H04M 9 - Arrangements for interconnection not involving centralised switching

Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
12/2006
12/12/2006	US7149286 Electrical system like a system for testing the channels of a communication system
12/12/2006	US7149246 Method and apparatus for reducing oscillator pull in a CMOS wireless transceiver integrated circuit
12/07/2006	WO2006129631A1 Relay apparatus and communication system
12/06/2006	EP1729492A2 System and apparatus for wireless communication with acoustic echo control and noise cancellation
12/06/2006	EP1729491A2 Setup of a point-to-point telephony call over a packet network
12/06/2006	EP1400097B1 Method for adaptive control of multichannel acoustic echo cancellation system and device therefor
12/06/2006	CN1875611A Method and apparatus for adaptive echo and noise control
12/06/2006	CN1874386A Telephone with improved capability and method for processing audio frequency signal therein
12/05/2006	US7146198 Mobile phone having a side button which can fix a battery and adjust volume
12/05/2006	US7146004 Headset communication unit
12/05/2006	US7146003 Noise level calculator for echo canceller
11/2006
11/30/2006	US20060271495 Method and system for providing a service on demand
11/30/2006	DE102005023671A1 Black/white multicolor view doorbell, has reception unit with monitor connected with wireless transceiver and including input end making connection with transformable connector or power supply after connecting with wireless controller
11/29/2006	EP1727344A2 Improved echo cancellation in telephones with multiple microphones
11/29/2006	EP1727343A2 Wireless telephone with multiple microphones
11/29/2006	EP1727295A1 Voice speaking device
11/29/2006	EP1726150A2 Internet facilitated emergency and general paging system
11/29/2006	EP1726147A2 Termination block
11/28/2006	US7142667 Self operating opening mechanism for use in hand-held electronic device
11/28/2006	US7142560 System and method for virtual multiline telephony in a home-network telephone
11/28/2006	US7142533 Echo canceller and compression operators cascaded in time division multiplex voice communication path of integrated access device for decreasing latency and processor overhead
11/23/2006	WO2005109652A3 Reduced keypad
11/23/2006	US20060262939 Apparatus and Method for Processing an Input Signal
11/21/2006	US7139834 Data routing monitoring and management
11/21/2006	US7139596 Modular two-body design for integration of mobile computing device features with a wireless communication device
11/21/2006	US7139394 Leak-tolerant handsfree telephone
11/21/2006	US7139375 Highway expansion apparatus for key telephone system and operation method thereof
11/16/2006	US20060256943 Vandal proof intercom system for apartment buildings
11/15/2006	EP1722545A1 A method to reduce training time of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
11/15/2006	EP1721442A1 Accoustic echo canceller with multimedia training signal
11/15/2006	EP1250797B1 Improved system and method for implementation of an echo canceller
11/14/2006	US7136670 Mobile communication device with audio recorder
11/14/2006	US7136471 Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path
11/14/2006	US7135959 Apparatus and method for wireless doorbell and security control panel interaction
11/09/2006	US20060252405 Method and apparatus for filtering of interference signals
11/09/2006	US20060251243 Reduced complexity transform-domain adaptive filter using selective partial updates
11/09/2006	DE19836479C5 Türanlage, insbesondere Türsprechanlage Door installation, in particular door intercom
11/08/2006	CN2836359Y Digital station and digital station interface in industrial sound amplification and intercommunication system
11/08/2006	CN1859519A Self adaptive filter and echo offset device
11/08/2006	CN1858845A System and method for echo suppression of grouped speech
11/07/2006	US7133442 Rapid identification of transmission media channel characteristics
11/02/2006	WO2006077005A3 Device for acoustic echo cancellation, and corresponding method and computer program
11/02/2006	WO2006029120A3 Handset cradle
11/02/2006	US20060245584 Voice communication device
11/02/2006	US20060245583 Speech communication apparatus
10/2006
10/31/2006	US7130666 Cell phone charger with incoming call indicator
10/31/2006	US7130419 Headset communication unit
10/31/2006	US7130416 Subscriber line interface circuit
