FR2365252A1 - Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique - Google Patents

Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique

Info

Publication number
FR2365252A1
FR2365252A1 FR7728078A FR7728078A FR2365252A1 FR 2365252 A1 FR2365252 A1 FR 2365252A1 FR 7728078 A FR7728078 A FR 7728078A FR 7728078 A FR7728078 A FR 7728078A FR 2365252 A1 FR2365252 A1 FR 2365252A1
Authority
FR
France
Prior art keywords
telephone network
mitigation
online
compensation
line circuit
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.)
Granted
Application number
FR7728078A
Other languages
English (en)
French (fr)
Other versions
FR2365252B1 (enrdf_load_stackoverflow
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Publication of FR2365252A1 publication Critical patent/FR2365252A1/fr
Application granted granted Critical
Publication of FR2365252B1 publication Critical patent/FR2365252B1/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR7728078A 1976-09-17 1977-09-16 Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique Granted FR2365252A1 (fr)

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
FR2365252A1 true FR2365252A1 (fr) 1978-04-14
FR2365252B1 FR2365252B1 (enrdf_load_stackoverflow) 1982-03-26

Family

ID=10404250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728078A Granted FR2365252A1 (fr) 1976-09-17 1977-09-16 Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique

Country Status (8)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448818A1 (fr) * 1979-02-07 1980-09-05 Int Standard Electric Corp Circuits d'alimentation a courant limite et d'egalisation automatique de signal, pour lignes telephoniques d'abonnes
FR2471093A1 (fr) * 1979-11-28 1981-06-12 Int Standard Electric Corp Circuit et procede de commande de gain pour signal numerique du type utilise dans les systemes telephoniques a commutation numerique et joncteur de ligne equipe d'un tel circuit
EP0515102A3 (en) * 1991-05-23 1993-03-24 American Telephone And Telegraph Company Automatic loss control circuit in a digital loop transmission system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902439A1 (de) * 1989-01-27 1990-08-02 Basf Ag Pflanzenschuetzende mittel auf basis von 1-aryl- bzw. 1-hetarylimidazolcarbonsaeureestern

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
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

Family Cites Families (4)

* 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
DE1287650C2 (de) * 1966-10-18 1976-02-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und schaltungsanordnung zur steuerung des verbindungsaufbaues in abhaengigkeit von informationen ueber die anschlussleitung
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448818A1 (fr) * 1979-02-07 1980-09-05 Int Standard Electric Corp Circuits d'alimentation a courant limite et d'egalisation automatique de signal, pour lignes telephoniques d'abonnes
FR2471093A1 (fr) * 1979-11-28 1981-06-12 Int Standard Electric Corp Circuit et procede de commande de gain pour signal numerique du type utilise dans les systemes telephoniques a commutation numerique et joncteur de ligne equipe d'un tel circuit
EP0515102A3 (en) * 1991-05-23 1993-03-24 American Telephone And Telegraph Company Automatic loss control circuit in a digital loop transmission system

Also Published As

Publication number Publication date
NL7710118A (nl) 1978-03-21
CA1089131A (en) 1980-11-04
DE2741667A1 (de) 1978-03-23
SE7710346L (sv) 1978-03-18
DE2741667C2 (enrdf_load_stackoverflow) 1987-09-24
GB1584778A (en) 1981-02-18
SE425537B (sv) 1982-10-04
BE858816A (fr) 1978-01-16
FR2365252B1 (enrdf_load_stackoverflow) 1982-03-26
ZA775490B (en) 1978-07-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
ST Notification of lapse