H04M 19 - Current supply arrangements for telephone systems

Patents for H04M 19 - Current supply arrangements for telephone systems (7,475)
12/2002
12/18/2002	CN1096815C 专用电话系统 Private telephone system
12/18/2002	CN1096813C Radio communication apparatus having plurality of communiction functions
12/18/2002	CN1096798C Portable communication apparatus preventing trouble when battery wears
12/17/2002	US6496358 Breaker apparatus and breaker unit
12/12/2002	WO2002087209A3 Device for selecting ring tones in real time according to the caller's number and associated methods and systems
12/12/2002	WO2002054710A3 Method and system for coding ring tones for cellular telephones
12/12/2002	DE10124965A1 Verfahren zum Umschalten eines Bezugsspannungspotentials für Überspannungsschutzeinrichtungen A method for switching a reference voltage potential for surge protection devices
12/11/2002	EP1264496A2 Time-based control and modififcation of features in a wireless communication device
12/05/2002	WO2002097788A1 Telephone terminal apparatus
12/05/2002	WO2002035717A3 Electronic device to be worn on the body and construction system for such devices
12/05/2002	WO2001086934A3 Method for indicating a call reaching a communication terminal
12/05/2002	US20020183098 Cellular phone with caller ID light arrangement
12/05/2002	US20020181697 Central office interface techniques for digital subscriber lines
12/05/2002	US20020181677 Apparatus for receiving voice signal and data and controlling method thereof
12/03/2002	US6489748 Split backplane power system
11/2002
11/28/2002	WO2002096080A1 Method for switching over a reference voltage potential for overvoltage protection devices
11/28/2002	WO2002095975A1 Echo processing apparatus
11/28/2002	US20020177471 Mobile phone using tactile icons
11/28/2002	US20020176559 Multimedia for calls on hold
11/27/2002	EP1260949A1 Mobile phone using tactile icons
11/27/2002	CN1095309C Method for operating mobile station in radiotelephone system and CDMA radiotelephone
11/26/2002	US6487175 Control of power supply to subcribers in digital switch board with respect to data-communication calls
11/26/2002	US6486608 Electroluminescent device for communication apparatus of mobile phone for informing an incoming call
11/21/2002	WO2002093887A1 Signal routing for reduced power consumption in a conferencing system
11/21/2002	WO2002048997A3 Electroacoustic apparatus having ringing signal generation means capable of producing a subjective bass perception
11/20/2002	EP1259053A1 Radio communication device
11/20/2002	EP1258135A2 Remote line feeding
11/14/2002	WO2002091727A2 Method for encoding and decoding pieces of music
11/14/2002	WO2001084820A3 Power management for line-powered telecommunication equipments
11/14/2002	US20020168065 Splitter assembly for a telecommunications system
11/14/2002	DE10119019A1 Telecommunications installation for automated playing of acoustic signals in telephone networks, enables acoustic signals to be played via interface simultaneously with at least two terminal connections of telephone network
11/13/2002	CN1379950A Method for signalling calls and communications terminal
11/12/2002	US6480603 Device which reduces central office battery current during modem connections
11/12/2002	US6480602 Ring-detect interface circuitry and method for a communication system
11/12/2002	US6480122 Power supply for ethernet LAN connected telephone
11/07/2002	US20020165013 Wireless device with vibrational communication capabilities
11/07/2002	US20020164975 Wireless message infoming system
11/07/2002	US20020163543 Menu item selection method for small-sized information terminal apparatus
11/06/2002	EP1255418A2 Method and apparatus for combining properties in mobile station
11/06/2002	EP1254575A1 Handling errors occurring in base-station of a cdma system
11/06/2002	CN2520081Y Power source for coordinate circuit of data interface of external modem
11/06/2002	CN1378419A Improved isoaltor for electronic equipment
11/06/2002	CN1378375A Programmable safe ringing cut-off device and method
10/2002
10/31/2002	WO2002087209A2 Device for selecting ring tones in real time according to the caller's number and associated methods and systems
10/31/2002	US20020160819 Method and a device for signaling a call or a message to its addressee
10/31/2002	US20020160818 Wireless mobile phone having encoded data entry facilities
10/30/2002	CN1377553A Arrangement in subscriber line interface circuit
10/29/2002	US6472591 Portable communication terminal apparatus with music composition capability
10/24/2002	WO2002084894A1 Hands free device configured to receive power through external charge terminal of cellular phone
10/24/2002	US20020154763 Programmable device and methods for disabling a ring signal in response to a detected off-hook condition
