| Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105) |
|---|
| 04/26/2007 | WO2007047219A2 Sealing current terminator for inhibiting oxidation and methods therefor |
| 04/26/2007 | WO2007047006A2 Method and apparatus for powering electronics associated with a telephone line twisted pair |
| 04/26/2007 | WO2007046070A1 Acoustic echo canceller |
| 04/26/2007 | US20070092074 Echo canceller |
| 04/26/2007 | CA2624806A1 Sealing current terminator for inhibiting oxidation and methods therefor |
| 04/25/2007 | EP1777987A2 Adaptive coupling equalization in beamforming-based communication systems |
| 04/25/2007 | EP0995188B1 Methods and apparatus for measuring signal level and delay at multiple sensors |
| 04/24/2007 | US7209566 Method and apparatus for determining a nonlinear response function for a loudspeaker |
| 04/24/2007 | US7209554 Ringing controller |
| 04/24/2007 | CA2307653C Echo canceller employing dual-h architecture having improved double-talk detection |
| 04/18/2007 | EP1774700A1 Methods and apparatus for provisioning phantom power to remote devices based on admission control |
| 04/18/2007 | CN1951088A Termination block |
| 04/17/2007 | US7206405 Enhanced high voltage interface for partitioned subscriber line interface circuit |
| 04/17/2007 | US7206404 Communications system and method utilizing centralized signal processing |
| 04/10/2007 | US7203529 Bar type portable wireless terminal |
| 04/10/2007 | US7203309 Mobile telephone |
| 04/10/2007 | US7203308 Echo canceller ensuring further reduction in residual echo |
| 04/10/2007 | US7203306 Apparatus and method for providing switching at a telephone cross-connect |
| 04/10/2007 | US7202802 Reduced keypad |
| 04/05/2007 | WO2007037029A1 Feedback sound eliminating apparatus |
| 04/05/2007 | US20070076861 Mobile terminal having a plurality of displays |
| 04/04/2007 | CN1943217A Internet facilitated emergency and general paging system |
| 04/03/2007 | US7200377 Method and system for multi-channel RF digitization with analog selectivity |
| 04/03/2007 | US7200224 Hinge device for portable wireless terminal |
| 04/03/2007 | US7200223 Electronic circuit to reduce noise in digital subscriber loop and communications over unshielded twisted pair metallic conductors |
| 04/03/2007 | US7200222 Echo canceller employing dual-H architecture having variable adaptive gain settings |
| 04/03/2007 | US7200205 Interface device for testing a telecommunication circuit |
| 03/29/2007 | US20070071254 Method and system for low delay echo cancelling |
| 03/29/2007 | US20070071232 Apparatus and method of inputting a character |
| 03/29/2007 | US20070071231 Terminal block for readily connecting customers to any of a plurality of telecommunications service providers |
| 03/29/2007 | US20070071230 Distributed echo cancelling |
| 03/29/2007 | US20070071229 Method and communication arrangement for the detection of at least one additional communication device which can be connected to at least one subscriber line |
| 03/29/2007 | US20070071206 Multi-party conversation analyzer & logger |
| 03/28/2007 | EP1438833B1 Device and method for multichannel acoustic echo cancellation with a variable number of channels |
| 03/28/2007 | CN1939038A System and method for auto sensing and provisioning two or four wire mode on a communications line with rate adaptation |
| 03/28/2007 | CN1937432A Sound echo cancellation processing method based on optimized parameter predication |
| 03/28/2007 | CN1937034A Quick illumination-imitation projection self-adoptive processing method suitable to fixed-point realization |
| 03/27/2007 | US7197146 Microphone array signal enhancement |
| 03/27/2007 | US7197030 Processing device network |
| 03/27/2007 | US7197028 Telephone communication system over a single telephone line |
| 03/27/2007 | CA2373114C Acoustic echo cancellation |
| 03/22/2007 | WO2007031007A1 A switch, a method for realizing echo counteracting and a device thereof |
| 03/22/2007 | US20070067546 On-hold message system with flash memory drive |
| 03/22/2007 | US20070064927 Input device |
| 03/22/2007 | US20070064926 Ringing phone line selector/voip switch |
| 03/22/2007 | US20070064925 Integral microphone and speaker configuration type two-way communication apparatus |
| 03/22/2007 | US20070064924 Method of configuring interface device and protection device in digital communication system, and the resultant system |
| 03/22/2007 | US20070064923 Method and system for signal emulation |
| 03/22/2007 | US20070064922 Techniques for measuring network resistive loss within a power-sourcing apparatus |
