Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
06/2010
06/16/2010EP2197123A1 Power line communication apparatus and method for controlling the same
06/16/2010EP2197122A1 Transmission line loss compensation circuit and transmission line loss compensation method
06/16/2010EP2197101A2 Data transfer for an electric motor
06/16/2010EP2195934A1 Communication apparatus, communication system, communication method, integrated circuit and circuit module
06/16/2010CN201509182U MOS efficient carrier digital amplifying circuit
06/16/2010CN1965307B Method and system for realizing virtual powerline local area networks
06/16/2010CN1910635B Automatic audio systems for fire detection and person locating during fires
06/16/2010CN1889401B Method for on-line identifying small packaged hot connecting and disconnecting module
06/16/2010CN1533643B Channel access method for power line carrier based media access control protocol
06/16/2010CN101743729A Method for the robust synchronization of a multi-carrier receiver using filter banks and corresponding receiver and transceiver
06/16/2010CN101742767A Monitoring and management system of city street lamp
06/16/2010CN101742214A Method and device for transmitting 100BASE-T Ethernet signals and CATV signals by utilizing coaxial cable
06/16/2010CN101742212A Image monitoring carrier
06/16/2010CN101741724A Automatic relay networking method in electric line carrier communication
06/16/2010CN101741700A Music playing control system, multifunctional music playing devices and control method thereof
06/16/2010CN101741476A Communication equipment, method and system
06/16/2010CN101741428A Electric line carrier communication circuit and modulating and demodulating methods thereof
06/16/2010CN101741427A Network power line carrier
06/16/2010CN101741426A Method, device and system for enhancing stability of DSL circuit
06/16/2010CN101741425A Frequency spectrum optimization method, device and system
06/16/2010CN101741409A Two-way communication equipment
06/16/2010CN101383084B Isolation type bus power supplying communication system
06/16/2010CN101315543B Network digital alarm clock, long-range control method and signal synchronous transmission method
06/15/2010US7738920 Operating a computing device with an operating system and a wireless data access on a mobile device
06/15/2010US7738836 System and method of operation for network overlay geolocation system with repeaters using AM Golay Hadamard signatures
06/15/2010US7738835 Apparatus and method for frequency reuse to avoid interference between relay station and mobile station in multi-hop relay system
06/15/2010US7738664 Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals
06/15/2010US7738653 Method for selecting impedance setting for loop start trunk line
06/15/2010US7738603 Decision feedback equalizer and method used in digital television receiver
06/15/2010US7738568 Multiplexed RF isolator
06/15/2010US7738567 Baseline wander correction for communication receivers
06/15/2010US7738566 Circuit arrangement and method of operating such circuit arrangement
06/15/2010US7738544 Apparatus and method for measuring received signal strength indicator, and recording medium storing program embodying the same method
06/15/2010US7738354 Crosstalk identification for spectrum management in broadband telecommunications systems
06/15/2010US7737828 Tactile feedback device
06/15/2010US7737802 Passive equalizer with negative impedance to increase a gain
06/15/2010US7737573 Power over ethernet combiner
06/12/2010CA2688179A1 Telecommunications connector panel with interport crosstalk isolation
06/12/2010CA2686911A1 Electrical connector with separate contact mounting and compensation boards
06/10/2010WO2010065376A1 Wireless transceiver within an electrical receptacle system
06/10/2010WO2010064977A1 Method for transmission line analysis
06/10/2010WO2010063816A1 Electrical power network management system
06/10/2010WO2010063577A1 Method and system for powerline length measurement
06/10/2010US20100142723 Multimedia Switching Over Wired Or Wireless Connections In A Distributed Environment
06/10/2010US20100142722 Conversation assistant for noisy environments
06/10/2010US20100142721 Conference audio system
06/10/2010US20100142689 Method and apparatus for providing electrical power to a broadband digital subscriber line access
06/10/2010US20100142629 High speed transient active pull-up i2c
06/10/2010US20100142628 Remote antijamming transmission device and method for the same
