Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
03/2003
03/05/2003CN1401176A A frequency domain equalizer for terrestrial digital TV reception
03/05/2003CN1400783A User's exchange device and method with asymmetrical digital user line
03/05/2003CN1400597A Digital data regenerator
03/04/2003US6530088 Apparatus for automatic sensing of line amplifier configuration for status monitoring
03/04/2003US6529961 Network transceiver having media independent interface operable in a general purpose serial interface mode
03/04/2003US6529120 System for communicating over a transmission line
02/2003
02/27/2003WO2003017561A1 Apparatus and method for concealing the loss of audio samples
02/27/2003WO2003017505A2 Adaptive radiated emission control
02/27/2003WO2003017488A1 Method and apparatus for encoding and decoding digital communications data
02/27/2003WO2003017047A2 Method and apparatus for remote sexual contact
02/27/2003WO2002098089A3 Decision feedback equaliser
02/27/2003WO2002021717A3 Digital echo cancellor
02/27/2003US20030039353 Echo cancellation processing system
02/27/2003US20030039319 Monitoring upstream frequency band
02/27/2003US20030039317 Method and apparatus for constructing a sub-carrier map
02/27/2003US20030039257 Network-to-network adaptor for power line communications
02/27/2003US20030038710 Frequency management and policing
02/27/2003US20030038709 Packet communication method of powerline communication system
02/26/2003EP1286476A1 Method for transmitting communication signals
02/26/2003EP1285502A1 Method and system for transmitting data over a low-voltage electricity supply network
02/26/2003EP1285501A1 Coupling device
02/26/2003EP1095463B1 Suppression of rfi and impulse noise in communications channels
02/26/2003EP1081719A4 Cable
02/26/2003EP1031199B1 Improvement in, or relating to, subscriber line transmission systems
02/26/2003EP0853805B1 Transmission, recording and reproduction of a digital information signal
02/26/2003EP0709010B1 Power coupler for coupling power from a transmission line to a node thereon
02/26/2003CN1399852A Digital communication receiver containing channel tracker and method for operation thereof
02/26/2003CN1399835A Method, receiver devices and systems for whitening signal disturbance in communication signal
02/26/2003CN1399816A Signal level adjustment arrangement
02/25/2003US6526141 Method and apparatus for network echo cancellation using a proportionate normalized least mean squares algorithm
02/25/2003US6526140 Consolidated voice activity detection and noise estimation
02/25/2003US6526139 Consolidated noise injection in a voice processing system
02/25/2003US6526102 Method of optimizing transmission, and transmitter
02/25/2003US6526093 Method and apparatus for equalizing a digital signal received via multiple transmission paths
02/25/2003US6525992 Devices for controlling the position of an underwater cable
02/20/2003WO2003015359A1 Network-to-network adaptor for power line communications
02/20/2003WO2003015292A2 Digital equalization process and mechanism
02/20/2003WO2003015291A2 Frequency management and policing
02/20/2003WO2003015272A1 Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares
02/20/2003WO2002043268B1 Power line communication system
02/20/2003US20030036863 Transient distance to fault measurement
02/20/2003US20030036689 Signal processing apparatus
02/20/2003US20030036678 Method and apparatus for remote sexual contact
02/20/2003US20030035550 Broadcast receiving system
02/20/2003US20030035533 System and method for automatic gain and slope equalization provisioning of telephone transmission lines
02/20/2003US20030035384 Apparatus and method for concealing the loss of audio samples
02/20/2003US20030035366 System and method for providing crosstalk management for high-speed signaling links
02/20/2003US20030034874 System or architecture for secure mail transport and verifiable delivery, or apparatus for mail security
02/20/2003US20030034855 Printed circuit suppression of high-frequency spurious signals
02/19/2003EP1284088A1 Termination device for a telephone line
02/19/2003EP1284064A1 Method and device for controlling the timing of a digital receiver
02/19/2003CN1397935A Optical disc replaying device
02/18/2003US6522747 Single-sided subband filters
02/18/2003US6522746 Synchronization of voice boundaries and their use by echo cancellers in a voice processing system
02/18/2003US6522725 Speech recognition system capable of flexibly changing speech recognizing function without deteriorating quality of recognition result
02/18/2003US6522707 Method and device for disturbance suppression in a signal
02/18/2003US6522699 Transmission system for reduction of amateur radio interference
02/18/2003US6522688 PCM codec and modem for 56K bi-directional transmission
02/18/2003US6522626 Power line communications system and method of operation thereof
02/18/2003US6522249 Two wire output/power mechanism for remote devices
02/18/2003US6522243 Geometric harmonic modulation signaling and detection
02/18/2003US6520808 Anti-crosstalk connector
02/14/2003CA2357898A1 System and method for automatic gain and slope equalization provisioning of telephone transmission lines
02/13/2003WO2003013109A1 Improved crosstalk identification for spectrum management in broadband telecommunications systems
02/13/2003WO2003013019A1 Method of enabling the coexistence of multiple data transmission systems on the electrical network
02/13/2003WO2002023839A3 Active terminating device with optional line-receiving and line-driving capabilities
02/13/2003US20030031315 Echo canceller having nonlinear echo suppressor for harmonics calculations
02/13/2003US20030031310 Plug-in single phase power line signal repeater with low voltage bus
02/13/2003US20030031263 Circuit for compensating a degraded signal and associated method
02/13/2003US20030031244 Software definable block adaptive decision feedback equalizer
02/13/2003US20030031239 Maximizing DSL throughput
02/13/2003US20030031196 Wire communication device, wire communication apparatus, wire communications method, and wire communications system
02/13/2003US20030031139 Echo cancellation circuit
02/13/2003US20030031132 Multiplex transmission device
02/13/2003US20030030537 Field bus system and virtual field apparatus
02/13/2003CA2454239A1 Improved crosstalk identification for spectrum management in broadband telecommunications systems
02/12/2003EP1283655A1 Maximizing DSL throughput with acceptable level of cross-talk
02/12/2003EP1282968A1 Method and system for detecting and iterative decoding of received symbols, coupled with reevaluation of transmission channel coefficients
02/12/2003EP1282967A1 Device for carrying out wide-band electrical signal transmission with a mobile directional coupler
02/12/2003EP1183848A4 System and method for near-end talker detection by spectrum analysis
02/12/2003EP1163788A4 Passive system used to merge telephony and broadband signals onto one coaxial cable
02/12/2003CN2535976Y Ethernet power-line stretcher
02/12/2003CN1397127A Communication system and communication method
02/12/2003CN1396721A Method and device for raising noise immunity of receiver
02/12/2003CN1396719A Radio communication system using power line for date information connection
02/12/2003CN1396718A Echo removing apparatus and echo path estimating method
02/12/2003CN1101170C Physiological signal processing apparatus and physiological monitor
02/11/2003US6519282 Method for digital transmission of information
02/11/2003US6518769 Method and device for the electrical monitoring of an electrode lead of a bipolar high-voltage D.C. transmission system
02/11/2003US6518724 Wall switch device and power outlet device
02/11/2003CA2104949C Dynamical system analyser
02/06/2003WO2003010996A2 Sound reinforcement system having an echo suppressor and loudspeaker beamformer
02/06/2003WO2003010995A2 Sound reinforcement system having an multi microphone echo suppressor as post processor
02/06/2003WO2003010950A1 Echo canceller having nonlinear echo suppressor for harmonics calculations
02/06/2003WO2003010949A1 Communication system having line and acoustic echo canceling means with spectral post processors
02/06/2003WO2003010936A1 Software definable block adaptive decision feedback equalizer
02/06/2003WO2003010896A1 Dynamic power line access connection
02/06/2003US20030026439 Audio system for automobile and plug transmitter used in same
02/06/2003US20030026437 Sound reinforcement system having an multi microphone echo suppressor as post processor
02/06/2003US20030026417 Communication system having line and acoustic echo canceling means with spectral post processors
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