Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 9 - Arrangements for interconnection not involving centralised switching
Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
11/2012
11/22/2012WO2012158168A1 Clock drift compensation method and apparatus
11/22/2012WO2012158165A1 Non-linear post-processing for super-wideband acoustic echo cancellation
11/22/2012WO2012158164A1 Using echo cancellation information to limit gain control adaptation
11/22/2012WO2012158163A1 Non-linear post-processing for acoustic echo cancellation
11/22/2012US20120294438 Method and apparatus for improving power output efficiency of line driver
11/22/2012US20120294437 Automatic gain control for tele-presence voice echo cancellers
11/21/2012CN1431847B 医疗通信系统 Medical Communication Systems
11/21/2012CN102792742A Adaptive control method for repeater-station output signals, and device and system of adaptive control method
11/21/2012CN101937682B Method and device for handling receiving voice
11/21/2012CN101808201B Display unit
11/20/2012US8315380 Echo suppression method and apparatus thereof
11/20/2012US8315379 Single transducer full duplex talking circuit
11/20/2012US8315378 Hybrid circuit without inductors
11/20/2012US8315150 Synchronized multipoint-to-point communication using orthogonal frequency division
11/15/2012US20120288084 Fast echo gain change detection
11/14/2012CN1893326B Interference cancellation method and communication terminal for the same
11/14/2012CN102780821A Method and system for correcting sampling rate deviation of transceiving end
11/13/2012US8311234 Echo canceller and communication audio processing apparatus
11/13/2012US8311210 Isolated high gain line amplifier circuit
11/08/2012WO2012110614A4 Processing audio signals
11/07/2012CN102165521B Multiple microphone switching and configuration
11/06/2012US8306578 Distributed sound enhancement
11/06/2012US8306215 Echo canceller for eliminating echo without being affected by noise
11/06/2012US8306214 Method and system for clear signal capture
11/01/2012WO2012088544A3 Method and system for communication
10/2012
10/31/2012EP2518986A1 A device and method for controlling echo in parameter domain
10/31/2012CN102761673A Method for multichannel echo cancellation of LTE (Long Term Evolution) relay system
10/31/2012CN102761643A Audio headset integrated with microphone and headphone
10/30/2012US8301188 Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones
10/30/2012US8300803 Cooperative MIMO for alien noise cancellation (COMAC) for upstream VDSL systems
10/30/2012US8300802 Adaptive filter for use in echo reduction
10/30/2012US8300801 System and method for telephone based noise cancellation
10/24/2012CN102752468A PCM (pulse code modulation) voice communication module of computer
10/23/2012US8295476 Echo canceller and echo cancellation method
10/23/2012US8295475 Selective glitch detection, clock drift compensation, and anti-clipping in audio echo cancellation
10/23/2012US8295474 Echo canceller with heavy double-talk estimation
10/18/2012WO2012139780A1 A computation saving echo canceller for a wide band audio signal
10/18/2012DE102011017367A1 Haus-Kommunikationssystem mit mindestens einer Türstation und mindestens zwei Wohnungsstationen House communication system having at least one door station and at least two home stations
10/18/2012DE102011017366A1 Haus-Kommunikationssystem mit mindestens einer Türstation und mindestens einer Wohnungsstation House communication system having at least one door station and at least one home station
10/17/2012EP2512040A1 A computation saving echo canceller for a wide band audio signal
10/17/2012CN102739886A Stereo echo offset method based on echo spectrum estimation and speech existence probability
10/17/2012CN102739578A Echo interference suppression method, device and terminal
10/16/2012US8290466 Communication system, communication device, communication terminal, and communication setting method
10/16/2012US8290144 System and method for collecting power from a telephone line
10/16/2012US8290143 Delay estimator
10/16/2012US8290142 Echo cancellation in a portable conferencing device with externally-produced audio
10/16/2012US8290141 Techniques for comfort noise generation in a communication system
10/16/2012US8290140 Sound event processing with echo analysis
10/16/2012US8290133 System and method for remote home monitoring and intercom communication
10/11/2012WO2012138794A1 Integrated echo cancellation and noise suppression
10/10/2012CN202488451U Universal bidirectional voice transmission converter
10/10/2012CN102726034A A device and method for controlling echo in parameter domain
10/10/2012CN101536342B Method and arrangement for the adaptive filtering of signals
10/10/2012CN101320996B Self-adapting noise elimination apparatus and method
10/09/2012US8285349 Sliding portable terminal
10/09/2012US8284949 Multi-channel acoustic echo cancellation system and method
10/09/2012US8284928 Guide device for sliding unit in mobile terminal
10/09/2012US8284926 Enterprise-distributed noise management
10/09/2012US8284007 Magnetic package for a communication system
10/04/2012WO2012131570A1 Determining the distance and/or acoustic quality between a mobile device and a base unit
10/04/2012US20120250853 Dual mode communication device and method for managing voice communication
10/04/2012US20120250852 Acoustic echo cancellation for high noise and excessive double talk
10/03/2012CN202475574U Echo-cancelling talkback equipment
10/03/2012CN202475573U Echo cancellation system for multi-receiving ends
10/03/2012CN102710839A Method for improving voice communication effect and communication terminal
10/03/2012CN101562669B Method of adaptive full duplex full frequency band echo cancellation
10/02/2012US8280462 Distributed sound enhancement
10/02/2012US8280461 Electronic device including a function button operable by a stylus or similar device
10/02/2012US8280038 Microphone line based detection of headset plug removal
10/02/2012US8280037 Echo canceller having its effective filter taps adaptively controlled with echo cancellation amount monitored
10/02/2012US8280036 Configuring the virtual noise parameters of a digital subscriber line
10/02/2012US8280035 IP telephone system
10/02/2012US8279716 Smart-watch including flip up display
10/02/2012US8279146 Liquid crystal display device and mobile communication terminal having the same
09/2012
09/27/2012US20120243676 Method and System for Echo Cancellation in Presence of Streamed Audio
09/27/2012US20120243404 Systems and methods for communicating vectoring streams in multi-card vectoring groups
09/25/2012US8275142 Acoustic echo cancellation system
09/25/2012US8275139 Linear full duplex system and method for acoustic echo cancellation
09/25/2012US8275121 Portable communication device having a combined slider and flip hinge assembly
09/25/2012US8275120 Adaptive acoustic echo cancellation
09/25/2012US8275094 Method and devices for providing wetting current
09/20/2012WO2012125231A1 Apparatus and method for echo suppression
09/20/2012WO2012125230A1 Apparatus and method for convergence control of acoustic echo cancelling
09/20/2012WO2012124878A1 Video phone which uses reduced call path according to a unified circuit and program control
09/20/2012US20120237018 Apparatus and method for convergence control
09/20/2012US20120237017 Method, device and system for extending channels
09/20/2012US20120237004 Wireless Communications Interface
09/18/2012USRE43667 System for multiple use subchannels
09/18/2012US8271051 Method and system for double-end talk detection, and method and system for echo elimination
09/18/2012US8270934 Configuring network settings for a power line networking device
09/18/2012US8270597 Microphone assembly
09/13/2012WO2012119499A1 Echo cancellation method and apparatus
09/12/2012CN101485180B Electronic device having a single-split hinge
09/11/2012US8265264 Waterproof electronic appliance
09/11/2012US8265263 Delayed adaptation structure for improved double-talk immunity in echo cancellation devices
09/06/2012US20120224686 Stochastic vector based network echo cancellation
09/06/2012US20120224685 Cross-Talk Coefficient Updating In Vector Transmission
09/06/2012US20120224684 Soft attenuation of high-power signals
09/06/2012US20120224683 Systems and methods selectively excluding tones from vectoring
09/06/2012US20120224674 Systems and methods for handling crosstalk vectoring failures in multi-card vectoring groups
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