| Patents for H04M 19 - Current supply arrangements for telephone systems (7,475) |
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| 03/02/2005 | CN1191731C Mobile radio terminal device capable of informing using different ringing contents |
| 03/01/2005 | US6862464 Power supply device for radio telephone system |
| 03/01/2005 | US6862353 System and method for providing power over a home phone line network |
| 02/24/2005 | WO2004027895A3 System and method for on-demand battery backup for cable telephony device |
| 02/24/2005 | US20050043066 Method and system for controlling notification of call reception in a mobile terminal |
| 02/24/2005 | US20050043009 Portable terminal device and method of generating call sound |
| 02/24/2005 | US20050040790 Multi-mode communication terminal |
| 02/23/2005 | EP1214838B1 Method and arrangement for shortening the recovery time of a line driver |
| 02/23/2005 | CN1585431A Call announce method and mobile communication terminal for using it |
| 02/23/2005 | CN1190937C Portable telephone |
| 02/17/2005 | WO2005015803A2 Wireless accessory unit for notification of incoming calls and method of alerting a user to an incoming call |
| 02/17/2005 | US20050037793 Sound information providing system |
| 02/17/2005 | US20050036603 User-defined ring tone file |
| 02/16/2005 | EP1507389A1 Mobile phone with means for switching off the alarm remotely |
| 02/16/2005 | CN1582564A Telephone system with adjustable ringer voltage |
| 02/16/2005 | CN1581897A Portable terminal device and method of notifying an incoming call |
| 02/16/2005 | CN1190059C Programmable safe ringing cut-off device and method |
| 02/16/2005 | CN1190037C Two-four line conversion device and ac feed device for user interface circuit |
| 02/15/2005 | US6856685 Feed arrangement for a subscriber loop with multi-level current regulation capability |
| 02/10/2005 | WO2005013584A2 Crescendo telephone ringer |
| 02/10/2005 | US20050033570 Method for adjusting an acoustic sequence |
| 02/09/2005 | EP1505820A1 System and Method for remote feeding of a telecommunication equipment |
| 02/09/2005 | EP1505819A1 Portable terminal device and method of notifying an incoming call |
| 02/09/2005 | EP1505818A2 Programming of a telephone's ringing tone |
| 02/09/2005 | EP1504510A1 Remote enclosure systems and methods of production thereof |
| 02/09/2005 | CN1579101A Method and device for single conductor local transmission of pcm signals without transformers |
| 02/09/2005 | CN1578362A System to provide sounds and additional information related to the sounds |
| 02/09/2005 | CN1578326A Portable terminal apparatus, control method therefor, and recording medium which records control program |
| 02/09/2005 | CN1188968C 通信设备 Communication Equipment |
| 02/03/2005 | WO2003017624A3 Mobile electronic communication device with lights to indicate received messages |
| 02/03/2005 | US20050026508 Jack assembly |
| 02/03/2005 | US20050025306 Crescendo telephone ringer |
| 02/03/2005 | US20050025296 Wireless terminal priority call alerting |
| 02/02/2005 | EP1503272A1 A portable device |
| 02/02/2005 | EP1502428A1 Mobile terminal device comprising vibrating component having light effects |
| 02/02/2005 | EP1502417A2 Managing power in a line powered network element |
| 02/02/2005 | EP0707770A4 Dial in-bound meter interface unit which derives its power from a telephone line |
| 02/02/2005 | CN1575566A Method and system for DSL power saving |
| 02/02/2005 | CN1574867A Main terminal and a method of operating the same |
| 02/02/2005 | CN1574864A Cellular phone and incoming call reception informing method |
| 02/02/2005 | CN1574541A Universal serial bus (USB) charger for a mobile device |
| 02/02/2005 | CN1573725A Method, apparatus and system for enabling context aware notification in mobile devices |
| 02/01/2005 | US6850782 Wireless device with vibrational communication capabilities |
| 02/01/2005 | US6850150 Portable device |
| 01/27/2005 | WO2005009009A2 Automatic deactivation / reactivation of the ring tone alert in cellular phones or pagers |
| 01/27/2005 | US20050018834 Alert muting method through indirect contact for portable devices |
| 01/27/2005 | US20050018688 Control system of information device, information device, method and program |
| 01/27/2005 | US20050017677 Method and system for providing induction charging having improved efficiency |
| 01/27/2005 | DE10330024A1 Aufladung eines Mobilfunkendgerät-Akkus Charging a mobile station batteries |
| 01/26/2005 | EP1501072A1 Representation generation method, representation generation device, and representation generation system |