10/24/2002	US20020154750 Portable communication terminal providing excitative indication service for incoming call reaching in absence of user's attention, method for producing excitative indication and computer program for the method
10/24/2002	US20020154702 Direct digital access arrangement circuitry and method for connecting to phone lines
10/23/2002	CN1376358A An arrangement and a method relating to power supply in a communication network
10/23/2002	CN1093359C Response message transmitter in mobile telephone apparatus
10/22/2002	US6470196 Portable communication apparatus
10/22/2002	US6469460 Portable wireless terminal having separated vibration embodying circuit for alerting a user of an incoming call
10/22/2002	CA2288916C Telephone line-powered power supply for ancillary equipment and method of operation thereof
10/17/2002	WO2002082795A1 Cradle, security system, telephone, and monitoring method
10/17/2002	US20020150151 Digital isolation system with hybrid circuit in ADC calibration loop
10/17/2002	US20020149343 Portable telephone charger
10/16/2002	CN1092896C Communication terminal equipment and incoming call control method
10/15/2002	CA2110711C Telephone marketing system
10/10/2002	WO2002080498A1 Arrival alerting device, arrival alerting method, and mobile terminal
10/10/2002	WO2002080389A1 Telephone and method for converting sound to image and displaying on screen thereof
10/10/2002	WO2002079789A1 Pots extender for voice fallback in a subscriber line
10/10/2002	US20020145522 Buddy communicator
10/09/2002	EP1248442A1 Portable telephone
10/08/2002	US6463297 Device and method for automatically disconnecting a call in a mobile radio communication terminal
10/03/2002	US20020141566 Telecommunications customer service terminal having electronic components sealed in a first compartment and having an unsealed compartment that contains an insulation displacement connector board that includes voltage surge protection
10/03/2002	US20020141565 Telecommunications customer service terminal having a sealed compartment containing electronic components and an unsealed compartment containing connections to external telephone lines
10/03/2002	US20020141564 Telecommunications customer service terminal having electronic components sealed in a first compartment and having an unsealed compartment that selectively contains a telco connection board or an insulation displacement connection board
10/03/2002	US20020141554 Incoming call indicator
10/03/2002	US20020141159 Sealed and passively cooled telecommunications customer service terminal
10/02/2002	CN1372755A Method and arrangement for shortening the recovery time of a line driver
10/02/2002	CN1372749A Adaptable line driver interface for digital telephone systems
10/01/2002	CA2290588C Residential protection service center
09/2002
09/26/2002	WO2002076079A1 Melody encoding method and a mobile terminal used to carry out said method
09/26/2002	US20020137553 Distinctive ringing for mobile devices using digitized user recorded audio message
09/26/2002	DE10025507A1 Variable programming of telephone call signal for all types of telephones
09/25/2002	EP1244274A1 Portable telephone
09/25/2002	EP1243125A1 A subscriber line interface circuit
09/25/2002	EP1096692B1 Internal temperature regulation of subscriber terminal
09/25/2002	EP0775388B1 Power consumption control method and apparatus for a communication system subscriber unit
09/24/2002	US6456712 Separation of ring detection functions across isolation barrier for minimum power
09/19/2002	WO2002073936A2 Method and arrangement for limiting a ringing current
09/19/2002	US20020132639 Portable information apparatus and information notification method for the same
09/19/2002	US20020130641 Apparatus and method for providing span power to communication equipment at a customer premise
09/19/2002	DE10112228A1 Mobile phone system has separate operating part which communicates via RF to wrist-mounted device
09/18/2002	EP0872118B1 Power supply for telecommunications devices
09/18/2002	CN2512174Y Integrated battery base for mobile telephone
09/18/2002	CN1370372A Telephone terminal appts. and communication method
09/12/2002	WO2002071681A1 Line powered loop extender with communications, control, and diagnostics
09/12/2002	US20020127998 Communication apparatus
09/12/2002	US20020126833 Subscriber line interface circuit (SLIC) including a transient output current limit circuit and related method
09/12/2002	US20020126832 System for interfacing a circuit that makes a private payphone sound like a real bell payphone
09/12/2002	US20020126830 Phone apparatus having a ringing device
09/12/2002	US20020126815 Telephone apparatus
09/11/2002	EP1239683A2 Method of generating an accurate ring cadence
09/11/2002	EP1238519A1 Method and system for placing a telephone call
09/10/2002	US6449359 Telephone identification calling apparatus and procedures

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