Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
08/2010
08/24/2010US7781915 Apparatus and method for remotely powering a data acquisition or utilization device
08/24/2010US7781677 Transmission cable
08/24/2010CA2476102C Automatic equalization of video signals
08/19/2010WO2010093663A1 Simultaneous estimation of multiple channel coefficients using a common probing sequence
08/19/2010WO2010092099A1 Method and device for data processing
08/19/2010US20100211382 Dereverberation Method, Apparatus, and Program for Dereverberation
08/19/2010US20100208908 Echo supressing method and apparatus
08/19/2010US20100208907 Sound emitting and collecting apparatus
08/19/2010US20100208904 Dereverberation apparatus and dereverberation method
08/19/2010US20100208788 System and method for high-speed decoding and isi compensation in a multi-pair transceiver system
08/19/2010US20100208787 Waveform equalizer and method for controlling the same, as well as receiving apparatus and method for controlling the same
08/19/2010US20100208778 Transmitter device and HDMI sender/receiver device including the same
08/19/2010US20100207745 Human interaction systems using kinesthetic feedback and operating method thereof
08/19/2010DE102009000697A1 Treiberschaltung für eine Zweidrahtleitung und Verfahren zum Erzeugen zweier Ausgangsströme für eine Zweidrahtleitung Driver circuit for a two-wire line and method for producing two output currents for a two-wire line
08/19/2010DE102004010874B4 Verfahren und Vorrichtung zum Ermitteln von Übertragungsparametern Method and apparatus for determining transmission parameters
08/19/2010CA2751980A1 Method and device for data processing
08/18/2010EP2219373A2 Display unit
08/18/2010EP2219316A1 Method and apparatus for assigning pilot sequences for further crosstalk evaluation
08/18/2010EP2219297A1 Electrically powered communications device
08/18/2010EP2219296A1 Method and device for data processing
08/18/2010EP2218228A1 Modular powerline adapters and methods of use
08/18/2010CN201557215U Cable communication intercom system
08/18/2010CN201557111U Broadband network communication device for medium voltage power line
08/18/2010CN201557110U Industrial frequency communication multi-channel signal parallel transmission system
08/18/2010CN201557109U Carrier communication management device based on web mode
08/18/2010CN201556080U Communication system used for hot continuous rolling
08/18/2010CN1968034B Wireless communication system
08/18/2010CN1874174B Multimedia information network on power line in village level
08/18/2010CN1824595B Elevator outside coupling system
08/18/2010CN101809938A Power line communication system and power line communication device
08/18/2010CN101809883A Error catch RAM support using fan-out/fan-in matrix
08/18/2010CN101809882A Method and device for noise processing and communication system comprising such device
08/18/2010CN101808201A Display unit
08/18/2010CN101207644B Method for reducing influence caused by echo to subjective perception in VoIP communication
08/18/2010CN101073042B Arrangement of inductive couplers for data communication
08/18/2010CN101072267B Audio communication system
08/17/2010US7778598 Asymmetric cooperation in downlink cellular networks with relay stations
08/17/2010US7778346 Upstream power cutback
08/17/2010US7778333 Reduction of aggregate EMI emissions of multiple transmitters
08/17/2010US7778332 Method and device for crosstalk test in multi-subscriber communication line
08/17/2010US7778319 Jitter measuring apparatus, jitter measuring method and test apparatus
08/17/2010US7778318 OFDM gain compression measurement
08/17/2010US7778317 Method and device for detecting inductive elements in a communication line
08/17/2010US7778315 Measuring instantaneous signal dependent nonlinear distortion in response to varying frequency sinusoidal test signal
08/17/2010US7778313 PHY control module for a multi-pair gigabit transceiver
08/17/2010US7778210 Bridge circuit to suppress echoes in communication devices
08/17/2010US7778209 Passive echo cancellation device and signal transmission method thereof
08/12/2010WO2010088886A1 Illumination assembly
08/12/2010US20100202627 Docking System Employing a Solar Energy Charging System
08/12/2010US20100202576 Apparatus For, and Method of, Reducing Noise in a Communications System
08/12/2010US20100202541 Signal encoding for frequency division multiplexing on transmission lines
08/12/2010US20100202471 Power line communications apparatus and power line communications method
08/12/2010US20100201884 Display unit
08/12/2010US20100201502 Design of Force Sensations For Haptic Feedback Computer Interfaces
08/12/2010US20100201501 Multi-function vibration actuator
08/12/2010US20100201500 Apparatus, systems, and methods for communicating biometric and biomechanical information
08/12/2010US20100201188 Magnetic isolation of power sourcing equipment control circuitry
08/12/2010DE102009007503A1 Beleuchtungsanordnung Lighting arrangement
08/11/2010EP2216855A2 Telecommunications jack with crosstalk multi-zone crosstalk compensation and method for designing
08/11/2010EP2215820A1 A method and arrangement for echo cancellation of voice signals
08/11/2010EP2215739A1 Interpolation method and apparatus for increasing efficiency of crosstalk estimation
08/11/2010EP2215499A1 Two wire digital ultrasonic sensor using bi-directional power line communication
08/11/2010EP1762013B1 Communication apparatus and communication method thereof
08/11/2010CN201550111U Network data converting device based on power line carrier communication
08/11/2010CN1985459B System and method for generating a jittered test signal
08/11/2010CN1914819B Echo canceller with interference-level controlled step size
08/11/2010CN1666434B Method and apparatus for controlling echo cancellation
08/11/2010CN1599273B Synchronous device and method of power line carrier communication transceiver
08/11/2010CN101803246A multi-port accumulator for radio-over-fiber (rof) wireless picocellular systems
08/11/2010CN101803220A Communication apparatus, communication system, communication method, integrated circuit and circuit module
08/11/2010CN101803219A Echo removal device
08/11/2010CN101802753A Buffering techniques for power management
08/11/2010CN101801713A Train communication system, communication device, and relay device
08/11/2010CN101800574A Signal-sending switching device and power line carrier communication system using same
08/11/2010CN101015133B Communication terminal with echo canceller and its echo canceling method
08/10/2010US7774669 Complex pattern generator for analysis of high speed serial streams
08/10/2010US7773941 Method and system for positioning a relay in a wide area communication network
08/10/2010US7773761 Method and apparatus to generate an audio beam with high quality
08/10/2010US7773742 Echo canceller
08/10/2010US7773741 Voice and data exchange over a packet based network with echo cancellation
08/10/2010US7773689 Multimodal memory controllers
08/10/2010US7773667 Pseudo asynchronous serializer deserializer (SERDES) testing
08/10/2010US7773666 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier DSL environment
08/10/2010US7773361 Medium voltage signal coupling structure for last leg power grid high-speed data network
08/05/2010WO2010086183A1 Crosstalk coefficient updating in vector transmission
08/05/2010WO2010085938A2 Modem for transmitting data over a power supply network
08/05/2010US20100197241 Methods and systems for low-complexity channel estimator in ofdm / ofdma systems
08/05/2010US20100197232 Echo Canceler Circuit And Method
08/05/2010US20100195845 Networked intercom node for a networked audio distribution system
08/05/2010US20100195817 Reducing the Feedback Overhead During Crosstalk Precoder Initialization
08/05/2010US20100195744 Method for transmitting a signal over a power line channel and power line communication modem
08/05/2010US20100195708 Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier dsl environment
08/05/2010US20100195447 Alarm clock and a system and a method to wake a user
08/05/2010US20100194548 Downtime monitoring apparatus and method
08/05/2010US20100194547 Tactile feedback apparatus and method
08/05/2010US20100194546 Vibrating trigger button
08/05/2010US20100194190 Midspan Powering in a Power Over Ethernet System
08/05/2010DE102009007003A1 Modem zur Übertragung von Daten über ein Stromversorgungsnetzwerk Modem for transmitting data via a power supply network
08/05/2010DE102009006332A1 Line driver or amplifier for e.g. digital subscriber line modem, has multiplier multiplying feedback signal with factor signal derived either from input signal or from preliminary stage such that output signal is created or simulated
08/04/2010EP2214347A1 Device for coupling power and digital data in a network
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