| Patents for H04M 19 - Current supply arrangements for telephone systems (7,475) |
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| 04/05/2007 | DE102005005538B4 Leitungstreiberschaltung mit hohem Wirkungsgrad Line driver circuit with high efficiency |
| 04/04/2007 | CN2886935Y Wireless phone using solar power |
| 04/04/2007 | CN1942927A Content distribution server for distributing content frame for reproducing music and terminal |
| 04/03/2007 | US7200167 Direct digital access arrangement circuitry and method for connecting to phone lines |
| 03/29/2007 | US20070072632 Communication network terminal supporting a plurality of applications |
| 03/28/2007 | EP1768371A2 Method for arbitrating audio signal output |
| 03/28/2007 | EP1766794A2 Volume control system and method for a mobile communication device |
| 03/28/2007 | EP1005755B1 Power conservation for pots and modulated data transmission |
| 03/28/2007 | CN1939041A Device for optical signaling an incoming call |
| 03/28/2007 | CN1937668A Method for converting frequency-modulated music into mobile communication terminal caller ring tone and its terminal |
| 03/28/2007 | CN1307512C Portable information terminal |
| 03/27/2007 | US7197149 Cellular phone |
| 03/27/2007 | US7197138 Programmable device and methods for disabling a ring signal in response to a detected off-hook condition |
| 03/27/2007 | US7195521 Front access DSX assembly |
| 03/27/2007 | CA2445893C Power circuit and communication device provided with same |
| 03/26/2007 | CA2560429A1 Surge protection methods and apparatus |
| 03/21/2007 | EP1745555A4 A sliding mechanism for opening and closing of cellular phone |
| 03/21/2007 | CN2882163Y Hand-press charging mobile phone |
| 03/21/2007 | CN2882158Y Mobile phone special battery plate with additional contact |
| 03/21/2007 | CN1934849A Ambulatory handheld electronic device |
| 03/21/2007 | CN1306716C 便携终端 Portable terminal |
| 03/15/2007 | US20070060195 Communication apparatus for playing sound signals |
| 03/15/2007 | DE102004019584B4 Verfahren zum Betreiben einer Telekommunikationsverbindung zwischen zwei Telekommunikationsgeräten A method of operating a telecommunication connection between two telecommunication devices |
| 03/14/2007 | EP1320249B1 Ringing signal generator |
| 03/14/2007 | CN2879551Y Multi-media communication terminal having voice communication function |
| 03/13/2007 | US7190785 Subscriber line interface circuitry |
| 03/13/2007 | US7190771 Internet telephony devices with circuity to announce incoming calls |
| 03/13/2007 | US7190716 Line powered loop extender with communications, control, and diagnostics |
| 03/08/2007 | DE202006010690U1 Kabellose Ladestation für Mobiltelefone Wireless charger for mobile phones |
| 03/08/2007 | DE112005000238T5 System und Verfahren zur Ermöglichung der Sendung eines personalisierten Ruftons in Zusammenhang mit einem Anruf System and method for enabling the transmission of a personalized ring tone in connection with a call |
| 03/07/2007 | EP1759523A1 Portable electronic devices and method for usage of ring tones customized by the calling part |
| 03/06/2007 | US7187955 Foldable portable telephone set |
| 03/01/2007 | WO2007023331A1 Method and device for embedding event notification into multimedia content |
| 03/01/2007 | US20070049264 Cell phone muting override system |
| 03/01/2007 | US20070047729 Subscriber Line Interface Circuit (SLIC) Including A Transient Output Current Limit Circuit And Related Method |
| 03/01/2007 | US20070047723 Personal ring tone message indicator |
| 02/28/2007 | EP1757078A2 Device and method for transmission of data over a telephone line |
| 02/28/2007 | EP1325622B1 Method and circuit arrangement for detecting ring trip in a wireline telephone network |
| 02/28/2007 | EP1303972B1 Method of generating a ring signal in a subscriber line interface circuit |
| 02/28/2007 | CN1922804A Call processing system, communication server, communication terminal, and call processing method |
| 02/28/2007 | CN1921515A Portable telephone set having content reproduction function and content reproducing method thereof |
| 02/27/2007 | US7184543 Method and circuit arrangement for controlling a subscriber line interface circuit |
| 02/27/2007 | US7184527 System and method for monitoring and handling telecommunication activity via a computer network |
| 02/22/2007 | US20070041545 Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access |
| 02/22/2007 | US20070041358 Telephony system |
| 02/22/2007 | DE102005029867B3 Schutzschaltung in einer Einrichtung zur Einkopplung von Fernspeisespannungen Protection circuit in a device for coupling remote supply voltages |
| 02/21/2007 | EP1755316A1 Mobile device |
| 02/21/2007 | CN1918626A Mobiel communication terminal with light effects editor |
| 02/21/2007 | CN1917547A Method and system for supplying power for optical network terminals |
| 02/21/2007 | CN1917546A Portable type electronic equipment |
| 02/20/2007 | US7181004 Direct drive for a subscriber line differential ringing signal having a DC offset |
| 02/20/2007 | US7181003 Direct drive for a subscriber line differential ringing signal |
| 02/20/2007 | US7181002 Method and apparatus for a single power supply for dual power mode |
| 02/20/2007 | US7180999 Subscriber line interface circuitry |
| 02/14/2007 | EP1751961A2 Controlling the appearance of a hand-portable electronic device |
