Patents
Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
09/2006
09/21/2006US20060208910 Pet communication device and associated methods
09/20/2006EP1180299A4 Apparatus and method for detecting far end speech
09/20/2006CN1836425A Line powered network element
09/20/2006CN1836424A Element management system for managing line-powered network elements
09/19/2006US7110537 Mobile vehicle housing for a portable communication device
09/19/2006US7110535 Headset communication unit
09/19/2006US7110533 Telephone NID isolation module
09/19/2006US7110531 Isolation system with analog communication across an isolation barrier
09/14/2006WO2006096231A2 Fast echo canceller reconvergence after tdm slips and echo level changes
09/14/2006WO2005122535A3 Parallel plane rotation hinge for a portable device
09/14/2006US20060204020 System for the digital processing of an acoustic or electrical signal, and telephone set provided with such a processing system
09/14/2006US20060203999 Communication glove
09/14/2006US20060203997 Subscriber aggregated power
09/14/2006US20060203788 Method and apparatus for routing between mobile networks
09/13/2006EP1700465A1 System and method for enchanced subjective stereo audio
09/13/2006EP1097562B1 Adaptive filter and acoustic echo canceller using the same
09/13/2006EP0917785B1 Processing device network
09/13/2006CN2817245Y Loudspeaker telephone for remoding echo
09/13/2006CN1833425A Function for controlling line powered network element
09/13/2006CN1275449C Acoustic controlled switching system and method
09/12/2006US7107209 Speech communication apparatus with gain control for clear communication
09/12/2006US7106876 Microphone for simultaneous noise sensing and speech pickup
09/12/2006US7106856 Method and apparatus for performing echo cancellation within a communication network
09/12/2006US7106855 Method and apparatus for connecting broadband voice and data signals to telephone systems
09/12/2006US7106853 Method and means for increasing inherent channel capacity for wired network
09/12/2006US7106852 Telephone accessory for generating conversation utterances to a remote listener in response to a quiet selection
09/12/2006US7106721 Telephone communication system over a single telephone line
09/12/2006CA2414636C Method of capturing constant echo path information in a full duplex speakerphone
09/08/2006WO2006093875A2 Pet communication device and associated methods
09/08/2006WO2005018095A3 Sensing and provisioning two or four wire mode on a rate adaptive communications link
09/07/2006US20060198513 Mobile electronic device having relocatable display element
09/07/2006US20060198512 Hinge mechanism
09/07/2006US20060198511 Fast echo canceller reconvergence after TDM slips and echo level changes
09/07/2006US20060198329 Method of measuring distortion and determining residue-echo threshold in loop start trunk circuits
09/06/2006EP1698159A1 System and method for enhanced stereo audio
09/06/2006EP1697192A2 A double talk activity detector and method for an echo canceler circuit
09/06/2006CN1829268A One-key communication terminal for reducing howing during calling and communication method
09/06/2006CN1274129C Communication equipment with one-way loudspeaker telephone function and its control method
09/05/2006US7103176 Direct coupling of telephone volume control with remote microphone gain and noise cancellation
09/05/2006US7103175 Systems and methods for an electronic hook switch for customer premises equipment
09/05/2006US7103062 Intercom system having unified control and audio data transport
08/2006
08/31/2006WO2006089595A1 Feedback reduction in communication systems
08/31/2006US20060193469 Parallel plane rotation hinge for a portable device
08/31/2006US20060193466 Remote multipoint architecture for full-duplex audio
08/31/2006US20060193465 System and method for subliminal time domain duplexing
08/31/2006US20060193464 Method and apparatus for soft-response echo suppression
08/31/2006DE19848641B4 Doppelsprech-unempfindlicher NLMS Algorithmus Double-talk insensitive NLMS algorithm
08/30/2006CN1826797A Loudspeaker-microphone system with echo cancellation system and method for echo cancellation
08/30/2006CN1826017A Telephone communication system over a single telephone line
08/29/2006US7099464 Telephone headset
08/29/2006US7099463 Method and apparatus for detecting a compatible phantom powered device using common mode signaling
08/29/2006US7099462 Silent ringing with reduced device sizes
08/29/2006US7099460 Echo suppression and echo cancellation
08/29/2006US7099458 Downlink activity and double talk probability detector and method for an echo canceler circuit
08/24/2006WO2005086757A3 Spectrally flexible band plans with reduced filtering requirements
08/24/2006US20060188091 Portable electronic device with a keyboard mechanism
08/24/2006US20060188089 Reduction in acoustic coupling in communication systems and appliances using multiple microphones
08/24/2006US20060187022 PLC intercom / monitor
08/23/2006EP1692845A2 A downlink activity and double talk probability detector and method for an echo canceler circuit
08/23/2006CN1822092A Method and its device for elliminating background noise in speech input
08/23/2006CN1822064A Novel radio anti-theft intercommunication device for building
08/22/2006US7095848 Power up reset circuit for line powered circuit
08/22/2006US7095847 DC/DC converter and subscriber line interface circuit
08/22/2006US7095846 Half duplex device and signal processing method thereof
08/22/2006US7093759 Low-power hand-held transaction device
08/17/2006US20060183512 Folding type portable terminal
08/17/2006US20060182272 Portable electronic apparatus
08/17/2006US20060182269 Wire network mapping method and apparatus using impulse responses
08/17/2006US20060182268 Audio system
08/17/2006US20060182266 Track and hold circuit to reduce pop noise
08/17/2006US20060182265 Multi-stage amplifiers to reduce pop noise
08/17/2006US20060182095 Telephone communication system over a single telephone line
08/17/2006US20060182094 Telephone communication system over a single telephone line
08/17/2006US20060181459 Apparatus and method for communication system
08/16/2006EP1691490A1 Method of measuring distortion and determining residue-echo threshold in loop trunk circuits
08/16/2006EP1690393A2 Method and apparatus to combine heterogeneous hardware interfaces for next generation packet voice module devices
08/16/2006EP1210814B1 Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information
08/16/2006EP1031191B1 Method and device at stereo acoustic echo cancellation
08/16/2006CN1819608A Multi-path echo eliminating system based on SIMO channel blind discrimination
08/16/2006CN1819597A Use expension of daily electromechanic products
08/15/2006US7092521 Fixed base assembly of mobile phone
08/15/2006US7092519 Communication terminal having exchangeable parts
08/15/2006US7092517 Apparatus and method for regulating an SLIC supply voltage
08/15/2006US7092516 Echo processor generating pseudo background noise with high naturalness
08/15/2006US7092515 VC-to-DTMF interfacing system and method
08/15/2006US7092514 Audibility enhancement
08/15/2006US7092513 Limiting maximum gain in duplex communications devices including telephone sets
08/15/2006US7092376 Hospital bed and network system
08/10/2006WO2005079505A3 Method and apparatus for equalizing strong pre-echoes in a multi-path communication channel
08/10/2006US20060177045 Echo processing method and device
08/09/2006CN2805255Y Intercom also used for antiriot
08/08/2006US7088819 Localization of an IP telecommunications terminal over a LAN
08/08/2006US7088818 Configurable analog front end for communication systems
08/03/2006US20060171529 Hinge structure of folding type mobile communication device
08/03/2006US20060171528 Speech communication system and talker right reservation method
08/03/2006US20060171526 Method and apparatus for active reduction of speakerphone singing
08/02/2006EP1685740A2 Protective cover assembly
08/02/2006EP1685697A2 Method and apparatus for adaptive echo and noise control
08/02/2006EP1685557A1 Method and apparatus for reducing echo in a communication system
08/02/2006EP1055292B1 Echo canceller
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