Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
10/2012
10/10/2012CN202486966U Concentrated meter reading system
10/10/2012CN102723970A Signal transmission method and system on basis of two-wire bus capable of supplying power
10/10/2012CN101980415B Method and system for implementing active uplink power line power-frequency communication
10/10/2012CN101908911B Intelligent home control system and method for networking by utilizing power line and remote controllers
10/10/2012CN101536342B Method and arrangement for the adaptive filtering of signals
10/10/2012CN101320996B Self-adapting noise elimination apparatus and method
10/10/2012CN101218776B Communication system and method for transmitting signal
10/10/2012CN101154962B Transmission output control apparatus, method, program and multicarrier transmission system
10/09/2012US8284950 Vehicle remote control interface for controlling multiple electronic devices
10/09/2012US8284949 Multi-channel acoustic echo cancellation system and method
10/09/2012US8284948 Engine sound processing apparatus
10/09/2012US8284947 Reverberation estimation and suppression system
10/09/2012US8284848 Differential data transferring system and method using three level voltages
10/09/2012US8284826 Synchronization of satellite and terrestrial broadcast ODFM signals
10/09/2012US8284421 Printing client management method and wireless LAN printer in wireless network
10/09/2012US8284007 Magnetic package for a communication system
10/09/2012CA2651781C Systems and methods for digital data transmission rate control
10/04/2012WO2012135217A2 Nonlinear echo suppression
10/04/2012WO2012134109A2 Transmitter and receiver for an am*type power line communication
10/04/2012WO2012133810A1 Cradle-type broadcast signal radiation device and broadcast system for mobile terminal
10/04/2012WO2012133473A1 Wavelength dispersion pre-compensation optical communication system
10/04/2012WO2012131982A1 Information processing apparatus, information processing system, and communication control method
10/04/2012WO2012131067A1 Connecting device, system and method for signal transmission between a control centre and at least one field device in an industrial installation
10/04/2012WO2012130648A1 Method for performing spectrum management in a subscriber premises network
10/04/2012WO2012130228A2 Administrable power network having a data transmission function
10/04/2012WO2012129978A1 Data recovery control method, node, control apparatus and disaster tolerance system
10/04/2012US20120250877 Method and system for processing audio signals in a central audio hub
10/04/2012US20120250876 Set of interactive coasters
10/04/2012US20120250875 Portable Loudspeaker
10/04/2012US20120250871 Nonlinear Echo Suppression
10/04/2012US20120250784 System and method for adapting a piece of terminal equipment
10/04/2012US20120250752 Grid Event Detection
10/04/2012US20120250526 Method and Apparatuses for Data Transfer within a Relay Enhanced Telecommunication Network
10/04/2012US20120249785 Signal processor and signal processing method
10/04/2012US20120249257 Circuit for improving the immunity performance of a vehicle network
10/04/2012DE102012005681A1 Method for recognizing electrical interconnection between energy storage device of vehicle and electrical loading station, involves evaluating damping and/or reflection of high frequency signal to lines
10/04/2012DE102011050354B3 Brightness controlling device for dimming LED unit, has recovery unit for recovering pulse width modulation brightness control signal to control brightness of LED unit after receiving alternating voltage control signal
10/04/2012DE102011015605A1 Home network for controlling devices, particularly household appliances, by remote control, has sensors stand in connection with network server, where multiple actuators are stand in connection with network server
10/04/2012DE102011015594A1 Switching arrangement for switching on and off e.g. corridor lamp in house, has light and internet protocol switches cooperating such that change of switching condition of arrangement is caused by changing switching position of one switch
10/04/2012CA2830858A1 Administratable energy grid with data transmission function
10/03/2012EP2506514A1 Asymmetric full duplex communication including device power communication
10/03/2012EP2506496A1 Method for performing spectrum management in a subscriber premises network
10/03/2012EP2506446A1 Apparatus, systems and methods for power line carrier data communication to DC powered electronic device
10/03/2012EP2506445A1 Connection device, system and method for transmitting signals between a control centre and at least one field device in an industrial assembly
10/03/2012EP2504932A1 Led lighting unit having improved control
10/03/2012EP2504931A2 An arrangement and method relating to analysis of transmission lines
10/03/2012EP2504903A2 Powerline carrier "zero-crossing" transformer mapping with asymmetric rf return path
