Patents
Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
02/2013
02/12/2013US8374337 Slide unit mechanism
02/12/2013US8374336 Portable terminal
02/12/2013US8373975 Protective cover, key assembly using the same and portable electronic device using the key assembly
02/06/2013CN102918825A Dwelling master unit multidwelling intercom system
02/05/2013US8370140 Method of filtering non-steady lateral noise for a multi-microphone audio device, in particular a “hands-free” telephone device for a motor vehicle
02/05/2013US8369512 Device and method for detecting a divergence of an adaptive system and use of such a device for the detection of a divergence of a digital filter
02/05/2013US8369251 Timestamp quality assessment for assuring acoustic echo canceller operability
01/2013
01/31/2013US20130028409 Apparatus and method for echo control in parameter domain
01/31/2013US20130028404 Audio conference platform with dynamic speech detection threshold
01/31/2013DE102011108926A1 Verriegelungssystem einer Station, insbesondere Türstation, eines Haus-Kommunikationssystems Locking system of a station, in particular door station, a house communication system
01/31/2013DE102011108925A1 Montagesystem einer Station, insbesondere Türstation eines Haus-Kommunikationssystems Mounting system of a station, in particular door station of a house communication system
01/30/2013CN202713549U Noise and echo eliminating circuit of network broadcast talkback communication station
01/30/2013CN102904979A Assembly system of a station, in particular door station, of a building communication system
01/29/2013US8364480 Method and apparatus for controlling echo in the coded domain
01/29/2013US8363874 Receiver
01/29/2013US8363824 Portable electronic device
01/29/2013US8363823 Two microphone uplink communication and stereo audio playback on three wire headset assembly
01/29/2013US8363822 Method and apparatus for battery switching during ringing
01/29/2013US8363821 Apparatus and method for canceling echo
01/24/2013US20130021258 Reduced keypad for a mobile communication device for predictive input
01/24/2013DE112009002617T5 Wahlweises Schalten zwischen mehreren Mikrofonen Dial-by-step switching between multiple microphones
01/23/2013CN202696724U Computer pulse code modulation (PCM) voice communication module
01/23/2013CN101562668B Stationary device for a house intercom system
01/22/2013US8358777 Wireless telephone having support with built-in antenna
01/17/2013WO2013007070A1 Method and device for suppressing residual echo
01/17/2013WO2012161891A3 Multi-channel audio processing using single-channel components
01/17/2013US20130016820 Echo cancellation apparatus, conferencing system using the same, and echo cancellation method
01/16/2013EP2545702A1 Television appliance
01/16/2013CN101785290B Acoustic echo cancellation based on noise environment
01/15/2013US8355515 Gaming headset and charging method
01/15/2013US8355511 System and method for envelope-based acoustic echo cancellation
01/10/2013US20130010948 Telecommunications module with disconnection feature
01/10/2013US20130010942 System and Method for Remote Home Monitoring and Intercom Communication
01/09/2013CN202663468U Dual-ended sounding robust structure
01/09/2013CN101958122B Method and device for eliminating echo
01/08/2013US8351597 Electronic device, echo canceling method thereof, non-transitory computer readable medium, circuit substrate, and portable telephone terminal device
01/08/2013US8351583 Telecommunication system and method of synchronization
01/08/2013US8351321 Systems and method for orthogonal frequency divisional multiplexing
01/03/2013WO2013001145A1 Methods, apparatuses and computer program products for providing active echo-cancellation for systems combining voice communication and synchronous audio content
01/03/2013US20130003962 Methods, apparatuses and computer program products for providing active echo-cancellation for systems combining voice communication and synchronous audio content
01/03/2013US20130003960 Full Duplex Speakerphone Design Using Acoustically Compensated Speaker Distortion
01/03/2013US20130002797 Audio Acoustic Echo Cancellation for Video Conferencing
01/02/2013CN102857650A Method for dynamically regulating voice
01/02/2013CN101656808B An echo canceler circuit and method
01/01/2013US8346308 Communication device
01/01/2013US8346207 Fault location and control system for distribution lines
01/01/2013US8346206 Customizable media feedback software package and methods of generating and installing the package
01/01/2013US8345885 Sound signal adjustment apparatus and method, and telephone
01/01/2013US8345860 Method and system for detection of onset of near-end signal in an echo cancellation system
01/01/2013US8345859 Method and apparatus for DSL line card power management
01/01/2013US8345846 Gate intercom with a wireless telephony interface
01/01/2013US8345845 Public communications intercom system
12/2012
12/25/2012USRE43872 Headset for use with a communication and/or multimedia device
12/25/2012US8340625 Alternative techniques for processing wireless communication backhaul
12/25/2012US8340279 Interference cancellation system
12/25/2012US8340278 Method and apparatus for cross-talk resistant adaptive noise canceller
12/19/2012CN202617230U Control circuit structure capable of eliminating echo
12/18/2012US8335319 Double talk detection method based on spectral acoustic properties
12/18/2012US8335312 Donned and doffed headset state detection
12/18/2012US8335311 Communication apparatus capable of echo cancellation
12/12/2012EP2533511A1 Delay estimator
12/12/2012CN202602769U Conversation type electronic product with echo inhibition function
12/12/2012CN101401398B Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement
12/11/2012US8331554 Method for pivotably adjusting a first portion of a device in two directions relative to a second portion of the device
12/11/2012US8331552 Detection of double talk in telecommunications networks
12/06/2012WO2012167262A1 Voice-activated, off-hook, actuated auto-answering speakerphone with timed disconnect
12/06/2012WO2012166092A1 Control of adaptation step size and suppression gain in acoustic echo control
12/06/2012US20120307990 Telephone communication system over a single telephone line
12/06/2012DE102012200667A1 Telekommunikationsendgerät, Benachrichtigungsverfahren und Hauskommunikationsanlage Telecommunications terminal, notification procedures and House communication system
12/06/2012DE102011077011A1 Method for operating e.g. subscriber terminal for house communication system, involves providing callback request and additional information in target apparatus if speech connection is not present between terminal and target apparatus
12/06/2012DE102011077009A1 Hauskommunikationsendgerät, Initialisierungsverfahren für ein Hauskommunikationsendgerät und Hauskommunikationsanlage House communication terminal initialization for a home communication terminal and House communication system
12/06/2012DE102011077006A1 Telecommunication terminal i.e. home communication terminal, for use as hazard detector in home communication system for outputting e.g. fire alarm, has control device automatically assigning country-specific audio data to notification
12/06/2012DE102011076998A1 Kommunikationsverfahren für eine Telekommunikationsanlage, insbesondere für eine Hauskommunikationsanlage, und Hauskommunikationsanlage Communication method for a telecommunication system, especially for a House communication system, and House communication system
12/06/2012DE102010016182B4 Tischkonsole für eine Telefonsprechstelle Table console for a telephone set
12/05/2012CN202587133U Echo elimination control circuit
12/05/2012CN202587132U Voice call circuit with echo suppression function and flat panel computer
12/05/2012CN102811267A Near-end voice interference eliminating system and mobile communication terminal
12/05/2012CN101742013B System and method for simulating user line access multiplexing
12/04/2012US8326382 Slider electronic device
12/04/2012US8326381 Cover plate assembly and method of operation of same
12/04/2012US8326377 Input device and mobile device having the same
12/04/2012US8325912 Handheld device having linkage supporter
12/04/2012US8325911 Personal speakerphone device
12/04/2012US8325910 Echo cancelling device, communication device, and echo cancelling method having the error signal generating circuit
12/04/2012US8325909 Acoustic echo suppression
12/04/2012US8325908 Method and apparatus for detecting ring trip precursors
12/04/2012US8325728 Dynamic data routing in a utility communications network
11/2012
11/29/2012WO2012161891A2 Multi-channel audio processing using single-channel components
11/29/2012WO2012161885A1 Reducing noise pumping due to noise suppression and echo control interaction
11/29/2012DE102011102353A1 Verfahren zum Austausch von Signalen zwischen einer Hauskommunikationsanlage und einer nicht zu der Hauskommunikationsanlage gehörenden Kommunikationseinrichtung Method for exchanging signals between a house and a communication system not to the House communication system corresponding communication device
11/28/2012CN102804747A Multichannel echo canceller
11/28/2012CN102801881A Echo eliminating device
11/28/2012CN101552849B Echo canceler circuit and method
11/27/2012US8320577 Method and apparatus for multi-channel audio processing using single-channel components
11/27/2012US8320555 Method and apparatus for determining a change in network-generated crosstalk levels caused by a multi-line phone
11/27/2012US8320554 Acoustic echo canceller clock compensation
11/27/2012US8320553 Enhanced echo cancellation
11/27/2012US8320552 Delay estimator
11/27/2012US8320318 Power ramping for RACH
11/27/2012CA2525671C Torque cell
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