Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 3 - Line transmission systems
Patents for H04B 3 - Line transmission systems (31,523)
11/2012
11/28/2012CN102801446A Alarming call device for elevator
11/28/2012CN102801445A High performance PLC cluster system
11/28/2012CN102801444A Analogue balancing device and method
11/28/2012CN102801210A Switch equipment for power distribution system, and power wire communication interface, method and system
11/28/2012CN101622796B Communication system, communication device, communication terminal, and communication setting method
11/28/2012CN101569210B Audio processing system
11/28/2012CN101552849B Echo canceler circuit and method
11/27/2012US8320827 Method and apparatus for performing handover with a relay node
11/27/2012US8320826 Power control at a relay station in a wireless network
11/27/2012US8320580 System and method for directional sound transmission with a linear array of exponentially spaced loudspeakers
11/27/2012US8320577 Method and apparatus for multi-channel audio processing using single-channel components
11/27/2012US8320575 Efficient audio signal processing in the sub-band regime
11/27/2012US8320574 Methods and systems for reducing acoustic echoes in communication systems
11/27/2012US8320553 Enhanced echo cancellation
11/27/2012US8320552 Delay estimator
11/27/2012US8320471 Transmission device for differential communication
11/27/2012US8320443 System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
11/27/2012US8320438 Evaluation device for providing a transceiver system with performance information thereof
11/27/2012US8320437 Method and device for decoding a signal
11/27/2012US8320436 Calibrating received signal measurements in a communication device
11/27/2012US8320393 Signalling method and apparatus
11/27/2012US8319616 System and method for authorizing a remote device
11/27/2012US8319614 Parking assistance apparatus and parking assistance method
11/27/2012US8319579 Passive filter and AC coupler receiver interface
11/27/2012US8319572 Electromagnetic bandgap structure and printed circuit board
11/27/2012DE202006021117U1 Sendeeinheit, Empfangseinheit und System zum Übertragen eines Signals in einem Power-Line-Netzwerk Transmitter unit, receiver unit and system for transmitting a signal in a power-line network
11/27/2012CA2415915C Systems and methods for characterizing transmission lines using broadband signals in a multi-carrier dsl environment
11/22/2012WO2012158584A1 Converged in-building network
11/22/2012WO2012157788A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157785A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157783A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157445A1 Power supply control device and control method therefor, and power supply control system
11/22/2012WO2012157444A1 Power supply device, method, and program
11/22/2012WO2012157441A1 Power supply device, method, and program
11/22/2012WO2012157238A1 Power line communication apparatus, integrated circuit, and power line communication method
11/22/2012WO2012157180A1 Reception circuit and signal reception method
11/22/2012WO2012157060A1 Communication system, and communication device
11/22/2012WO2012156670A1 Measurement method
11/22/2012WO2012156664A1 A communications network and a network terminal
11/22/2012WO2012156222A1 Method and apparatus for providing bidirectional communication between segments of a home network
11/22/2012WO2012118810A3 Simultaneous detection of communications signals on all phases of a multi-phase power distribution network
11/22/2012US20120295547 Vehicle, communication system for vehicle, and communication controlling method for vehicle
11/22/2012US20120294455 Speaker apparatus
11/22/2012US20120294454 Mobile terminal and earphone identifying method
11/22/2012US20120294453 Method and apparatus for reducing noise pumping due to noise suppression and echo control interaction
11/22/2012US20120294452 Method and apparatus for reducing noise pumping due to noise suppression and echo control interaction
11/22/2012US20120294377 Beacon Selection in Communication Networks
11/22/2012US20120294342 Power line communication modem, power line communication system, power line communication method
11/22/2012US20120294335 Method and System for Inter-PCB Communication Utilizing a Spatial Multi-Link Repeater
11/22/2012US20120293313 Method and Apparatus for Generating Vehicle Vibration to Alert Vehicle User of Warning
