization |
| 04/15/2004 | US20040071102 Method and apparatus for echo cancellation |
| 04/15/2004 | US20040070912 Method and system to increase the throughput of a communications system that uses an electrical power distribution system as a communications pathway |
| 04/15/2004 | DE10340431A1 Combined electrical power supply and communication system for road vehicles has signals superimposed on voltage |
| 04/14/2004 | EP1408622A1 Method for operating a powerline communication network |
| 04/14/2004 | EP1407561A2 Device for the inductive transmission of electrical power |
| 04/14/2004 | EP1254542B1 A method of receiving a signal and a receiver |
| 04/14/2004 | CN1489860A Power cutback configuration of digital line transceivers using public switched telephone net work signaling |
| 04/14/2004 | CN1489833A Digital point-to-multiponit data transmission system on electric network |
| 04/13/2004 | US6721916 System and method for trellis decoding in a multi-pair transceiver system |
| 04/13/2004 | US6721287 Far echo canceller for PCM modems |
| 04/08/2004 | WO2004030260A2 Data communication through acoustic channels and compression |
| 04/08/2004 | WO2004030236A1 Method and system for reducing interferences due to handshake tones |
| 04/08/2004 | WO2004029766A2 Method and system for timing controlled signal transmission in a point to multipoint power line communications system |
| 04/08/2004 | WO2004017535A3 Installation for distributing digital signals |
| 04/08/2004 | WO2004004192A3 Method and apparatus for channel equalization |
| 04/08/2004 | WO2003105352A3 A method and system for providing window shaping for multiline transmission in a communications system |
| 04/08/2004 | WO2003065597A3 High frequency network multiplexed communications over various lines using multiple modulated carrier frequencies |
| 04/08/2004 | WO2003058902A3 Timing control in data receivers and transmitters |
| 04/08/2004 | US20040068164 Signal processing apparatus |
| 04/08/2004 | US20040067745 Method and system for signal repeating in powerline communications |
| 04/08/2004 | US20040067061 High-speed optical data links |
| 04/08/2004 | US20040066465 Camera for monitoring utilizing power line communication |
| 04/08/2004 | US20040066283 Power line communications system combining high bitrate and low bitrate transmissions |
| 04/08/2004 | US20040066272 House code assigning device for assigning house code to electronic equipment |
| 04/08/2004 | US20040066245 Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices |
| 04/08/2004 | DE10239016B3 Anordnung und Verfahren zum Anschluss einer Powerline-Datenübertragungseinrichtung an mehrere Stromversorgungsleitungen Arrangement and method for connecting a power line data transmission device to a plurality of power supply lines |
| 04/07/2004 | EP1406397A1 MULTI−CHANNEL ECHO CANCEL METHOD, MULTI−CHANNEL SOUND TRANSFER METHOD, STEREO ECHO CANCELLER, STEREO SOUND TRANSFER APPARATUS, AND TRANSFER FUNCTION CALCULATION APPARATUS |
| 04/07/2004 | EP1405433A2 Single ended line probing in dsl system |
| 04/07/2004 | EP1405432A1 Single ended line probing in dsl system using transformerless hybrid |
| 04/07/2004 | EP1405382A1 Electric circuit providing selectable short circuit for instrumentation applications |
| 04/07/2004 | EP1405154A2 Transmitter circuit comprising timing deskewing means |
| 04/07/2004 | CN2610570Y Intelligent testing device for fault of communication line |
| 04/07/2004 | CN2610569Y Signal input/output unit |
| 04/07/2004 | CN2610564Y Power line carrier power amplifier |
| 04/07/2004 | CN1145346C Method for processing telephone signals provided by analog telephone terminal equipment and data provided by data terminal apparatus |
| 04/07/2004 | CN1145269C Receiving method and receiver for mobile wireless telephone application |
| 04/06/2004 | US6718513 Fault monitoring system and fault reporting method |