| Patents for H04B 3 - Line transmission systems (31,523) |
|---|
| 08/19/2009 | CN100530998C Echo Eliminator with echo path change detector |
| 08/19/2009 | CN100530457C Highly insulated inductive data couplers |
| 08/18/2009 | US7577668 Information transmission system and information transmission method |
| 08/18/2009 | US7577261 Wireless audio system using wireless local area network |
| 08/18/2009 | US7577260 Method and apparatus to direct sound |
| 08/18/2009 | US7577223 Multiplexed RF isolator circuit |
| 08/18/2009 | US7577205 Return-loss compliant DSL modem line interface unit with complex termination |
| 08/18/2009 | US7577203 Minimizing non-deterministic noise by using wavelet transform |
| 08/18/2009 | US7577190 Method for prediction of a channel coefficient |
| 08/18/2009 | US7577104 Current imbalance compensation for magnetics in a wired data telecommunications network |
| 08/18/2009 | US7577084 ISDN crosstalk cancellation in a DSL system |
| 08/18/2009 | US7576624 System and method for extending universal bus line length |
| 08/18/2009 | US7576447 Control and supply system |
| 08/13/2009 | WO2009098581A2 Communication device for household electric appliances and monitoring system using said device |
| 08/13/2009 | WO2009097765A1 Method, equipment and system for line management |
| 08/13/2009 | WO2007120610A3 System and method for combining signals on a differential i/o link |
| 08/13/2009 | US20090202086 Audio processing apparatus |
| 08/13/2009 | US20090202003 Compensation of ethernet transmit baseline wander |
| 08/13/2009 | US20090201979 Method and Device for Checking a Subscriber Line |
| 08/13/2009 | US20090201123 Sensor network for liquid drainage systems |
| 08/13/2009 | US20090201098 Active nonlinear transmission line |
| 08/13/2009 | DE102008039330A1 Vorrichtung und Verfahren zum Berechnen von Filterkoeffizienten zur Echounterdrückung Apparatus and method for computing filter coefficients for echo suppression |
| 08/12/2009 | EP2088686A1 Frequency spectrum management method and device |
| 08/12/2009 | EP2088685A1 Information transmission system and information transmission method |
| 08/12/2009 | EP2088684A1 Information transmission system and information transmission method |
| 08/12/2009 | EP2087608A1 Method, arrangement and device for the precompensation of crosstalk in a dsl mimo system |
| 08/12/2009 | EP2087607A2 Signal transmission system |
| 08/12/2009 | EP1985029A4 Method of data communication between plc stations belonging to different plc cells and apparatus thereof |
| 08/12/2009 | EP1714398B8 Echo canceller with interference-level controlled step size |
| 08/12/2009 | EP1706972A4 Ultra-wideband communication through twisted-pair wire media |
| 08/12/2009 | EP1350153A4 System and method for device co-location discrimination |
| 08/12/2009 | EP1233539B1 Receiver and adaptive equalizing method |
| 08/12/2009 | CN201290192Y Road lamp switch controller |
| 08/12/2009 | CN201289938Y Plug with electric energy metering terminal |
| 08/12/2009 | CN101505177A Method, apparatus and system for circuit management |
| 08/12/2009 | CN101505175A Coupler for coupling a data signal to a power transmission cable |
| 08/12/2009 | CN101505174A Interface circuit and method for suppressing electromagnetic interference |
| 08/11/2009 | US7574730 Device and system for reducing confluence noise |
| 08/11/2009 | US7574139 Carrier-suppressed optical time domain multiplexing |
| 08/11/2009 | US7574005 Howling frequency component emphasis method and apparatus |
| 08/11/2009 | US7573941 Circuit for generating dying gasp signals and electronic device utilizing the same |
| 08/11/2009 | US7573937 Phase rotator control test scheme |
| 08/11/2009 | US7573839 Line driver for an adaptive hybrid circuit |
| 08/10/2009 | CA2596369A1 Systems and methods for distributed series compensation of power lines using passive devices |
| 08/06/2009 | WO2009097243A1 Method and system for detecting non-linear devices |
| 08/06/2009 | WO2009095161A1 Apparatus and method for computing filter coefficients for echo suppression |
| 08/06/2009 | WO2009094885A1 Crosstalk eliminating method and device |
| 08/06/2009 | US20090196358 Method and Apparatus for Signal Transmission |
| 08/06/2009 | US20090196333 Channel Estimation for High Data Rate Transmission Using Multiple Control Channels |
| 08/06/2009 | US20090195354 Authenticating a signal based on an unknown component thereof |
| 08/06/2009 | US20090195192 Smart light |
| 08/06/2009 | US20090195064 Smart control device |
