ZA774382B - A line power supply circuit for telephone subscriber equipment - Google Patents

A line power supply circuit for telephone subscriber equipment

Info

Publication number
ZA774382B
ZA774382B ZA00774382A ZA774382A ZA774382B ZA 774382 B ZA774382 B ZA 774382B ZA 00774382 A ZA00774382 A ZA 00774382A ZA 774382 A ZA774382 A ZA 774382A ZA 774382 B ZA774382 B ZA 774382B
Authority
ZA
South Africa
Prior art keywords
power supply
supply circuit
subscriber equipment
line power
telephone subscriber
Prior art date
Application number
ZA00774382A
Other languages
English (en)
Inventor
F Bronner
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of ZA774382B publication Critical patent/ZA774382B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
ZA00774382A 1976-07-27 1977-07-20 A line power supply circuit for telephone subscriber equipment ZA774382B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622844A FR2366755A1 (fr) 1976-07-27 1976-07-27 Telealimentation d'un equipement situe a l'extremite d'une ligne telephonique, cote abonne

Publications (1)

Publication Number Publication Date
ZA774382B true ZA774382B (en) 1978-06-28

Family

ID=9176192

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774382A ZA774382B (en) 1976-07-27 1977-07-20 A line power supply circuit for telephone subscriber equipment

Country Status (3)

Country Link
FR (1) FR2366755A1 (fr)
GB (1) GB1525210A (fr)
ZA (1) ZA774382B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647787A (en) * 1985-02-04 1987-03-03 Gte Communication Systems Corp. Backup battery power supply for microprocessor based telephones
GB2183964B (en) * 1985-11-28 1989-10-11 Stc Plc Telephone power supply

Also Published As

Publication number Publication date
GB1525210A (en) 1978-09-20
FR2366755B1 (fr) 1980-09-12
FR2366755A1 (fr) 1978-04-28

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