11/22/2012US20120293311 Non-visual presentation of information on an electronic wireless device
11/22/2012US20120293233 Broadband Analog Radio-Frequency Components
11/22/2012US20120292119 On-board transponder device and method of verifying soundness thereof
11/22/2012DE102009001653B4 Hybrider Signalprozessor Hybrid signal processor
11/22/2012CA2836133A1 Converged in-building network
11/22/2012CA2836051A1 A communications network and a network terminal
11/21/2012EP2525533A1 Method and apparatus for providing bidirectional communication between segments of a home network
11/21/2012EP2525503A1 Power line communication modem, power line communication system, power line communication method
11/21/2012EP2525502A1 Measurement method
11/21/2012EP2525466A1 Electric power supply device and vehicle charge system
11/21/2012EP2524453A1 Communications system using beamforming
11/21/2012EP2524444A2 Method for data transfer and data transfer system
11/21/2012EP2524443A1 Device and method for providing a supply voltage in a bus node of a bus network
11/21/2012CN202551265U Talkback main unit for elevator
11/21/2012CN202551029U Power carrier communication circuit
11/21/2012CN102791070A HID (High Intensity Discharge) street lamp illumination power carrier network monitoring system
11/21/2012CN102790631A Low-voltage power line carrier communication method
11/21/2012CN102790630A Monitoring central station utilizing power line networking
11/21/2012CN102790629A Hybrid circuit for very-high-speed digital subscriber line
11/21/2012CN101808201B Display unit
11/21/2012CN101465672B Method, device and system for reducing crossfire of digital customer line
11/21/2012CN101201891B Rfid reader and circuit and method for echo cancellation thereof
11/21/2012CN101136661B Non-contact type electrical apparatus line fault testing device
11/21/2012CN101047514B Power-receiving patch panel
11/20/2012US8315592 Voice messaging prioritization
11/20/2012US8315296 Method for testing a radio frequency (RF) receiver and related methods
11/20/2012CA2740889A1 Robust power line communication system
11/15/2012WO2012154590A1 Transmit phase control for the echo cancel based full duplex transmission system
11/15/2012WO2012153843A1 Signal transmission method and transmission device
11/15/2012WO2012153452A1 Echo erasing device and echo detection device
11/15/2012WO2012153451A1 Adaptive equalizer, acoustic echo canceller device, and active noise control device
11/15/2012WO2012152574A1 Subsea data communication system and method
11/15/2012WO2012151681A1 Resource efficient acoustic echo cancellation in ip networks
11/15/2012WO2011138023A3 Method and system for accurate synchronization of frequency, phase and symbol timing
11/15/2012US20120288017 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system
11/15/2012US20120288016 Vehicle and communication device for vehicle
11/15/2012US20120287972 System and method for communicating data in a passenger vehicle or other vehicle consist
11/15/2012US20120287968 Interference cancellation repeater incorporating a non-linear element
11/15/2012US20120286892 Mems tunable notch filter frequency automatic control loop systems and methods
11/15/2012DE102012207642A1 Verbindungsverfahren für Bus-Controller und Kommunikationssystem Joining method for bus controller and communication system
11/15/2012DE102011075604A1 Functional module e.g. software module, for network component i.e. switch, of automation network for e.g. controlling automation object, extends function of component to another function of field device controllable by automation apparatus
11/14/2012EP2523358A2 Outlet with analog signal adapter
11/14/2012EP2523357A1 Subsea data communication system and method
11/14/2012EP2523356A1 Power supply control device for electronic circuit(s) of a submarine equipment
11/14/2012EP2523297A1 Power management device for allowing electronic circuits of a submarine equipment to be continuously fed with current
11/14/2012EP2523199A1 Network apparatus and communication module
11/14/2012EP2522082A2 Device and method for compensating for and identifying far-end crosstalk
11/14/2012CN202535381U Wireless broadband access point device with femtocell
11/14/2012CN202535355U Remote control elevator three-way calling device
11/14/2012CN202535354U Cable shielding layer electric power carrier communication system
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