| 02/14/2007 | CN2870318Y Hand-set double call-in prompting device |
| 02/14/2007 | CN1914583A Method and device for implementing vibration output commands in mobile terminal devices |
| 02/14/2007 | CN1914493A Torque meter |
| 02/13/2007 | US7177418 Power efficient ADSL central office downstream class G power switch |
| 02/08/2007 | US20070031138 Mobile equipment and mobile phone with shooting function |
| 02/07/2007 | EP1750150A1 Shared light pipe for message indicator and light sensor of ambient light |
| 02/07/2007 | CN2867751Y Fixed phone's bell light-operated device |
| 02/07/2007 | CN2867734Y Solar cellphone case |
| 02/07/2007 | CN1299493C DSL communication device possessing lifeline function |
| 02/01/2007 | US20070025531 Telephone with replaceable incoming-call alerts |
| 02/01/2007 | DE102005035365A1 Verfahren zur Spannungsversorgung einer Anordnung und Steuerschaltung zur Ausführung des Verfahrens Method for voltage supply and control circuit of an arrangement for performing the method |
| 02/01/2007 | DE102005034207A1 Hausanlage, Funktionsmodul einer Hausanlage, Station einer Hausanlage und Verfahren zum Ermitteln des Typs eines Funktionsmoduls einer Hausanlage House system, function module of a house plant, house plant and station of a method for determining the type of a function module of a house plant |
| 02/01/2007 | DE102005033594A1 Call signal transmitter for mobile phone, has vibration module connected with radio receiver, where module is activated and deactivated through receiver and battery is connected with radio receiver and module for power supply |
| 01/31/2007 | EP1748307A1 Shared light pipe for message Indicator and light sensor of ambient light |
| 01/31/2007 | CN2865157Y Device for mobile phone persistent power supply |
| 01/31/2007 | CN1906920A Mobile telephone |
| 01/31/2007 | CN1906915A Reception device, signal arrival notification method, and program |
| 01/31/2007 | CN1905606A Apparatus and method for controlling a power of mobile communication terminal |
| 01/30/2007 | US7170259 Universal serial bus charger for a mobile device |
| 01/25/2007 | DE102005032408A1 Accessory unit for use with mobile phone, has mobile phone theft and forgetting protection implementing device notifying external signal unit about theft and forgetting by acoustic, visual or mechanical signaling |
| 01/24/2007 | EP1745555A1 A sliding mechanism for opening and closing of cellular phone |
| 01/24/2007 | CN1902898A Method and apparatus for mixing two audio files in a wireless communications device |
| 01/24/2007 | CN1901554A Incoming call informing device and method for mobile terminal |
| 01/23/2007 | US7167557 Subscriber line interface circuit (SLIC) including a transient output current limit circuit and related method |
| 01/17/2007 | EP1743490A2 Powered patch panel |
| 01/17/2007 | EP1743473A1 Device for optical signaling an incoming call |
| 01/16/2007 | US7164763 Power offloading for a subscriber line interface circuit |
| 01/11/2007 | WO2007003087A1 A electroshock protecting system for long-distance power supply and the electroshock protecting method thereof |
| 01/11/2007 | DE202006014734U1 Solar rechargeable battery operated mobile phone, has Bluetooth headset, and micro memory card provided for playing-back of music or for reproducing of data files, images or video, where phone is operated by solar |
| 01/11/2007 | DE102005032199A1 Telephone with additional function, allows caller to signal emergency by inserting one or more numbers when dialing to modify signal tone |
| 01/11/2007 | DE102005019164B4 Ring-Spannungserzeugungsschaltung und Verfahren zum Erzeugen einer Ring-Spannung Ring voltage generation circuit and method for generating a ring-voltage |
| 01/10/2007 | CN1893498A Method for intelligently regulating incoming telegrame bell sound-volume of hand-set its prompting manner |
| 01/09/2007 | US7162650 Network switching apparatus for supplying power to network communication equipment through twisted pair line |
| 01/09/2007 | US7162274 Folding communication terminal and display control method therefor |
| 01/09/2007 | US7162267 Method for issuing a call termination alert according to service options in a composite cellular terminal |
| 01/09/2007 | US7162227 Signal routing for reduced power consumption in a conferencing system |
| 01/09/2007 | US7162026 Alert muting method through indirect contact for portable devices |
| 01/09/2007 | CA2269456C Method and apparatus for downloading tones to mobile terminals |
| 01/04/2007 | US20070004474 Collapsible mobile communication terminal device |
| 01/04/2007 | US20070003053 System and device for the remote powering of a data-processing device |
| 01/04/2007 | DE19648003B4 Signalanzeigesystem Signal display system |
| 01/04/2007 | DE102005031000A1 Signaling device for communications terminal, especially a mobile telephone or similar, integral component of item of clothing, work tool or similar worn or carried on body of user or object within range of user's attention |
| 01/04/2007 | DE102005030123A1 Stromversorgungsanordnung und deren Verwendung Power supply arrangement and their use |
| 01/03/2007 | EP1738575A1 A device and a method for feeding electric devices from a telephone line |
| 01/03/2007 | EP0970759B1 Vibration generator for notification and portable communication device using the vibration generator |