Patents
Patents for H04B 3 - Line transmission systems (31,523)
10/2006
10/31/2006US7129711 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
10/31/2006US7129697 Dynamic register with IDDQ testing capability
10/26/2006WO2006113945A1 Power line communication system
10/26/2006WO2006113317A2 Temperature and frequency equalizer
10/26/2006WO2006112016A1 Modem apparatus
10/26/2006WO2006111828A1 System for establishing a connection between a service centre and a plurality of devices for the reception of television signal
10/26/2006WO2005050953A3 Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires
10/26/2006US20060242612 A crosstalk checking method using paralled line length extraction
10/26/2006US20060239469 Story-telling doll
10/26/2006US20060238268 Random beamforming method for a MIMO system
10/26/2006DE19803796B4 Ausgangspuffer zum Ansteuern einer symmetrischen Übertragungsleitung Output buffer for driving a balanced transmission line
10/25/2006EP1715596A1 Mobile communication system and wireless apparatus used therein
10/25/2006EP1714412A1 Mehtod and apparatus for synchronization over 802.3af
10/25/2006EP1714398A1 Echo canceller with interference-level controlled step size
10/25/2006EP1714394A2 Ultra-wideband communication through a power grid
10/25/2006EP1295271A4 Burst qam downhole telemetry system
10/25/2006EP1245093B1 Diagnostic methods and systems for multicarrier modems
10/25/2006EP1195021B1 Phy control module for a multi-pair gigabit transceiver
10/25/2006EP0956657B1 Dynamic echo canceller and parameter selection in telephony systems
10/25/2006CN2831621Y El interface with electromagnetic compatible circuit
10/25/2006CN1853370A Method and communication assembly for testing subscriber lines
10/25/2006CN1852380A User telephone communication system based on power line network and its realizing method
10/25/2006CN1852034A Apparatus for increasing anti-interference degree of signal port
10/25/2006CN1282309C Signal transmission method for magnetic suspension rail
10/24/2006US7127209 Method and system for providing accurate service record using phone line detector
10/24/2006US7127074 Method and apparatus for sleep conditioning
10/24/2006US7127073 Audio noise cancellation system for a sensor in an automotive vehicle
10/24/2006US7127062 Hybrid circuit for a broadband modem
10/24/2006US7127003 Method and apparatus for communicating information using different signaling types
10/24/2006US7126995 Digital subscriber line communicating system
10/24/2006US7126646 Device and method for tracking phase error in digital TV receiver
10/24/2006US7126417 Distributed gain network
10/19/2006WO2006110047A2 High frequency signal hub and transmission system
10/19/2006WO2006109870A1 Power line communication apparatus and power line communication method
10/19/2006WO2006109868A1 Communication apparatus and communication method thereof
10/19/2006WO2006109316A2 Apparatus and method of equalisation
10/19/2006US20060236183 Method and apparatus for evaluating and optimizing a signaling system
10/19/2006US20060235552 Method and system for media content data distribution and consumption
10/19/2006US20060233394 Audio interface device for public address systems
10/19/2006US20060233264 Bidirectional buffered interface for crosspoint switch
10/19/2006US20060232356 Temperature and frequency equalizer
10/19/2006US20060232354 Variable reluctance ferrite core
10/19/2006DE10353494B4 Vorrichtung zur Echounterdrückung The apparatus for echo suppression
10/19/2006DE102006015060A1 Laststeuervorrichtung und Laststeuersystem Load control device and load control system
10/19/2006DE102006014021A1 Stromleitungs-Kommunikationssystem A power line communication system
10/19/2006CA2603938A1 High frequency signal hub and transmission system
10/18/2006EP1712013A2 Communication channel calibration for drift conditions
10/18/2006EP1712008A2 Optimization of ultra-wideband communication through a wire medium
10/18/2006EP1649611B1 Measuring adapter for simulating a low-voltage network that is coupled to a powerline data transmission device
10/18/2006EP1350329B1 Apparatus and method of enabling communication of data signal via a power transmission cable.
