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AU573271B2 - Telecommunications line circuit - Google Patents
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AU573271B2 - Telecommunications line circuit - Google Patents

Telecommunications line circuit

Info

Publication number
AU573271B2
AU573271B2 AU34455/84A AU3445584A AU573271B2 AU 573271 B2 AU573271 B2 AU 573271B2 AU 34455/84 A AU34455/84 A AU 34455/84A AU 3445584 A AU3445584 A AU 3445584A AU 573271 B2 AU573271 B2 AU 573271B2
Authority
AU
Australia
Prior art keywords
line circuit
telecommunications line
telecommunications
circuit
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.)
Ceased
Application number
AU34455/84A
Other versions
AU3445584A (en
Inventor
Luc Armand Bienstman
Jozef Frans Pharida Pieters
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of AU3445584A publication Critical patent/AU3445584A/en
Application granted granted Critical
Publication of AU573271B2 publication Critical patent/AU573271B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04M19/008—Using DC/DC converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Interface Circuits In Exchanges (AREA)
AU34455/84A 1983-10-21 1984-10-18 Telecommunications line circuit Ceased AU573271B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE60229 1983-10-21
BE2/60229A BE898049A (en) 1983-10-21 1983-10-21 TELECOMMUNICATION LINE CHAIN AND RELATED VOLTAGE CONVERTER.

Publications (2)

Publication Number Publication Date
AU3445584A AU3445584A (en) 1985-04-26
AU573271B2 true AU573271B2 (en) 1988-06-02

Family

ID=3865658

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34455/84A Ceased AU573271B2 (en) 1983-10-21 1984-10-18 Telecommunications line circuit

Country Status (5)

Country Link
AU (1) AU573271B2 (en)
BE (1) BE898049A (en)
ES (1) ES8603132A1 (en)
GB (1) GB2149618B (en)
MX (1) MX157426A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587823B2 (en) * 1985-05-17 1989-08-31 Alcatel N.V. Line circuit
AU589718B2 (en) * 1985-12-20 1989-10-19 Alcatel N.V. Line circuit
AU605524B2 (en) * 1986-12-16 1991-01-17 Alcatel N.V. Telephone circuit
AU623971B2 (en) * 1989-02-07 1992-05-28 Alcatel N.V. Amplifier for communication line circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE898051A (en) * 1983-10-21 1984-04-24 Bell Telephone Mfg TELECOMMUNICATION LINE CHAIN AND RELATED POLARITY REVERSE CHAIN.
AR241567A1 (en) * 1985-07-24 1992-08-31 Siemens Ag Circuit for the suppression of perturbing signals on the reception branch line of a subscriber line circuit realized by electronic components without the use of a voice transformer
DE10146891C2 (en) * 2001-09-24 2003-08-14 Infineon Technologies Ag Method for transmitting charge determination signals via a data transmission path and device for voltage level generation
DE10147082C2 (en) * 2001-09-25 2003-07-31 Infineon Technologies Ag Method for transmitting charge determination signals over a data transmission path using resonance phenomena

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU552033B2 (en) * 1981-09-18 1986-05-22 Alcatel N.V. Telephone line circuit and system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU552033B2 (en) * 1981-09-18 1986-05-22 Alcatel N.V. Telephone line circuit and system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587823B2 (en) * 1985-05-17 1989-08-31 Alcatel N.V. Line circuit
AU589718B2 (en) * 1985-12-20 1989-10-19 Alcatel N.V. Line circuit
AU613520B2 (en) * 1985-12-20 1991-08-01 Alcatel N.V. An amplifier circuit
AU605524B2 (en) * 1986-12-16 1991-01-17 Alcatel N.V. Telephone circuit
AU623971B2 (en) * 1989-02-07 1992-05-28 Alcatel N.V. Amplifier for communication line circuit

Also Published As

Publication number Publication date
ES536919A0 (en) 1985-11-16
GB8426439D0 (en) 1984-11-28
GB2149618A (en) 1985-06-12
MX157426A (en) 1988-11-22
GB2149618B (en) 1987-10-21
AU3445584A (en) 1985-04-26
BE898049A (en) 1984-04-24
ES8603132A1 (en) 1985-11-16

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired