CN1078785C - 用于驱动用户线路的集成接口电路 - Google Patents

用于驱动用户线路的集成接口电路 Download PDF

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Publication number
CN1078785C
CN1078785C CN94114929A CN94114929A CN1078785C CN 1078785 C CN1078785 C CN 1078785C CN 94114929 A CN94114929 A CN 94114929A CN 94114929 A CN94114929 A CN 94114929A CN 1078785 C CN1078785 C CN 1078785C
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CN
China
Prior art keywords
circuit
switch
input
output
line
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 - Fee Related
Application number
CN94114929A
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English (en)
Chinese (zh)
Other versions
CN1120275A (zh
Inventor
威尼·莎威特
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.)
STMicroelectronics SRL
Original Assignee
SGS Thomson Microelectronics SRL
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 SGS Thomson Microelectronics SRL filed Critical SGS Thomson Microelectronics SRL
Publication of CN1120275A publication Critical patent/CN1120275A/zh
Application granted granted Critical
Publication of CN1078785C publication Critical patent/CN1078785C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
CN94114929A 1993-07-29 1994-07-29 用于驱动用户线路的集成接口电路 Expired - Fee Related CN1078785C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP93830338A EP0637161B1 (en) 1993-07-29 1993-07-29 Integrated subscriber line interface circuit with smooth polarity-reversal
EP93830338.5 1993-07-29

Publications (2)

Publication Number Publication Date
CN1120275A CN1120275A (zh) 1996-04-10
CN1078785C true CN1078785C (zh) 2002-01-30

Family

ID=8215208

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94114929A Expired - Fee Related CN1078785C (zh) 1993-07-29 1994-07-29 用于驱动用户线路的集成接口电路

Country Status (10)

Country Link
US (2) US5612998A (enExample)
EP (1) EP0637161B1 (enExample)
JP (1) JPH07154833A (enExample)
KR (1) KR950004823A (enExample)
CN (1) CN1078785C (enExample)
AT (1) ATE166197T1 (enExample)
BR (1) BR9402996A (enExample)
CA (1) CA2128631C (enExample)
DE (1) DE69318551T2 (enExample)
TW (1) TW244414B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69318551T2 (de) * 1993-07-29 1998-09-10 St Microelectronics Srl Integrierte Teilnehmerleitungsschnittstellenschaltung mit langsamem Polaritätsumschalter
SE507739C2 (sv) * 1996-11-08 1998-07-06 Ericsson Telefon Ab L M Anordning vid en linjekrets för mätning av linjespänning
EP1017211B1 (en) * 1998-12-31 2005-10-26 STMicroelectronics S.r.l. Monolithically integrated telephone circuit for driving wide-band telephone lines for data transmission
EP1017220B1 (en) * 1998-12-31 2007-05-02 STMicroelectronics S.r.l. Circuit for ringing signal generation for subscriber circuits
DE69935961D1 (de) 1998-12-31 2007-06-14 St Microelectronics Srl Schaltungsanordnung zur Rufwechselspannungserzeugung für Teilnehmerschaltungen
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
US6862352B1 (en) * 2000-10-11 2005-03-01 Intersil Corporation Controlled switching mechanism for accomplishing soft polarity reversal, ring-trip filtering, and line voltage measurements in a subscriber line interface circuit using common capacitor
US8090857B2 (en) * 2003-11-24 2012-01-03 Qualcomm Atheros, Inc. Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks
CN102687474B (zh) * 2012-03-15 2014-07-30 华为技术有限公司 一种线路驱动方法与装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102249A (en) * 1981-07-09 1983-01-26 Int Standard Electric Corp Telephone line circuit
EP0193244A2 (en) * 1985-02-28 1986-09-03 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Polarity reversal circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE433285B (sv) * 1982-09-22 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
BE898051A (nl) * 1983-10-21 1984-04-24 Bell Telephone Mfg Telecommunicatielijnketen en bijbehorende polariteitsomkeerketen.
IT1215254B (it) * 1985-03-20 1990-01-31 Ates Componenti Elettron Circuito, integrabile monoliticamente, per la misura di correnti longitudinali e trasversali in una linea ditrasmissione bifilare.
EP0201635B1 (en) * 1985-05-17 1991-12-18 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Telecommunication line circuit
IT1197917B (it) * 1986-10-24 1988-12-21 Sgs Microelettronica Spa Circuito di controllo per un regolatore di tensione di un circuito interfaccia attacco linea telefonica d'utente (slic)
EP0455893B1 (en) * 1990-05-11 1995-02-01 Alcatel N.V. Telecommunication line circuit
US5511118A (en) * 1991-01-31 1996-04-23 Northern Telecom Limited Method of providing d.c. feed to a telephone line
DE69318551T2 (de) * 1993-07-29 1998-09-10 St Microelectronics Srl Integrierte Teilnehmerleitungsschnittstellenschaltung mit langsamem Polaritätsumschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102249A (en) * 1981-07-09 1983-01-26 Int Standard Electric Corp Telephone line circuit
EP0193244A2 (en) * 1985-02-28 1986-09-03 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Polarity reversal circuit

Also Published As

Publication number Publication date
CA2128631C (en) 1999-02-23
DE69318551T2 (de) 1998-09-10
KR950004823A (ko) 1995-02-18
US5612998A (en) 1997-03-18
TW244414B (enExample) 1995-04-01
EP0637161B1 (en) 1998-05-13
CA2128631A1 (en) 1995-01-30
BR9402996A (pt) 1995-04-11
CN1120275A (zh) 1996-04-10
JPH07154833A (ja) 1995-06-16
EP0637161A1 (en) 1995-02-01
DE69318551D1 (de) 1998-06-18
US5706343A (en) 1998-01-06
ATE166197T1 (de) 1998-05-15

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee