Patents
Patents for H04B 3 - Line transmission systems (31,523)
06/2014
06/04/2014CN203632787U 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
06/04/2014CN203632698U 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
06/04/2014CN203632666U 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
06/04/2014CN203632665U 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
06/04/2014CN203632664U 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
06/04/2014CN203630216U 一种三相载波通信电能表 A three-phase energy meter carrier communication
06/04/2014CN103843258A Digital subscriber line management using virtual noise calculation
06/04/2014CN103841669A PLC and Zigbee wireless communication conversion routing module
06/04/2014CN103840855A Power line communication method and network device
06/04/2014CN103840854A Electric power modem
06/04/2014CN102684741B Underwater communication device and method
06/04/2014CN101931434B Network data conversion device based on power line carrier communication and conversion method thereof
06/03/2014US8744341 Reporting power headroom for aggregated carriers
06/03/2014US8744340 Method and apparatus of obtaining timing in a repeater
06/03/2014US8744339 Wireless telecommunication system including a base station, relay node and method for global fair scheduling
06/03/2014US8744278 Method for electric power supply of optical receiver, digital signal processing circuit, and optical receiver
06/03/2014US8743975 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system
06/03/2014US8743974 Adaptive modulation and coding with frame size adjustment for power line communications (PLC)
06/03/2014US8743973 Receiver resistor network for common-mode signaling
06/03/2014US8743938 Detecting faults affecting communications links
06/03/2014US8743937 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier DSL environment
06/03/2014US8743931 Systems and methods for a transceiver to transmit or receive test information over a communication channel using multicarrier modulation
06/03/2014US8743928 Adaptive equalizer and operating method thereof
06/03/2014US8740622 Methods and devices for intraoral tactile feedback
06/02/2014DE202013100811U1 Energieversorgungseinrichtung mit Batterieüberwachung Power supply device with battery monitoring
05/2014
05/30/2014WO2014037347A3 Method in a prediction filter, and such a prediction filter
05/30/2014WO2013079391A3 System for an energy management of domestic appliances with a communication bridge, if required, provided by an energy netowrk, and associated method
05/29/2014US20140146963 Detecting Double Talk in Acoustic Echo Cancellation Using Zero-Crossing Rate
05/29/2014US20140146901 Digital transmitter
05/29/2014US20140146900 Building, Transmitting, and Receiving Frame Structures in Power Line Communications
05/29/2014US20140146899 Method and apparatus for data communications over power lines
05/29/2014US20140146898 Method and apparatus for data communications over power lines
05/29/2014US20140146864 Method for detecting leakage in digitally modulated systems
05/29/2014US20140146657 Coordinating transmissions of power line communication (plc) devices
05/29/2014US20140145835 Sensor having an integrated zigbee® device for communication with zigbee® enabled appliances to control and monitor zigbee® enabled appliances
05/29/2014US20140145703 Systems and Methods for Adjusting Signaling Properties Based on Cable Attributes
05/28/2014EP2736177A1 Power-line communication system using a low-voltage/medium-voltage transformer of a power grid
05/28/2014EP2735342A1 Device, system and method for controlling photovoltaic panels
05/28/2014CN203618013U 一种RS485-Profibus PA总线转换器 One kind of RS485-Profibus PA bus converter
05/28/2014CN203618004U 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
05/28/2014CN203617994U Ofdm多载波调制电力数据通信电路 Ofdm multicarrier modulation power data communication circuit
05/28/2014CN103828253A 串扰测量期间的功率调整避免 Power adjustment during the measurement to avoid crosstalk
05/28/2014CN103828252A 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
05/28/2014CN103828250A 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
05/28/2014CN103828230A 使用宽带变换器的宽带多尔蒂放大器 Broadband broadband Doherty amplifier converter
05/28/2014CN103825848A 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
05/28/2014CN103825628A 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
05/28/2014CN102843166B 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
