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