| Patents for H04M 19 - Current supply arrangements for telephone systems (7,475) |
|---|
| 05/18/2005 | EP1058970A4 2-way radio with silent annunciation |
| 05/14/2005 | CA2487324A1 Low cost power back-up system for cordless telephone system |
| 05/12/2005 | WO2005043880A1 Subscriber’s side powered telephony system |
| 05/12/2005 | US20050100104 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting |
| 05/12/2005 | CA2538682A1 Subscriber's side powered telephony system |
| 05/11/2005 | EP1157528B1 Caller id preview for mobile telephones |
| 05/11/2005 | EP0806106B1 Terminal for wirebound telecommunication |
| 05/11/2005 | CN1615663A Method for setting up theme pictures and ringing tones of a mobile telecommunication terminal |
| 05/06/2005 | WO2005041547A1 Notification of events using mms in a portable communication device |
| 05/05/2005 | US20050096030 Wireless device remote control by DTMF commands |
| 05/05/2005 | US20050096006 Subscriber selectable alternative to audible ringback signals |
| 05/04/2005 | EP1528783A1 Power supply method and apparatus for wired telecommunication systems |
| 05/04/2005 | EP1528782A2 Tone generator device and portable phone using the same, and method for driving light emitting elements |
| 05/04/2005 | EP1528776A2 Mobile phone system with calling party ringing melody designating function |
| 05/04/2005 | EP1528775A1 Call alerting using call relevance flags |
| 05/04/2005 | EP1528765A1 Call alerting using transmitted media objects |
| 05/04/2005 | CN1612580A Mobile phone system with incoming melody designating function and mobile phone |
| 05/04/2005 | CN1200551C Method for addressing incoming call to the called with multi telephone numbers |
| 05/03/2005 | US6888938 Dynamically adjustable digital gyrator having extendable feedback for stable DC load line |
| 04/28/2005 | WO2005039217A1 Method and telephone for downloading audio and video content for call indication |
| 04/28/2005 | US20050090292 Mobile phone system with incoming melody designating function and mobile phone |
| 04/28/2005 | US20050090291 Alerting method for a wireless communication device |
| 04/28/2005 | US20050090290 Folding communication terminal and display control method therefor |
| 04/28/2005 | US20050089157 Telephone terminal equipment interface circuit |
| 04/28/2005 | US20050089156 Tone generator device and portable phone using the same, and method for driving light emitting elements |
| 04/28/2005 | US20050088530 Camera capable of communicating with other communication device |
| 04/27/2005 | EP1525735A2 Device housing having one or more optical fibers |
| 04/27/2005 | EP1502417A4 Managing power in a line powered network element |
| 04/27/2005 | EP1373911A4 Pots extender for voice fallback in a subscriber line field of the invention |
| 04/26/2005 | US6885745 Voltage and protection arrangement for a telephone subscriber line interface circuit |
| 04/21/2005 | WO2005036766A1 Robotic cellular phone |
| 04/21/2005 | US20050085275 Wireless mobile communication device having a speaker vibration alert and method of using same |
| 04/21/2005 | US20050084748 Battery rack and system |
| 04/20/2005 | EP1524826A1 Notification of events using MMS in a portable communication device |
| 04/20/2005 | EP1173966B1 Subscriber line interface circuitry |
| 04/20/2005 | CN1607735A Hand-held phone capable of providing various vibrations with only one vibration motor |
| 04/19/2005 | US6882866 Portable information apparatus and information notification method for the same |
| 04/19/2005 | US6882860 Method for issuing a incoming call alert according to service options in a composite cellular terminal |
| 04/19/2005 | US6882713 Telephone apparatus |
| 04/19/2005 | US6881099 Jack assembly |
| 04/19/2005 | CA2322253C Maintaining an off-hook condition in a line powered daa during a call bridge |
| 04/19/2005 | CA2322252C Startup procedure for international line powered daa |
| 04/14/2005 | WO2005034490A1 Method and apparatus to synchronize multi-media events |
| 04/14/2005 | WO2005034480A2 Method and apparatus of muting an alert |
| 04/14/2005 | US20050078812 Feedback to calling communication device on call connected with intelligent network signaling |
| 04/14/2005 | US20050077871 Apparatus for providing battery power to a telecommunication system |
| 04/13/2005 | EP1523199A1 Feedback to calling communication device on call connected with intelligent network signaling |
| 04/13/2005 | EP1523192A2 Portal server and information supply method for supplying music content |
| 04/13/2005 | EP1523163A1 Hand-held phone capable of providing various vibrations |
| 04/13/2005 | CN1197416C Wireless transmission method for electronic official card and terminal |
| 04/13/2005 | CN1197413C Tone generator device of shared parameter between channels |
| 04/13/2005 | CN1197404C Portable radio communication equipment with calling indicator and back function without environment interference |
