ATE242571T1 - Rufsignalerzeugung in einer teilnehmerschaltung (slic) - Google Patents

Rufsignalerzeugung in einer teilnehmerschaltung (slic)

Info

Publication number
ATE242571T1
ATE242571T1 AT96300428T AT96300428T ATE242571T1 AT E242571 T1 ATE242571 T1 AT E242571T1 AT 96300428 T AT96300428 T AT 96300428T AT 96300428 T AT96300428 T AT 96300428T AT E242571 T1 ATE242571 T1 AT E242571T1
Authority
AT
Austria
Prior art keywords
signal
circuit
slic
output
switch control
Prior art date
Application number
AT96300428T
Other languages
English (en)
Inventor
Herbert M K Chen
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE242571T1 publication Critical patent/ATE242571T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing
AT96300428T 1995-02-01 1996-01-23 Rufsignalerzeugung in einer teilnehmerschaltung (slic) ATE242571T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38433995A 1995-02-01 1995-02-01

Publications (1)

Publication Number Publication Date
ATE242571T1 true ATE242571T1 (de) 2003-06-15

Family

ID=23516944

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96300428T ATE242571T1 (de) 1995-02-01 1996-01-23 Rufsignalerzeugung in einer teilnehmerschaltung (slic)

Country Status (6)

Country Link
US (1) US5764755A (de)
EP (1) EP0729259B1 (de)
JP (1) JPH08307523A (de)
KR (1) KR960032992A (de)
AT (1) ATE242571T1 (de)
DE (1) DE69628479T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167135A (en) * 1995-12-01 2000-12-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a ringing signal
DE19881983T1 (de) * 1997-01-15 2000-02-24 3Com Corp Teilnehmeranschlußleitungs- schnittstellenschaltung (SLIC)-Simulator
US6169430B1 (en) * 1998-04-14 2001-01-02 Eastman Kodak Company CMOS imager column buffer gain compensation circuit
JP2000236327A (ja) * 1999-02-15 2000-08-29 Fujitsu Ltd 網終端装置
US6282238B1 (en) 1999-05-28 2001-08-28 3Com Corporation Adapter card that selects between an ISDN interface and an analog modem interface
US6400803B1 (en) * 1999-08-17 2002-06-04 Nortel Networks Limited Voice over digital subscriber line call redirection for lifeline service
US6804348B1 (en) * 2000-11-08 2004-10-12 Viadux, Inc. Circuit for echo-cancellation in an asymmetric, two-way time-and frequency-shared communication medium
US6813340B1 (en) * 2000-11-28 2004-11-02 Cisco Technology, Inc. Ringing SLIC fault handling
US6940970B2 (en) * 2001-10-05 2005-09-06 Thomson Licensing S.A. Ring boost circuit to extend ringing range of telephone SLICs
US20040120507A1 (en) * 2002-12-18 2004-06-24 Nasser Pooladian Ring signal voltage offset for subscriber line interface circuit
US8406414B2 (en) * 2009-10-09 2013-03-26 Microsemi Semiconductor (U.S.) Inc. Method and apparatus for dynamically scheduling ringing signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349703A (en) * 1980-03-31 1982-09-14 International Telephone And Telegraph Corporation Programmable ring signal generator
US4431868A (en) * 1981-07-09 1984-02-14 International Telephone And Telegraph Corporation Solid state telephone line interface circuit with ringing capability
US4903189A (en) * 1988-04-27 1990-02-20 General Electric Company Low noise, high frequency synchronous rectifier
EP0450884B1 (de) * 1990-04-04 1996-06-12 Seiscor Technologies, Inc. Schnittstellenschaltung für Teilnehmerleitung, die regulierten Strom liefert
US5111382A (en) * 1990-10-23 1992-05-05 Westinghouse Electric Corp. High power, high frequency resonant inverter using MOS controlled thyristors
DE69229268T2 (de) * 1992-04-03 1999-09-23 Northern Telecom Ltd Schnittstellenschaltung mit spannungsumschaltung für eine fernsprechleitung
DE69231822T2 (de) * 1992-12-30 2001-12-13 St Microelectronics Srl Treiberschnittstelle für einen telephonischen Leitungschalter zum Einschalten einer Sprechschaltung unabhängig von der Leistungspolarität

Also Published As

Publication number Publication date
US5764755A (en) 1998-06-09
EP0729259A1 (de) 1996-08-28
DE69628479T2 (de) 2004-05-06
JPH08307523A (ja) 1996-11-22
DE69628479D1 (de) 2003-07-10
KR960032992A (ko) 1996-09-17
EP0729259B1 (de) 2003-06-04

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties