Patents for H04B 3 - Line transmission systems (31,523) |
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12/14/2011 | CN202075963U 结合电力线通信传输的显示装置 The display device combined transmission power line communication |
12/14/2011 | CN1498459B 变电站及其设置方法和在控制单元之间传送信号的方法 Substation and setting method and a method for transmitting signals between the control unit |
12/14/2011 | CN102282776A 通信方法和系统 Communication method and system |
12/14/2011 | CN102282775A 用于数据传输的方法及装置 Method and apparatus for data transmission |
12/14/2011 | CN102282774A 折叠顺序自适应均衡器 Fold sequence adaptive equalizer |
12/14/2011 | CN102282036A 车辆、通信系统和通信装置 Vehicle, communication system and communication apparatus |
12/14/2011 | CN102281223A 全数字最小频移键控电力载波装置 Minimum Shift Keying Digital Power Line Carrier device |
12/14/2011 | CN102281083A 一种光伏发电系统的电流环通讯电路 A photovoltaic power generation system of the current loop communication circuit |
12/14/2011 | CN101176269B 用于建筑物和工业电气系统的总线调制解调器 Electrical systems for buildings and industrial bus modem |
12/13/2011 | US8078139 Wireless data communications network system for tracking container |
12/13/2011 | US8078099 System and method for identifying the path or devices on the path of a communication signal using (1+r(t)) amplitude modulation |
12/13/2011 | US8077876 Delivery system, transmission apparatus, and delivery method |
12/13/2011 | US8077762 PHY control module for a multi-pair gigabit transceiver |
12/13/2011 | US8077643 Systems and methods for synchronizing audio signals of a communication device |
12/13/2011 | US8077642 Methods and apparatus for signal echo cancellation and transmitter calibration in full duplex systems |
12/13/2011 | US8077641 Echo cancellation for channels with unknown time-varying gain |
12/13/2011 | US8077021 Dynamic tactile interface |
12/13/2011 | US8077020 Method and apparatus for tactile haptic device to guide user in real-time obstacle avoidance |
12/13/2011 | US8077019 Method of associating groups of classified source addresses with vibration patterns |
12/13/2011 | US8076991 Frequency hopping band-stop filter |
12/13/2011 | US8076990 Communications medium connector with integrated common-mode noise suppression |
12/13/2011 | US8076793 Magnetic isolation of power sourcing equipment control circuitry |
12/13/2011 | CA2608603C Method and apparatus for performing the register functions for a plurality of metering devices at a common node |
12/11/2011 | CA2742667A1 Systems and methods employing time domain reflectometry |
12/08/2011 | WO2011152768A1 Method and arrangement in a dsl vectoring system |
12/08/2011 | WO2011151614A1 Network testing |
12/08/2011 | WO2011151613A1 Signal processing apparatuses and methods for identifying cable connections between ports |
12/08/2011 | WO2011151158A1 System and method for transporting electric power and providing optical fiber communications under sea water |
12/08/2011 | WO2011151093A1 Power line communication coupler |
12/08/2011 | WO2011150820A1 Extended digital subscriber line system, signal transmission method, transmission apparatus and receiving apparatus |
12/08/2011 | WO2010083321A9 Distributed sensing of signals linked by sparse filtering |
12/08/2011 | US20110301944 Diver audio communication system |
12/08/2011 | US20110299810 Modular outlet |
12/08/2011 | US20110299696 Method and system for controlling amplifiers |
12/08/2011 | DE102010023111A1 Verfahren zum Ein- und Auskoppeln von Signalen bzw. Daten in ein bzw. aus einem elektrischen Energienetz Method for coupling of signals and data into and out of an electric power system |
12/08/2011 | DE102008003199B4 Kommunikationsvorrichtung Communication device |
12/07/2011 | EP2393222A1 System and method for transporting electric power and providing optical fiber communications under sea water |
12/07/2011 | EP2393221A1 Undersea power distribution system |
12/07/2011 | EP2393220A1 Undersea optical and electrical distribution apparatus |
12/07/2011 | EP2393214A1 Method for transmitting a signal via a power line network, transmitter, receiver, power line communication modem and power line communication system |
12/07/2011 | EP2393213A1 Power line communication adaptor |
12/07/2011 | EP2393212A1 Network testing |
12/07/2011 | EP2392077A2 Modem for transmitting data over a power supply network |
12/07/2011 | EP2392076A1 Crosstalk coefficient updating in vector transmission |
12/07/2011 | CN202068528U 多源异动信号监测系统集成接口装置 Multi-source movement signal monitoring system integrated interface device |
12/07/2011 | CN202068415U Power carrier communication circuit of non-polarity connection |
12/07/2011 | CN202068414U Control and communication device of lamp |
12/07/2011 | CN202068413U 一种载波与工频双通道通信装置 One kind of carrier-frequency and dual-channel communication device |
12/07/2011 | CN1799207B 通过电力线进行数据通信的系统和方法 System and method for data communication over power lines |
12/07/2011 | CN1744450B 用于电力线通信的耦合网络 Coupling for power line communication network |
