FR2552288B1 - Joncteur d'abonne telephonique - Google Patents

Joncteur d'abonne telephonique

Info

Publication number
FR2552288B1
FR2552288B1 FR8314693A FR8314693A FR2552288B1 FR 2552288 B1 FR2552288 B1 FR 2552288B1 FR 8314693 A FR8314693 A FR 8314693A FR 8314693 A FR8314693 A FR 8314693A FR 2552288 B1 FR2552288 B1 FR 2552288B1
Authority
FR
France
Prior art keywords
telephone subscriber
subscriber
telephone
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.)
Expired
Application number
FR8314693A
Other languages
English (en)
Other versions
FR2552288A1 (fr
Inventor
Francois
Pierre Bailly
Alain Bourgoin
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR8314693A priority Critical patent/FR2552288B1/fr
Priority to GB08422787A priority patent/GB2146873B/en
Priority to US06/650,181 priority patent/US4682355A/en
Priority to IT67922/84A priority patent/IT1179123B/it
Publication of FR2552288A1 publication Critical patent/FR2552288A1/fr
Application granted granted Critical
Publication of FR2552288B1 publication Critical patent/FR2552288B1/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
FR8314693A 1983-09-15 1983-09-15 Joncteur d'abonne telephonique Expired FR2552288B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8314693A FR2552288B1 (fr) 1983-09-15 1983-09-15 Joncteur d'abonne telephonique
GB08422787A GB2146873B (en) 1983-09-15 1984-09-10 Telephone subscriber line circuit
US06/650,181 US4682355A (en) 1983-09-15 1984-09-13 Electronic feeding bridge for a space division switching network
IT67922/84A IT1179123B (it) 1983-09-15 1984-09-14 Congiuntore di abbonato telefonico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8314693A FR2552288B1 (fr) 1983-09-15 1983-09-15 Joncteur d'abonne telephonique

Publications (2)

Publication Number Publication Date
FR2552288A1 FR2552288A1 (fr) 1985-03-22
FR2552288B1 true FR2552288B1 (fr) 1989-03-24

Family

ID=9292249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8314693A Expired FR2552288B1 (fr) 1983-09-15 1983-09-15 Joncteur d'abonne telephonique

Country Status (4)

Country Link
US (1) US4682355A (fr)
FR (1) FR2552288B1 (fr)
GB (1) GB2146873B (fr)
IT (1) IT1179123B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791668A (en) * 1987-09-23 1988-12-13 Northern Telecom Limited Selectable impedance line interface circuit
US4899382A (en) * 1988-06-15 1990-02-06 Siemens Transmission Systems, Inc. Telephone circuit using DC blocked transformer and negative impedance technique
US5052039A (en) * 1990-01-16 1991-09-24 Northern Telecom Limited Line interface circuit
EP0450884B1 (fr) * 1990-04-04 1996-06-12 Seiscor Technologies, Inc. Circuit d'interface pour ligne d'abonné délivrant du courant régulé
CA2097354A1 (fr) * 1992-08-06 1994-02-07 Ian A. Schorr Circuit d'alimentation batterie
US5515433A (en) * 1994-08-30 1996-05-07 Reltec Corporation Resistance forward telephone line feed circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE306104B (fr) * 1966-09-19 1968-11-18 Siemens Ag
FR2038463A5 (fr) * 1969-03-12 1971-01-08 Person Jean
US3562561A (en) * 1969-03-21 1971-02-09 Bell Telephone Labor Inc Shunt-type negative impedance converter with both short and open circuit stability
US3987375A (en) * 1975-03-25 1976-10-19 Stromberg-Carlson Corporation Transmission bridge exhibiting reduced distortion
US4197431A (en) * 1978-10-02 1980-04-08 Digital Telephone Systems, Inc. Subscriber loop feed apparatus
GB2042848B (en) * 1978-12-30 1983-01-06 Plessey Co Ltd Line current feed and hybrid arrangement (sytem x)
FR2462006A1 (fr) * 1979-07-20 1981-02-06 Ibm France Dispositif pour augmenter l'inductance parallele d'un transformateur
US4532384A (en) * 1983-02-04 1985-07-30 Northern Telecom Limited Line feed circuit including negative impedance circuit

Also Published As

Publication number Publication date
IT8467922A1 (it) 1986-03-14
GB2146873A (en) 1985-04-24
US4682355A (en) 1987-07-21
FR2552288A1 (fr) 1985-03-22
IT8467922A0 (it) 1984-09-14
GB8422787D0 (en) 1984-10-17
GB2146873B (en) 1987-08-05
IT1179123B (it) 1987-09-16

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Legal Events

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