05/28/2014CN102611480B 宽频电力线网络装置 Broadband powerline network device
05/28/2014CN101897160B 通信装置及通信方法 A communication apparatus and communication method
05/28/2014CN101785204B 单一端口信号复示器 Single-port signal repeater
05/27/2014US8738060 Method and system for circulating messages
05/27/2014US8738053 Method and system for finding a threshold for semi-orthogonal user group selection in multiuser MIMO downlink transmission
05/27/2014US8737911 Dual-stage echo cancellation in a wireless repeater using an inserted pilot
05/27/2014US8737634 Wide area noise cancellation system and method
05/27/2014US8737536 Recovery of data from a multi carrier signal
05/27/2014US8737493 Dual-channel receiver for powerline communications
05/27/2014US8737492 Methods, systems and circuits for cancelling reflections on a channel
05/27/2014US8737457 Adaptive smoothing of channel estimates
05/27/2014US8737278 Full duplex wire-line transceiver with echo cancellation line driver
05/27/2014US8736432 Touch sensor having a selectable sensitivity level and method of selecting a sensitivity level of a touch sensor
05/27/2014US8736431 Tactile visual indicator
05/27/2014US8736430 Equipment and method for controlling a wireless communication terminal
05/27/2014US8736343 Signal isolators using micro-transformers
05/27/2014CA2684407C Broadcast download system via broadband power line communication
05/22/2014WO2014077664A1 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
05/22/2014WO2014076942A1 Communication system and terminal device
05/22/2014WO2014076941A1 Communication system and terminal device
05/22/2014WO2014076230A1 Method and system for transmitting video data over a channel for transmission by powerline communication
05/22/2014WO2014076047A1 Method and apparatus for relaying messages in a plc network
05/22/2014WO2014076027A1 A modular electronic apparatus including a plurality of circuit units connected by an internal communication bus
05/22/2014WO2014075829A1 Method and device for determining a length value of a section of a telecommunication line
05/22/2014US20140140699 Method and Device for Transmitting an Optical Digital WDM Signal Over an Optical Transmission Link or a Passive Optical Network
05/22/2014US20140140542 Configurable Audio Transmitter Circuitry
05/22/2014US20140140499 System and Method for the Application of an LMS Method to Updating an Echo Canceller in an ADSL Modem
05/22/2014US20140140419 Configurable, Power Supply Voltage Referenced Single-Ended Signaling with ESD Protection
05/22/2014US20140140187 Method, apparatus and system for supporting non-vector line
05/22/2014US20140140186 Circuit board with low signal far end crosstalk
05/22/2014US20140139326 Apparatus, systems and methods for power line carrier data communication to dc powered electronic device
05/22/2014DE102013018998A1 Automatisches Steuersystem The automatic control system
05/22/2014DE102012006362B4 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
05/21/2014EP2733890A2 Method for topology detection in a low voltage network
05/21/2014EP2733861A1 Communication system and communication device
05/21/2014EP2733860A1 Communication system
05/21/2014EP2733859A1 Communication system and communication apparatus
05/21/2014EP2733858A1 Method and device for determining a length value of a section of a telecommunication line
05/21/2014EP2733857A1 Method and apparatus for relaying messages in a PLC network
05/21/2014EP2733856A1 A modular electronic apparatus including a plurality of circuit units connected by an internal communication bus
05/21/2014EP2733845A1 Motor control device, brushless motor, and motor control system
05/21/2014EP2732559A1 Echo cancellation apparatus, conferencing system using the same, and echo cancellation method
05/21/2014EP2732558A1 Power supply for a discharge produced plasma euv source
05/21/2014EP2732550A1 Broadband doherty amplifier using broadband transformer
05/21/2014CN203608219U 智能化电力猫 Intelligent Power Cat
05/21/2014CN203608199U 一种电力线调制解调器 A power line modem
05/21/2014CN203608198U Ofdm电力线载波通信芯片 Ofdm power line carrier communication chips
05/21/2014CN203608197U 便携式1553b总线电缆测试设备 Portable 1553b bus cable test equipment
05/21/2014CN203608196U 4m传输速率的1553b总线电缆测试系统 1553b bus cable transmission rate test system 4m
05/21/2014CN103814558A 传送装置 Delivery device
05/21/2014CN103812702A 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
05/21/2014CN103812528A 一种直流载波电路 A DC-carrier circuits
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