Patents
Patents for H04B 3 - Line transmission systems (31,523)
02/2011
02/17/2011DE102009026255A1 Vorrichtung zur Verbindung von nach verschiedenen Verfahren arbeitenden Systemen zur Übermittlung von Informationen über eine Stromleitung in einem Wechselspannungsstromnetz Device for connecting operating according to different processing systems for the transmission of information via a power line in an AC mains
02/16/2011EP1958328B1 Signal output circuit, communication apparatus and signal output control method
02/16/2011CN201750594U LED street lamp control system
02/16/2011CN201750520U Wired intercom device for short haul call in oil field
02/16/2011CN201750437U Double-mode multifrequency power line carrier wave modem
02/16/2011CN201750433U Architectural energy consumption data acquisition device
02/16/2011CN201750411U LAN (local area network) type broadband wiring module
02/16/2011CN201748188U Electric carrier wave intelligent illuminating system
02/16/2011CN1943163B Dual mode Ethernet power controller
02/16/2011CN101978614A Low voltage control interface coupler for multipulse transmitter
02/16/2011CN101978613A Signal repeater system arrangement for stable data communication
02/16/2011CN101978612A Signal and devices for wired networks
02/16/2011CN101977292A Power carrier-based home digital television system and multi-television channel selection method
02/16/2011CN101977067A Low-power consumption power carrier communication circuit and method
02/16/2011CN101268614B Adaptive digital filter, FM receiver, signal processing method, and program
02/16/2011CN101227518B ADSL/VDSL segregator multi module automatic detection system
02/15/2011US7889866 Information leakage prevention apparatus and information leakage prevention method
02/15/2011US7889784 Multicarrier modulation messaging for SNR per subchannel during showtime information
02/15/2011US7889134 Circuit and method for suppression of electromagnetic coupling and switching noise in multilayer printed circuit boards
02/15/2011US7889053 Remote, non-contacting personnel bio-identification using microwave radiation
02/15/2011US7889021 Reception of wideband signals with high temperature superconducting components to reduce co-site interference
02/15/2011US7889020 Asymmetrical filter
02/10/2011WO2011016689A2 Apparatus and method for transmitting and receiving time broadcasting information using power line
02/10/2011WO2011016466A1 Power line communication device, power supply circuit with communication function, electrical appliance, and control-monitoring system
02/10/2011US20110035170 Time-of-Flight Measurement Based on Transfer Function and Simulated Exponential Stimulus
02/10/2011US20110033061 Audio signal processing device, audio signal processing system, and audio signal processing method
02/10/2011US20110032976 Start-up Procedure Method and Timing Recovery for Receiver of Communication System
02/10/2011US20110032090 Active Handrest For Haptic Guidance and Ergonomic Support
02/10/2011US20110032089 Method for providing human input to a computer
02/10/2011US20110031996 Low-jitter high-frequency clock channe
02/10/2011DE202005021878U1 Tiefpass-Filter zum Filtern des Schaltrauschens in einem pulsweiten modulierten Sendesignal Low-pass filter for filtering the switching noise in a pulse width modulated transmit signal
02/10/2011DE102009035169A1 Verfahren zur Einstellung der Ansteuerung mehrerer Leuchten Method for setting the control of several luminaires
02/09/2011EP2282411A2 Device for transferring information over a power supply line in an alternating current grid
02/09/2011EP2282410A2 Device for connecting systems which operate using different methods to transfer information through a power supply line into an alternating current electricity network
02/09/2011EP2282409A1 Method, equipment and system for channel estimation
02/09/2011EP2281350A1 Echo cancellation for dvb repeaters
02/09/2011EP2074705B1 Method and devices for estimating crosstalk coefficients when a line is taken into operation
02/09/2011EP1464147B1 Timing control in data receivers and transmitters
02/09/2011EP1125275B1 Background energy estimation
02/09/2011CN201742402U Power carrier in-series coupling circuit
02/09/2011CN201742401U Wireless signal transfer system
02/09/2011CN201741192U Parking lot management system
02/09/2011CN1874172B Method, system and equipment for carrying out data transmission through circuit of electric current loop
02/09/2011CN101971535A Communication method and power line communication terminal
02/09/2011CN101969713A LED street lamp control system based on electric power carrier communication technology
02/09/2011CN101969323A High-speed modem
