Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 9 - Arrangements for interconnection not involving centralised switching
Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
01/2006
01/03/2006US6983047 Echo canceling system for a bit pump and method of operating the same
12/2005
12/29/2005WO2005125189A2 Method and apparatus for simplified e-commerce shopping
12/29/2005WO2005125168A1 Echo canceling apparatus, telephone set using the same, and echo canceling method
12/29/2005US20050286717 Method and system for an interchangeable headset module resistant to moisture infiltration
12/29/2005US20050286716 Wireless headset having charging control module and method thereof
12/29/2005US20050286715 Modularized network phone device having various replaceable user interfaces
12/29/2005US20050286714 Echo canceling apparatus, telephone set using the same, and echo canceling method
12/29/2005US20050286713 Distributed sound enhancement
12/29/2005US20050286698 Multi-pod conference systems
12/29/2005US20050286697 Common control of an electronic multi-pod conferencing system
12/29/2005US20050286696 Systems and methods for managing the gating of microphones in a multi-pod conference system
12/29/2005US20050286443 Conferencing system
12/29/2005US20050285935 Personal conferencing node
12/29/2005CA2566997A1 Method and apparatus for simplified e-commerce shopping
12/27/2005US6980663 Process and device for compensating for signal loss
12/27/2005US6980647 Primary telephone line protector with failsafe
12/27/2005US6980646 Apparatus and method for echo cancellation
12/27/2005US6980644 System and method for adapting an analog echo canceller in a transceiver front end
12/27/2005US6980165 Communication apparatus with antenna
12/22/2005WO2005122535A2 Parallel plane rotation hinge for a portable device
12/22/2005WO2005053277B1 Method and apparatus for adaptive echo and noise control
12/22/2005US20050281393 Speech communication system, server used for the same, and reception relay device
12/22/2005US20050280528 Multifunctional, intelligent power and communication device.
12/22/2005DE19525382B4 Verfahren zur Steuerung der Schrittweite eines Echokompensators mit adaptivem Filter Method for controlling the step size of an echo canceller with an adaptive filter
12/21/2005EP1444819B1 Method and system for classifying network connections
12/20/2005US6978011 Enhanced low pass filter
12/20/2005US6978000 Key telephone system and interface unit for key telephone
12/15/2005WO2005072043A3 Interface device between mobile phone line and fixed telephone receiver connected or not to a fixed telephone line and process of functioning.
12/15/2005WO2005053278A3 Method and apparatus for interfacing analog data devices to a cellular transceiver with analog modem capability
12/15/2005US20050277448 Soft buttons on LCD module with tactile feedback
12/15/2005US20050277438 Integrated key artifact
12/15/2005US20050276412 Parallel plane rotation hinge for a portable device
12/15/2005DE19815430B4 Verfahren zum Verbindungsaufbau von einem Mobilfunknetz zu einer Zielrufnummer eines privaten Kommunikationsnetzes Method for setting up a wireless network to a destination telephone number of a private communication network
12/15/2005DE102004020311B3 Room station for door intercom system, has complementary contacts in upper and lower parts of housing, which form connection when housing parts are locked together
12/14/2005EP1605700A1 Method and apparatus for simplified e-commerce shopping via home shopping terminals
12/14/2005EP1183848B1 System and method for near-end talker detection by spectrum analysis
12/14/2005CN1708920A ECHO cancellation device with mobile crosstalk control
12/08/2005WO2005117409A1 Conference system
12/08/2005WO2005117337A1 Methods and apparatus for provisioning phantom power to remote devices based on admission control
12/08/2005US20050273820 Method and apparatus for simplified e-commerce shopping via home shopping terminals
12/08/2005US20050271200 Latching assembly for a removable cover of a portable electronic device
12/07/2005EP1602223A1 Echo canceller with reduced requirement for processing power
12/07/2005EP1342198A4 Call management system
12/07/2005EP0723733B1 Microphone system for teleconferencing system
12/07/2005CN1706174A Integrated noise cancellation and residual echo suppression
12/06/2005US6973184 System and method for stereo conferencing over low-bandwidth links
12/06/2005US6973179 Pocket speakerphone
12/01/2005WO2005091778A3 Internet facilitated emergency and general paging system
12/01/2005WO2005060582A3 A downlink activity and double talk probability detector and method for an echo canceler circuit
12/01/2005US20050265544 Echo canceller
11/2005
