Patents for H04B 3 - Line transmission systems (31,523) |
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02/21/2012 | US8121180 Automatic output drive level control in home networking transceiver |
02/21/2012 | US8121179 Wireless relay device and wireless relay method |
02/21/2012 | US8120460 Electronic key provisioning |
02/21/2012 | US8120442 Semiconductor device |
02/16/2012 | WO2012021774A2 Systems and methods for downhole ofdm communications |
02/16/2012 | WO2012021770A1 Agile switched-load resonating transmitter for passband power line communication |
02/16/2012 | WO2012021299A1 Digital two way automatic communication system (twacs) outbound receiver and method |
02/16/2012 | US20120040757 Apparatus and method of audio reproduction |
02/16/2012 | US20120040606 Outdoor lighting systems and methods for wireless network communications |
02/16/2012 | US20120039374 Time-domain searching in a test and measurement instrument |
02/16/2012 | US20120039372 Communication Between Modems in XPIC Configuration For Wireless Applications |
02/16/2012 | US20120038468 Multidirectional controller with shear feedback |
02/16/2012 | CA2807495A1 Systems and methods for downhole ofdm communications |
02/16/2012 | CA2807001A1 Digital two way automatic communication system (twacs) outbound receiver and method |
02/15/2012 | EP2417758A1 Method and apparatus for configuring virtual noise parameters of very high speed digital subscriber line |
02/15/2012 | CN202145689U Intelligent illumination Internet of Things system |
02/15/2012 | CN102355405A Method for routing and forwarding packet of power line communication system of low-voltage distribution network |
02/15/2012 | CN102355313A Power line communication method based on channel cognitive technology |
02/15/2012 | CN102355283A ASIC (application-specific integrated circuit) chip applicable to low-voltage power line carrier communication |
02/15/2012 | CN102355282A Method for crosstalk suppression in logout of subscriber in digital subscriber line system |
02/14/2012 | US8116476 Audio signal receiving apparatus, audio signal receiving method and audio signal transmission system |
02/14/2012 | US8116475 Audio generating module |
02/14/2012 | US8116471 Audio signal dereverberation |
02/14/2012 | US8116363 Method of determining true error vector magnitude in a wireless LAN |
02/14/2012 | US8116356 Linear transformation matrices for distributed diversity |
02/14/2012 | US8116240 Bi-directional bridge circuit having high common mode rejection and high input sensitivity |
02/14/2012 | US8116198 Method for configuring a telecommunication system |
02/14/2012 | US8115605 Power line communications device in which physical communications protocol layer operation is dynamically selectable |
02/14/2012 | US8115566 Integrated front-end passive equalizer and method thereof |
02/09/2012 | WO2012017609A1 Adaptive receiver system and adaptive transceiver system |
02/09/2012 | WO2011104060A3 Control device for transmitting an item of control information to a lamp unit and method |
02/09/2012 | US20120033825 Captioned Audio and Content Delivery System with Localizer and Sound Enhancement |
02/09/2012 | US20120033747 Systems and Methods for Powering Circuits for a Communications Interface |
02/09/2012 | US20120033746 Cable system with selective device activation for a vehicle |
02/09/2012 | US20120033745 Power device and safety control method thereof |
02/09/2012 | US20120033744 Method for transmitting discrete electrical signals |
02/09/2012 | US20120033722 Time-Domain Link Adaptation |
02/09/2012 | US20120033089 Audio and/or video transmission system |
02/09/2012 | US20120033081 System, method, and device for intelligence gathering and position tracking |
02/09/2012 | US20120032608 Lighting system communications apparatus and method |
02/09/2012 | DE19944882B4 Anordnung zum Auffinden von eingeschalteten Funktelefonen Arrangement for finding switched cellular phones |
02/09/2012 | DE102010052661B3 Kommunikationssystem zur Steuerung von elektrischen Lasten A communication system for controlling electrical loads |
02/08/2012 | EP2415179A1 Device and system for communicating on a supply line |
02/08/2012 | EP1964286B1 Arrangement for a radio link |
02/08/2012 | EP1423924B1 Equalizer system |
02/08/2012 | CN202143186U 一种电梯语音对讲系统 An elevator speech intercom system |
02/08/2012 | CN202143063U 载波数据传输器 Carrier data transmitter |
02/08/2012 | CN202143062U 一种电力线窄带载波现场测试装置 A power line narrowband carrier field testing device |
02/08/2012 | CN102349239A Method and apparatus for reducing noise in a communication system |
02/08/2012 | CN102347811A Pulse noise detection method of power line communication channel |
