| Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105) |
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| 08/02/2006 | CN1813417A Multiple channel interference cancellation |
| 08/01/2006 | US7085715 Method and apparatus of controlling noise level calculations in a conferencing system |
| 08/01/2006 | US7085542 Portable device including a replaceable cover |
| 08/01/2006 | US7085374 Distributed echo cancelling |
| 08/01/2006 | US7085372 Method and device for transmitting a transmission signal via a two-core line |
| 08/01/2006 | US7085361 Methods and systems for communication from an exterior of a location |
| 08/01/2006 | US7085245 Coefficient domain history storage of voice processing systems |
| 08/01/2006 | CA2384975C Electronic digital door opener |
| 07/27/2006 | WO2006031746A3 An adaptor connecting telephone signals to a telephone to adapt the telephone for use by a child |
| 07/27/2006 | WO2005039234A3 Protective cover assembly |
| 07/27/2006 | WO2005006714A3 Carabiner communication device |
| 07/27/2006 | US20060166624 Measuring a talking quality of a communication link in a network |
| 07/27/2006 | US20060165019 Echo-suppression with short delay |
| 07/26/2006 | EP1684442A1 Echo suppression device |
| 07/26/2006 | EP1683328A2 Two-way communications device having a single transducer |
| 07/26/2006 | EP0968572B1 Multi-input wireless phone with echo suppression |
| 07/26/2006 | CN1810019A Statistical adaptive-filter controller |
| 07/26/2006 | CN1810015A Echo canceller with reduced requirement for processing power |
| 07/26/2006 | CN1810012A Torque cell |
| 07/26/2006 | CN1810011A Bi-stable hinge and systems using same |
| 07/26/2006 | CN1809105A Dual-microphone speech enhancement method and system applicable to mini-type mobile communication devices |
| 07/25/2006 | US7082196 Flexible structure, hinge, shutter, mobile communications apparatus and mobile telephone |
| 07/25/2006 | US7082195 Bus system for transmitting optical signals |
| 07/20/2006 | US20060160581 Echo suppression for compressed speech with only partial transcoding of the uplink user data stream |
| 07/19/2006 | EP1680910A1 Device and method for processing an input signal |
| 07/19/2006 | EP1393461B1 Echo canceller and a method of cancelling echo |
| 07/19/2006 | EP1180300B1 Acoustic echo cancellation |
| 07/19/2006 | CN1806423A A method for enhancing the acoustic echo cancellation system using residual echo filter |
| 07/19/2006 | CN1805011A Adaptive filter method and apparatus for improving speech quality of mobile communication apparatus |
| 07/18/2006 | US7079645 Speaker volume control for voice communication device |
| 07/18/2006 | US7079175 Television intercom system |
| 07/18/2006 | CA2358063C Use of handset microphone to enhance speakerphone loudspeaker performance |
| 07/13/2006 | US20060153360 Speech signal processing with combined noise reduction and echo compensation |
| 07/13/2006 | US20060153359 Device and method for suppressing echo, in particular in telephones |
| 07/13/2006 | DE202006004395U1 Hauskommunikationsanlage House communication system |
| 07/12/2006 | EP1679874A1 Feedback reduction in communication systems |
| 07/12/2006 | CN1802034A Practical sound signal pick-up device for acoustic echo cancelled system sound source |
| 07/12/2006 | CN1801326A Method for adaptively improving speech recognition rate by means of gain |
| 07/11/2006 | US7076056 Methods and apparatus for a bridge tap moderator |
| 07/11/2006 | US7076053 System for the processing of audio data used for music on hold and paging in a private branch exchange |
| 07/06/2006 | WO2006071119A1 Audio system and method for acoustic echo cancellation |
| 07/06/2006 | WO2006033855A3 Scaled signal processing elements for reduced filter tap noise |
| 07/06/2006 | US20060149542 Methods and apparatus for echo cancellation using an adaptive lattice based non-linear processor |
| 07/06/2006 | US20060147063 Echo cancellation in telephones with multiple microphones |
| 07/06/2006 | US20060147035 Hinge assembly for portable electronic devices |
| 07/06/2006 | US20060147032 Acoustic echo devices and methods |
| 07/06/2006 | US20060147031 Echo cancellation using adaptive IIR and FIR filters |
| 07/06/2006 | US20060147030 Echo cancellation using adaptive IIR and FIR filters |
| 07/06/2006 | US20060147029 System and method facilitating acoustic echo cancellation convergence detection |
| 07/06/2006 | US20060147028 Multi-mode, multi-channel psychoacoustic processing for emergency communications |
| 07/06/2006 | DE202006005483U1 House communication system, has subscriber station including TV-input for feeding TV-signal and activation unit for activating television operation and for playing back TV-signal over audio unit and video unit |
| 07/05/2006 | EP1677492A1 Modular Door Intercom System |
| 07/05/2006 | CN1798217A System for limiting receive audio |
| 07/05/2006 | CN1798193A Mobile communication terminal equipped with speaker phone function and method for removing feedback effect when speaker phone is used |
| 07/05/2006 | CN1797546A Echo cancellation using adaptive iir and IIR and FIR filters |
| 07/05/2006 | CN1797545A Echo cancellation using adaptive IIR and FIR filters |
| 07/04/2006 | US7072466 Method and apparatus for canceling echo in a telephone communication system |
| 07/04/2006 | US7072464 Network communication device and hybrid circuit thereof |
| 07/04/2006 | US7072462 Estimation of DSL telephone loop capability using CAZAC sequence |
| 07/04/2006 | US7072310 Echo canceling system |
| 06/29/2006 | WO2006068538A1 Multipurpose voice communication device for a mobile telephone |
| 06/29/2006 | US20060140393 Echo canceller employing dual-H architecture having improved non-linear echo path detection |
| 06/29/2006 | US20060140392 Echo detector having correlator with preprocessing |
| 06/29/2006 | DE19526749B4 Schaltkreis und Verfahren zur Verringerung von Eigenecho in einem Empfangssignalpfad Circuit and method for reducing side tone in a received signal path |
| 06/28/2006 | EP1675374A1 Circuit and method for estimating a room impulse response |
| 06/28/2006 | EP1673960A1 Communication headset with signal processing capability |
| 06/28/2006 | CN2792051Y Two-way hand-free intercom for improving feedback |
| 06/27/2006 | US7069577 Dynamic bandwidth allocation |
| 06/27/2006 | US7069286 Solution space principle component-based adaptive filter and method of operation thereof |
| 06/27/2006 | US7069046 System and method for base station initiated call setup |
| 06/27/2006 | US7068798 Method and system for suppressing echoes and noises in environments under variable acoustic and highly feedback conditions |
| 06/27/2006 | US7068797 Microphone circuits having adjustable directivity patterns for reducing loudspeaker feedback and methods of operating the same |
| 06/27/2006 | US7068780 Hybrid echo canceller |
| 06/27/2006 | US7068711 Multi-function equalizer arrangement |
| 06/22/2006 | US20060133602 Flexible hook switch driver circuit |
| 06/22/2006 | US20060133601 Supply circuit for supplying a two-wire line |
| 06/22/2006 | US20060133600 Flexible hybrid structure tunable for different telecom market solutions |
| 06/22/2006 | US20060133599 Isolation of transmit and receive signals |
| 06/22/2006 | US20060133598 Isolation of transmit and receive signals in full-duplex communication systems |
| 06/22/2006 | DE202006005191U1 Home communication system, has television set-gateway-station connected or attached to bus and including unit for converting bus-video signals to television set-input signals of usual television sets |
| 06/21/2006 | EP1672803A2 System for limiting receive audio |
| 06/21/2006 | CN2790060Y Antiexplosive audio power amplifying command intercommunication telephone |
| 06/21/2006 | CN1792084A Microphone circuit having adjustable directivity pattern for reducing loudspeaker feedback and method of operating the same |
| 06/21/2006 | CN1791160A Interphone system of collective residence |
| 06/21/2006 | CN1791143A Vehicle-carried hands-free telephone device based on microphone array |
| 06/20/2006 | US7065207 Controlling attenuation during echo suppression |
| 06/20/2006 | US7065206 Method and apparatus for adaptive echo and noise control |
| 06/20/2006 | US7065205 Line sharing multipoint pots splitter amplifier-based coupler |
| 06/20/2006 | US7065196 Entrance intercom system |
| 06/15/2006 | WO2006061878A1 Window communication device |
| 06/15/2006 | US20060126823 Device and method for processing audio signals and telecommunication set equipped with such a processing device |
| 06/15/2006 | US20060126822 System for limiting receive audio |
| 06/14/2006 | EP1668958A1 Bluetooth enabled hearing aid |
| 06/14/2006 | DE202006005984U1 Inboard station for home intercom, has rigid cover partly covering front side, rear side and side surfaces of housing and including aperture in area of display device, where cover is in the form of support and is made from metal |
| 06/14/2006 | DE19861341B4 Method of controlling howling signals in telephone circuit |
| 06/14/2006 | DE102004059224A1 Door intercom system has living telephone equipment with mobile radio module for making mobile connection with mobile telephone |
| 06/14/2006 | CN1787079A Apparatus and method for detecting moise |
| 06/13/2006 | US7062060 Outer mirror and interphone for a vehicle |
| 06/13/2006 | US7062042 Combination exterior telephone service terminal and splicing chamber |
| 06/13/2006 | US7062041 Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels |