Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
07/2003
07/03/2003US20030123586 Receiver for block code in near-minimum phase channel
07/03/2003US20030123399 Dynamically estimating echo return loss in a communication link
07/03/2003US20030123142 Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands
07/03/2003US20030123135 Method for gain equalization, and device and system for use in carrying out the method
07/03/2003US20030122552 Signal quality indicator on a powerline-modem
07/03/2003DE10147913C1 Verfahren zum Synchronisieren von Übertragungssystemen für Energieversorgungsnetze A method for synchronizing transmission systems for power supply
07/02/2003EP1324583A2 Gain control method for acoustic echo cancellation
07/02/2003EP1323288A2 Power line communication system
07/02/2003EP1323246A2 Power line networking apparatus and method
07/02/2003EP1323245A2 Power supply architecture for power-line networking
07/02/2003EP1323244A1 Method and apparatus for signal integrity verification
07/02/2003EP1322970A1 Method and device for measuring a line attenuation
07/02/2003EP1166513B1 Method and device for transmitting a transmission signal via a two-core line
07/02/2003EP1046273B1 Methods and apparatus for providing comfort noise in communications systems
07/02/2003EP0824803B1 Branching unit for an optical fibre transmission system
07/02/2003CN2559172Y Distributed Ethernet switch-on system
07/02/2003CN1427552A Container transporting device and managing information collecting method thereof
07/02/2003CN1427551A System and method for compensating XDSL up-power
07/02/2003CN1427408A Adaptive equalizer operating controlled with output signal symbol and absolute value and method thereof
07/02/2003CN1113461C Transmission system using time dependent filter banks
07/01/2003US6587530 Method and apparatus for signal integrity verification
07/01/2003US6587524 Reception method and receiver for mobile radiotelephone applications
07/01/2003US6587521 Signal estimator and program stored memory medium
07/01/2003US6587504 Adaptive equalizer and designing method thereof
07/01/2003US6587242 Optical transmission system
07/01/2003US6587037 Method for multi-phase data communications and control over an ESP power cable
06/2003
06/26/2003WO2003053033A1 Echo canceller having spectral echo tail estimator
06/26/2003WO2003052959A1 Systems and methods for providing echo control
06/26/2003US20030118197 Communication system using short range radio communication headset
06/26/2003US20030118177 Method and system for implementing a reduced complexity dual rate echo canceller
06/26/2003US20030118093 Device and method for viterbi equalization with metric increments calculated in advance
06/26/2003US20030118092 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
06/26/2003US20030118091 System and method for reducing power dissipation for DSL circuits
06/26/2003US20030117967 Method and apparatus for performing echo canceller specific automatic gain control
06/26/2003US20030117025 Electrical power distribution and communication system for an underwater cable
06/26/2003US20030116340 Receptacle structure
06/26/2003DE10147915C1 Verfahren zum Verwalten und Betreiben von Kommunikationsnetzen über Energieversorgungsnetze A method for managing and operating communications networks through power grids
06/26/2003CA2470097A1 Systems and methods for providing echo control
06/25/2003EP1322047A1 Coupling circuit arrangement for data communication over power lines
06/25/2003EP1322046A1 Submarine branching unit having asymmetrical architecture
06/25/2003EP1320941A2 Digital echo canceller
06/25/2003EP1320793A2 Spread spectrum meter reading system utilizing low-speed/high-power frequency hopping
06/25/2003EP0976197B1 Dual-processing interference cancelling system and method
06/25/2003CN2558164Y Density digital communication equipment interface
06/25/2003CN1426027A Automatic charging system for water, electricity and gas
06/24/2003US6584159 Mixed-mode next/echo canceller for pulse amplitude modulated (PAM) signals
06/24/2003US6583719 Setting apparatus and setting method each for setting setting information in electric power line carrier communication terminal apparatus
06/24/2003US6583400 Multichannel receiver circuit for parallel reception
06/19/2003WO2003050967A1 Equalization filter for digital subscriber wide bandwidth reception
06/19/2003WO2003050942A1 Communication device with active equalization and method therefor
06/19/2003WO2003050376A2 Burst qam downhole telemetry system