10/03/2012CN202475478U Multi-carrier-frequency power line communication system
10/03/2012CN202475419U Signal receiving device utilizing power line
10/03/2012CN202475418U Signal sending device using power line
10/03/2012CN202475417U Ethernet signal coupling device
10/03/2012CN202475416U Wiring device used for temperature and humidity monitor terminal
10/03/2012CN202475415U Power frequency communication system networking in manner of concentration reception
10/03/2012CN202475414U CAN repeater
10/03/2012CN202475413U Integrated ADSL module
10/03/2012CN202475012U Electric terminal controller used for power-saving management
10/03/2012CN202472911U Intelligent illumination control system based on electric power line carrier
10/03/2012CN1795653B Multicarrier communication method and system, and apparatus
10/03/2012CN102714521A Device for use in a power line communication system, power line communication systems and power line communication method
10/03/2012CN102714520A Method for data transfer and data transfer system
10/03/2012CN102714089A Network apparatus and communication module
10/03/2012CN102710521A Power line carrier communication system, master carrier and slave carrier for intermediate-voltage distribution network
10/03/2012CN102710445A DSL system estimation and parameter recommendation
10/03/2012CN102710385A Transmitting end, receiving end, system and method for power line communication of contact network
10/03/2012CN102710329A Method and system for transparently transmitting full-IP (internet protocol) visible light data
10/03/2012CN102710295A Repeater
10/03/2012CN102710294A Economical-type electric power line communication system
10/03/2012CN102710293A Adaptive multi-channel communication receiving equipment, system and communication method
10/03/2012CN102710292A One-to-many half-duplex responsive ground cable power line carrier relay communication system
10/03/2012CN102710291A Inline power controller
10/03/2012CN101729097B Signal processing method, control module, interference cancellation device and communication system
10/03/2012CN101626270B Event pre-warning and classifying method by external safety pre-warning and positioning system of photoelectric composite cables
10/03/2012CN101431346B Method and apparatus for acquiring crosstalk information
10/03/2012CN101222243B Filter coefficient setting device and echo prevention device
10/02/2012US8280694 Constant current power source electronics for a sensor
10/02/2012US8280442 Radio base station and receiver fault diagnosis method
10/02/2012US8280070 Arrangement and method for communicating audio and DC signals
10/02/2012US8279951 Method and device for producing a transmission signal to be transferred over a transmission path
10/02/2012US8279950 Compensation for transmission line length variation in a SERDES system
10/02/2012US8279949 Method and apparatus for estimating channel length in wired communication system
10/02/2012US8279948 Interface with variable data rate
10/02/2012US8279783 Linear-equivalent echo and next cancellers for Tomlinson-Harashima Precoding (THP) systems
10/02/2012US8279743 Method for interference estimation for orthogonal pilot patterns
10/02/2012US8279053 Apparatus and method for vibrotactile mobile device
10/02/2012US8278938 Electrical safety devices and systems for use with electrical wiring, and methods for using same
09/2012
09/27/2012WO2012128676A1 Method and arrangement for supporting transmission over digital subscriber lines
09/27/2012WO2012128067A1 Detection device and detection method
09/27/2012WO2012127818A1 Fault prediction decision method and device
09/27/2012WO2012127740A1 Transmission line estimation device, transmission line estimation method, and receiver
09/27/2012US20120245933 Adaptive ambient sound suppression and speech tracking
09/27/2012US20120244796 Base station, relay station, and method
09/27/2012US20120243866 Fault analysis and monitoring applications using out-of-band based modules
09/27/2012US20120243698 Dynamic Beamformer Processing for Acoustic Echo Cancellation in Systems with High Acoustic Coupling
09/27/2012US20120243691 Wireless headset device capable of providing balanced stereo and method thereof
09/27/2012US20120243621 Multi-Wideband Communications over Multiple Mediums within a Network
09/27/2012US20120243590 Device for use in a power line communication system, power line communication systems and power line communication method
09/27/2012US20120242556 Structure and antenna
09/27/2012US20120242462 External Haptic Generator For Portable Electronic Devices
09/27/2012DE102008050045B4 Verfahren und Vorrichtung zur Übertragung von Daten über eine elektrische Stromversorgungsleitung Method and apparatus for transmitting data via an electric power supply line
09/27/2012CA2821697A1 Transmission channel estimating device, transmission channel estimating method and receiving apparatus
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