Patents for H04B 3 - Line transmission systems (31,523) |
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08/02/2012 | US20120195355 Power Distribution Device Communications Platform |
08/02/2012 | US20120194304 Equalizer Circuit and Printed Circuit Board |
08/02/2012 | US20120194291 COMMON-MODE SUPPRESSION FILTER FOR MICROSTRIP 10-Gb/s DIFFERENTIAL LINES |
08/02/2012 | DE112009001930T5 Signalübertragungsvorrichtung Signal transmission device |
08/01/2012 | EP2482468A1 Communications on power systems |
08/01/2012 | EP2481181A1 Method for reducing interferences between a first carrier current signal transmitted between modems of a power grid and a second signal transmitted between modems of another grid |
08/01/2012 | EP1479207B1 Method and system for joint decision feedback equalization and decoding |
08/01/2012 | CN202364383U Depth coverage system for realizing wireless signal to building/home by using CATV (Community Antenna Television) coaxial cables |
08/01/2012 | CN202364213U High voltage direct current remote supply carrier communication circuit |
08/01/2012 | CN202364212U Carrier wave communication device |
08/01/2012 | CN202362666U Control device based on power line carrier communication |
08/01/2012 | CN1954526B Method and apparatus for synchronization over 802.3AF |
08/01/2012 | CN102624539A Multilevel relativity bearing type automatic mapping method for electric power communication network |
08/01/2012 | CN102624451A Power line carrier-based LED visible light communication system |
08/01/2012 | CN102624427A Synchronous transmission system of energy and information |
08/01/2012 | CN102624426A Fire-fighting and lighting intelligent monitoring system on basis of power line communication and implementing method thereof |
08/01/2012 | CN102624425A Power line communication apparatus and noise detection method thereof |
08/01/2012 | CN102621946A Intelligent control device based on Lonworks electric power carrier communication |
08/01/2012 | CN102621386A System and method for measuring high-frequency impedance of low-voltage power line |
08/01/2012 | CN101729928B Sniffing equipment for locating transmission interface, method and sniffing signal transmission equipment |
08/01/2012 | CN101572567B Auto switching method based on circuit high resistant monitoring |
07/31/2012 | US8233635 Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio signal transmission method, and program |
07/31/2012 | US8233634 Video/sound output device and external speaker control device |
07/31/2012 | US8233632 Method and apparatus for multi-channel audio processing using single-channel components |
07/31/2012 | US8233095 Channel scan for terrestrial broadcast digital television receiver |
07/31/2012 | US8232866 Systems and methods for remote long standoff biometric identification using microwave cardiac signals |
07/31/2012 | US8232668 Synchronization point detection method and power line communication apparatus |
07/31/2012 | US8232667 System and method for data transmission over a power line of a switch mode power supply by frequency modulating the switch frequency thereof |
07/31/2012 | CA2476512C Method of transmitting electrical power |
07/26/2012 | WO2012099951A1 Coexistence mechanism for noncompatible powerline communication devices |
07/26/2012 | WO2012099943A1 Interference detection in a powerline communication network |
07/26/2012 | WO2011053212A3 An arrangement and method relating to analysis of transmission lines |
07/26/2012 | US20120190318 Apparatus for transmitting a signal below a current transmit power in a network |
07/26/2012 | US20120189137 Microphone unit, pocket transmitter and wireless audio system |
07/26/2012 | US20120189044 Switching Transistor States to Communicate Faulty Wire in Cable |
07/26/2012 | US20120189042 Building, Transmitting, and Receiving Robust Protocol Data Units in Power Line Communications |
07/26/2012 | US20120188180 Electronic apparatus with haptic feedback and method for providing haptic feedback |
07/26/2012 | US20120188065 Methods and systems for indicating device status |
07/26/2012 | US20120188063 Power line communication system and an intelligent meter |
07/26/2012 | US20120188031 Programmable high-frequency high-gain equalizer for digital display interfaces |
07/26/2012 | US20120188025 Structure and method for reducing em radiation, and electric object and manufacturing method thereof |
07/26/2012 | US20120187905 Communication apparatus |
07/26/2012 | DE112010003507T5 Verfahren und System zum Datenaustausch zwischen einem Fahrzeug und einem Server A method and system for exchanging data between a vehicle and a server |
07/26/2012 | DE102004013606B4 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables |
07/25/2012 | EP2479972A1 Circuit and device for digital subscriber line |
07/25/2012 | EP2202892B1 Echo removal device |
07/25/2012 | CN202353592U Power broadband data exchanger and electricity meter networking system using same |
07/25/2012 | CN202353558U Dual-linear communication system with self-powering function |
07/25/2012 | CN102611481A Power line carrier communication method and power line carrier communication system |