02/08/2012 | CN102347786A Power line narrowband carrier field test device applied to low voltage centralized meter reading system |
02/08/2012 | CN102347785A Echo elimination method and device |
02/08/2012 | CN101133632B 包括已知dsl线路扫描能力和坏接头检测能力的dsl系统估计 Including known dsl line scanning capabilities and the ability to detect bad joints dsl system estimation |
02/08/2012 | CN101116371B 带闪光发光二极管的耳机装置 Earphone device with flash light-emitting diodes |
02/07/2012 | US8111764 Method for transmitting channel quality information |
02/07/2012 | US8111761 Method and apparatus for transmitting data and power across a transformer |
02/07/2012 | US8111637 Method, arrangement and device for precompensation of crosstalk in a DSL MIMO system |
02/02/2012 | WO2012016117A1 Systems and methods for downhole instrument communication via power cable |
02/02/2012 | WO2012015714A2 Upbo for vectored dsl |
02/02/2012 | WO2012014502A1 Communication method, communication apparatus, and communication frame generating method |
02/02/2012 | US20120028506 Modular outlet |
02/02/2012 | US20120027218 Multi-Microphone Robust Noise Suppression |
02/02/2012 | US20120027104 Single-wire bus communication protocol |
02/02/2012 | US20120027062 Apparatuses and methods for setting an adaptive frequency band for power line communciation |
02/02/2012 | US20120026926 Low power mode for vectored data transmission |
02/02/2012 | US20120025925 Common mode noise suppression circuit |
02/02/2012 | DE102010034347A1 Verfahren und Vorrichtung zur Kommunikation über eine Lastleitung Method and apparatus for communication via a load line |
02/02/2012 | CA2806569A1 Systems and methods for downhole instrument communication via power cable |
02/01/2012 | EP2413300A2 Method and apparatus for sending and receiving hart communications transmission waveforms |
02/01/2012 | EP2412106A1 Underwater communication system |
02/01/2012 | EP2297866B1 Blind channel quality estimator |
02/01/2012 | EP1851872B1 Method and device for connecting an additional subscriber to a telephone exchange |
02/01/2012 | CN202135124U 一种低压电力线通信系统和设备 A low-pressure power line communication systems and equipment |
02/01/2012 | CN202135123U 一种数字双绞线传输系统 A digital twisted pair transmission system |
02/01/2012 | CN202135122U Signal separator and signal separator assembly |
02/01/2012 | CN102342058A Communication device, communication method, and integrated circuit |
02/01/2012 | CN102341990A Power supply device |
02/01/2012 | CN102340606A Echo canceller |
02/01/2012 | CN102340330A Apparatus and method for noise elimination of connection port of DSL network filter |
02/01/2012 | CN102340329A Automatic switching equipment for power line communication and Ethernet over Coax |
02/01/2012 | CN101218756B 通信设备和通信方法 Communication device and a communication method |
01/31/2012 | US8107967 Relay station in mobile communication system and relay transmission channel setting method |
01/31/2012 | US8107641 Communication system and control method therefor, program, and storage medium |
01/31/2012 | US8107640 Car-use extended device and setting method for operation interface of car-use control system |
01/31/2012 | US8106677 Signal transmitting device suited to fast signal transmission |
01/31/2012 | CA2509391C Fault characterization using information indicative of echo |
01/26/2012 | WO2012012729A2 Reduced memory vectored dsl |
01/26/2012 | WO2012010163A1 Method for evaluating the usability of a sub-carrier of a power-line signal |
01/26/2012 | WO2012010015A1 Switching value controller, interactive terminal and intelligent home control system and method |
01/26/2012 | US20120020416 Flexible cable and transmission system |
01/26/2012 | US20120020400 Method for identifying received symbols corrupted by burst noise and related device |
01/26/2012 | DE102010051710A1 Verfahren zum Bewerten der Nutzbarkeit eines Subträgers eines Powerline-Signals Method for evaluating the usability of a subcarrier of a powerline signal |
01/25/2012 | EP2410665A2 Transmission Scheme for Multi-Input Communication |
01/25/2012 | EP2409412A1 Method and device for cancelling interference between a signal carried by a carrier power line and a signal carried by a telephone line |
01/25/2012 | EP2409411A1 Method and device for reducing interference between a power line carrier signal and a vdsl type signal |
01/25/2012 | EP2408335A1 Heating apparatus for arranging under a table |
01/25/2012 | CN202127490U Medical calling device with automatic failure detection function |
01/25/2012 | CN202127416U Routing module of power line carrier communication ad hoc network |
01/25/2012 | CN202127397U Programmable logic controller (PLC) carrier communication converter |
01/25/2012 | CN1708074B Method for transmitting line signal via line equipment and transmitting equipment |