| Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105) |
|---|
| 10/23/2008 | WO2006098983A3 Mounting pedestal for a cellular signal enhancer |
| 10/23/2008 | US20080260141 Method and apparatus for enhanced convergence of the normalized LMS algorithm |
| 10/23/2008 | DE202008009923U1 Videotürsprechanlage Videophone |
| 10/23/2008 | DE112006003291T5 Ein DSL-Modem und ein Verfahren zum Bereitstellen von Betriebsleistung dafür A DSL modem and a method for providing operating power for |
| 10/22/2008 | EP1982509A1 Acoustic echo canceller |
| 10/22/2008 | EP1186156B1 Adaptability to multiple hands-free communication accessories |
| 10/22/2008 | CN101292508A Acoustic echo canceller |
| 10/22/2008 | CN101291377A Echo eliminating method for network telephone |
| 10/21/2008 | US7440891 Speech processing method and apparatus for improving speech quality and speech recognition performance |
| 10/21/2008 | US7440391 Method and system for dynamic bandwidth allocation |
| 10/16/2008 | WO2008122930A1 Sound enhancement in closed spaces |
| 10/16/2008 | WO2008024852A3 Method and apparatus for alternate content scheduling on mobile devices |
| 10/16/2008 | WO2008005599A3 Electronic device having a single-split hinge |
| 10/16/2008 | US20080253553 Filter bank optimization for acoustic echo cancellation |
| 10/16/2008 | US20080253552 Acoustic Echo Canceller |
| 10/16/2008 | US20080253435 Systems and method for orthogonal frequency divisional multiplexing |
| 10/16/2008 | CA2683200A1 Broadband data and voice communications over wireless and powerline hybrid networks |
| 10/15/2008 | CN100426819C Echo signal suppressor |
| 10/14/2008 | US7437140 Power line network bridge |
| 10/14/2008 | US7436952 Earset microphone |
| 10/14/2008 | US7436951 Portable interconnection system for incompatible audio communication networks |
| 10/14/2008 | US7436812 System for oderwire modulation |
| 10/14/2008 | US7436787 Transceiver for full duplex communication systems |
| 10/09/2008 | WO2008120436A2 Voice conference apparatus providing microphone directivity to reduce acoustic coupling |
| 10/09/2008 | US20080247536 Spectral domain, non-linear echo cancellation method in a hands-free device |
| 10/09/2008 | US20080247535 Method and apparatus for mitigating impact of nonlinear effects on the quality of audio echo cancellation |
| 10/07/2008 | US7433680 Incoming call management in a push-to-talk communication system |
| 10/07/2008 | US7433468 Electrical device for adjusting the angle between a top module and a bottom module |
| 10/07/2008 | US7433467 Portable wireless terminal with ground connecting device which uses a hinge device |
| 10/07/2008 | US7433466 Radio handset |
| 10/07/2008 | US7433463 Echo cancellation and noise reduction method |
| 10/07/2008 | CA2365165C Key telephone system, key telephone, interface unit, and transmission scheme determination method |
| 10/02/2008 | US20080240415 Hybrid echo canceller controllers |
| 10/02/2008 | US20080240414 Hybrid echo canceller controllers |
| 10/02/2008 | US20080240413 Cross-correlation based echo canceller controllers |
| 10/02/2008 | US20080240412 Maintaining convergence of a receiver during changing conditions |
| 10/02/2008 | US20080240410 Systems and method for orthogonal frequency divisional multiplexing |
| 10/02/2008 | US20080240214 Systems and method for orthogonal frequency divisional multiplexing |
| 10/01/2008 | EP1976139A1 Echo erase device |
| 10/01/2008 | CN101277331A Sound reproducing device and sound reproduction method |
| 09/30/2008 | US7430412 Digitally programmable continuously variable precision microwave attenuator |
| 09/30/2008 | US7430291 Common mode transmission line termination |
| 09/25/2008 | WO2008083086A3 System and method for acoustic echo removal (aer) |
| 09/25/2008 | US20080232579 Telephone communication system over a single telephone line |
| 09/25/2008 | US20080232578 Ethernet voltage source apparatus and method |
| 09/25/2008 | US20080232577 Echo cancellation |
| 09/24/2008 | CN101273618A 反馈声音消除设备 Feedback sound elimination equipment |
| 09/23/2008 | US7428304 Method and apparatus for detecting subscriber alerting signal tones and customer premises equipment alerting signal tones to non-echo canceling modems |
| 09/18/2008 | WO2008112539A1 Method and apparatus for voice communication |
| 09/18/2008 | WO2008112536A1 Full duplex hands-free telephone system |
| 09/18/2008 | WO2008112531A1 Method and apparatus for echo cancellation |
