ZA739295B - Electronic feeding bridge for a telephone line - Google Patents

Electronic feeding bridge for a telephone line

Info

Publication number
ZA739295B
ZA739295B ZA739295A ZA739295A ZA739295B ZA 739295 B ZA739295 B ZA 739295B ZA 739295 A ZA739295 A ZA 739295A ZA 739295 A ZA739295 A ZA 739295A ZA 739295 B ZA739295 B ZA 739295B
Authority
ZA
South Africa
Prior art keywords
telephone line
feeding bridge
electronic feeding
electronic
bridge
Prior art date
Application number
ZA739295A
Inventor
M Comte
P Girard
C Lerouge
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA739295B publication Critical patent/ZA739295B/en

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)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
ZA739295A 1973-01-31 1973-12-06 Electronic feeding bridge for a telephone line ZA739295B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7303357A FR2216733B1 (en) 1973-01-31 1973-01-31

Publications (1)

Publication Number Publication Date
ZA739295B true ZA739295B (en) 1974-10-30

Family

ID=9114110

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA739295A ZA739295B (en) 1973-01-31 1973-12-06 Electronic feeding bridge for a telephone line

Country Status (4)

Country Link
FR (1) FR2216733B1 (en)
GB (1) GB1413860A (en)
IE (1) IE38728B1 (en)
ZA (1) ZA739295B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254167B2 (en) * 1973-12-10 1978-08-18 Labo Cent Telecommunicat
GB1560922A (en) * 1977-02-01 1980-02-13 Plessey Co Ltd Telephone systems
IT1159706B (en) * 1978-06-02 1987-03-04 Cselt Centro Studi Lab Telecom USER LINE ELECTRONIC TELEPHONE CIRCUIT
GB2135854B (en) * 1983-02-10 1986-04-23 Robert James Redding Line-powered modem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1391351A (en) * 1964-04-21 1965-03-05 Philips Nv Circuit for applying voltage to a load
US3649769A (en) * 1970-10-28 1972-03-14 Gen Electric Circuit for supplying direct current to a telephone line

Also Published As

Publication number Publication date
IE38728B1 (en) 1978-05-24
FR2216733A1 (en) 1974-08-30
GB1413860A (en) 1975-11-12
FR2216733B1 (en) 1978-05-12
AU6438474A (en) 1975-07-10
IE38728L (en) 1974-07-31

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