IE38728B1 - Electronic feeding bridge for telephone line - Google Patents

Electronic feeding bridge for telephone line

Info

Publication number
IE38728B1
IE38728B1 IE50/74A IE5074A IE38728B1 IE 38728 B1 IE38728 B1 IE 38728B1 IE 50/74 A IE50/74 A IE 50/74A IE 5074 A IE5074 A IE 5074A IE 38728 B1 IE38728 B1 IE 38728B1
Authority
IE
Ireland
Prior art keywords
wires
circuit
line
telephone line
inductance
Prior art date
Application number
IE50/74A
Other languages
English (en)
Other versions
IE38728L (en
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 IE38728L publication Critical patent/IE38728L/xx
Publication of IE38728B1 publication Critical patent/IE38728B1/xx

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)
IE50/74A 1973-01-31 1974-01-09 Electronic feeding bridge for telephone line IE38728B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IE38728L IE38728L (en) 1974-07-31
IE38728B1 true IE38728B1 (en) 1978-05-24

Family

ID=9114110

Family Applications (1)

Application Number Title Priority Date Filing Date
IE50/74A IE38728B1 (en) 1973-01-31 1974-01-09 Electronic feeding bridge for telephone line

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254167B2 (enrdf_load_stackoverflow) * 1973-12-10 1978-08-18 Labo Cent Telecommunicat
GB1560922A (en) * 1977-02-01 1980-02-13 Plessey Co Ltd Telephone systems
IT1159706B (it) * 1978-06-02 1987-03-04 Cselt Centro Studi Lab Telecom Circuito telefonico elettronico di linea d'utente
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 (fr) * 1964-04-21 1965-03-05 Philips Nv Circuit pour appliquer une tension à une charge
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
ZA739295B (en) 1974-10-30
GB1413860A (en) 1975-11-12
FR2216733B1 (enrdf_load_stackoverflow) 1978-05-12
IE38728L (en) 1974-07-31
AU6438474A (en) 1975-07-10
FR2216733A1 (enrdf_load_stackoverflow) 1974-08-30

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