H04M 9 - Arrangements for interconnection not involving centralised switching

Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
12/2011
12/21/2011	CN202085164U 自适应ics直放站中提高功放效率的基带数字化的装置 Adaptive ics Repeater improve power amplifier efficiency baseband digital device
12/21/2011	CN101211563B 声音信号处理方法 Audio signal processing method
12/20/2011	US8081950 Power line communication apparatus and power line communication method
12/20/2011	US8081789 Microphone holder and microphone device using same
12/20/2011	US8081753 Hybrid echo canceller controllers
12/20/2011	US8081752 Method and apparatus for reducing crosstalk between digital subscriber lines
12/14/2011	EP2395737A1 Telephone switchboard
12/13/2011	US8077860 Accessory structure for portable electronic devices
12/13/2011	US8077859 Adaptive analog echo/NEXT cancellation
12/13/2011	US8077858 Echo canceler and echo canceling method
12/13/2011	US8077857 Portable speakerphone device with selective mixing
12/13/2011	US8077642 Methods and apparatus for signal echo cancellation and transmitter calibration in full duplex systems
12/08/2011	WO2011152850A1 Echo cancellation of a user interface tone
12/08/2011	WO2011089403A3 Method and system to reduce feedback between handsets in a communication system
12/07/2011	CN102273222A 选择性地在多个传声器之间进行切换 Selectively switching between a plurality of microphones
12/07/2011	CN102271197A 用户界面音调的回声消除 User interface tone echo cancellation
12/07/2011	CN101262530B 一种消除移动终端回音的装置 A mobile terminal device to eliminate echo
12/06/2011	US8073508 Slide module and mobile terminal having the same
12/06/2011	US8073504 Portable terminal
12/06/2011	US8073138 Information input device, and electronic apparatus using same
12/06/2011	US8073136 Methods and systems for compensating for alien crosstalk between connectors
12/06/2011	US8073135 Binder identification
12/06/2011	US8073133 Echo canceler and echo canceling method
12/06/2011	US8073132 Echo canceler and echo canceling program
12/06/2011	US8073131 Portable device case with corner protector
12/01/2011	WO2011148519A1 Dwelling unit device for interphone system for residential complex
12/01/2011	WO2010122398A8 Speakerphone apparatus
11/2011
11/30/2011	CN102265589A 确定在远端谈话人信号与组合信号之间的声耦合 Determine the acoustic coupling between the distal end talker signal and the combined signal
11/30/2011	CN102263866A 使用固定回波消除滤波器系数的方法和音频通信装置 Echo cancellation filter coefficients using a fixed method and an audio communication device
11/29/2011	US8068884 Acoustic echo reduction circuit for a “hands-free” device usable with a cell phone
11/24/2011	DE102010013692A1 Home interphone establishing method, involves merging terminals into networks, generating data file, assigning identifiers to map references, adjusting one of map references, and storing data file centrally in server
11/22/2011	US8064595 Adaptive mute
11/22/2011	US8064593 Auto host disconnect on loss of power to a headset amplifier
11/22/2011	US8064592 Adaptive communication systems and methods
11/22/2011	US8064591 Sound pick-up method and device, in particular for handsfree telephone terminals
11/22/2011	CA2559668C Adaptive coupling equalization in beamforming-based communication systems
11/17/2011	DE102010014586A1 Locking and unlocking construction unit for mutual locking of device cover and housing at station in house communication system, has locking element attached at cover that slides against housing locking by deflection of securing element
11/16/2011	CN101175342B Hearing system with remote control as a base station and corresponding communication method
11/15/2011	US8060055 Method, system and color ring back tone platform for downloading media resources to terminal
11/15/2011	CA2523781C Distributed gain network
11/09/2011	CN202035056U Communication echo eliminating device
11/09/2011	CN202035043U Communicator for locomotive double heading
11/08/2011	US8055406 Hands-free system, navigation system, and terminal memory data management method
11/08/2011	US8055004 Fiber optic earpiece to reduce radiation transmitted to a cell phone user
11/08/2011	US8054988 Communications device for transmitting acoustic signals in a motor vehicle
11/08/2011	US8054966 Echo cancellation and noise reduction adaptation during ringing signal playback
11/03/2011	DE102010051837B3 Verfahren zum Einrichten eines aus mindestens einer Türstation und mindestens einer Wohnungsstation zu bildenden Haus- Kommunikationssystems A method for establishing one of at least one door station and at least one home station to forming domestic communication system
11/03/2011	DE102010022811B3 Verfahren zur Inbetriebnahme eines Türzugangssystems eines Hauses Method for starting a door access system of a house
11/02/2011	EP2044762B1 Echo cancellation and noise reduction adaptation during ringing signal playback
11/01/2011	US8051309 Method and apparatus to combine power and control signals in a mobile computing device