06/19/2003US20030114153 Universal broadband home network for scalable IEEE 802.11 based wireless and wireline networking
06/19/2003US20030112967 Improved crosstalk identification for spectrum management in broadband telecommunications systems
06/19/2003US20030112966 Method and system for implementing a reduced complexity dual rate echo canceller
06/19/2003US20030112887 Method and system for implementing weighted vector error echo cancellers
06/19/2003US20030112796 Voice and data exchange over a packet based network with fax relay spoofing
06/19/2003US20030112770 Echo canceling method and device for multiplex line
06/19/2003US20030112087 Cross talk compensation circuit
06/19/2003CA2469168A1 Burst qam downhole telemetry system
06/18/2003EP1320200A1 Method for transmitting signals between a first and second radio station and radio station
06/18/2003EP1320097A2 Adaptive equalizer
06/18/2003EP1319289A1 Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer
06/18/2003EP1125376B1 Method and radio station for the transmission of predistorted signals via several radio channels
06/18/2003EP1066690B1 Method for controlling at least one electric consumer connected to a control device, and a corresponding circuit
06/18/2003DE10204190C1 Clock phase control circuit for transceiver, has amplitude-limiting circuit whose limit value is dependent on setting signal used to control adaptive echo compensation circuit
06/18/2003DE10146982C1 Ladeeinrichtung für mobile Kommunikationsgeräte mit integriertem Powerline-Modem Charger for mobile communication devices with integrated powerline modem
06/18/2003CN1425240A Method and apparatus for implementing training phase of adaptive channel equalization on digital communications path
06/18/2003CN1424853A Error calibrator for digital broadcast receiver with phase faults compenstation
06/18/2003CN1424830A Twin wire based long distance communication network system in ocean
06/18/2003CN1112030C Process for fast blind equalization of adaptive equalizer
06/18/2003CN1112011C Equalising and decoding device for frequency-selective digital transmission channel
06/18/2003CN1112010C Adaptive multimode equaliser
06/18/2003CN1111973C Echo cancelling system for digital telephony applications
06/18/2003CA2386448A1 A synchronous extremely low frequency (elf) receiver
06/17/2003US6580794 Acoustic echo canceler with a peak impulse response detector
06/17/2003US6580793 Method and apparatus for echo cancellation with self-deactivation
06/17/2003US6580772 Method of forming channel estimate, and receiver
06/17/2003US6580764 Channel characteristics estimation apparatus
06/17/2003US6580752 Alternative configurations for an ADSL system operating in a time duplex noise environment
06/17/2003US6580696 Multi-adaptation for a voice packet based
06/17/2003US6580551 Method for gain equalization, and device and system for use in carrying out the method
06/12/2003WO2003049416A1 Passive optical network backhaul for powerline communications
06/12/2003WO2003049314A1 Home appliances network
06/12/2003WO2003049312A1 Amplifier for downstream and upstream signals
06/12/2003US20030110439 System and method for temporal analysis of serial data
06/12/2003US20030110433 System and method for non - causal channel equalization
06/12/2003US20030108209 Communication device with active equalization and method therefor
06/12/2003US20030108192 Reduced complexity transform-domain adaptive filter using selective partial updates
06/12/2003US20030108134 Method and apparatus for encoding and decoding digital communications data
06/12/2003US20030108097 Adaptive equalizer for controlling operation thereof by using sign and absolute value of output signal thereof
06/12/2003US20030108094 Modem with enhanced echo canceler
06/12/2003US20030108093 Efficient PCM modem
06/12/2003US20030107477 Method and device for transposing a bi-directional so data stream for transmission via a low-voltage network
06/12/2003US20030107476 Home appliances network
06/12/2003US20030107471 House code setting method and power line carrier communication system
06/11/2003EP1318636A2 Equalisation of non-causal channels
06/11/2003EP1318635A2 Equalisation of non-causal channels
06/11/2003EP1318615A1 Bidiectional amplifier
06/11/2003EP1318614A1 Repeater for upstream and downstream signals
06/11/2003EP1317828A2 Active terminating device with optional line-receiving and line-driving capabilities
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