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DE60126949D1 - Verfahren zum erzeugen eines rufsignals in einem teilnehmeranschluss-schnittstellenbaustein - Google Patents

Verfahren zum erzeugen eines rufsignals in einem teilnehmeranschluss-schnittstellenbaustein

Info

Publication number
DE60126949D1
DE60126949D1 DE60126949T DE60126949T DE60126949D1 DE 60126949 D1 DE60126949 D1 DE 60126949D1 DE 60126949 T DE60126949 T DE 60126949T DE 60126949 T DE60126949 T DE 60126949T DE 60126949 D1 DE60126949 D1 DE 60126949D1
Authority
DE
Germany
Prior art keywords
voltage
ring signal
generating
call signal
reference voltage
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
DE60126949T
Other languages
English (en)
Other versions
DE60126949T2 (de
Inventor
Anders Emericks
Henrik Hellberg
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.)
Intel Germany Holding GmbH
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of DE60126949D1 publication Critical patent/DE60126949D1/de
Application granted granted Critical
Publication of DE60126949T2 publication Critical patent/DE60126949T2/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
    • H04M3/06—Calling substations, e.g. by ringing the calling signal being supplied from the subscriber's line circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/305—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Amplifiers (AREA)
  • Interface Circuits In Exchanges (AREA)
DE60126949T 2000-06-21 2001-06-21 Verfahren zum erzeugen eines rufsignals in einem teilnehmeranschluss-schnittstellenbaustein Expired - Lifetime DE60126949T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0002350A SE0002350L (sv) 2000-06-21 2000-06-21 En metod att generera en ringsignal i en abonnentlinjekrets
SE0002350 2000-06-21
PCT/SE2001/001446 WO2001099394A1 (en) 2000-06-21 2001-06-21 Method of generating a ring signal in a subscriber line interface circuit

Publications (2)

Publication Number Publication Date
DE60126949D1 true DE60126949D1 (de) 2007-04-12
DE60126949T2 DE60126949T2 (de) 2007-11-15

Family

ID=20280205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60126949T Expired - Lifetime DE60126949T2 (de) 2000-06-21 2001-06-21 Verfahren zum erzeugen eines rufsignals in einem teilnehmeranschluss-schnittstellenbaustein

Country Status (8)

Country Link
US (1) US6973181B2 (de)
EP (1) EP1303972B1 (de)
AT (1) ATE355698T1 (de)
AU (1) AU2001274791A1 (de)
DE (1) DE60126949T2 (de)
SE (1) SE0002350L (de)
TW (1) TW524007B (de)
WO (1) WO2001099394A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0322894D0 (en) * 2003-09-30 2003-10-29 British Telecomm Telephony system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511118A (en) * 1991-01-31 1996-04-23 Northern Telecom Limited Method of providing d.c. feed to a telephone line
US5392349A (en) * 1992-05-18 1995-02-21 At&T Corp. Overvoltage protection scheme for subscriber loops and method of performing same
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem
US5691658A (en) 1994-05-24 1997-11-25 Imp, Inc. Current mode amplifier, rectifier and multi-function circuit
JPH0851652A (ja) 1994-06-29 1996-02-20 Harris Corp 電話システム用回路、インピーダンス設定回路、加入者線インタフェース回路、並びに接地キー検出器
US5649009A (en) * 1994-11-14 1997-07-15 Harris Corporation Differential longitudinal amplifier for a subscriber line interface circuit
SE509626C2 (sv) * 1997-06-06 1999-02-15 Ericsson Telefon Ab L M Förfarande för att reglera signalutrymmet i en abonnentlinjekrets jämte abonnentlinjekrets
FI104934B (fi) * 1997-11-18 2000-04-28 Nokia Networks Oy Tilaajajohtoliitäntäpiiri
US6233335B1 (en) * 1998-05-15 2001-05-15 Intersil Corporation Battery switching subscriber loop interface circuit
US6665398B1 (en) * 1998-09-01 2003-12-16 Christopher Ludeman Programmable subscriber loop interface circuit and method
EP0998111B1 (de) * 1998-10-29 2004-12-29 Infineon Technologies AG Schaltungsanordnung zum Speisen einer Telefonteilnehmerschleife mit einer Speisespannung
US6678377B1 (en) * 1998-12-31 2004-01-13 Stmicroelectronics S.R.L. Monolithically integrated telephone circuit for driving wide-band telephone lines for data transmission
US6570984B1 (en) * 1999-04-20 2003-05-27 Eci Telecom Ltd. Ring trip detection circuit and method for subscriber line interface
US6735302B1 (en) * 1999-05-28 2004-05-11 Broadcom Corporation DSP based SLIC architecture with current-sensing voltage synthesis impedance matching and DC feed control

Also Published As

Publication number Publication date
WO2001099394A8 (en) 2002-02-28
WO2001099394A1 (en) 2001-12-27
AU2001274791A1 (en) 2002-01-02
SE0002350L (sv) 2001-12-22
US6973181B2 (en) 2005-12-06
ATE355698T1 (de) 2006-03-15
DE60126949T2 (de) 2007-11-15
EP1303972A1 (de) 2003-04-23
TW524007B (en) 2003-03-11
EP1303972B1 (de) 2007-02-28
US20030133564A1 (en) 2003-07-17
SE0002350D0 (sv) 2000-06-21

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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: LANTIQ DEUTSCHLAND GMBH, 85579 NEUBIBERG, DE