| Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105) |
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| 05/29/2008 | WO2008062606A1 Intercom device |
| 05/29/2008 | US20080123514 Methods for multiframe alignment |
| 05/27/2008 | US7379763 Automatic sliding mechanism |
| 05/22/2008 | WO2008058492A1 Method and arrangement for the adaptive filtering of signals |
| 05/22/2008 | US20080118055 Echo processing method and device |
| 05/20/2008 | US7376231 Abuse resistant safety telephone and method of adaptation |
| 05/20/2008 | US7376230 Mobile phone and battery-release device |
| 05/20/2008 | US7373692 Parallel plane rotation hinge for a portable device |
| 05/15/2008 | WO2008056503A1 Door phone system |
| 05/14/2008 | CN101179635A Device, method and system for performing echo control to hand-free telephone |
| 05/14/2008 | CN101179296A Echo canceller and audio processing apparatus |
| 05/14/2008 | CN101179295A Echo canceller and communication audio processing apparatus |
| 05/14/2008 | CN101179294A Self-adaptive echo eliminator and echo eliminating method thereof |
| 05/13/2008 | CA2453867C Echo cancellation/suppression and double-talk detection in communication paths |
| 05/13/2008 | CA2416003C Method and apparatus of controlling noise level calculations in a conferencing system |
| 05/08/2008 | WO2008031988A3 Automation of the configuration of a telecommunication terminal |
| 05/08/2008 | WO2007044636A3 Power line communication and ac power outlet apparatus and method |
| 05/08/2008 | US20080107280 Noisy environment communication enhancement system |
| 05/07/2008 | CN101175342A Hearing system with remote control as a base station and corresponding communication method |
| 05/07/2008 | CN101175122A Apolegamy method of voice reinforced channel in communication network |
| 05/06/2008 | US7369838 Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input |
| 05/06/2008 | US7369655 Telephone handset universal connector |
| 05/02/2008 | WO2008049983A1 Circuit for reducing the acoustic echo for a “hands-free” device usable with a portable telephone |
| 05/02/2008 | WO2008049982A1 Method of reducing the residual acoustic echo after echo removal in a “hands-free” device |
| 05/02/2008 | WO2008049981A1 Circuit for reducing acoustic echo for a “hands-free” device usable with a portable telephone |
| 05/01/2008 | US20080102782 Mobile communication terminal providing ring back tone |
| 05/01/2008 | US20080101594 Keypad having keys with angled engagement surfaces, and associated handheld electronic device |
| 05/01/2008 | US20080101593 Circuit method and system for transmitting information |
| 05/01/2008 | US20080101592 Line driver with active termination |
| 05/01/2008 | US20080101591 System and method for selecting a profile for a digital subscriber line |
| 05/01/2008 | US20080101590 Digital DC Feed for a Subscriber Line Interface Circuit |
| 04/30/2008 | EP1704748B1 Audio system providing for filter coefficient copying |
| 04/30/2008 | DE112006001684T5 Digitale Isolationsbarriere mit einzelnem Transformator Digital isolation barrier with single transformer |
| 04/30/2008 | DE102006051133B3 House installation, has residence stations and door station that are attached to bus and are switched-off in response to door opener signal in base with respect to energy supply of bus |
| 04/30/2008 | DE102006050845A1 House installation, has control device i.e. transponder, that controls door station by wireless signal transmission device, which has radio frequency identification range, where door station is connected with apartment stations |
| 04/30/2008 | DE102006049213A1 Hörsystem mit Fernbedienung als Basisstation und entsprechendes Kommunikationsverfahren Hearing system with remote control base station and appropriate communication method |
| 04/29/2008 | US7366298 Headset |
| 04/29/2008 | US7366296 Network support for voice path signal strength balancing |
| 04/24/2008 | WO2008048431A1 Wireless access point network system supported through existing transmission lines |
| 04/24/2008 | US20080095156 Healthcare computer system with intra-room network |
| 04/23/2008 | EP1912601A2 Method and system for clear signal capture |
| 04/23/2008 | CN201051746Y Improved phone with aesthetic feeling and practical value |
| 04/22/2008 | US7363045 Systems and methods for exchanging data and audio between cellular telephones and landline telephones |
| 04/22/2008 | US7362858 High-speed telephone connection |
| 04/22/2008 | US7362857 Subscriber line interface circuitry transceiver |
| 04/22/2008 | US7362856 Subscriber line interface circuitry transceiver |
| 04/22/2008 | US7362855 Subscriber line interface circuitry transceiver |
| 04/17/2008 | WO2007079074A3 Network interface device, apparatus, and methods |
