Patents for H04B 3 - Line transmission systems (31,523) |
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06/04/2014 | CN203632787U 一种基于宽带电力载波的可视对讲系统家庭信息控制器 Video intercom systems for home broadband power controller based on information carrier |
06/04/2014 | CN203632698U 基于电力线ofdm多载波调制标准的通信电路 Powerline ofdm based multicarrier modulation standard communication circuit |
06/04/2014 | CN203632666U 基于电力载波通信的矿井救援机器人信号远距离传输系统 Mine rescue robot signal long-distance transmission system based on power line carrier communication |
06/04/2014 | CN203632665U 基于铁路受电弓的中压电力线载波通信系统 Medium voltage power line carrier communication system based railway pantograph |
06/04/2014 | CN203632664U 电能远程采集系统设备的便携式故障检测仪 Power remote collection system equipment, portable fault detector |
06/04/2014 | CN203630216U 一种三相载波通信电能表 A three-phase energy meter carrier communication |
06/04/2014 | CN103843258A Digital subscriber line management using virtual noise calculation |
06/04/2014 | CN103841669A PLC and Zigbee wireless communication conversion routing module |
06/04/2014 | CN103840855A Power line communication method and network device |
06/04/2014 | CN103840854A Electric power modem |
06/04/2014 | CN102684741B Underwater communication device and method |
06/04/2014 | CN101931434B Network data conversion device based on power line carrier communication and conversion method thereof |
06/03/2014 | US8744341 Reporting power headroom for aggregated carriers |
06/03/2014 | US8744340 Method and apparatus of obtaining timing in a repeater |
06/03/2014 | US8744339 Wireless telecommunication system including a base station, relay node and method for global fair scheduling |
06/03/2014 | US8744278 Method for electric power supply of optical receiver, digital signal processing circuit, and optical receiver |
06/03/2014 | US8743975 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system |
06/03/2014 | US8743974 Adaptive modulation and coding with frame size adjustment for power line communications (PLC) |
06/03/2014 | US8743973 Receiver resistor network for common-mode signaling |
06/03/2014 | US8743938 Detecting faults affecting communications links |
06/03/2014 | US8743937 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier DSL environment |
06/03/2014 | US8743931 Systems and methods for a transceiver to transmit or receive test information over a communication channel using multicarrier modulation |
06/03/2014 | US8743928 Adaptive equalizer and operating method thereof |
06/03/2014 | US8740622 Methods and devices for intraoral tactile feedback |
06/02/2014 | DE202013100811U1 Energieversorgungseinrichtung mit Batterieüberwachung Power supply device with battery monitoring |
05/30/2014 | WO2014037347A3 Method in a prediction filter, and such a prediction filter |
05/30/2014 | WO2013079391A3 System for an energy management of domestic appliances with a communication bridge, if required, provided by an energy netowrk, and associated method |
05/29/2014 | US20140146963 Detecting Double Talk in Acoustic Echo Cancellation Using Zero-Crossing Rate |
05/29/2014 | US20140146901 Digital transmitter |
05/29/2014 | US20140146900 Building, Transmitting, and Receiving Frame Structures in Power Line Communications |
05/29/2014 | US20140146899 Method and apparatus for data communications over power lines |
05/29/2014 | US20140146898 Method and apparatus for data communications over power lines |
05/29/2014 | US20140146864 Method for detecting leakage in digitally modulated systems |
05/29/2014 | US20140146657 Coordinating transmissions of power line communication (plc) devices |
05/29/2014 | US20140145835 Sensor having an integrated zigbee® device for communication with zigbee® enabled appliances to control and monitor zigbee® enabled appliances |
05/29/2014 | US20140145703 Systems and Methods for Adjusting Signaling Properties Based on Cable Attributes |
05/28/2014 | EP2736177A1 Power-line communication system using a low-voltage/medium-voltage transformer of a power grid |
05/28/2014 | EP2735342A1 Device, system and method for controlling photovoltaic panels |
05/28/2014 | CN203618013U 一种RS485-Profibus PA总线转换器 One kind of RS485-Profibus PA bus converter |
05/28/2014 | CN203618004U 传输速率可按需调节的远距离有线数据传输装置 Remote transmitting means transmits the wired data rate can be adjusted as needed |
05/28/2014 | CN203617994U Ofdm多载波调制电力数据通信电路 Ofdm multicarrier modulation power data communication circuit |
05/28/2014 | CN103828253A 串扰测量期间的功率调整避免 Power adjustment during the measurement to avoid crosstalk |
05/28/2014 | CN103828252A 用于言语和语言训练的口内触觉生物反馈方法、装置以及系统 Intraoral tactile biofeedback methods for speech and language training, equipment and systems |
05/28/2014 | CN103828250A 用于节省电信系统中的功率的方法 The method of saving power in a telecommunications system for |
05/28/2014 | CN103828230A 使用宽带变换器的宽带多尔蒂放大器 Broadband broadband Doherty amplifier converter |
05/28/2014 | CN103825848A 一种电力线通信系统中信号干扰噪声比的盲估计方法 Estimation Method for power line communication system signal to interference noise ratio |
05/28/2014 | CN103825628A 用于电力线通信网络的先进交换节点选择 Advanced Switching node for selection of a power line communication network |