| 04/13/2005 | CN1197339C Subscriber line interface circuit |
| 04/13/2005 | CN1197338C Method and system for long distance power supplying |
| 04/13/2005 | CN1197277C Infrared data communication device and method |
| 04/12/2005 | US6879848 Method and apparatus for alerting an operator of an incoming cellular or portable phone call |
| 04/12/2005 | US6879687 Apparatus for sending a ringing signal and data with reduced impulse noise |
| 04/12/2005 | US6877551 Systems and methods for weatherproof cabinets with variably cooled compartments |
| 04/07/2005 | US20050074115 Direct drive for a subscriber line differential ringing signal |
| 04/07/2005 | DE10341549A1 Verfahren und Schaltungsanordnung zur Bestimmung einer in einem Zeitraum verbrauchten Ladung bei Mobilgeräten Method and circuit for determining a period spent in a charge to mobile devices |
| 04/07/2005 | DE10023815A1 Power supply e.g. for mobile phone through solar energy cells, provides independent current supply without needing established electricity supply and provided for all types of mobile telephones |
| 04/06/2005 | CN1196308C Telephone set having call-in operation limiting function and method for limiting call-in operation of telephone set |
| 04/05/2005 | US6876847 Control of synchronous display of melody information and different information on mobile communication terminal |
| 03/31/2005 | WO2005029832A1 System and device for the remote powering of a data-processing device |
| 03/31/2005 | US20050070241 Method and apparatus to synchronize multi-media events |
| 03/31/2005 | US20050068457 Image shooting apparatus |
| 03/30/2005 | EP1518428A2 Mobile electronic communication device with lights to indicate received messages |
| 03/30/2005 | CN2689617Y Portable telecommunicating apparatus |
| 03/30/2005 | CN1602028A Image shooting apparatus |
| 03/29/2005 | US6873702 Telephone subscriber system |
| 03/24/2005 | WO2005026760A1 Method and circuit arrangement for determining a charge used during a specific period of time in mobile devices |
| 03/24/2005 | WO2004082556A3 Personal massaging apparatus and method |
| 03/24/2005 | WO2004079310A3 Instant messaging sound control |
| 03/24/2005 | US20050064913 Incoming call alerting method and mobile communication terminal using the same |
| 03/24/2005 | US20050064912 Hand-held phone capable of providing various vibrations with only one vibration motor |
| 03/24/2005 | US20050064885 System and method for alarming an incoming message of a mobile communication terminal |
| 03/24/2005 | US20050063537 Differential input stage for electronic equipment, comprising means for reducing interference caused by a voltage or current in common mode |
| 03/24/2005 | US20050063534 Direct drive for a subscriber line differential ringing signal having a DC offset |
| 03/24/2005 | US20050063532 Telephone and method for converting sound to image and displaying on screen thereof |
| 03/24/2005 | US20050063457 Signal amplitude and clock signal frequency selection |
| 03/24/2005 | DE19946754B4 Alarmgebersteuerschaltung für ein mobiles Kommunikationsendgerät Alarm generator control circuit for a mobile communication terminal |
| 03/24/2005 | DE10338999A1 Solar accumulator charging devices for mobile telephones charge up accumulators via solar modules, electronic micro-controllers and load-protection circuits |
| 03/23/2005 | EP1517527A1 Method for replacing audio tones, which are played to a caller during call setup |
| 03/23/2005 | EP1238519B1 Method and system for placing a telephone call |
| 03/22/2005 | CA2317383C Subscriber line interface circuit |
| 03/17/2005 | WO2005013584A3 Crescendo telephone ringer |
| 03/17/2005 | US20050059435 Method and apparatus of muting an alert |
| 03/17/2005 | US20050058279 Power supply signal from system side circuit to line side circuit in telecommunication device |
| 03/17/2005 | US20050058268 Customized alerts for incoming data messages |
| 03/17/2005 | US20050057933 Illumination system for illuminating an electronic device with multicolored light |
| 03/16/2005 | EP1515526A1 Multicolour illumination system for displaying the status of an electronic device |
| 03/15/2005 | US6868158 Echo processing apparatus |
| 03/10/2005 | WO2003092255A8 Audio bandwidth extending system and method |
| 03/10/2005 | US20050053219 System and method for identifying redirected calls |
| 03/09/2005 | EP1513331A1 Radiotelephone |
| 03/09/2005 | CN1592325A Folding communication terminal and display control method therefor |
| 03/09/2005 | CN1192591C Power supplied form telephone line for auxiliaries and operation method thereof |
| 03/09/2005 | CN1192557C Telephone device and method for providing ringing information |
| 03/08/2005 | US6865271 Constant current line circuit with class features |
| 03/02/2005 | EP1511277A1 Method for answering an incoming event with a phone device, and adapted phone device |