| Patents for H04M 19 - Current supply arrangements for telephone systems (7,475) |
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| 04/03/2008 | DE102006047073A1 Communication system operating method, involves determining calling signal by calling communication terminal, and transmitting calling signal to called communication terminal by voice signal |
| 04/02/2008 | EP1906641A1 System and method for controlling an alert indicator on an electronic device |
| 04/01/2008 | US7353167 Translating a voice signal into an output representation of discrete tones |
| 04/01/2008 | US7353047 Integrated mobile phone ring scheduler |
| 03/27/2008 | WO2005009009A3 Automatic deactivation / reactivation of the ring tone alert in cellular phones or pagers |
| 03/27/2008 | DE102006042475A1 Internet protocol-telephone for direct connection, has digital subscriber line- broadband connection, where network termination broadband access and network termination broadband signal are combined in common housing |
| 03/26/2008 | EP1903765A2 Method and apparatus for an over-voltage detection circuit |
| 03/26/2008 | CN101151877A Call alerting using different ring signals according to a play list |
| 03/26/2008 | CN101150745A Method and system for playing fixing sound of different counties in communication network |
| 03/20/2008 | US20080066609 Cellular Automata Music Generator |
| 03/20/2008 | DE102007038908A1 Verfahren zum automatischen Umschalten des Umgebungsmodus sowie ein tragbares Endgerät zur Verwendung des Verfahrens A method for automatically switching the mode environment as well as a portable terminal for using the method |
| 03/19/2008 | EP1901529A1 Telephone and telephone call arrival signaling method |
| 03/18/2008 | US7346500 Method of translating a voice signal to a series of discrete tones |
| 03/13/2008 | WO2008028510A1 Apparatus for position-dependent control |
| 03/13/2008 | WO2008028270A1 Method, system and apparatus for controlling a network interface device |
| 03/11/2008 | US7343150 Log-based ringtones |
| 03/06/2008 | US20080055849 Intelligent Outdoor Cabinet |
| 03/05/2008 | CN101138229A Circuit arrangement, method for generating an audible tone, and communication terminal |
| 03/04/2008 | US7340051 Power ramp-up in a line-powered network element system |
| 03/04/2008 | US7340050 Apparatus and method for controlling incoming melody |
| 03/04/2008 | US7340049 Feedback to calling communication device on call connected with intelligent network signaling |
| 02/28/2008 | WO2008006967A3 Device for detecting the end of the sending of an electrical signal delivered by a generator |
| 02/28/2008 | DE102005011620B4 Telefon-Freisprechanlage für ein Mobiltelefon Phone hands-free kit for a mobile phone |
| 02/27/2008 | CN201029023Y Intelligent switch power source communication protocol converter |
| 02/26/2008 | US7336977 Communication apparatus |
| 02/20/2008 | EP1890469A1 Startup procedure for international line powered DAA |
| 02/19/2008 | CA2305228C Self-contained recharging device for portable telephone and/or battery and/or protective case |
| 02/14/2008 | US20080037523 POTS Extender for Voice Fallback in a Subscriber Line |
| 02/14/2008 | DE102004003786B4 Verfahren zur Informationsübermittlung über ein Telekommunikations- und/oder Datennetz A method for transmitting information via a telecommunications and / or data network |
| 02/13/2008 | EP1887775A2 Electrical power supply method and device for telecommunication networks |
| 02/13/2008 | CN100369350C Universal serial bus (USB) charger for a mobile device |
| 02/07/2008 | WO2007149596A3 A method and apparatus for multimedia file transfer |
| 02/07/2008 | US20080032563 Jack assembly |
| 02/06/2008 | EP1083665B1 Power consumption control method and apparatus for a communication system subscriber unit |
| 02/06/2008 | CN100367721C Method and system for DSL power saving |
| 01/30/2008 | EP1883218A1 Speech-based notification on a handheld device |
| 01/30/2008 | EP1130791B1 Method for interrupting the power saving state of a communications unit in a radio communications system |
| 01/30/2008 | CN201015208Y Positive voltage intelligent feed circuit |
| 01/29/2008 | CA2365588C A communication network terminal supporting a plurality of applications |
| 01/24/2008 | US20080019355 POTS Extender for Voice Fallback in a Subscriber Line |
| 01/24/2008 | DE102007024803A1 Telecommunication system terminal e.g. integrated services digital network terminal, has integrated switch arranged in such a manner that automatic switching of operation mode of switch takes place between interfaces |
| 01/23/2008 | EP1880539A1 System and method for providing automatic generation of user theme videos for ring tones and transmittal of context information |
| 01/23/2008 | EP1712069A4 System and method for facilitating a custom ring in connection with a call |
| 01/22/2008 | CA2275041C Method and apparatus of extending useful life of a cordless telephone during a power outage condition |
| 01/16/2008 | CN201008163Y Communication connection equipment |
| 01/16/2008 | CN100362729C Vibration-generating device and electronic apparatus using the same |
| 01/10/2008 | US20080009316 Mobile equipment and mobile phone with shooting function |
| 01/10/2008 | DE102006031930A1 Configuration circuit for integrated services digital network interface e.g. Up interface, has coding plugs or sockets, where circuit is switched between different interfaces and different interface modes by coding plugs or sockets |
| 01/10/2008 | DE102006003580B4 Schnittstellenschaltung einer CODEC-Schaltung Interface circuit of a CODEC circuit |
| 01/09/2008 | EP1876804A1 A ring current controlling apparatus in communication device and a method thereof |
| 01/08/2008 | US7317793 Method and system for providing DC power on local telephone lines |
| 01/08/2008 | US7317475 Recording/playback apparatus with telephone and its control method, video camera with telephone and its control method, image communication apparatus, and storage medium |
| 01/03/2008 | US20080002361 Cooling System for a Mobile Terminal for Wireless Communication |
| 01/02/2008 | CN101099397A Powered patch panel |
| 01/02/2008 | CN101099209A Loudness of normalizing sound recording |
| 12/26/2007 | EP1869920A1 System and method for customizing notifications in a mobile electronic device |
| 12/26/2007 | CN200997637Y Radiating fan of telecommunication power-supply module |
| 12/21/2007 | WO2007143948A1 Ring tone play back controlling method for mobile telephone |
| 12/19/2007 | CN200994158Y Powersupply allocating device capable of filtering high frequency |
| 12/19/2007 | CN200994153Y Mobile phone with laser effect incoming call information display |
| 12/19/2007 | CN101091380A Defined ringing tone segments in an audio source |
| 12/19/2007 | CN101090418A Method and system for implementing interactive ringback tone |
| 12/18/2007 | US7310539 Portable communication device with plural olfactory cuing |
| 12/18/2007 | US7310234 Remote enclosure systems and methods of production thereof |
| 12/13/2007 | WO2007141052A1 Methods, electronic devices, and computer program products for setting a feature of an electronic device based on at least one user characteristic |
| 12/13/2007 | WO2007140821A1 Sound output selection in relation to an accessory |
| 12/13/2007 | WO2007140811A1 Adaptive audio signals in portable communication devices |
| 12/13/2007 | DE102005020896B4 Verfahren und Regelschaltung zur Erzeugung einer Versorgungsgleichspannung für ein analoges Telefon Method and control circuit for generating a DC supply voltage for an analog telephone |
| 12/12/2007 | EP1865702A1 A long-distance powering system for communication system |
| 12/12/2007 | CN200990600Y Cell phone with cold starting function |
| 12/12/2007 | CN101087149A Method for cable bridge device to supply power via coaxial cable |
| 12/12/2007 | CN100355303C Battery division operation on/off device and method of mobile communication terminal |
| 12/11/2007 | US7308253 Log-based ringtone service |
| 12/11/2007 | CA2280918C Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network |
| 12/06/2007 | WO2007139580A1 Device and method for silent push-to-talk call pacing |
| 12/06/2007 | WO2007137628A1 Communication terminal with sender-specific alert signals |
| 12/05/2007 | EP1863218A1 Minimizing saturation caused by power transfer in a communication system transformer |
| 12/05/2007 | CN200987192Y User terminal power feed ethernet concentrator |
| 12/05/2007 | CN101083698A Monitoring apparatus |
| 12/04/2007 | US7305257 Portable alerter for wireless device |
| 12/04/2007 | US7305256 Method, apparatus and program for providing user-selected alerting signals in telecommunications devices |
| 11/28/2007 | CN101080919A Lawful interception of personalized ring back tones |
| 11/27/2007 | US7301995 Direct digital access arrangement circuitry and method for connecting to phone lines |
| 11/22/2007 | WO2007132427A1 Ringtone customization for portable telecommunication applications |
| 11/22/2007 | DE102006007521B4 Auswahlverfahren zur Übermittlung von Klingeltönen für Mobilfunkendgeräte Selection for the transmission of ringtones for mobile terminals |
| 11/21/2007 | EP1858232A1 Audio output device, its alarm output control method, and its control program |
| 11/21/2007 | CN200980108Y A battery plate of a mobile phone with LED illumination |
| 11/20/2007 | US7298783 Method of compressing sounds in mobile terminals |
| 11/15/2007 | WO2006065636A3 An alert management apparatus and a method of alert management therefor |
| 11/14/2007 | EP1203282B1 System and method for detecting a device requiring power |
| 11/13/2007 | US7295858 Mobile station capable of outputting ring tones coming from a base station without storing them locally on the mobile station |
| 11/08/2007 | WO2007124978A1 Process for switching between device profiles with call signaling options and electronic devices to execute this process |
| 11/08/2007 | WO2002054715A3 Programming of a ringing tone in a telephone apparatus |
| 11/08/2007 | US20070258580 Device And A Method For Feeding Electric Devices From A Telephone Line |
| 11/08/2007 | DE102007008301A1 Verfahren und System zur Bildübertragung Method and system for image transmission |
| 11/08/2007 | DE102005011146B4 Elektrisches Gerät Electrical equipment |
| 11/07/2007 | CN200973131Y Electromagnetic induction communication power supply device |
| 11/07/2007 | CN101068276A Method and system for lowering energy consumption |
| 11/06/2007 | US7292879 Method and apparatus of alerting a user of a mobile electronic device |
| 11/01/2007 | WO2007123434A1 Wireless charging system (variants) |