| Patents for H04M 19 - Current supply arrangements for telephone systems (7,475) |
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| 08/12/2004 | US20040157587 Mobile communication terminal including two lamps for incoming call notification and method for providing GPS services using the same |
| 08/12/2004 | US20040155634 Power circuit and communication device provided with same |
| 08/11/2004 | EP1445780A1 Power circuit and communication device provided with same |
| 08/11/2004 | EP0883967B1 Remote test of a wireless subscriber connection |
| 08/11/2004 | CN1520134A Telephone having calling operation limit function and method of limiting telephone calling operation |
| 08/11/2004 | CN1520072A Power source circuit and communication appts. having same |
| 08/11/2004 | CN1162030C Portable telephone set capable of outputting vibration signal as warning signal |
| 08/10/2004 | US6775562 Remote battery replacement notification system and method |
| 08/10/2004 | US6775531 Subscriber terminal temperature regulation |
| 08/10/2004 | US6775361 Recording/playback apparatus with telephone and its control method, video camera with telephone and its control method, image communication apparatus, and storage medium |
| 08/05/2004 | WO2004066653A1 Musical audible alert termination |
| 08/05/2004 | WO2004066524A1 Mobile telephone |
| 08/05/2004 | US20040151305 Method and system for providing DC power on local telephone lines |
| 08/05/2004 | US20040151304 Method of managing power for devices requiring supply levels varying in accordance with operational state |
| 08/05/2004 | US20040149551 Silent ringing with reduced device sizes |
| 08/05/2004 | DE10301673A1 Spannungsversorgungsschaltung sowie Kommunikationsanlage mit Spannungsversorgungsschaltung Power supply circuit and communication system with power supply circuit |
| 08/04/2004 | EP1442563A2 Method and system for dsl power saving |
| 08/04/2004 | EP0963629A4 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network |
| 08/04/2004 | CN1160933C Circuit for controlling AC/DC power load |
| 07/29/2004 | WO2004064368A1 Mobile multiple socket having a storage rack |
| 07/29/2004 | US20040147277 Subscriber terminal temperature regulation |
| 07/28/2004 | CN1516950A Mobile phone with music reproduction function, music data, reproduction method by mobile phone with music reproduction function and program thereof |
| 07/22/2004 | WO2004062300A2 Automatically changing a mobile device configuration |
| 07/22/2004 | WO2004062238A2 Method and apparatus of alerting a user of a mobile electronic device |
| 07/22/2004 | WO2004061363A2 Method and apparatus for composing an illumination pattern |
| 07/21/2004 | EP1439723A1 A communication network terminal supporting a plurality of applications |
| 07/20/2004 | US6766004 Method and apparatus for coordinating ringing and audio announcements in a phone system |
| 07/20/2004 | US6764332 Battery-driven equipment having a low-profile vibrator |
| 07/15/2004 | WO2002028036B1 System for using a local wireless network to control a device within range of the network |
| 07/15/2004 | US20040137954 Visualization supplemented wireless mobile telephony-audio |
| 07/15/2004 | US20040136512 Network system and method for automatically interfacing with communication apparatus of different standard |
| 07/15/2004 | US20040136132 Method for switching over a reference voltage potential for overvoltage protection devices |
| 07/14/2004 | EP1437007A2 Front access dsx assembly |
| 07/14/2004 | CN1157976C Sounding equipment and method for radio communication system mobile terminal |
| 07/13/2004 | US6763246 Portable cordless telephone having an improved ringing device |
| 07/13/2004 | US6763109 Copper based interface system and regulated power source |
| 07/13/2004 | US6763107 Method and apparatus for reducing distortion in a line powered modulator circuit |
| 07/13/2004 | US6763105 Telephone with call-incoming-operation limiting function and method of limiting call-incoming operation of telephone |
| 07/08/2004 | WO2004051682A3 Modular switch system on high-speed serial bus |
| 07/08/2004 | US20040131175 Method and system for downloading audio samples for personalized telephone ring tones |
| 07/08/2004 | DE10259576A1 Device for changing over mobile telephone call signaling between acoustic, vibration warning has sensor that detects body close to device, triggers automatic change between acoustic, vibration warning |
| 07/08/2004 | CA2453691A1 Method and system for downloading audio samples for personalized telephone ring tones |
| 07/07/2004 | CN1157086C Method for editing ring tone in wireless mobile terminal |
| 07/07/2004 | CN1157085C Folding protable honeycomb telephone set |
| 07/07/2004 | CN1157046C Method and device for remote feeding several consumers of same type from one energy soure |
| 07/06/2004 | US6760583 Portable mobile unit for conducting communication using one of character and picture information when a predetermined condition occurs |
| 07/06/2004 | US6760434 Dual impedance hybrid |
| 07/06/2004 | US6760433 Central office interface techniques for digital subscriber lines |
| 07/06/2004 | US6760430 System and method for reducing power dissipation in line driver circuits |
