| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 04/18/2006 | US7031269 Acoustic echo canceller |
| 04/18/2006 | US7030734 Verification of proper coupling of power line communication units to power circuits |
| 04/18/2006 | US7029984 Method for fabricating semiconductor device |
| 04/13/2006 | WO2006039657A1 Power line local network |
| 04/13/2006 | WO2006039297A2 Estimation of signal-to-noise ratio by processing measured error vector magnitude |
| 04/13/2006 | WO2006037605A1 Power line communication methods and devices |
| 04/13/2006 | WO2006020392A3 All-pass network for data transmission over a catv system |
| 04/13/2006 | US20060079198 Apparatus, method and system for range extension of a data communication signal on a high voltage cable |
| 04/13/2006 | US20060078132 Method and apparatus for reproducing audio signal |
| 04/13/2006 | US20060077970 Local area network of serial intelligent cells |
| 04/13/2006 | US20060077914 On-chip bus architectures with interconnected switch points, semiconductor devices using the same and methods for communicating data in an on-chip bus architecture |
| 04/13/2006 | US20060077047 Power line communication system |
| 04/13/2006 | US20060077046 Power-line communication device |
| 04/13/2006 | US20060076830 Communication and AC power system |
| 04/13/2006 | DE102004047718A1 Verfahren und Empfängerschaltung zur Reduzierung von Rfl-Störungen The method and receiver circuit for reducing interference Rfl |
| 04/13/2006 | DE10146491B4 Elektronische Schaltung mit einer Treiberschaltung An electronic circuit comprising a driver circuit |
| 04/13/2006 | DE10000609B4 Schnittstellengerät für eine Datenverbindung zwischen einem Elektro-Installationssystem und einem Komminikationssystem sowie damit ausgestattetes Elektro-Installationssystem Interface device for a data connection between an electrical installation system and a well equipped therewith Komminikationssystem electrical installation system |
| 04/12/2006 | EP1645048A1 Inductive coupling circuit and telecommunication method by sheathed cables of an electrical current distribution network |
| 04/12/2006 | EP1378107A4 Loop extender with communications, control, and diagnostics |
| 04/12/2006 | CN1758694A Device for generation confortable noise |
| 04/12/2006 | CN1758561A Method and device for suppressed leakage electromagnetic field communication |
| 04/12/2006 | CN1758560A Power line communication methods |
| 04/12/2006 | CN1251467C Transmission of digital information signal having specific first sampling frequency |
| 04/12/2006 | CN1251420C Method for supplying phonetic service of high speed data business |
| 04/11/2006 | US7027730 Method for measuring transmission loss in optical transmission line for test, and slave station, master station, and optical communication system using the method |
| 04/11/2006 | US7027593 Apparatus and method for echo control |
| 04/11/2006 | US7027592 Non-linear echo cancellation in discrete multi-tone systems |
| 04/11/2006 | US7027589 Single-ended loop test circuitry in a central office DSL modem |
| 04/11/2006 | US7027562 System and method to reduce echoes in voice communications |
| 04/11/2006 | US7027538 Method and system for joint decision feedback equalization and complementary code key decoding using a trellis |
| 04/11/2006 | US7027533 Turbo-reception method and turbo-receiver |
| 04/11/2006 | US7027503 Receiver with a decision feedback equalizer and a linear equalizer |
| 04/11/2006 | US7027483 Ultra-wideband communication through local power lines |
| 04/11/2006 | US7026917 Power line communication system and method of operating the same |
| 04/11/2006 | US7026852 Apparatus and method for generating wobble clock |
| 04/11/2006 | CA2432935C Power cutback configuration of digital subscriber line transceivers using public switched telephone network signaling |
| 04/06/2006 | WO2006035869A1 Data communication system, data reproducing apparatus and data reproducing method |
| 04/06/2006 | WO2006035078A1 Device for the capacitive coupling of a data-transmission device to a phase of an electrical power line |
| 04/06/2006 | WO2006034866A1 Data transmission method and device for a/c systems |
| 04/06/2006 | WO2006013440A3 System for signals distribution to a plurality of users |
| 04/06/2006 | US20060072921 Optical transmission system for frequency-multiplexed signal |
| 04/06/2006 | US20060072766 Reverberation removal |
| 04/06/2006 | US20060072656 Estimation of signal-to-noise ratio by processing measured error vector magnitude |
| 04/06/2006 | US20060072485 Method and apparatus for suppressing communication signal interference |
| 04/06/2006 | US20060072484 Method and apparatus for suppressing echo cancelling in a packet switched network |
| 04/06/2006 | DE102004046186A1 Conversion module for use in power line communication, especially on board a ship, has an interface that converts communications bus data into I2C or SM bus data or vice versa |
| 04/05/2006 | EP1643658A1 Power line communication method |
| 04/05/2006 | EP1563614A4 Automated system and method for management of digital subscriber lines |
| 04/05/2006 | EP1322970B1 Method and device for measuring a line attenuation |
| 04/05/2006 | EP0956676B1 Method and device in a communication system |