02/09/2011CN101969296A Power line carrier communication-based impedance adaptive power amplifier circuit and realization method thereof
02/09/2011CN101069363B Method and apparatus for waking a person
02/08/2011US7885634 High frequency signal hub
02/08/2011US7885601 Radio node apparatus, multi-hop radio system, and multi-hop radio system constructing method
02/08/2011US7885402 Gain control
02/08/2011US7885322 Jitter measuring circuit
02/08/2011US7885250 Method and apparatus for synchronization over 802.3AF
02/03/2011WO2011013716A1 Communication system and communication terminal
02/03/2011WO2011013705A1 Monitor/control device and monitor target device
02/03/2011WO2011012573A1 Module for managing lampposts and services, and telemanagement system comprising at least one such module
02/03/2011US20110028084 System and method for interrupting communications within a communication system
02/03/2011US20110026728 Audio Output Device
02/03/2011US20110026727 Intelligent network communication device in an audio video distribution system
02/03/2011US20110026726 Wireless headphone integrated with an adjustment control device
02/03/2011US20110026571 Automatic gain controller, transceiver and automatic gain-control method thereof
02/03/2011US20110026569 Systems and methods for loop length and bridged tap length determination of a transmission line
02/03/2011US20110025608 Tactile display control
02/03/2011US20110025480 Mobile device and method for controlling vibration thereof
02/03/2011US20110025479 Apparatus and method for generating vibration pattern
02/03/2011US20110024560 Equipment holder with optional grid function
02/03/2011CA2805973A1 Module for managing lampposts and services, and telemanagement system comprising at least one such module
02/02/2011EP2280496A1 Wireless relay device
02/02/2011EP2280493A2 Security related communication process on power supply lines and an appropriate network
02/02/2011EP2279567A1 Method and device for processing data and system comprising such a device
02/02/2011CN201733509U Control repeater of power line carrier electrodeless lamp
02/02/2011CN201733508U Electric line carrier electrodeless lamp control receiver
02/02/2011CN201733503U LED (light-emitting diode) street lamp direct-current electric carrier control device
02/02/2011CN201733393U Bidirectional amplifier for alteration of cable television Ethernet coaxial cable transmission networks
02/02/2011CN201733300U 工业载波数据串口转换器 Industrial carrier data serial converter
02/02/2011CN101964670A Echo suppression method and apparatus thereof
02/02/2011CN101964669A Underground communication system
02/02/2011CN101227295B Ethernet transmission method and Ethernet transmitting/receiving device based on coaxial cable network
02/01/2011US7881664 Personal wireless communication device connectivity arrangement within an RF restricted environment
02/01/2011US7881462 Outlet add-on module
02/01/2011US7881363 Data transmission rate adjustment system and method thereof
02/01/2011US7880474 Distributed network repeater system
02/01/2011US7880324 Transmitter with a remote unit in an electric net data transmission system
01/2011
01/27/2011WO2011011572A1 Improved packet detector
01/27/2011WO2011011162A1 System, device and method for providing power line communications
01/27/2011WO2011010960A1 Device and method for controlling damping of residual echo
01/27/2011WO2011010432A1 Base station and client device
01/27/2011WO2011009244A1 Method and system for implementing wireless communication signal coverage
01/27/2011US20110022904 Modem-assisted bit error concealment for audio communications systems
01/27/2011US20110019833 Apparatus and method for computing filter coefficients for echo suppression
01/27/2011US20110019832 Sound processor, sound processing method and recording medium storing sound processing program
01/27/2011US20110019831 Echo Suppression Method and Apparatus Thereof
01/27/2011US20110019726 Method and apparatus for performing log-likelihood calculations
01/27/2011US20110019724 Phy control module for a multi-pair gigabit transceiver
01/27/2011US20110019598 Systems, Circuits and Methods for Dual Transformer Duplexing
01/27/2011US20110019595 Methods and apparatus to retrofit wired healthcare and fitness systems for wireless operation
01/27/2011US20110018650 Localized Wave Generation Via Model Decomposition of a Pulse by a Wave Launcher
01/27/2011DE102009034801A1 Verfahren zur Ansteuerung einer Leuchte A method for control of a luminaire
01/26/2011EP2278790A2 Automatic equalization of video signals
01/26/2011EP2278785A1 High Speed Multiple Loop DSL System
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