| 07/01/2004 | WO2004056073A2 System and method for providing multimedia messaging service (mms) ringing images on mobile calls |
| 07/01/2004 | WO2002032087B1 Mobile phone with music reproduction function, music data reproduction method by mobile phone with music reproduction function, and the program thereof |
| 07/01/2004 | US20040127264 Cell phone charger with incoming call indicator |
| 07/01/2004 | US20040127198 Automatically changing a mobile device configuration based on environmental condition |
| 07/01/2004 | US20040127197 Automatically changing a mobile device configuration |
| 07/01/2004 | DE202004003465U1 Device for generation of customized ring tones for a mobile phone, with which an input audio signal is converted to a melody in a predefined file format that can be processed by a mobile phone |
| 07/01/2004 | DE202004000021U1 Pouch or case carrying mobile telephone or similar equipment, is covered by solar cells supplying current to battery for mobile phone |
| 06/30/2004 | CN1156191C Portable telephone capable of changing function according to its self-detected geographical position |
| 06/30/2004 | CN1156139C Method and device for detecting ringtrip |
| 06/30/2004 | CN1156138C Method and apparatus for generating ringing signal |
| 06/29/2004 | US6757534 Cellular phone with special standby feature |
| 06/29/2004 | US6757382 Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop |
| 06/24/2004 | WO2004054213A1 Portable electronic device comprising an environment-adaptable interface |
| 06/24/2004 | WO2004053670A2 Method and apparatus for providing haptic feedback |
| 06/24/2004 | WO2004032460A3 Method for providing a subscriber-based ringback tone sound stored in a mobile exchanger |
| 06/24/2004 | US20040121818 System and method for providing multimedia messaging service (MMS) ringing images on mobile calls |
| 06/24/2004 | US20040121798 Mobile information terminal |
| 06/24/2004 | US20040120512 System and method for optimizing power dissipation in subscriber interface line circuits (SLICS) |
| 06/24/2004 | US20040120507 Ring signal voltage offset for subscriber line interface circuit |
| 06/24/2004 | US20040120506 Method and apparatus for inconspicuous audio notification |
| 06/24/2004 | US20040119601 Method and apparatus for composing an illumination pattern |
| 06/24/2004 | DE202004004672U1 Mobile telephone for e.g. dog or cat for automatic call reception has small loudspeaker for sound signals, flashing lights that automatically flash when call received, is equipped for GPS location |
| 06/24/2004 | DE202004004197U1 System for controlling and/or triggering output/reproduction of messages, reports and/or signals has programmable sound signal reception/control module activated depending on presence of sound signal |
| 06/24/2004 | CA2415166A1 Modular switch system on high speed serial bus |
| 06/23/2004 | EP1432224A1 System and method for optimizing power dissipation in subscriber interface line circuits (SLICs) |
| 06/23/2004 | EP1430702A1 Method for adjusting an acoustic sequence |
| 06/23/2004 | EP0792541B1 Incoming calling system |
| 06/23/2004 | CN1155276C Method for displaying background pattern in mobile telephone |
| 06/23/2004 | CN1155215C Method for choosing supply voltage and circuit |
| 06/22/2004 | US6754363 Structure of dual magnetic loop type receiver |
| 06/22/2004 | US6754341 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system |
| 06/22/2004 | US6754319 Network system and method for automatically interfacing with communication apparatus of different standard |
| 06/17/2004 | WO2004051682A2 Modular switch system on high-speed serial bus |
| 06/17/2004 | US20040114732 Apparatus and method for editable personalized ring back tone service |
| 06/16/2004 | EP0974222B1 Telephone equipment analog interface circuit |
| 06/15/2004 | US6751485 Sounding alert for recent calls |
| 06/15/2004 | US6751323 Electroacoustic apparatus having ringing signal generation means capable of producing a subjective bass perception |
| 06/15/2004 | US6751315 High bandwidth phone line transceiver with capacitor isolation |
| 06/15/2004 | US6751212 Multimedia data communication system |
| 06/10/2004 | WO2004049681A1 Mobile comunication method and device for playing an audio file at a remote communication device |
| 06/10/2004 | WO2004049300A1 Method for generating an audio file on a server upon a request from a mobile phone |
| 06/10/2004 | US20040110544 Cradle, security system, telephone, and monitoring method |
| 06/10/2004 | US20040110527 Method and apparatus for providing haptic feedback to off-activating area |
| 06/10/2004 | US20040109558 Custom ringtones for wireline telephones |
| 06/08/2004 | CA2342557C Constant current line circuit with class features |
| 06/03/2004 | US20040106395 Incoming-call signaling melody data transmitting apparatus, method therefor, and system therefor |
| 06/03/2004 | US20040106328 Jack assembly |
| 06/03/2004 | US20040105425 Modular switch system on high-speed serial bus |
| 06/02/2004 | EP1424847A1 Vibrator for portable communication device |
| 06/02/2004 | CN1501737A Electric-to-mechanical-to-acoustic converter and portable terminal unit |
| 06/01/2004 | US6744889 Subscriber circuit for public telephone set |