10/18/2006CN1848700A Power line communication system
10/18/2006CN1848699A Multi-path active hybrid circuit and corresponding method
10/18/2006CN1848679A Sestem and method for accelerating multiple communication channel with foundation of minimum mean square algorithm
10/18/2006CN1281002C Adaptive filter emitting control in echo suppressor using structure lagging amplitude distribution estimation method
10/18/2006CN1280998C Automatic gain control system for multi-user OFDM digital transmission system using the electric grid
10/17/2006US7124233 USB composite device and method using hub link layer and UTMI interface
10/17/2006US7124064 Automatic generation of hardware description language code for complex polynomial functions
10/17/2006US7123888 Variable communication system
10/17/2006US7123648 Radio relay apparatus
10/17/2006US7123578 Communication system for driving pairs of twisted pair links
10/17/2006US7123048 Signal transmitting device suited to fast signal transmission
10/17/2006CA2362101C A closed loop calibration for an amplitude reconstruction amplifier
10/12/2006WO2006107584A2 Multi-channel audio switch
10/12/2006WO2006106537A1 Method for transmission of information between nodes of a network and network using said method
10/12/2006WO2006105747A1 Electrical multiple-wire system for push-pull signal transmission with an attenuating or filtering element and data transmission bus
10/12/2006WO2005116956A3 Collision avoidance system
10/12/2006WO2005036761A3 System, method and apparatus for crosstalk cancellation
10/12/2006US20060227978 Feedback elimination method and apparatus
10/12/2006US20060227730 Variable interference cancellation technology for CDMA systems
10/11/2006EP1451941B1 Home appliances network
10/11/2006EP1350382B1 Power cutback configuration of digital subscriber line transceivers using public switched telephone network signaling
10/11/2006EP1057291B1 System and method for factoring a merged wave field into independent components
10/11/2006CN2826838Y Self-adaptive backward wave bucking circuit for power line carrier communication
10/11/2006CN1846389A Techniques to test transmitted signal integrity
10/11/2006CN1845553A Power line mode WLAN terminal device and its communication process
10/11/2006CN1845552A Power line mode broadband access terminal device and its communication method
10/11/2006CN1279721C Home network system and method for adding/deleting domestic electric appliance to/from the same system
10/11/2006CN1279710C Multiplex transmission device
10/10/2006US7120130 Seamless redundant echo canceller replacement in a multi-channel echo canceller
10/10/2006US7120034 Method and apparatus for reducing electromagnetic radiation
10/10/2006US7119607 Apparatus and method for resonance reduction
10/05/2006WO2006103922A1 Radio receiver
10/05/2006WO2006103680A2 Efficient server polling system and method
10/05/2006WO2006103557A1 Dsl state and line profile control
10/05/2006US20060223504 Efficient server polling system and method
10/05/2006US20060223364 Method and system for virtual powerline local area networks
10/05/2006US20060222186 Multi-channel audio switch
10/05/2006US20060221876 Intellegent voice network monitoring using echo cancellation statistics
10/05/2006US20060220691 Method in an electric net data transmission system for keeping the signal level constant in a coupling furnished with supply cable
10/05/2006DE102005013852A1 Medizintechnisches Gerät und Verfahren zur Fernwartung eines medizintechnischen Geräts Medical device and method for remote maintenance of a medical device
10/05/2006DE10144156B4 Stromleitungsnetz und Vorrichtung zum Anschluß an ein Stromleitungsnetz Power Line Network and Apparatus for connection to a power line network
10/05/2006CA2599895A1 Dsl state and line profile control
10/04/2006EP1708401A2 Transmission method with frequency and time spread at transmitter level
10/04/2006EP1708380A1 Method for geometrical harmonic modulation
10/04/2006EP1707017A1 Method and apparatus for measuring jitter
10/04/2006EP1706972A1 Ultra-wideband communication through twisted-pair wire media
10/04/2006EP1706929A2 Method and apparatus for monitoring energy storage devices
10/04/2006EP1366608B1 Equalising and decoding device for frequency-selective channels
10/04/2006EP0983638A4 Orthogonal lms algorithms for fast line echo canceler training
10/04/2006EP0941584B1 Method of optimizing transmission, and transmitter