| 04/17/2008 | US20080089512 Implementation of a communication link in powered device for layer 2 support |
| 04/16/2008 | EP1911258A1 Method and system for low delay echo cancelling |
| 04/16/2008 | CN201048423Y Centralized power amplifier of scheduling user machine |
| 04/16/2008 | CN101164331A Signaling method in IP telephone system, IP telephone system and IP telephone apparatus |
| 04/16/2008 | CN101163178A Echo counteracting method and system in wireless communication system |
| 04/16/2008 | CN101163177A Device to implement radio microphone function of mobile phone |
| 04/16/2008 | CN100382141C System and method for inhibitting wind noise |
| 04/15/2008 | US7359738 Method and apparatus for establishing an audio link to a wireless earpiece in reduced time |
| 04/15/2008 | US7359506 Opening and closing device and electronic equipment using the same |
| 04/15/2008 | US7359504 Method and apparatus for reducing echo and noise |
| 04/10/2008 | US20080085009 Echo Cancellation |
| 04/09/2008 | EP0811301B1 Apparatus and method for adaptively precompensating for loudspeaker distortions |
| 04/08/2008 | US7355964 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems |
| 04/08/2008 | US7355963 Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing |
| 04/03/2008 | US20080082598 Systems and method for orthogonal frequency divisional multiplexing |
| 04/03/2008 | US20080080702 Method, System, and Computer-Readable Medium for Calculating an Echo Path Delay |
| 04/03/2008 | DE202004021465U1 Hauskommunikationsanlage House communication system |
| 04/02/2008 | EP1905224A2 Audio data stream synchronization |
| 04/01/2008 | US7353407 Methods and apparatus for provisioning phantom power to remote devices |
| 04/01/2008 | US7353042 Wireless call system |
| 04/01/2008 | US7353002 Measuring a talking quality of a communication link in a network |
| 04/01/2008 | US7352859 Audio earpiece for wideband telephone handsets |
| 04/01/2008 | US7352858 Multi-channel echo cancellation with round robin regularization |
| 04/01/2008 | US7352857 Method and apparatus for spectral containment over telephone service lines |
| 04/01/2008 | US7352856 Telephone applicable to PSTN and IP network and call connection control method |
| 04/01/2008 | US7352779 System for multi-frame alignment |
| 04/01/2008 | US7352690 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 04/01/2008 | US7352687 Mixed domain cancellation |
| 04/01/2008 | CA2441131C Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo |
| 03/27/2008 | US20080075293 Electronic device, echo canceling method thereof, echo canceling program thereof, recording medium, circuit substrate, and portable telephone terminal device |
| 03/27/2008 | US20080075270 Double-talk detection method |
| 03/27/2008 | US20080075269 Circuit method and system for transmitting information |
| 03/26/2008 | EP1902579A1 Method and device for processing strong echoes, in particular in handsfree telephone terminals |
| 03/26/2008 | EP1902578A1 Sound pick-up method and device for, in particular in handsfree telephone terminals |
| 03/25/2008 | US7349723 Keypad and microphone arrangement |
| 03/25/2008 | US7349536 Techniques for providing uninterrupted digital communications to customers coupled to local loop generation equipment |
| 03/20/2008 | US20080069326 Method of integrating an intercom system and a mobile communication device |
| 03/20/2008 | US20080068150 Monitoring and entry system presence service |
| 03/19/2008 | EP0956658B1 Method and apparatus for using state determination to control functional elements in digital telephone systems |
| 03/18/2008 | US7346332 Wired, wireless, infrared, and powerline audio entertainment systems |
| 03/18/2008 | US7346158 Method and system for wiring a digital subscriber line circuit |
| 03/18/2008 | US7346012 Transceiver with accelerated echo canceller convergence |
| 03/18/2008 | CA2278095C Dynamic echo canceller and parameter selection in telephony systems |
| 03/13/2008 | WO2008030635A2 Process for scalable conversation recording |
| 03/13/2008 | US20080063167 Process for scalable conversation recording |
| 03/13/2008 | US20080063010 Systems and method for orthogonal frequency divisional multiplexing |
| 03/12/2008 | EP1897359A1 Circuit arrangement, method for generating an audible tone, and communication terminal |
| 03/12/2008 | EP1897358A1 Information system for telecommunications |
| 03/12/2008 | CN101142800A Noise suppression based on bark band weiner filtering and modified doblinger noise estimate |
| 03/11/2008 | US7343182 Automatic sliding mechanism |
| 03/11/2008 | US7342937 Spectrally flexible band plans with reduced filtering requirements |
| 03/06/2008 | WO2006083551A3 Remote garage door monitoring system |