07/25/2012 | CN102611480A Broadband power line networking device |
07/25/2012 | CN101887631B Digital home security management system |
07/25/2012 | CN101710837B 2M signal eye diagram testing method |
07/25/2012 | CN101232384B Method and device for testing switch with Ethernet power supply function |
07/25/2012 | CN101232305B Method and apparatus for adapting Ethernet signal transmission |
07/25/2012 | CN101170322B User line and user circuit testing system and method |
07/24/2012 | US8230470 Full duplex wideband communications system for a local coaxial network |
07/24/2012 | US8229708 Methods and apparatus for signal and interference energy estimation in a communication system |
07/24/2012 | US8229706 Sampling apparatus, sampling method and recording medium |
07/24/2012 | US8229449 Method and system for allocating subcarrier frequency resources for a relay enhanced cellular communication system |
07/24/2012 | US8229350 Method and apparatus related to on-board message repeating for vehicle consist communications system |
07/24/2012 | US8228973 Communication system, communication method for the same and mobile station and base station used for the same |
07/24/2012 | US8228950 Method and device for handling ranging signals in a wireless communications network |
07/24/2012 | US8228202 Transmitting information to a user's body |
07/19/2012 | WO2012096602A1 Crosstalk limitation between modems |
07/19/2012 | WO2012095309A1 Header alignment in communication system |
07/19/2012 | WO2012095122A1 Method and system for communicating data over the power line |
07/19/2012 | US20120185247 Unified microphone pre-processing system and method |
07/19/2012 | US20120183153 Home audio system for operating different types of audio sources |
07/19/2012 | US20120183085 Module for powerline communication transmission |
07/19/2012 | US20120183084 Master communication device in a power line communication system and slave communication device in a power line communication system |
07/19/2012 | US20120182383 Synchronizing media streams using time signal(s) from an independent time source |
07/19/2012 | US20120182135 Haptic feedback device using elecrto-rheological fluid |
07/19/2012 | US20120181878 Direct current power line communication system and direct current power line communication apparatus |
07/19/2012 | US20120181853 Simultaneous distribution of ac and dc power |
07/19/2012 | DE102011011978A1 Method for determination of amplitude and phase noise of measured object, involves determining amplitude/phase noise of measurement signal by cross-correlation of amplitude/phase of complex signals, respectively |
07/18/2012 | EP2477461A1 Illumination unit control system |
07/18/2012 | EP2477339A1 Extended digital subscriber line system, signal transmission method, transmission apparatus and receiving apparatus |
07/18/2012 | EP2476211A1 A method for estimating transmission properties of a telecommunications transmission line |
07/18/2012 | EP1995885B1 Method and device for obtaining crosstalk information |
07/18/2012 | CN202340227U 一种电力线通信设备 Power line communication device |
07/18/2012 | CN202340226U 电力线载波通信性能指标全自动测试装置 Power line carrier communication performance automatic test equipment |
07/18/2012 | CN202340225U 路灯智能管理电力线载波负载阻抗均衡器 Street smart management of power line carrier load impedance equalizer |
07/18/2012 | CN1914855B DSL system estimation and parameter recommendation |
07/18/2012 | CN1897474B Programmable receiver equalization circuitry and methods |
07/18/2012 | CN102598606A 通信系统和通信终端 Communication system and the communication terminal |
07/18/2012 | CN102594411A Transmission device for power line carrier communication |
07/18/2012 | CN102594410A Power line communication equipment based on smartlink technology and communication method thereof |
07/18/2012 | CN102594409A Shared line power supply and information transmission device |
07/18/2012 | CN102594408A Realization method of low-voltage power line communication |
07/18/2012 | CN102594407A Networking framework of three-network access community based on PLC technology |
07/18/2012 | CN102594406A Power line carrier communication system and communication method |
07/18/2012 | CN102594405A Power line carrier communication circuit with self-calibration function |
07/18/2012 | CN102594404A Demodulator circuit for carrier signal of power line and microcontroller |
07/18/2012 | CN102594403A System and method for power line carrier communication environmental testing |
07/18/2012 | CN102592432A Transmission system used for transmitting data telegraph via load lead |
07/18/2012 | CN102592431A Meter reading system and method thereof |
07/18/2012 | CN102590657A Communication capacity test device of intelligent carrier electrical energy meters and test method thereof |
07/18/2012 | CN102589039A Integrated application method for household appliance and power carrier multimedia information platform |
07/18/2012 | CN101917215B Mesh network of intelligent devices communicating via powerline and radio frequency |
07/18/2012 | CN101572484B Switched power supply with data communication function |