| 01/26/2005 | EP1500254A1 Communications device for transmitting acoustic signals in a motor vehicle |
| 01/26/2005 | EP1500252A2 Method and apparatus for transmitting signaling tones over a packet switched network |
| 01/25/2005 | US6847718 Remote power feed method and system |
| 01/25/2005 | US6847705 Apparatus for receiving voice signal and data and controlling method thereof |
| 01/25/2005 | CA2354955C System and method for providing analog telephone service when voice over ip over sdsl service is interrupted due to power failure |
| 01/25/2005 | CA2316717C Electronic device incorporating vibration generator |
| 01/20/2005 | US20050014534 Wireless accessory unit for notification of incoming calls and method of alerting a user to an incoming call |
| 01/20/2005 | DE10328762A1 Audio cassette type device has a digital radio receiver, e.g. a Bluetooth receiver, and a microcomputer for conversion of a received signal into an analogue audio output signal for output through a cassette player sound head |
| 01/19/2005 | EP1499145A2 A communication network terminal supporting a plurality of applications |
| 01/19/2005 | EP1402652A4 Telephone and method for converting sound to image and displaying on screen thereof |
| 01/19/2005 | CN1568626A Method for the transmission of data |
| 01/19/2005 | CN1567945A A method for implementing fixed network short message service charging and system therefor |
| 01/18/2005 | US6845156 System for reducing distortion in a line powered modulator |
| 01/13/2005 | WO2005004303A1 Charging of a mobile radio terminal battery |
| 01/13/2005 | WO2004062300A3 Automatically changing a mobile device configuration |
| 01/13/2005 | WO2004061363A3 Method and apparatus for composing an illumination pattern |
| 01/13/2005 | US20050009562 Portable terminal apparatus, control method therefor, and recording medium which records control program |
| 01/13/2005 | US20050008135 Selective incoming call filtering and blinded caller ID display |
| 01/12/2005 | EP1496715A1 Mobile terminal device and communication device system using the mobile terminal device |
| 01/12/2005 | EP1496679A2 Terminal equipment for a fixed telephone network with connection for auxiliary terminal equipment |
| 01/12/2005 | EP1442563A4 Method and system for dsl power saving |
| 01/12/2005 | EP1053632B1 Subscriber line interface circuit |
| 01/11/2005 | US6842520 Telephone |
| 01/11/2005 | US6840815 Front access DSX assembly |
| 01/11/2005 | CA2320566C A system to provide lifeline ip telephony service on cable access networks |
| 01/06/2005 | WO2005002186A1 Message receiver for visualising messages for children |
| 01/06/2005 | US20050002517 Subscriber line interface circuitry |
| 01/05/2005 | EP1494446A2 Telecommunication equipment with adaptation of ringing tone to the ambient light |
| 01/05/2005 | EP1494442A2 System to provide sounds and additional information related to the sounds |
| 12/30/2004 | US20040266499 Portable electronic apparatus |
| 12/30/2004 | US20040266490 Timed ring suppressor |
| 12/30/2004 | US20040266364 Method and apparatus for customization of a user interface |
| 12/30/2004 | US20040264687 System and method for cooling of network interface device |
| 12/30/2004 | US20040264683 Hybrid access networks and methods |
| 12/29/2004 | EP1492312A1 Telephony user perceptible alerts generation device |
| 12/29/2004 | CN1559148A Front access DSX assembly |
| 12/23/2004 | WO2004111758A2 Lightning protection for a network element |
| 12/23/2004 | WO2004111757A2 Function for controlling line powered network element |
| 12/23/2004 | WO2004111756A2 Power ramp-up in a line-powered network element system |
| 12/23/2004 | US20040259536 Method, apparatus and system for enabling context aware notification in mobile devices |
| 12/23/2004 | US20040259506 Walkie talkie which vibrates when receiving incoming control signals |
| 12/23/2004 | US20040258237 Main terminal and a method of operating the same |
| 12/23/2004 | US20040257035 Combination of power supply and detachable electric implement |
| 12/22/2004 | EP1488615A2 Mobile communication terminal |
| 12/22/2004 | CN1557088A A system and method for customising call alerts |
| 12/22/2004 | CN1181699C Telephone system and method for automatically detecting position control ring for portable telephone set |
| 12/16/2004 | WO2004110077A2 Input voltage sense circuit in a line powered network element |
| 12/16/2004 | WO2004109963A2 Line powered network element |
| 12/16/2004 | WO2004109439A2 Element management system for managing line-powered network elements |
| 12/16/2004 | WO2004056073A3 System and method for providing multimedia messaging service (mms) ringing images on mobile calls |