10/31/2006	US7130338 Apparatus and method for communicating voice and data between a customer premises and a central office
10/31/2006	US7129820 Door station apparatus with electric lock
10/26/2006	WO2006112024A1 Signaling method in ip telephone system, ip telephone system, and ip telephone device
10/26/2006	WO2006111370A1 A method and device for removing echo in a multi-channel audio signal
10/26/2006	WO2006111369A1 A method and device for removing echo in an audio signal
10/26/2006	US20060239448 In-field upgrade management of data capture systems
10/26/2006	US20060239443 Videoconferencing echo cancellers
10/25/2006	EP1715669A1 A method for removing echo in an audio signal
10/25/2006	EP1714398A1 Echo canceller with interference-level controlled step size
10/25/2006	CN1852377A Data transmission method between switchboard and terminal
10/24/2006	US7127062 Hybrid circuit for a broadband modem
10/19/2006	US20060233354 Method and system for providing DC power on local telephone Lines
10/19/2006	US20060233353 Method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
10/18/2006	EP1584150A4 Method and apparatus for digital subscriber line access multiplexer stacking
10/18/2006	CN1281002C Adaptive filter emitting control in echo suppressor using structure lagging amplitude distribution estimation method
10/17/2006	US7123897 Directional receiver coupling arrangement with frequency selectivity and gain control for DSL
10/17/2006	US7123592 Dynamic allocation of transmission bandwidth in a communication system
10/12/2006	WO2006039062A3 Method and apparatus for providing an alarm notification by a dispatch call
10/12/2006	US20060227964 Sound event processing with echo analysis
10/12/2006	US20060227963 Wireless multi-unit conference phone
10/11/2006	EP1710991A2 Wireless multi-unit conference phone
10/11/2006	EP1709788A1 Robust adaptive filter for echo cancellation
10/11/2006	EP1366615A4 Transmit/receive arbitrator
10/10/2006	US7120856 LDPC code and encoder/decoder regarding same
10/10/2006	US7120246 Computer apparatus having a multiway acoustic output and input system
10/10/2006	US7120245 Communication device having a two-mode controlled isolation circuit for power transport and bidirectional communication
10/07/2006	CA2539310A1 Wireless multi-unit conference phone
10/05/2006	WO2006105055A2 Sound event processing with echo analysis
10/05/2006	WO2006104717A2 In-field upgrade managment of data capture systems
10/05/2006	WO2006073571A3 Communication device and method for using speaker as a stud finder
10/05/2006	US20060222173 Multi-path active hybrid circuit
10/05/2006	US20060222172 System and process for regression-based residual acoustic echo suppression
10/05/2006	US20060222171 Service-specific treatment of a call request in terms of the called subscriber line
10/05/2006	US20060221876 Intellegent voice network monitoring using echo cancellation statistics
10/04/2006	EP1708472A1 A method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
10/04/2006	CN1843023A Ultra-wide band wireless / power-line communication system for delivering audio/video content
10/04/2006	CN1843017A Power ramp-up in a line-powered network element system
10/04/2006	CN1842110A Echo eliminating device and method
10/04/2006	CN1842109A Method for implementing audio telephone and central conversion processor
10/03/2006	US7116779 Network interface device for high speed data lines
10/03/2006	US7116674 Method and apparatus for digital subscriber line access multiplexer stacking
09/2006
09/27/2006	EP1704749A1 Audio system having reverberation reducing filter
09/27/2006	EP1704748A1 Audio system providing for filter coefficient copying
09/27/2006	EP1175780A4 Telephone adapter and telephone system providing multiple telephone lines
09/27/2006	CN1839557A Data communication over power lines
09/27/2006	CN1838705A Echo prevention circuit, digital signal processing circuit and filter factor setting method
09/27/2006	CN1838704A Echo prevention circuit, digital signal processing circuit and filter factor setting method
09/26/2006	US7113763 Bluetooth access point and remote bluetooth modules for powerline based networking
09/26/2006	US7113591 Current sense circuit in a line powered network element
09/26/2006	US7113578 Vandal proof intercom system for apartment buildings
09/21/2006	US20060210057 Supplying power over four pairs of conductors in communication cable
09/21/2006	US20060210056 Estimation method and apparatus

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