12/07/2011 | CN102271010A 具有电力线繁忙检测的电力载波芯片 Power line carrier chip has a power line busy detection |
12/07/2011 | CN102271009A 均衡系统 Equalization system |
12/07/2011 | CN102270801A 模块化插座 Modular jack |
12/07/2011 | CN101645613B 一线通数码开关 Personal Emergency Digital Switch |
12/07/2011 | CN101262530B 一种消除移动终端回音的装置 A mobile terminal device to eliminate echo |
12/07/2011 | CN101123452B 回声消除设备中用于改进的重话免疫的延迟自适应结构 Adaptive echo cancellation delay construction equipment in harsh words for the improved immune |
12/06/2011 | US8073570 Hybrid air-conditioning system and method for controlling the same |
12/06/2011 | US8073384 Optimization of redundancy and throughput in an automated meter data collection system using a wireless network |
12/06/2011 | US8073155 System for reproducing audio information corresponding to a position within a displayed image |
12/06/2011 | US8073147 Dereverberation method, apparatus, and program for dereverberation |
12/06/2011 | US8073136 Methods and systems for compensating for alien crosstalk between connectors |
12/06/2011 | US8073133 Echo canceler and echo canceling method |
12/06/2011 | US8073043 Method for reliable injection of deterministic jitter for high speed transceiver simulation |
12/06/2011 | US8072323 Power-line carrier communication apparatus |
12/06/2011 | CA2453066C Electric circuit providing selectable short circuit for instrumentation applications |
12/01/2011 | WO2011149677A1 Communication system and method for rail vehicle |
12/01/2011 | WO2011149089A1 Power line communication device, security level setting method, and security level setting program |
12/01/2011 | WO2011147726A1 Power/data coupler with low‑frequency flux cancellation |
12/01/2011 | WO2011097046A3 Conductive line communication apparatus and conductive line radar system and method |
12/01/2011 | WO2010105624A9 Heating apparatus for arranging under a table |
12/01/2011 | US20110293104 Audio communication device and method using fixed echo cancellation filter coefficients |
12/01/2011 | US20110291833 Intercom exchange |
12/01/2011 | US20110291774 Equalizer and method of equalizing signals |
12/01/2011 | DE102010000533B4 Steuergerät zum Übertragen einer Steuerinformation an eine Lampeneinheit sowie Verfahren zum Betreiben eines solchen Steuergerätes Control unit for transmitting a control information to a lamp unit and method of operating such control device |
11/30/2011 | EP2391066A1 Communication device for household electric appliances and monitoring system using said device |
11/30/2011 | EP2391031A1 Low power mode for vectored data transmission |
11/30/2011 | CN202059576U 一种多分区智能音响服务系统 A multi-partition intelligent sound service system |
11/30/2011 | CN202059411U 宽带电力线通信设备的信息读取修改装置 Information broadband powerline communications equipment to read the modifying means |
11/30/2011 | CN202059410U 一种电网集中器 One kind of power concentrator |
11/30/2011 | CN202059409U 零线-数据线耦合方式的低压电力线通信系统 Zero line - Data line coupling of low voltage power line communication system |
11/30/2011 | CN202059408U 低压电网数据交换系统 Low Power Data Exchange System |
11/30/2011 | CN202059407U 一种油田plc通信设备 One kind of communication device oilfield plc |
11/30/2011 | CN202059406U 一种用于低压电力线载波信道的特征分析仪 A low voltage power line carrier channel analyzer features |
11/30/2011 | CN202059405U 双路adsl/vdsl合一分离器 Dual adsl / vdsl one splitter |
11/30/2011 | CN202058301U Intelligent controller of household electrical appliance |
11/30/2011 | CN1689292B 具有虚拟并联均衡器的通信接收机 Communication receiver having a virtual parallel equalizers |
11/30/2011 | CN102265559A 互联网数据传输装置、传输线以及eoc设备 Internet data transmission apparatus, transmission lines and equipment eoc |
11/30/2011 | CN102265522A 具有载波电流的电子设备 Electronic device having a carrier current |
11/30/2011 | CN102265469A 电插座系统内部的无线收发器 Electrical socket of a wireless transceiver within the system |
11/30/2011 | CN102263715A 载波解调方法及电路 Carrier demodulation method and circuit |
11/30/2011 | CN102263575A 传输设备和方法、接收设备和方法、以及传输/接收设备 Transmission apparatus and method, a receiving apparatus and method, and a transmission / reception device |
11/30/2011 | CN101179298B 支持电力线和数字用户线接入的调制解调装置及实现方法 Support power lines and digital subscriber line access modem apparatus and method for realization |
11/29/2011 | US8068927 Changing time intervals of the occurrence of audio information from local and remote sites |
11/29/2011 | US8068807 System for supplying container security |
11/29/2011 | US8068783 Adaptive echo cancellation for an on-frequency RF repeater using a weighted power spectrum |
11/29/2011 | US8068538 Jitter measuring apparatus, jitter measuring method and test apparatus |
11/29/2011 | US8068406 Method and system for crosstalk cancellation |
11/29/2011 | US8067945 Method and apparatus for monitoring a material medium |
11/29/2011 | CA2454975C Concurrent phase communication in twacs |
11/26/2011 | CA2705617A1 Installation process for an external intercom camera and the likes and external intercom system resulting therefrom |