11/30/2005EP1599992A1 Audibility enhancement
11/29/2005US6970558 Method and device for suppressing noise in telephone devices
11/24/2005WO2005053277A3 Method and apparatus for adaptive echo and noise control
11/24/2005WO2004109439A3 Element management system for managing line-powered network elements
11/24/2005US20050262364 Methods and apparatus for provisioning phantom power to remote devices
11/24/2005US20050259812 Bluetooth communication assembly
11/24/2005US20050259811 Headset for communication devices
11/24/2005DE10362073A1 Vorrichtung und Verfahren zum Verarbeiten eines Eingangssignals Apparatus and method for processing an input signal
11/23/2005EP1597903A1 Device and method for detecting presence of service on telephone line
11/22/2005US6968352 Device for digital processing with frequency filtering and reduced computation complexity
11/22/2005US6968064 Adaptive thresholds in acoustic echo canceller for use during double talk
11/17/2005WO2005109652A2 Reduced keypad
11/17/2005WO2005109645A1 Reduced keypad for multi-tap input
11/17/2005WO2005109644A1 Reduced keypad for predictive input
11/17/2005US20050254642 Telephone handset universal connector
11/17/2005US20050254640 Sound pickup apparatus and echo cancellation processing method
11/17/2005US20050254639 Direct coupling of telephone volume control with remote microphone gain and noise cancellation
11/17/2005US20050254634 Telephone having slot for receiving a removable memory card
11/17/2005DE202005013639U1 Communication system e.g. telephone equipment, for use in business premises, has electronic activation module provided for conveying message by caller through activation of controller
11/17/2005DE102005017338A1 Mobile communications terminal, e.g. mobile phone, has audio processor modifying speech signals according to analysis result
11/16/2005EP1596634A2 Sound pickup apparatus and echo cancellation processing method
11/16/2005CN1697467A Speakerphone with a cellular phone connection
11/10/2005US20050250554 Method for eliminating musical tone from becoming wind shear sound
11/10/2005US20050250547 Keypad reorientation
11/10/2005US20050249347 Non stationary echo canceller
11/10/2005DE19947682B4 Nullverzögerungs-Struktur zur Subband-Echokompensation, Echokompensation und Verfahren zur Echokompensation Zero Delay structure for subband echo cancellation, echo cancellation and method for echo cancellation
11/10/2005DE102004020316A1 Türsprechanlage Door Phone
11/10/2005DE102004020314A1 Voice and/or video device, especially for building or dwelling entry areas, has cover plate that is separated from building wall by shade joint and at least one light element is arranged in shade joint
11/08/2005US6963642 Band-by-band full duplex communication
11/08/2005US6963641 Method and apparatus for providing variable attenuation to data signals in an XDSL frequency range
11/03/2005WO2004105357A3 Dynamic balance control for telephone
11/03/2005US20050244022 Hearing aid compatible device
11/03/2005US20050243997 Foldable mobile telephone with movable hinge
11/03/2005US20050243995 Method and apparatus for canceling acoustic echo in a double-talk period
11/03/2005US20050243994 Echo canceller having a frequency domain active region location estimator
11/03/2005DE102005017340A1 Communication terminal for bidirectional communication e.g. using mobile phone, uses transceiving unit joined to microphone and to loudspeaker for sending electric audio signal via transmission channel
11/02/2005CN1692618A System and method for speakerphone operation in a communications device
11/02/2005CN1691716A Echo eliminator
11/01/2005US6961553 Bidirectional distributed amplifier
11/01/2005US6961422 Gain control method for acoustic echo cancellation and suppression
10/2005
10/27/2005WO2005048572A3 Two-way communications device having a single transducer
10/27/2005US20050237228 Reduced keypad
10/27/2005DE102004020312B3 Door station for a door entry intercom system having a water outlet channel at the bottom of the housing chamber for draining water which has got into the housing
10/26/2005EP1208689B1 Acoustical echo cancellation device
10/25/2005US6959084 Network interface unit shelf assembly with multi-positionable customer interface module
10/20/2005WO2005099231A1 Accoustic echo canceller with multimedia training signal
10/20/2005US20050233778 Speakerphone with a cellular phone connection
10/20/2005US20050232540 Spectrally flexible band plans with reduced filtering requirements
10/20/2005US20050232441 Method for optimal microphone array design under uniform acoustic coupling constraints
10/20/2005US20050232440 Stationary spectral power dependent audio enhancement system
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