| 03/22/2007 | US20070064898 Telephone conference system |
| 03/21/2007 | EP0847645B1 Voice activity detector for half-duplex audio communication system |
| 03/20/2007 | US7194503 System and method to query settings on a mobile device |
| 03/20/2007 | US7194084 System and method for stereo conferencing over low-bandwidth links |
| 03/20/2007 | US7194074 Key telephone system, key telephone, interface unit, and transmission scheme determination method |
| 03/15/2007 | WO2007030087A1 System and method for hitless monitoring access of a communications circuit |
| 03/15/2007 | WO2007028423A1 Conference system discussion unit with exchangeable modules |
| 03/15/2007 | US20070058799 Communication apparatus capable of echo cancellation |
| 03/15/2007 | US20070058798 Echo canceller |
| 03/14/2007 | EP1620953A4 Bi-stable hinge and systems using same |
| 03/13/2007 | US7190800 Howling control device and howling control method |
| 03/13/2007 | US7190783 Integrated digital subscriber line transceiver |
| 03/13/2007 | US7190775 High quality audio conferencing with adaptive beamforming |
| 03/08/2007 | WO2007027386A2 Clipping detector for echo cancellation |
| 03/08/2007 | US20070053524 Method and system for communication enhancement in a noisy environment |
| 03/08/2007 | US20070053505 Combined sidetone and hybrid balance |
| 03/08/2007 | US20070053371 Method and device for working mode switching of media stream transition channel on gateway |
| 03/07/2007 | EP1759561A2 Headphone receiver apparatus for use with low power transmitters |
| 03/07/2007 | CN1926841A Accoustic echo canceller with multimedia training signal |
| 03/07/2007 | CN1925645A Method for eliminating call-key noise in individual mobile communication terminal |
| 03/07/2007 | CN1925526A Device and method for echo elimination |
| 03/06/2007 | US7187765 Method of capturing constant echo path information in a full duplex speakerphone using default coefficients |
| 03/06/2007 | US7187764 Automatic speak-up indication for conference call attendees |
| 03/06/2007 | US7187718 System and method for encoding and decoding digital data using acoustical tones |
| 03/01/2007 | WO2007025040A2 Method and system for signal emulation |
| 03/01/2007 | WO2005067654A3 Personal audio-set with adjustable sliding ear clip mount |
| 03/01/2007 | US20070049356 Slide module for portable terminal |
| 03/01/2007 | US20070047734 Inmate telephone absent an inmate-accessible hook switch button |
| 03/01/2007 | US20070047732 System for broadband service delivery |
| 03/01/2007 | US20070047731 Clipping detector for echo cancellation |
| 03/01/2007 | US20070047730 Systems and Methods for Integrating Analog Voice Service and Derived POTS Voice Service in a Digital Subscriber Line Environment |
| 03/01/2007 | US20070047712 Scalable, distributed architecture for fully connected network intercom system |
| 02/28/2007 | CN1302462C Noise reduction apparatus and noise reducing method |
| 02/27/2007 | US7184544 Device and method for detecting presence of service on telephone line |
| 02/22/2007 | WO2007021722A2 Method and system for clear signal capture |
| 02/22/2007 | WO2007019702A1 A system and method for providing environmental specific noise reduction algorithms |
| 02/22/2007 | WO2006068732A3 Hands-free push-to-talk radio |
| 02/22/2007 | US20070041581 Inmate telephones having inmate-movable telephone bodies |
| 02/22/2007 | US20070041577 Ethernet module |
| 02/22/2007 | US20070041576 Echo canceller and microphone apparatus |
| 02/22/2007 | US20070041575 Method and system for clear signal capture |
| 02/22/2007 | US20070041544 System for the application and removal of intercom telephone power upon activation or deactivation of telephone company service |
| 02/22/2007 | CA2619268A1 A system and method for providing environmental specific noise reduction algorithms |
| 02/21/2007 | EP1754364A1 Conference system |
| 02/21/2007 | EP1753927A2 Parallel plane rotation hinge for a portable device |
| 02/21/2007 | CN1917039A Method and system for enhancing quantity of speech |
| 02/21/2007 | CN1917038A Method for identifying and eliminating echo generated by speech at remote end in SCDMA handset |
| 02/20/2007 | US7181007 Flat-profile keypad assembly and label |
| 02/20/2007 | US7181004 Direct drive for a subscriber line differential ringing signal having a DC offset |
| 02/20/2007 | US7181001 Apparatus and method for echo cancellation |
| 02/20/2007 | US7181000 Voice transmission device and voice transmission system |