FR2365252B1 - - Google Patents

Info

Publication number
FR2365252B1
FR2365252B1 FR7728078A FR7728078A FR2365252B1 FR 2365252 B1 FR2365252 B1 FR 2365252B1 FR 7728078 A FR7728078 A FR 7728078A FR 7728078 A FR7728078 A FR 7728078A FR 2365252 B1 FR2365252 B1 FR 2365252B1
Authority
FR
France
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
Application number
FR7728078A
Other languages
French (fr)
Other versions
FR2365252A1 (en
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 Co PLC
General Electric Co
Original Assignee
General Electric Co PLC
General Electric Co
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 Co PLC, General Electric Co filed Critical General Electric Co PLC
Publication of FR2365252A1 publication Critical patent/FR2365252A1/en
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 METHOD AND DEVICE FOR COMPENSATION OF ONLINE MITIGATION IN A TELEPHONE NETWORK Granted FR2365252A1 (en)

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

Family

ID=10404250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728078A Granted FR2365252A1 (en) 1976-09-17 1977-09-16 METHOD AND DEVICE FOR COMPENSATION OF ONLINE MITIGATION IN A TELEPHONE NETWORK

Country Status (8)

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

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 (en) * 1989-01-27 1990-08-02 Basf Ag PLANT PROTECTIVE AGENTS BASED ON 1-ARYL OR 1-HETARYLIMIDAZOLE CARBONIC ACID ESTERS
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 (en) * 1965-08-04 1969-07-24 Siemens Ag Circuit arrangement for telephone systems, in particular private branch exchanges with telephone stations, which have an automatic attenuation compensation
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
DE2250651B2 (en) * 1972-10-16 1975-06-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for attenuation compensation in a private branch exchange with four-wire connection paths
DE2347696C3 (en) * 1973-09-21 1978-12-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for feeding subscriber lines in telephone switching systems
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 (en) 1978-03-23
BE858816A (en) 1978-01-16
GB1584778A (en) 1981-02-18
ZA775490B (en) 1978-07-26
DE2741667C2 (en) 1987-09-24
NL7710118A (en) 1978-03-21
SE7710346L (en) 1978-03-18
SE425537B (en) 1982-10-04
CA1089131A (en) 1980-11-04
FR2365252A1 (en) 1978-04-14

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Legal Events

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