| 09/18/2008 | WO2008112302A1 Wireless headset with microphone boom with new bending properties |
| 09/18/2008 | US20080225692 Systems and method for orthogonal frequency divisional multiplexing |
| 09/18/2008 | US20080225691 Systems and method for orthogonal frequency divisional multiplexing |
| 09/18/2008 | US20080225690 Systems and method for orthogonal frequency divisional multiplexing |
| 09/17/2008 | EP1745637B1 Conference terminal comprising echo reduction for a voice conferencing system |
| 09/16/2008 | US7426379 Method and system for sound mitigation during initiation of a packet-based real-time media session |
| 09/16/2008 | US7426270 Method and system for clear signal capture |
| 09/16/2008 | US7426177 Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/11/2008 | US20080219434 Method and apparatus for voice communication |
| 09/11/2008 | US20080219433 Full duplex hands-free telephone system |
| 09/11/2008 | US20080219431 Method and apparatus for echo cancellation |
| 09/11/2008 | US20080219430 Outlet add-on module |
| 09/10/2008 | CN201114311Y Medical care system calling hand handle |
| 09/10/2008 | CN101263705A Sound pick-up method and device for, in particular in handsfree telephone terminals |
| 09/10/2008 | CN101262530A A device for eliminating echo of mobile terminal |
| 09/10/2008 | CN101262251A Passive echo elimination device and its signal receiving/transmission method |
| 09/04/2008 | WO2008105537A1 Interphone system and master unit of interphone |
| 09/04/2008 | WO2008105536A1 Interphone system and master unit of interphone |
| 09/04/2008 | WO2008105450A1 Intercom system, intercom parent, and fire alarm |
| 09/04/2008 | US20080214140 Powered patch panel |
| 09/03/2008 | EP1964377A2 High performance adsl line conditioner system and method |
| 09/03/2008 | CN101258733A Discussion unit with changeable push button |
| 09/02/2008 | US7420937 Selectively adaptable far-end echo cancellation in a packet voice system |
| 09/02/2008 | US7420914 Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/02/2008 | US7420913 Method for tone hopping in a multipoint-to-point orthogonal frequency division multiplexing communication system |
| 09/02/2008 | US7419099 Portable terminal and swing hinge module thereof |
| 08/28/2008 | WO2008103087A1 Double talk detector |
| 08/28/2008 | WO2007079113A3 Network interface device, apparatus, and methods |
| 08/28/2008 | WO2005074602A3 Push-button hinge for handheld devices |
| 08/28/2008 | US20080205633 Estimating delay of an echo path in a communication system |
| 08/28/2008 | US20080205632 Packet voice system with far-end echo cancellation |
| 08/27/2008 | EP1961204A1 Feedback sound eliminating apparatus |
| 08/27/2008 | EP1745469A4 Noise suppression based on bark band weiner filtering and modified doblinger noise estimate |
| 08/27/2008 | CN101253755A Audio data stream synchronization |
| 08/27/2008 | CN101252373A Local terminal equipment, signal separator and communicating system |
| 08/26/2008 | US7417944 Method for orderwire modulation |
| 08/26/2008 | CA2414972C Gain control method for acoustic echo cancellation and suppression |
| 08/26/2008 | CA2327712C Procedure for connecting a mobile radio network to a target destination call number in a private communication network |
| 08/21/2008 | WO2008061205A9 Integrated vehicle communication system |
| 08/21/2008 | WO2007097987A3 System and method for advertising on remote devices |
| 08/21/2008 | WO2007079111A3 Network interface device, apparatus, and methods |
| 08/21/2008 | WO2007062287A8 Method and apparatus for double-talk detection in a hands-free communication system |
| 08/21/2008 | US20080198779 Multi-channel communication device and methods for reducing echoes by inserting a training sequence under a spectral mask |
| 08/21/2008 | US20080198778 Audio communication device and methods for reducing echoes by inserting a training sequence under a spectral mask |
| 08/20/2008 | EP1958429A1 Method for controlling the adaptive behavior of acoustic echo compensation |
| 08/19/2008 | US7415086 Multi-channel communication system for multiple input, multiple output processing of an encoded signal |
| 08/19/2008 | US7414961 System and method for multiframe alignment in a multipoint-to-point orthogonal frequency division multiplexing system |
| 08/19/2008 | US7414960 Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 08/13/2008 | EP1955532A2 Method and apparatus for double-talk detection in a hands-free communication system |