Patents
Patents for H04B 3 - Line transmission systems (31,523)
02/2006
02/14/2006US6999583 Crosstalk identification for spectrum management in broadband telecommunications systems
02/14/2006US6999517 Method and apparatus for transmission of data on multiple propagation modes with far-end cross-talk cancellation
02/14/2006US6999507 DMT bit allocation with imperfect TEQ
02/14/2006US6999505 Power line communication modem capable of simultaneously supplying power and exchanging data
02/14/2006US6999394 Optical disc playback apparatus
02/14/2006US6998963 Endpoint receiver system
02/14/2006US6998962 Power line communication apparatus and method of using the same
02/14/2006US6998901 Self refresh oscillator
02/14/2006US6998853 Patchcord length measurement for LAN testers
02/11/2006CA2477216A1 Method and device for transmitting non-broadband signals using power lines as media
02/10/2006CA2515280A1 Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation and joint opto-electronic equalizer architecture
02/09/2006WO2006014922A2 Portable electronic device and method of operation therefore
02/09/2006WO2006014902A2 Method of isolating data in a power line communications network
02/09/2006WO2006013440A2 System for signals distribution to a plurality of users
02/09/2006US20060029236 Interference alleviation equalizing apparatus of multi-carrier communication system and method thereof
02/09/2006US20060029214 Method of adaptation step control in echo cancellers
02/09/2006US20060029165 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence
02/09/2006US20060028322 Vibrating device for the turn signals in motorized vehicles
02/09/2006US20060028199 Dynamic register with IDDQ testing capability
02/09/2006DE19914797B4 Verfahren, Verwendung des Verfahrens und Empfangsanordnung zum Empfang von mehrere frequenzdiskrete Subträger aufweisenden Multiträgersignalen Method, using the method and receiving device for receiving a plurality of discrete frequency subcarriers having multi-carrier signals
02/09/2006DE102004032874A1 DSL digital connection line buffer regenerator has amplifier including packetisation modem to operate with narrow band signals adjacent to broad band signals
02/08/2006EP1624590A1 Method of adaptive step control in echo cancellers
02/08/2006EP1623509A2 Method and apparatus for branching a single wire power distribution system
02/08/2006EP1623239A2 Method and system for improved single-ended loop make-up identification
02/08/2006CN2757438Y Three phase power supply line PLC signal coupling circuit
02/08/2006CN2757437Y PLC signal repeater based on Intellon 51X1 chip
02/08/2006CN1731698A Mobile communication terminal connection system using electric power net
02/08/2006CN1731697A Upper / nether side frequency detecting method for railway frequency shift track circuit transmission signal
02/08/2006CN1241374C Method and system for minimum square error equalization iteratively circulating shorrt training sequences until MSE falls below target threshold
02/08/2006CN1240581C Bicycle control for transmitting electric energy and data on single transmitting path
02/07/2006US6996368 System and method for reducing power consumption in a wireless communications network
02/07/2006US6996283 Block size assignment using local contrast ratio
02/07/2006US6996231 Step size convergence control
02/07/2006US6996230 Echo-canceler for precoded fractionally spaced receiver using signal estimator
02/07/2006US6996200 Device for use in controlling a sample rate
02/07/2006US6996168 Signal-processing circuit, and recording and playback apparatus employing the same
02/07/2006US6995659 Sound generating transducer
02/07/2006US6995658 Digital communication over 28VDC power line
02/07/2006US6995657 Power line communication system
02/07/2006US6995627 Transmitter equalization method and apparatus
02/02/2006WO2006011104A1 Audio signal dereverberation
02/02/2006WO2006010799A1 Device and method for programming the power spectral density of a number of telecommunication lines
02/02/2006US20060026336 Storage device system and signal transmission method for storage device system
02/02/2006US20060025072 Extending wireless communication RF coverage inside building
02/02/2006US20060023895 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/02/2006US20060023821 Resampler for a bit pump and method of resampling a signal associated therewith
02/02/2006US20060023647 Line driver for an adaptive hybrid circuit
02/02/2006US20060022807 Portable electronic device and method of operation therefore
02/02/2006DE102004034328A1 Schaltungsanordnung zur Unterdrückung von Störsignalen in von einem Modem eines Hausgerätes abgegebenen Sendesignalen Circuit arrangement for suppressing noise in output by a modem, a household appliance transmit signals