11/01/2011	US8050720 Speed dialing method for displaying contact information and mobile communication device using the same
11/01/2011	US8050398 Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
11/01/2011	US8050397 Multi-tone signal discriminator
10/2011
10/27/2011	WO2011133075A1 An echo canceller and a method thereof
10/27/2011	US20110261950 Adaptive filter and echo canceller having this adaptive filter
10/27/2011	US20110261949 Techniques for Implementing Adaptation Control of an Echo Canceller to Facilitate Detection of In-Band Signals
10/27/2011	US20110261948 Techniques for Updating Filter Coefficients of an Adaptive Filter
10/26/2011	EP2381738A1 Adaptive volume adjustment method, device and communication terminal
10/26/2011	EP2380339A1 Determining an acoustic coupling between a far-end talker signal and a combined signal
10/26/2011	CN202019394U Talkback system capable of eliminating voice echo
10/26/2011	CN202019393U Terminal
10/26/2011	CN102227905A Systems and methods for double-talk detection in acoustically harsh environments
10/26/2011	CN101252373B Local terminal equipment, signal separator and communicating system
10/25/2011	US8046032 Panel construction for housing keypads of mobile computing device
10/25/2011	US8045704 Electronic apparatus and jig system
10/25/2011	US8045703 Apparatus and method for echo-cancellation
10/25/2011	US8045702 Multi-path active hybrid circuit
10/25/2011	US8045701 Method and apparatus for active reduction of speakerphone singing
10/20/2011	US20110255621 Synchronized multipoint-to-point communication using orthogonal frequency division
10/19/2011	EP2084893B1 Circuit for reducing the acoustic echo for a hands-free device usable with a portable telephone
10/19/2011	CN102223456A Echo signal processing method and apparatus thereof
10/19/2011	CN102223428A Noise reducing method and mobile terminal
10/18/2011	US8041066 Wireless system for hearing communication devices providing wireless stereo reception modes
10/18/2011	US8041028 Double-talk detection
10/18/2011	US8041027 Electricity echo cancellation device and method
10/18/2011	US8041016 Method and device for access communication/control
10/18/2011	US8040873 Distributed integration of legacy PBX system with SIP networks
10/13/2011	DE102010014587A1 Home station for home communication system, has electronic module with rewritable memory functions, control keys and floor call control options, and selection menu produced for user guide on picture screen
10/13/2011	DE102010014585A1 Loading station of house interphone, has functional keys with call acceptance and door opening functions, that are provided on loading shell and illuminated in specified manner
10/13/2011	DE102010014471A1 Hauskommunikations-Gateway House communications gateway
10/13/2011	DE102010014352A1 Connecting device for electrical connection of inner station of house communication system to connection box, has electrical plug connector with two plug parts and another electrical plug connector with other two plug parts
10/13/2011	DE102010014351A1 House interphone operating method, involves flowing data streams with data in overlapping manner during data transmission, and decoupling flow of data streams from each other depending on data streams in different sections of transmission
10/12/2011	EP2375778A2 Method and system for nonlinear acoustic echo cancellation in hands-free telecommunication devices
10/11/2011	US8036723 Keypad and microphone arrangement
10/11/2011	US8036713 Apparatus and method for providing standby screen image of mobile terminal
10/11/2011	US8036376 Echo prevention circuit having adaptive digital filter
10/11/2011	CA2227267C Reconfigurable on-demand telephone and data line system
10/06/2011	WO2011120950A1 Television appliance
10/06/2011	US20110243318 Apparatus and method for canceling echo
10/06/2011	US20110242963 Systems and methods for orthogonal frequency division multiplexing
10/06/2011	DE102010013694A1 Method for operating house interphone of home communication system communicated with plant, involves executing command signals received at passive devices if authority polling is satisfied
10/05/2011	EP2371118A1 Systems and methods for double-talk detection in acoustically harsh environments
10/05/2011	CN202004849U Bidirectional active noise reduction device used for cellphone
10/05/2011	CN101277331B Sound reproducing device and sound reproduction method
10/04/2011	US8032365 Method and apparatus for controlling echo in the coded domain
10/04/2011	US8032192 Portable terminal and sliding/swing-type cradling apparatus thereof
10/04/2011	US8031864 Dual-purpose hardware aperture
10/04/2011	US8031863 Apparatus and method for controlling acoustic echo cancellation in mobile communication terminal
10/04/2011	US8031853 Multi-pod conference systems
10/04/2011	US8031178 Keyboard with chassis structure

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