ATE21603T1 - Leitungsspeiseschaltung aktiver impedanz. - Google Patents

Leitungsspeiseschaltung aktiver impedanz.

Info

Publication number
ATE21603T1
ATE21603T1 AT83302686T AT83302686T ATE21603T1 AT E21603 T1 ATE21603 T1 AT E21603T1 AT 83302686 T AT83302686 T AT 83302686T AT 83302686 T AT83302686 T AT 83302686T AT E21603 T1 ATE21603 T1 AT E21603T1
Authority
AT
Austria
Prior art keywords
tip
voltage
ring
output
amplifier
Prior art date
Application number
AT83302686T
Other languages
German (de)
English (en)
Inventor
Stanley Daniel Rosembaum
Martin Ridgway Handforth
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of ATE21603T1 publication Critical patent/ATE21603T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
AT83302686T 1982-06-04 1983-05-11 Leitungsspeiseschaltung aktiver impedanz. ATE21603T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000404502A CA1179078A (en) 1982-06-04 1982-06-04 Active impedance line feed circuit
EP83302686A EP0096473B1 (en) 1982-06-04 1983-05-11 Active impedance line feed circuit

Publications (1)

Publication Number Publication Date
ATE21603T1 true ATE21603T1 (de) 1986-09-15

Family

ID=4122932

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83302686T ATE21603T1 (de) 1982-06-04 1983-05-11 Leitungsspeiseschaltung aktiver impedanz.

Country Status (5)

Country Link
EP (1) EP0096473B1 (en, 2012)
JP (1) JPS58222626A (en, 2012)
AT (1) ATE21603T1 (en, 2012)
CA (1) CA1179078A (en, 2012)
DE (1) DE3365424D1 (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1178386A (en) * 1982-06-07 1984-11-20 Stanley D. Rosenbaum Active impedance transformer assisted line feed circuit
DE3367059D1 (en) * 1983-06-30 1986-11-20 Ibm D.c. powering circuit for a line interface circuit
CA1200335A (en) * 1984-02-13 1986-02-04 Stanley D. Rosenbaum Active impedance line feed circuit
CA1231480A (en) * 1985-03-15 1988-01-12 John A. Barsellotti Constant current line circuit
CA1233583A (en) * 1985-06-18 1988-03-01 Francis Y. Hung Protection arrangement for a telephone subscriber line interface circuit
CA1255026A (en) * 1986-12-24 1989-05-30 Mitel Corporation Dc control circuit
CA1268873A (en) * 1987-09-22 1990-05-08 Mihail Stefan Augustin Traian Moisin Line interface circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462070A1 (fr) * 1979-07-17 1981-02-06 Cit Alcatel Dispositif d'alimentation d'un poste d'abonne
US4387273A (en) * 1980-08-25 1983-06-07 International Telephone And Telegraph Corporation Subscriber line interface circuit with impedance synthesizer

Also Published As

Publication number Publication date
EP0096473B1 (en) 1986-08-20
JPH0262970B2 (en, 2012) 1990-12-27
CA1179078A (en) 1984-12-04
DE3365424D1 (en) 1986-09-25
JPS58222626A (ja) 1983-12-24
EP0096473A1 (en) 1983-12-21

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee