| Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105) |
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| 06/17/2009 | EP2070302A2 Automation of the configuration of a telecommunication terminal |
| 06/17/2009 | CN100502599C Security management method for mobile phone |
| 06/17/2009 | CN100502443C Apparatus for controlling echo suppression in communications systems |
| 06/16/2009 | US7548617 Bluetooth earphone |
| 06/16/2009 | US7548616 Termination device for a telephone line |
| 06/16/2009 | US7548508 System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system |
| 06/11/2009 | WO2009073305A1 Wireless device activation |
| 06/11/2009 | US20090147942 Reducing Echo |
| 06/11/2009 | US20090147666 METHOD, SYSTEM AND DEVICE FOR xDSL CROSSTALK CANCELLATION |
| 06/11/2009 | CA2697427A1 Wireless device activation |
| 06/10/2009 | CN101453532A Sound processing equipment used in loudspeaker switch |
| 06/10/2009 | CN100499721C Echo canceller circuit and method |
| 06/10/2009 | CN100499685C Speakerphone and method for establishing a session telephone |
| 06/09/2009 | US7545926 Echo and noise cancellation |
| 06/04/2009 | WO2009070073A1 A method and arrangement for echo cancellation of voice signals |
| 06/03/2009 | EP1602223B1 Echo canceller with reduced requirement for processing power |
| 06/03/2009 | CN100496077C Device and method for reducing white noise of mobile communication terminal |
| 06/02/2009 | US7542565 Foldable cellular phone |
| 06/02/2009 | US7542564 Headset with integral hook |
| 06/02/2009 | US7542563 Retractable headset for an audio playback system |
| 06/02/2009 | US7542562 Method for automatically adapting levels of signals exchanged in a communication network |
| 05/28/2009 | US20090136020 Method and apparatus for echo cancellation |
| 05/27/2009 | CN100492495C Apparatus and method for detecting noise |
| 05/27/2009 | CN100492494C System and method for echo suppression of grouped speech |
| 05/26/2009 | US7539479 Use of T1 facility data link to transport status and configuration data packets for loop-powered T1 radio |
| 05/26/2009 | US7539303 Keypad assembly |
| 05/26/2009 | US7539302 Dockable earpiece for portable phones |
| 05/26/2009 | US7539300 Echo canceller with enhanced infinite and finite ERL detection |
| 05/26/2009 | US7539299 Office-line trunk circuit operating on ground-start and loop-start modes, method of controlling same, and control program for same |
| 05/26/2009 | US7539126 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 05/26/2009 | US7537964 Method of fabricating a miniature silicon condenser microphone |
| 05/21/2009 | US20090129584 Echo Canceller |
| 05/20/2009 | EP1721442A4 Accoustic echo canceller with multimedia training signal |
| 05/20/2009 | CN101437094A Method and apparatus for suppression of stereo background noise of mobile terminal |
| 05/19/2009 | US7536010 Exchange system, button telephone set and exchange |
| 05/19/2009 | US7536009 Folder type mobile terminal |
| 05/19/2009 | US7536007 Echo cancellation using adaptive IIR and FIR filters |
| 05/19/2009 | US7536006 Method and system for near-end detection |
| 05/19/2009 | US7535822 Synchronization of remote units for a communication network |
| 05/14/2009 | WO2009061711A1 Dynamic current limits |
| 05/14/2009 | US20090122975 Method, system and apparatus for controlling an echo canceller during faxing |
| 05/14/2009 | US20090122970 Authentication Apparatus |
| 05/14/2009 | US20090122883 Follow-up synchronization to maintain synchronization throughout transmission |
| 05/14/2009 | US20090122881 Follow-up synchronization to maintain synchronization throughout transmission |
| 05/13/2009 | EP2059015A2 Automobile noise suppression system and method thereof |
| 05/13/2009 | EP2059014A1 Echo canceller and echo cancelling program |
| 05/13/2009 | EP2057835A1 Method of reducing the residual acoustic echo after echo removal in a hands-free device |
| 05/13/2009 | EP2057834A1 Circuit for reducing acoustic echo for a hands-free device usable with a portable telephone |
| 05/13/2009 | CN201238321Y Double-panel structure of ladder entrance machine with anti-detaching function |
| 05/13/2009 | CN100488072C Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus |
| 05/12/2009 | US7532719 Voice absorber for portable telephonic devices |
| 05/12/2009 | US7532718 Headphone receiver apparatus for use with low power transmitters |
| 05/12/2009 | US7532717 Echo canceler with automatic gain control of echo cancellation signal |
| 05/12/2009 | US7532566 Use of identifier of remote unit for downstream signals |
| 05/07/2009 | WO2007038085A3 Line drivers with extended linearity |
| 05/07/2009 | US20090116638 Systems and Methods for Adaptive Echo Cancellation |
| 05/07/2009 | US20090116637 Method for seamless noise suppression on wideband to narrowband cell switching |
| 05/06/2009 | EP2055018A2 Code-based echo cancellation |
| 05/05/2009 | US7529847 Access to audio output via capture service |
| 05/05/2009 | US7529566 Speakerphone with a cellular phone connection |
| 05/05/2009 | US7529564 Timed ring suppressor |
| 05/05/2009 | US7529545 Sound enhancement for mobile phones and others products producing personalized audio for users |
| 05/05/2009 | US7529364 Protective cover for electronic device |
| 05/05/2009 | US7529213 Method and arrangement for signalling in a wireless IP multimedia network and a wireless IP multimedia network terminal device |
| 04/30/2009 | WO2009055290A1 Controlling echo in a wideband voice conference |
| 04/30/2009 | US20090110185 Vehicle call device, call system, center, and calling method |
| 04/29/2009 | CN101420491A Method, apparatus and controller for ear microphone denoising |
| 04/29/2009 | CN100484178C Microphone system and microphone apparatus |
| 04/29/2009 | CN100484177C Stereo microphone processing for teleconferencing |
| 04/29/2009 | CN100484149C Torque cell |
| 04/28/2009 | US7526083 Ground connecting apparatus for mobile terminal |
| 04/28/2009 | US7526082 Portable terminal and opening or closing method therefor |
| 04/28/2009 | US7525952 Method and apparatus for determining the source of user-perceived voice quality degradation in a network telephony environment |
| 04/23/2009 | WO2008123876A4 Broadband data and voice communications over wireless and powerline hybrid networks |
| 04/23/2009 | US20090106122 Method and Apparatus for Simplified E-Commerce Shopping Via Home Shopping Terminals |
| 04/23/2009 | US20090103712 Controlling echo in a wideband voice conference |
| 04/23/2009 | US20090103704 Voice information processing device and wiring system using the same device |
| 04/23/2009 | DE202009001903U1 Babyphone Baby Monitor |
| 04/22/2009 | EP1629353A4 Element management system for managing line-powered network elements |
| 04/22/2009 | CN101414839A Portable electronic device and noise elimination method therefore |
| 04/21/2009 | US7522946 Hinge apparatus for mobile communication terminals |
| 04/21/2009 | US7522722 System and method for interfacing plain old telephone system (POTS) devices with cellular devices in communication with a cellular network |
| 04/16/2009 | WO2007025052A3 System and method for remotely controlling a device or system with voice commands |
| 04/16/2009 | WO2007002590A3 Network interface device with a remote power source |
| 04/15/2009 | EP2048659A1 Gain and spectral shape adjustment in audio signal processing |
| 04/15/2009 | EP1620953B1 Bi-stable hinge and mobile station using the same |
| 04/15/2009 | CN201222765Y Modular structure for elevator mouth set of building interphone |
| 04/15/2009 | CN201222727Y Public frequency band intercommunication equipment with function of transmitting and receiving short message |
| 04/15/2009 | CN100479034C Sound signal processing apparatus and speech strengh computation method |
| 04/14/2009 | US7519176 Key telephone set having interchangeable units |
| 04/14/2009 | US7519175 Integral microphone and speaker configuration type two-way communication apparatus |
| 04/14/2009 | US7519174 Communication terminal with casing conductors for reducing antenna gain degradation |
| 04/09/2009 | WO2006104717A3 In-field upgrade managment of data capture systems |
| 04/09/2009 | US20090092243 Protection Circuit and Method |
| 04/09/2009 | US20090092236 System and method for integrated intercom and distributed audio/video system with security interface |
| 04/09/2009 | US20090092040 Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system |
| 04/09/2009 | CA2700858A1 Dual-band line interface circuit capable of multi-band communication |
| 04/08/2009 | EP2045929A1 Multi-channel echo cancellation with round robin regularization |
| 04/08/2009 | EP2045928A1 Multi-channel echo cancellation with round robin regularization |
| 04/08/2009 | EP2045801A1 Efficient audio signal processing in the sub-band regime |