06/10/2010US20100142627 Communication apparatus
06/10/2010US20100142602 Systems and methods for loop length and bridged tap length determination of a transmission line
06/10/2010US20100142552 System and method for transmitting audio data
06/10/2010US20100142419 Bi-directional bridge circuit having high common mode rejection and high input sensitivity
06/10/2010US20100141407 Method and Apparatus for Providing Haptic Feedback from Haptic Textile
06/10/2010CA2745215A1 Method and system for powerline length measurement
06/09/2010EP2194656A1 Electrical power network management system
06/09/2010EP2194355A1 Method and system for powerline length measurement
06/09/2010CN1902820B Signalling system
06/09/2010CN101729928A Sniffing equipment for locating transmission interface, method and sniffing signal transmission equipment
06/09/2010CN101729683A Method, device and system for detecting bridge tap
06/09/2010CN101729459A Method, system and device for rapidly withdrawing from training
06/09/2010CN101729190A Method, device and system for determining pulse noise interference source position
06/09/2010CN101729141A Method and device for monitoring submarine cable system
06/09/2010CN101729098A Brand new FSK spread spectrum carrier communication system based on the characteristic of power lines
06/09/2010CN101729097A Signal processing method, control module, interference cancellation device and communication system
06/09/2010CN101729096A Application of echo cancellation technology in transmitting voice service by circuit simulation equipment
06/09/2010CN101729095A Method and device for controlling communication of strong and weak current hybrid cables
06/09/2010CN101729094A Uplink power decreasing method, device and system in digital subscriber lines
06/09/2010CN101729093A Method, system and device for adjusting power
06/09/2010CN101729089A Transmitter and receiver of communication system and synchronization method thereof
06/09/2010CN101727713A Carrier intelligent display terminal of utility charge and domestic remittance charge
06/09/2010CN101295924B Method and device for eliminating mutual inductance coupling electromagnetic interference
06/09/2010CN101193173B Intelligent charger device
06/08/2010US7734271 Waveguide samplers and frequency converters
06/08/2010US7733994 Adaptive electronic transmission signal cancellation apparatus for full duplex communication
06/08/2010US7733965 Encoding method and apparatus for a dual mode super source follower circuit
06/08/2010US7733964 Automatic adaptive equalization method for high-speed serial transmission link
06/08/2010US7733952 Multi-pair gigabit Ethernet transceiver having adaptive disabling of circuit elements
06/08/2010US7733917 Apparatus and method for transmitting control information in a mobile communication system
06/08/2010US7733815 Data sampler including a first stage and a second stage
06/08/2010US7733770 Congestion control in a network
06/08/2010US7733194 Nonlinear transmission line modulator
06/03/2010WO2010062531A1 Independent link(s) over differential pairs using common-mode signaling
06/03/2010WO2010061511A1 Signal transmission device
06/03/2010WO2010061510A1 Signal transmission device
06/03/2010WO2010060446A1 A method and a system for management of transmission resources in digital communication systems
06/03/2010US20100136983 Method of using available mobile communication terminal as relay station
06/03/2010US20100135481 Echo mitigation in a conference call
06/03/2010US20100135469 Communication channel capacity estimation
06/03/2010US20100135372 Demodulator for a Multi-Pair Gigabit Transceiver
06/03/2010US20100135371 Dynamic regulation of power consumption of a high-speed communication system
06/03/2010US20100135234 Wireless communication systems with femto nodes
06/03/2010US20100134200 Electromagnetic bandgap structure and printed circuit board
06/03/2010US20100133899 Two-conductor field device for process automation technology for connecting at least one sensor element
06/02/2010EP2192694A1 System identifying device and system identifying method
06/02/2010EP2191570A1 Interface for connecting a converter apparatus to a two-pole line
06/02/2010DE19535839B4 Automatischer Amplitudenentzerrer An automatic amplitude
06/02/2010DE102008009542B4 Netzteil mit Datenschnittstelle Power supply with data interface
06/02/2010CN1917386B Method for detecting both speaking status in operation of echo cancel
06/02/2010CN1810019B Statistical adaptive-filter controller
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