DE69628479D1 - Rufsignalerzeugung in einer Teilnehmerschaltung (SLIC) - Google Patents

Rufsignalerzeugung in einer Teilnehmerschaltung (SLIC)

Info

Publication number
DE69628479D1
DE69628479D1 DE69628479T DE69628479T DE69628479D1 DE 69628479 D1 DE69628479 D1 DE 69628479D1 DE 69628479 T DE69628479 T DE 69628479T DE 69628479 T DE69628479 T DE 69628479T DE 69628479 D1 DE69628479 D1 DE 69628479D1
Authority
DE
Germany
Prior art keywords
signal
slic
circuit
output
switch control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69628479T
Other languages
English (en)
Other versions
DE69628479T2 (de
Inventor
Herbert M K Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsemi Semiconductor US Inc
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 DE69628479D1 publication Critical patent/DE69628479D1/de
Publication of DE69628479T2 publication Critical patent/DE69628479T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
DE69628479T 1995-02-01 1996-01-23 Rufsignalerzeugung in einer Teilnehmerschaltung (SLIC) Expired - Lifetime DE69628479T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38433995A 1995-02-01 1995-02-01
US384339 1995-02-01

Publications (2)

Publication Number Publication Date
DE69628479D1 true DE69628479D1 (de) 2003-07-10
DE69628479T2 DE69628479T2 (de) 2004-05-06

Family

ID=23516944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628479T Expired - Lifetime DE69628479T2 (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
JP2001508628A (ja) * 1997-01-15 2001-06-26 ３コム コーポレイション 加入者回線のインターフェース回路（ｓｌｉｃ）シミュレータ
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
JPH0821997B2 (ja) * 1992-04-03 1996-03-04 ノーザン・テレコム・リミテッド ２線式電話機ライン用インタフェース回路
EP0613275B1 (de) * 1992-12-30 2001-05-09 STMicroelectronics S.r.l. Treiberschnittstelle für einen telephonischen Leitungschalter zum Einschalten einer Sprechschaltung unabhängig von der Leistungspolarität

Also Published As

Publication number Publication date
EP0729259B1 (de) 2003-06-04
US5764755A (en) 1998-06-09
DE69628479T2 (de) 2004-05-06
ATE242571T1 (de) 2003-06-15
EP0729259A1 (de) 1996-08-28
JPH08307523A (ja) 1996-11-22
KR960032992A (ko) 1996-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LEGERITY ,INC.(N.D.GES.D.STAATES DELAWARE), AUSTIN