SE425537B - Sett och anordning for att kompensera for skillnader i linjeslingimpedanser i ett for tidsfordelningsmultiplex anordnat telefonsystem - Google Patents

Sett och anordning for att kompensera for skillnader i linjeslingimpedanser i ett for tidsfordelningsmultiplex anordnat telefonsystem

Info

Publication number
SE425537B
SE425537B SE7710346A SE7710346A SE425537B SE 425537 B SE425537 B SE 425537B SE 7710346 A SE7710346 A SE 7710346A SE 7710346 A SE7710346 A SE 7710346A SE 425537 B SE425537 B SE 425537B
Authority
SE
Sweden
Prior art keywords
line
organized
compensate
differences
phone system
Prior art date
Application number
SE7710346A
Other languages
English (en)
Other versions
SE7710346L (sv
Inventor
D C A Connolly
Original Assignee
Gen Electric Co 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 Gen Electric Co Ltd filed Critical Gen Electric Co Ltd
Publication of SE7710346L publication Critical patent/SE7710346L/sv
Publication of SE425537B publication Critical patent/SE425537B/sv

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)
  • Interface Circuits In Exchanges (AREA)
SE7710346A 1976-09-17 1977-09-15 Sett och anordning for att kompensera for skillnader i linjeslingimpedanser i ett for tidsfordelningsmultiplex anordnat telefonsystem SE425537B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38555/76A GB1584778A (en) 1976-09-17 1976-09-17 Telecommunication exchanges

Publications (2)

Publication Number Publication Date
SE7710346L SE7710346L (sv) 1978-03-18
SE425537B true SE425537B (sv) 1982-10-04

Family

ID=10404250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7710346A SE425537B (sv) 1976-09-17 1977-09-15 Sett och anordning for att kompensera for skillnader i linjeslingimpedanser i ett for tidsfordelningsmultiplex anordnat telefonsystem

Country Status (8)

Country Link
BE (1) BE858816A (sv)
CA (1) CA1089131A (sv)
DE (1) DE2741667A1 (sv)
FR (1) FR2365252A1 (sv)
GB (1) GB1584778A (sv)
NL (1) NL7710118A (sv)
SE (1) SE425537B (sv)
ZA (1) ZA775490B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254305A (en) * 1979-02-07 1981-03-03 International Telephone And Telegraph Corporation Current limited subscriber line feed circuit
US4272648A (en) * 1979-11-28 1981-06-09 International Telephone And Telegraph Corporation Gain control apparatus for digital telephone line circuits
DE3902439A1 (de) * 1989-01-27 1990-08-02 Basf Ag Pflanzenschuetzende mittel auf basis von 1-aryl- bzw. 1-hetarylimidazolcarbonsaeureestern
US5274703A (en) * 1991-05-23 1993-12-28 At&T Bell Laboratories Automatic loss control circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299735B (de) * 1965-08-04 1969-07-24 Siemens Ag Schaltungsanordnung fuer Fernsprechanlagen, insbesondere Nebenstellenanlagen mit Sprechstellen, die einen selbsttaetigen Daempfungsausgleich aufweisen
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
DE2250651B2 (de) * 1972-10-16 1975-06-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für den Dämpfungsausgleich in einer Nebenstellenanlage mit vierdrähtigen Verbindungswegen
DE2347696C3 (de) * 1973-09-21 1978-12-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Speisen von Teilnehmeranschlußleitungen in Fernsprechvermittlungsanlagen
US3903378A (en) * 1974-03-27 1975-09-02 Gte Automatic Electric Lab Inc Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths

Also Published As

Publication number Publication date
DE2741667A1 (de) 1978-03-23
SE7710346L (sv) 1978-03-18
FR2365252B1 (sv) 1982-03-26
BE858816A (fr) 1978-01-16
GB1584778A (en) 1981-02-18
ZA775490B (en) 1978-07-26
FR2365252A1 (fr) 1978-04-14
NL7710118A (nl) 1978-03-21
CA1089131A (en) 1980-11-04
DE2741667C2 (sv) 1987-09-24

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