Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 13 - Party-line systems
Patents for H04M 13 - Party-line systems (159)
01/2015
01/21/2015CN103688524B 一种多路语音信号复用的电路、设备和方法 A multi-way circuits, equipment, and methods of speech signals multiplexed
01/06/2015US8929385 System and method for prioritization of retransmission of protocol data units to assist radio link control retransmission
05/2014
05/13/2014US8724794 Apparatus and method for providing customized information
04/2014
04/30/2014CN101917228B Method for realizing wired private network of group users
04/08/2014US8693652 Method and system for processing calls in an architecture allowing a telephony identifier to be associated with a group of identities
03/2014
03/18/2014US8676275 Ambient sound-based call functions
03/06/2014WO2014032142A1 Method for signaling a blocked state of a user device on a mobile telecommunication network, user device, data center and system
02/2014
02/25/2014US8660616 Ambient sound-based call functions
01/2014
01/01/2014CN103491269A Collinear switching device for two telephones
11/2013
11/12/2013US8582524 Method for performing a bandwidth request procedure, and terminal apparatus for same
09/2013
09/17/2013US8539321 Apparatus and method for correcting at least one bit error within a coded bit sequence
07/2013
07/30/2013US8498393 Method for provisioning a terminal device in a multi-user setting
05/2013
05/28/2013US8452343 Portable terminal
04/2013
04/23/2013US8428238 System and method for ensuring call privacy in a shared telephone environment
04/17/2013CN101777921B Structured LDPC code decoding method and device for system on explicit memory chip
11/2012
11/14/2012CN101695101B Multi-rate multiplex device of horizontal arithmetic unit of LDPC decoder
11/14/2012CN101527869B Entryway communication system
11/13/2012US8310976 Transmitting/receiving system and method of processing broadcasting signal in transmitting/receiving system
09/2012
09/19/2012EP2499811A1 Efficient coding of depth transitions in 3d ((video))
09/11/2012US8265249 Changing a state of a remote switch box which connects a phone to a network
08/2012
08/28/2012US8255206 Voice mixing method and multipoint conference server and program using the same method
08/14/2012US8243895 Communication system with configurable shared line privacy feature
07/2012
07/18/2012CN102598646A Efficient Coding Of Depth Transitions In 3d
06/2012
06/27/2012CN101247207B Hybrid sphere decoding method and system
05/2012
05/17/2012US20120122427 Personal Media Storage and Retrieval for Visual Voice Mail
05/08/2012US8176393 Encoding device for error correction, encoding method for error correction and encoding program for error correction
02/2012
02/21/2012US8121897 System and method of advertisement via mobile terminal
08/2011
08/03/2011CA2728983A1 New 3d glasses with hinged frame and enhanced contrast lenses
06/2011
06/01/2011CN101577774B Virtual number faxing method and fax voice server based on same
05/2011
05/25/2011EP1554866B1 Method for rate matching to support incremental redundancy with flexible layer one
05/19/2011WO2011058492A1 Efficient coding of depth transitions in 3d ((video))
04/2011
04/20/2011EP2312822A1 System and method for code stream transform, code stream identification unit and scheme confirmation unit
12/2010
12/15/2010CN101917228A Method for realizing wired private network of group users
09/2010
09/23/2010US20100239080 Familiarization Augmentation System and Technology (FAST) Dialer
08/2010
08/24/2010US7783316 Public safety communications network using asymmetric receive/transmit channels
08/19/2010DE10164959B4 Shared line telephone system for small exchanges has switch network to spare line increases capacity
07/2010
07/14/2010CN101777921A Structured LDPC code decoding method and device for system on explicit memory chip
06/2010
06/23/2010CN101753737A Network telephone switch and voice gateway switch
04/2010
04/14/2010CN101695101A Multi-rate multiplex device of horizontal arithmetic unit of LDPC decoder
03/2010
03/11/2010US20100061365 Method and apparatus for providing extension management in voice over internet protocol customer premises
03/04/2010WO2010022672A1 System and method for code stream transform, code stream identification unit and scheme confirmation unit
02/2010
02/10/2010CN101645994A Group telephone system, center machine and calling method
12/2009
12/31/2009US20090327835 Techniques for Reducing Joint Detection Complexity in a Channel-Coded Multiple-Input Multiple-Output Communication System
12/02/2009CN101593027A Notebook computer utilizing mobile phone as input device
11/2009
11/17/2009US7620164 Method and apparatus for providing extension management in voice over internet protocol premises
11/11/2009CN101577774A Virtual number faxing method and fax voice server based on same
10/2009
10/27/2009CA2491560C System and method for selecting a cellular network on a wireless local area network
09/2009
09/23/2009CN100544392C A method of making a call tracing of the entire net and the whole process in a soft switch
09/09/2009CN101529884A Sliding window method and apparatus for soft input/soft output processing
09/09/2009CN101527869A Entryway Communication System
07/2009
07/14/2009US7561897 System and apparatus for performing broadcast and localcast communications
07/09/2009WO2009082977A1 Group telephone exchange call-out realizing method, service control device and group telephone exchange system
04/2009
04/01/2009CN101399890A Call processing method, system and device for group telephone
02/2009
02/26/2009US20090055710 Digital broadcast transmitter/receiver having improved receiving performance and signal processing method thereof
02/11/2009CN101366264A Communications systems and methods using wireline adapters
11/2008
11/19/2008CN100435590C Mothod for common frequency transmission of WCDMA and GSM system
09/2008
09/25/2008US20080232440 Chip blanking and processing in scdma to mitigate impulse and burst noise and/or distortion
09/25/2008US20080231603 Touch Screens
09/10/2008CN101262534A Group phone system with user recognition and management function
08/2008
08/27/2008CN101252413A Method for removing small ring of length 4 in fountain code generated matrix and uses thereof
08/20/2008CN101247207A Hybrid sphere decoding method and system
07/2008
07/10/2008US20080168324 Basic Matrix Based on Irregular Ldpc, Codec and Generation Method Thereof
07/09/2008CN101217607A A realization method for group telephone exchange, operation control device and group telephone exchange system
07/08/2008US7398446 Low power operation of an address interleaver
06/2008
06/24/2008US7391723 Frame-level fibre channel CRC on switching platform
06/19/2008WO2008051152A3 Sliding window method and apparatus for soft input/soft output processing
05/2008
05/14/2008CN101179637A Group telephone management system facing to users
05/02/2008WO2008051152A2 Sliding window method and apparatus for soft input/soft output processing
04/2008
04/30/2008CN101170713A User recognition management system for group call
03/2008
03/12/2008EP1897315A2 Apparatus and associated method, for allocating communications in a multi-channel communication system
02/2008
02/20/2008EP1716446B1 Optical path length adjuster
02/19/2008US7334177 Method and system for tracking sequence numbers
01/2008
01/23/2008CN100364362C System and method for selecting a cellular network on a wireless local area network (wlan)
12/2007
12/12/2007EP1864385A2 Communications systems and methods using wireline adapters
11/2007
11/29/2007WO2006044691A3 Communications systems and methods using wireline adapters
11/07/2007CN101068144A Group user information communication unified identity certification management system
10/2007
10/24/2007CN101060575A A group telephone system with the user identification and management function
10/24/2007CN101060410A Fixing telephone or group telephone system with the user identification and management functions
10/24/2007CN101060409A Group user information communication unified ID authentication management platform
10/17/2007EP1844403A2 Iconic communication
10/17/2007CN101056343A Method and call terminal for multiple users to use the same call terminal
08/2007
08/29/2007CN101026663A Telephone direct station selection
08/23/2007US20070195941 Broadband Communication Platform And Methods Of Network Operation
08/16/2007WO2006075334A3 Iconic communication
05/2007
05/31/2007US20070121864 Xdsl modem and method for stabilizing xdsl operation thereof
05/29/2007US7224793 Communication set with detection of set function and line condition
04/2007
04/25/2007CN1953440A Single carrier transmitting system adaptable to dynamic environment change and method thereof
02/2007
02/28/2007CN1922530A Optical path length adjuster
01/2007
01/04/2007US20070003039 Call handling of an indeterminate termination
11/2006
11/07/2006US7133472 High-speed turbo decoder
11/02/2006EP1716446A1 Optical path length adjuster
09/2006
09/27/2006CN1839617A A method of making a call tracing of the entire net and the whole process in a soft switch
08/2006
08/31/2006DE10112462B4 Verfahren und erweiterte Schaltungsanordnung für die Ergänzungsschaltung zum Anschließen von 2 Telefone an einer Telefonleitung mit eigener Ruf-Nr. Procedures and advanced circuitry for the addition circuit for connecting 2 phones on a telephone line with its own phone no. auch mit Verbindung untereinander with interconnection
08/16/2006EP1588538A4 Discontinuous transmission (dtx) detection using decoder metric
06/2006
06/22/2006DE20023807U1 Rate matching device for data communication system has one of rate matching blocks that punctures received symbols based on predetermined puncturing pattern in order to rate match received symbols
05/2006
05/25/2006US20060109966 Home security system
05/18/2006WO2006052294A1 Methods and apparatus to manage collect phone calling limits
03/2006
03/08/2006CN1745568A Discontinuous transmission (dtx) detection using decoder metric
10/2005
10/26/2005EP1588538A2 Discontinuous transmission (dtx) detection using decoder metric
10/12/2005CN2733773Y 无线集团总机网络通讯设备 Wireless Group switchboard network communications equipment
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