| 04/05/2006 | CN1757173A Power supply line communication modem and power supply line communication system |
| 04/05/2006 | CN1756113A Bus system protective device |
| 04/05/2006 | CN1756112A Method for monitoring power line communication network status |
| 04/05/2006 | CN1756111A Modem for power line communication and signal superposition method |
| 04/05/2006 | CN1756110A Power line communication system and its operating method |
| 04/05/2006 | CN1756109A Method for counteracting public telephone network circuit echo |
| 04/05/2006 | CN1249929C Amplitude limiter for predicting parallel branch and amplitude limiting method |
| 04/04/2006 | US7024599 System and method for non-causal channel equalization |
| 04/04/2006 | US7024164 Radio communication apparatus |
| 04/04/2006 | US7024159 Extension set for a DVB-T-receiver |
| 04/04/2006 | US7024003 Wireless speaker system suitable for hard-wired audio system |
| 04/04/2006 | US7024002 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
| 04/04/2006 | US7023986 Echo canceller in a communication system at a terminal |
| 04/04/2006 | US7023938 Receiver for discrete multitone modulated signals having window function |
| 04/04/2006 | US7023912 Hybrid adaptive equalizer for optical communications systems |
| 04/04/2006 | US7023911 Method and apparatus for altering a round trip delay measurement in a telecommunication system to accurately position an echo canceller |
| 04/04/2006 | US7023908 DSL transmission system with far-end crosstalk compensation |
| 04/04/2006 | US7023868 Voice gateway with downstream voice synchronization |
| 04/04/2006 | US7023812 System and method for improving modem transmission through private branch exchanges, central offices, and other systems |
| 04/04/2006 | US7023324 Power-line carrier communication apparatus |
| 04/04/2006 | US7023318 Locking system, especially for motor vehicles |
| 04/04/2006 | US7023265 Equalizing method in receivers using a combination of multiple carrier and code division multiple access modulating techniques |
| 04/04/2006 | US7023236 Data transmission system and cable |
| 03/30/2006 | WO2006034323A2 Communication and ac power system |
| 03/30/2006 | WO2006033745A1 System and method for authenticating/registering network device in power line communication (plc) |
| 03/30/2006 | WO2005089064A3 Line sensor selection for quantifying alien crosstalk in a shared communications medium |
| 03/30/2006 | WO2004114684A3 Method and apparatus for non-centralized network bandwidth management |
| 03/30/2006 | WO2004021679A3 Echo detector having correlator with preprocessing |
| 03/30/2006 | US20060068700 Method and system for broadcasting data messages to a vehicle |
| 03/30/2006 | US20060067542 Feed forward equalizer |
| 03/30/2006 | US20060067255 Telephone terminal, telephone system using telephone terminal and control method of telephone terminal |
| 03/30/2006 | US20060067254 Triband passive signal receptor network |
| 03/30/2006 | US20060067206 Method and apparatus for communication in a system employing differing transmission protocols |
| 03/30/2006 | DE102004042994A1 Echo signal portion suppression method for use in transmitter/receiver device, involves subtracting one partial signal from another signal to form output signal having only information signal portion without echo signal portion |
| 03/30/2006 | DE102004027919B3 Verfahren zur Korrektur des Einflusses von Signalübertragungsleitungen auf Signallaufzeitänderungen bei Ultraschallmessungen A method for correcting the influence of signal transmission lines on signal propagation time changes in ultrasonic measurements |
| 03/30/2006 | DE102004025056B4 Verfahren und Vorrichtung zur Gewährleistung eines Zugriffsschutzes in einem Shared-Medium-Netz Method and apparatus for ensuring access protection in a shared-medium network |
| 03/30/2006 | DE10008071B4 Verfahren und Vorrichtung zur Fehlerortung mittels schaltbarer Prüfschleifen in einem digitalen Übertragungssystem Method and apparatus for locating faults using switchable test loops in a digital transmission system |
| 03/30/2006 | CA2580547A1 Multi-equalization method and apparatus |
| 03/29/2006 | EP1641204A2 Method and apparatus for adjustment of a transversal filter |
| 03/29/2006 | EP1641203A2 Method for adjustment of a transversal filter |
| 03/29/2006 | EP1641138A1 Signal filling/extraction device |
| 03/29/2006 | EP1641137A1 Method enabling multiple communication nodes to access a transmission means on an electrical grid |
| 03/29/2006 | EP1641136A1 Cable interface for data and power supply |
| 03/29/2006 | EP1639799A2 Statistical adaptive-filter controller |
| 03/29/2006 | EP1639732A2 Apparatus, and associated method, for testing a mobile terminal in test conditions that emulate an operating environment |
| 03/29/2006 | CN1248426C Cable interface for data and power supply |
| 03/29/2006 | CN1248075C Yarn processing system |
| 03/28/2006 | US7020466 Mobile radiotelephone connecting apparatus and mobile radiotelephone connecting system |
| 03/28/2006 | US7020294 Method for active noise cancellation using independent component analysis |
| 03/28/2006 | US7020279 Method and system for filtering a signal and for providing echo cancellation |