02/02/2006DE10012862B4 Steuersystem zur Verwendung in einem Kraftfahrzeug Control system for use in a motor vehicle
02/01/2006EP1622285A2 Multistage equalizer
02/01/2006EP1622036A2 Storage device system and signal transmission method for storage device system
02/01/2006EP1620976A2 Network topology and packet routing method using low voltage power wiring
02/01/2006EP1620967A1 Power control of digital subscriber line
02/01/2006EP1620779A2 Carrier management for a network
02/01/2006EP1500211A4 Adapter for communicating over power line
02/01/2006EP1446894A4 Echo canceller ensuring further reduction in residual echo
02/01/2006EP0846376B1 Method for metric determination in a communication system
02/01/2006CN1728579A Communication network system and method syncretic configured from wireless mobile comunication and wired discontinuous mobile communication
02/01/2006CN1728578A Broadband wired access system and method in multiple addresses possessing discontinuous mobile characteristics
02/01/2006CN1728577A Switching method and system based on wired discontinuous mobile communication technique
02/01/2006CN1728576A Positioning method and system based on wired discontinuous mobile communication network
02/01/2006CN1240192C Distribution of radio-frequency signals through low bandwidth infrastructure
01/2006
01/31/2006US6993317 Method and system for signal repeating in powerline communications
01/31/2006US6993308 Radio receiving device and radio receiving method
01/31/2006US6993289 System including a wall switch device and a system including a power outlet device and methods for using the same
01/31/2006US6993286 Dual band bidirectional amplifier for wireless communication
01/31/2006US6993141 System for distributing a signal between loudspeaker drivers
01/31/2006US6993082 Station and method for operating a CAN communication line
01/31/2006US6993070 Method and system of iteratively detecting and decoding received symbols coupled with re-estimation of the coefficients of the transmission channel
01/31/2006US6993068 Method for estimating and synchronizing frame boundaries of mis-aligned cross-talk signals in a DMT system
01/31/2006US6992990 Radio communication apparatus
01/31/2006US6992973 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method
01/31/2006US6992695 Surveillance system
01/31/2006US6992571 Seatbelt-fastening prompting apparatus
01/31/2006US6992542 Method for fast design of multi-objective frequency-shaping equalizers
01/31/2006US6992537 Receiver
01/27/2006CA2513998A1 Armoured flat cable signalling and instrument power acquisition
01/26/2006WO2006009973A1 Packet routing method in power line communication network
01/26/2006WO2006008381A1 Method and device for transmitting information through a power distribution network
01/26/2006WO2006008363A1 Module for exchanging information by carrier currents and method for managing the operation of said module
01/26/2006WO2005117284A3 Circuit for reducing interfering signals in the symmetric subscriber access line caused by crosstalk
01/26/2006US20060019603 Wireless repeater with arbitrary programmable selectivity
01/26/2006US20060018388 Reduction of aggregate EMI emissions of multiple transmitters
01/26/2006US20060018339 Local area network of serial intelligent cells
01/26/2006US20060018338 Local area network of serial intelligent cells
01/26/2006US20060018285 System and method for device co-location discrimination
01/26/2006US20060017445 Electrical supply network
01/26/2006DE19801138B4 Vorrichtung zur Anpassung eines Signals an eine durch einen ISDN-Datenübertragungsstandard vorgegebenen Pulsmaske Device for adapting a signal to a predetermined by an ISDN data transmission standard pulse mask
01/26/2006CA2570691A1 Method and device for transmitting information through a power distribution network
01/25/2006EP1618694A2 Distributed gain network
01/25/2006EP1618677A1 Method for transmitting data by means of a carrier current
01/25/2006CN2754279Y Signal transmission common earth wire interference eliminating circuit
01/25/2006CN1238995C DSP receiving equalzation circuit suitable to Ethernet
01/25/2006CN1238975C Suppression pulse interference device via power line communication systems
01/24/2006US6990682 Two-way CATV system
01/24/2006US6990382 Control system for digital sound effect and the method of the same
01/24/2006US6990196 Crosstalk identification in xDSL systems
01/24/2006US6990195 Voice and data exchange over a packet based network with resource management
01/24/2006US6990143 50% duty-cycle clock generator