| 08/06/2009 | DE102008007023A1 Verfahren und System zur Spannungsversorgung von Flugzeugkabinenmodulen Method and system for power supply of aircraft cabin modules |
| 08/06/2009 | CA2713450A1 Apparatus and method for computing filter coefficients for echo suppression |
| 08/05/2009 | EP2086128A1 System and method for boosting and monitoring |
| 08/05/2009 | CN201285591Y Anti-theft alarm host system for road lamp cable wire |
| 08/05/2009 | CN201285577Y Anti-theft alarm sub-machine system for road lamp electric cable |
| 08/05/2009 | CN201284168Y Elevator GSM report apparatus |
| 08/05/2009 | CN101502054A A device and a method for providing electrical energy to an actuator, and an actuator system |
| 08/05/2009 | CN101502017A Method and modem for subsea power line communication |
| 08/05/2009 | CN101502016A Power line communication device for subsea well |
| 08/05/2009 | CN101501476A Passive intermodulation distortion measuring method and system |
| 08/05/2009 | CN101500357A Center control system |
| 08/05/2009 | CN101500356A Road lamp remote monitoring terminal and method |
| 08/05/2009 | CN101500355A Single lamp energy saving controller for road lamp and control method |
| 08/05/2009 | CN101499823A Power line carrier communication apparatus and method |
| 08/05/2009 | CN101499822A Outputting power regulating system and method for terminal port on Ethernet switch |
| 08/05/2009 | CN101499821A Design method for long distance 40G QSFP communication active copper cable component |
| 08/05/2009 | CN101499657A Remote wired, wireless wideband network and electrical power system |
| 08/05/2009 | CN101498916A Virtual digital switch apparatus, system and method for electric appliance |
| 08/05/2009 | CN100525134C Information transmission system and information transmission method |
| 08/05/2009 | CA2650943A1 Power line communication |
| 08/04/2009 | US7570927 Decentralized wireless communication network and method having a plurality of devices |
| 08/04/2009 | US7570714 Data transfer apparatus for low voltage differential signaling |
| 08/04/2009 | US7570701 Multi-pair gigabit ethernet transceiver |
| 08/04/2009 | US7570686 Systems and methods for establishing a diagnostic transmission mode and communicating over the same |
| 08/04/2009 | US7570685 System, method and apparatus for crosstalk cancellation |
| 08/04/2009 | US7570656 Channel access method for powerline carrier based media access control protocol |
| 08/04/2009 | US7570608 Echo canceller disabler for modulated data signals |
| 08/04/2009 | CA2619430A1 Selective phase coupler |
| 07/30/2009 | WO2009092444A1 Method and arrangement for data transmission in a power supply network |
| 07/30/2009 | WO2009054547A3 Communication apparatus, communication method and integrated circuit |
| 07/30/2009 | WO2009021649A8 A device and associated method for measuring crosstalk |
| 07/30/2009 | US20090193472 Video and audio network distribution system |
| 07/30/2009 | US20090190769 Sound quality by intelligently selecting between signals from a plurality of microphones |
| 07/30/2009 | US20090190674 Method and apparatus to inject noise in a network system |
| 07/30/2009 | US20090190673 Power line communication apparatus, integrated circuit for power line communication and transmission/reception methods |
| 07/30/2009 | US20090190643 Carrier phase independent symbol timing recovery methods for vsb receivers |
| 07/30/2009 | US20090190642 Interpolating GRAKE with Two Step Delay Hypothesis Testing |
| 07/30/2009 | US20090190640 Radio Frequency Integrated Circuit with On-Chip Noise Source for Self-Test |
| 07/30/2009 | US20090190635 Transceiver for communicating over different media types |
| 07/30/2009 | US20090189748 Device for and method of processing an audio signal and/or a video signal to generate haptic excitation |
| 07/30/2009 | US20090189747 Control mechanism for an electrical appliance and method for operating the control |
| 07/30/2009 | US20090189442 Systems and methods for powering circuits for a communications interface |
| 07/29/2009 | EP2082491A1 Installation and method for operating an installation |
| 07/29/2009 | EP2007047A9 Communication device enabling temporal coexistence between systems |
| 07/29/2009 | EP2007028A9 Receiver |
| 07/29/2009 | EP1350339B1 Double-talk and path change detection using a matrix of correlation coefficients |
| 07/29/2009 | CN101496301A Systems and methods for electricity metering |
| 07/29/2009 | CN100521569C Communication device for lift |