05/28/2014 | CN102843166B 一种曼彻斯特码井下长距离传输装置及方法 One kind of Manchester code downhole distance transmission device and method |
05/28/2014 | CN102611480B 宽频电力线网络装置 Broadband powerline network device |
05/28/2014 | CN101897160B 通信装置及通信方法 A communication apparatus and communication method |
05/28/2014 | CN101785204B 单一端口信号复示器 Single-port signal repeater |
05/27/2014 | US8738060 Method and system for circulating messages |
05/27/2014 | US8738053 Method and system for finding a threshold for semi-orthogonal user group selection in multiuser MIMO downlink transmission |
05/27/2014 | US8737911 Dual-stage echo cancellation in a wireless repeater using an inserted pilot |
05/27/2014 | US8737634 Wide area noise cancellation system and method |
05/27/2014 | US8737536 Recovery of data from a multi carrier signal |
05/27/2014 | US8737493 Dual-channel receiver for powerline communications |
05/27/2014 | US8737492 Methods, systems and circuits for cancelling reflections on a channel |
05/27/2014 | US8737457 Adaptive smoothing of channel estimates |
05/27/2014 | US8737278 Full duplex wire-line transceiver with echo cancellation line driver |
05/27/2014 | US8736432 Touch sensor having a selectable sensitivity level and method of selecting a sensitivity level of a touch sensor |
05/27/2014 | US8736431 Tactile visual indicator |
05/27/2014 | US8736430 Equipment and method for controlling a wireless communication terminal |
05/27/2014 | US8736343 Signal isolators using micro-transformers |
05/27/2014 | CA2684407C Broadcast download system via broadband power line communication |
05/22/2014 | WO2014077664A1 Down-hole intelligent communication system based on the real-time characterisation of the attenuation of signals in a coaxial cable used as a transmission medium |
05/22/2014 | WO2014076942A1 Communication system and terminal device |
05/22/2014 | WO2014076941A1 Communication system and terminal device |
05/22/2014 | WO2014076230A1 Method and system for transmitting video data over a channel for transmission by powerline communication |
05/22/2014 | WO2014076047A1 Method and apparatus for relaying messages in a plc network |
05/22/2014 | WO2014076027A1 A modular electronic apparatus including a plurality of circuit units connected by an internal communication bus |
05/22/2014 | WO2014075829A1 Method and device for determining a length value of a section of a telecommunication line |
05/22/2014 | US20140140699 Method and Device for Transmitting an Optical Digital WDM Signal Over an Optical Transmission Link or a Passive Optical Network |
05/22/2014 | US20140140542 Configurable Audio Transmitter Circuitry |
05/22/2014 | US20140140499 System and Method for the Application of an LMS Method to Updating an Echo Canceller in an ADSL Modem |
05/22/2014 | US20140140419 Configurable, Power Supply Voltage Referenced Single-Ended Signaling with ESD Protection |
05/22/2014 | US20140140187 Method, apparatus and system for supporting non-vector line |
05/22/2014 | US20140140186 Circuit board with low signal far end crosstalk |
05/22/2014 | US20140139326 Apparatus, systems and methods for power line carrier data communication to dc powered electronic device |
05/22/2014 | DE102013018998A1 Automatisches Steuersystem The automatic control system |
05/22/2014 | DE102012006362B4 Verfahren und Vorrichtung zur Übertragung von Daten mit hohen Datenraten auf Koaxialleitungen Method and apparatus for transmitting data at high data rates on coaxial cables |
05/21/2014 | EP2733890A2 Method for topology detection in a low voltage network |
05/21/2014 | EP2733861A1 Communication system and communication device |
05/21/2014 | EP2733860A1 Communication system |
05/21/2014 | EP2733859A1 Communication system and communication apparatus |
05/21/2014 | EP2733858A1 Method and device for determining a length value of a section of a telecommunication line |
05/21/2014 | EP2733857A1 Method and apparatus for relaying messages in a PLC network |
05/21/2014 | EP2733856A1 A modular electronic apparatus including a plurality of circuit units connected by an internal communication bus |
05/21/2014 | EP2733845A1 Motor control device, brushless motor, and motor control system |
05/21/2014 | EP2732559A1 Echo cancellation apparatus, conferencing system using the same, and echo cancellation method |
05/21/2014 | EP2732558A1 Power supply for a discharge produced plasma euv source |
05/21/2014 | EP2732550A1 Broadband doherty amplifier using broadband transformer |
05/21/2014 | CN203608219U 智能化电力猫 Intelligent Power Cat |
05/21/2014 | CN203608199U 一种电力线调制解调器 A power line modem |
05/21/2014 | CN203608198U Ofdm电力线载波通信芯片 Ofdm power line carrier communication chips |
05/21/2014 | CN203608197U 便携式1553b总线电缆测试设备 Portable 1553b bus cable test equipment |
05/21/2014 | CN203608196U 4m传输速率的1553b总线电缆测试系统 1553b bus cable transmission rate test system 4m |
05/21/2014 | CN103814558A 传送装置 Delivery device |
05/21/2014 | CN103812702A 一个动态指示宽带电力线网络状态的方法 A dynamic network status indication broadband powerline Method |
05/21/2014 | CN103812528A 一种直流载波电路 A DC-carrier circuits |