ZA777006B - Subscriber's equipment for a telephone exchange - Google Patents

Subscriber's equipment for a telephone exchange

Info

Publication number
ZA777006B
ZA777006B ZA00777006A ZA777006A ZA777006B ZA 777006 B ZA777006 B ZA 777006B ZA 00777006 A ZA00777006 A ZA 00777006A ZA 777006 A ZA777006 A ZA 777006A ZA 777006 B ZA777006 B ZA 777006B
Authority
ZA
South Africa
Prior art keywords
subscriber
equipment
telephone exchange
telephone
exchange
Prior art date
Application number
ZA00777006A
Other languages
English (en)
Inventor
J Picandet
A Baratin
Original Assignee
Jeumont Schneider
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 Jeumont Schneider filed Critical Jeumont Schneider
Publication of ZA777006B publication Critical patent/ZA777006B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/005Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
ZA00777006A 1976-11-25 1977-11-24 Subscriber's equipment for a telephone exchange ZA777006B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7635606A FR2372554A1 (fr) 1976-11-25 1976-11-25 Equipement de ligne d'abonne pour central telephonique

Publications (1)

Publication Number Publication Date
ZA777006B true ZA777006B (en) 1978-09-27

Family

ID=9180323

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00777006A ZA777006B (en) 1976-11-25 1977-11-24 Subscriber's equipment for a telephone exchange

Country Status (21)

Country Link
US (1) US4133986A (fr)
JP (1) JPS5368108A (fr)
AT (1) AT364391B (fr)
AU (1) AU508108B2 (fr)
BE (1) BE861080A (fr)
BR (1) BR7707753A (fr)
CA (1) CA1074935A (fr)
CH (1) CH619578A5 (fr)
DD (1) DD134301A5 (fr)
DE (1) DE2751444C3 (fr)
ES (1) ES464223A1 (fr)
FR (1) FR2372554A1 (fr)
GB (1) GB1538017A (fr)
HK (1) HK5980A (fr)
IT (1) IT1090447B (fr)
LU (1) LU78569A1 (fr)
MX (1) MX143397A (fr)
NL (1) NL185435C (fr)
OA (1) OA05805A (fr)
SE (1) SE421577B (fr)
ZA (1) ZA777006B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802421A (nl) * 1978-03-06 1979-09-10 Philips Nv Voedingsschakeling voor een abonneelijnstroom- loop.
FR2422300A1 (fr) * 1978-04-03 1979-11-02 Trt Telecom Radio Electr Joncteur comportant un amplificateur de puissance symetrique pour alimenter la ligne d'abonne
US4433215A (en) * 1979-02-26 1984-02-21 Tii Corporation Solid state hybrid circuits
US4387273A (en) * 1980-08-25 1983-06-07 International Telephone And Telegraph Corporation Subscriber line interface circuit with impedance synthesizer
DE3237652A1 (de) * 1982-10-11 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Fernsprechanlage
US10720996B2 (en) * 2016-08-19 2020-07-21 Fujitsu Limited Frequency characteristic adjustment circuit, optical transmission module using the same, and optical transceiver

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT291356B (de) * 1969-05-09 1971-07-12 Itt Austria Schaltungsanordnung zur selbsttätigen Aufrechterhaltung der Symmetrie von Speiseschaltungen für Teilnehmerstellen in Fernmelde-Anlagen unter Verwendung von Transistoren
FR2305080A1 (fr) * 1975-03-20 1976-10-15 Jeumont Schneider Termineur electronique
DE2556157C3 (de) * 1975-12-11 1979-01-18 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine elektronische Teilnehmerspeisung

Also Published As

Publication number Publication date
MX143397A (es) 1981-04-30
ATA808677A (de) 1981-03-15
DE2751444B2 (de) 1981-05-14
GB1538017A (en) 1979-01-10
JPS5368108A (en) 1978-06-17
HK5980A (en) 1980-02-29
NL185435C (nl) 1990-04-02
DE2751444A1 (de) 1978-06-01
US4133986A (en) 1979-01-09
NL7712719A (nl) 1978-05-29
IT1090447B (it) 1985-06-26
BE861080A (fr) 1978-03-16
CH619578A5 (fr) 1980-09-30
OA05805A (fr) 1981-05-31
AU508108B2 (en) 1980-03-06
NL185435B (nl) 1989-11-01
FR2372554A1 (fr) 1978-06-23
DE2751444C3 (de) 1982-02-18
CA1074935A (fr) 1980-04-01
AT364391B (de) 1981-10-12
SE7713305L (sv) 1978-05-26
DD134301A5 (de) 1979-02-14
ES464223A1 (es) 1978-07-01
FR2372554B1 (fr) 1981-02-20
SE421577B (sv) 1982-01-04
LU78569A1 (fr) 1978-04-20
AU3075877A (en) 1979-05-24
BR7707753A (pt) 1978-08-01

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