Patents
Patents for H04B 3 - Line transmission systems (31,523)
05/2012
05/30/2012CN102484503A 电力线通信网络上的智能电网 Smart Grid on power line communication network
05/30/2012CN102484502A 特别用于配电系统的点到点通信系统 Point to point communication systems, especially for power distribution systems
05/30/2012CN102481856A 用于交通工具与服务器之间的数据交换的方法和系统 The method used to transport data between the server and the system of exchange
05/30/2012CN102480451A 一种数字载波的通信装置及其方法 A communication device and a method for a digital carrier
05/30/2012CN102480310A 动态传输功率控制方法及电力线通信系统 Dynamic transmit power control method and power line communication system
05/30/2012CN102480309A 一种EoC中继器、及中继EoC系统 One kind EoC repeater and relay EoC system
05/30/2012CN101611560B Method and arrangement for controlling adaptive filters
05/30/2012CN101179297B Data receiving device
05/30/2012CN101068117B Wire communication method and system
05/30/2012CN101036313B Power line communication methods and devices
05/29/2012US8190913 System and method for content protection on a computing device
05/29/2012US8190699 System and method of multi-path data communications
05/29/2012US8190083 Methods and apparatus for communicating in a system including relay stations
05/29/2012US8189825 Sound management techniques for vehicles
05/29/2012US8189693 Digital signal transfer method and apparatus
05/29/2012US8189692 Signal transmitter apparatus provided with signal correction circuit for suppressing radiation of electromagnetic waves between transmission lines
05/29/2012US8189651 Measuring Hum in a digital TV signal
05/29/2012US8189650 Startup protocol for high throughput communications systems
05/29/2012US8189622 Method for transmitting pilot allocation information to user equipment in a multi-user multiple input multiple output system
05/29/2012US8189477 Voice and data exchange over a packet based network with timing recovery
05/29/2012US8188844 Reconfigurable tactile interface utilizing active material actuation
05/29/2012US8188843 Haptic device gravity compensation
05/29/2012US8188837 Method of finding a key to a mobile vehicle
05/24/2012WO2012067552A1 MODULAR UNIT FOR SIMULATING PERFORMANCE IN MULTI-LINES DIGITAL SUBSCRIBER LINE (xDSL) SYSTEM
05/24/2012WO2012066950A1 Battery device, battery management system, and battery management method
05/24/2012WO2012065758A1 System for failsafe and redundant transmission of complex data
05/24/2012WO2012065450A1 Device and method for switching interfaces
05/24/2012WO2012041424A9 Wired communications system using beamforming and receiving communication device
05/24/2012WO2012015714A3 Upbo for vectored dsl
05/24/2012US20120128173 Radio system including terrestrial and internet radio
05/24/2012US20120128172 Wireless synchronization mechanism
05/24/2012US20120128168 Method and apparatus for noise and echo cancellation for two microphone system subject to cross-talk
05/24/2012US20120128081 Power line communication device, power supply circuit with communication function, electrical appliance, and control and monitoring system
05/24/2012US20120128080 Apparatus and method for transmitting and receiving time broadcasting information using power line
05/24/2012US20120128079 Dynamic Transmit Power Control Method and Power Line Communication System
05/24/2012US20120128078 Power Quality Device Having Communication Interface
05/24/2012US20120128052 Carrier frequency acquisition method and apparatus having improved reliability for detecting carrier acquisition or loss thereof
05/24/2012US20120128038 Repeater for mimo signals in a network
05/24/2012US20120128037 Asynchronous fifo circuit for long-distance on-chip communication
05/24/2012US20120126960 Method and Apparatus for Distributing Haptic Synchronous Signals
05/24/2012US20120126612 Ac-dc power supply unit and associated device
05/24/2012DE102010051779A1 Component arrangement of vehicle e.g. electric vehicle, has power supply line that connects components of vehicle main structure, for performing data communication process between vehicle components
05/23/2012EP2456232A1 Howling canceller
05/23/2012EP2456084A1 System and method for controlling a connection of a meter to a power line
05/23/2012EP2456083A2 System and method for communicating over power lines
05/23/2012EP2456070A1 Differential equalizers with source degeneration and feedback circuits
05/23/2012EP2455719A2 System and method for providing power to a power meter connected to a power line
05/23/2012EP2454843A1 Near end cross talk reduction for a mimo system
05/23/2012EP2454821A2 Communications system using adaptive frequency notching
05/23/2012EP2454820A1 Signal and devices for wired networks
05/23/2012EP1869790B1 Dsl state and line profile control
05/23/2012CN202231725U Fiber communication device of modularized active filter
05/23/2012CN202231719U Weak analog signal wired remote transmission device
05/23/2012CN202231718U Divided type electric power wideband modem module
05/23/2012CN202231717U High-frequency noise sampling and playback system for low voltage power line
05/23/2012CN202231716U Power line carrier communication structure
05/23/2012CN202231715U OFDM-based power line carrier communication system
05/23/2012CN1965497B Automatic adaptive equalization method and system for high-speed serial transmission link
05/23/2012CN102474682A Howling canceller
05/23/2012CN102474479A Improved packet detector
05/23/2012CN102474476A Differential signal transmission line, ic package, and method for testing said differential signal transmission line and ic package
05/23/2012CN102474409A 用于mimo系统的近端串话减少 Mimo system for reducing near-end crosstalk
05/23/2012CN102474351A Wavelength dispersion amount calculation device, optical signal reception device, optical signal transmission device, and wavelength dispersion amount calculation method
05/23/2012CN102474307A Impedance stabilization device
05/23/2012CN102474306A Control device, communication terminal, control method, communication control method, and integrated circuit
05/23/2012CN102474305A 用于有线网络的信号和装置 Signals and means for the wired network
05/23/2012CN102474304A Communications system using adaptive frequency notching
05/23/2012CN102474303A Power line communications apparatus
05/23/2012CN102474302A 通信网络 Communications network
05/23/2012CN102474301A Monitor/control device and monitor target device
05/23/2012CN102472782A 电表篡改检测 Meter tamper detection
05/23/2012CN102468870A Carrier wave modulating method and circuit
05/23/2012CN102468869A 增强抗干扰能力和安全性的电力线载波通信终端装置 Enhanced anti-jamming capability and safety of power line carrier communication terminal device
05/23/2012CN101710870B Access and data transmission method for mineral long reach Ethernet
05/23/2012CN101605035B Modem and impedance setting method thereof
05/23/2012CN101604161B Bit synchronization decoding method
05/23/2012CN101527605B Three-phase four-wire low-voltage synchronous attenuation device
05/23/2012CN101459498B Detection method, apparatus and system for dispenser
05/23/2012CN101416430B Communication device, method and integrated circuit
05/23/2012CN101223767B Method and system for low delay echo cancelling
05/23/2012CN101222244B Crosstalk eliminating method and device
05/23/2012CN101030990B Echo prevention circuit, filter coefficient setting method
05/23/2012CN101026411B Communicating in a network that includes a medium having varying transmission characteristics
05/23/2012CA2758681A1 System and method for communicating over power lines
05/22/2012US8185043 Wireless communication method, relay station apparatus, and wireless transmitting apparatus
05/22/2012US8184824 Differentiated audio
05/22/2012US8184818 Double-talk detector with accuracy and speed of detection improved and a method therefor
05/22/2012US8184747 Flexible timebase for EYE diagram
05/22/2012US8184723 Feedback system and apparatus for video compensation
05/22/2012US8184685 System and method for identifying a non-predetermined input data rate
05/22/2012US8184684 Automatic gain control stress measurement for digital carriers
05/22/2012US8184677 Arrangement in a network repeater for monitoring link integrity and automatically down shifting link speed
05/22/2012US8184007 Wireless tag reader/writer
05/18/2012WO2012064333A1 Providing digital data services using electrical power line(s) in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods
05/18/2012WO2012062440A1 Electric installation device
05/17/2012US20120121105 System for networked routing of audio in a live sound system
05/17/2012US20120121104 Wired, wireless, infrared, and powerline audio entertainment systems
05/17/2012US20120121103 Audio/sound information system and method
05/17/2012US20120120988 Repeater and self-excitation detecting method and system
05/17/2012US20120119568 Device and system for communicating on a supply line
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