IT1123890B - Ponte di trasmissione per un circuito di linea di utenze telefoniche - Google Patents

Ponte di trasmissione per un circuito di linea di utenze telefoniche

Info

Publication number
IT1123890B
IT1123890B IT26572/79A IT2657279A IT1123890B IT 1123890 B IT1123890 B IT 1123890B IT 26572/79 A IT26572/79 A IT 26572/79A IT 2657279 A IT2657279 A IT 2657279A IT 1123890 B IT1123890 B IT 1123890B
Authority
IT
Italy
Prior art keywords
line circuit
telephone user
user line
transmission bridge
bridge
Prior art date
Application number
IT26572/79A
Other languages
English (en)
Italian (it)
Other versions
IT7926572A0 (it
Inventor
Eise Carel Dijkmans
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7926572A0 publication Critical patent/IT7926572A0/it
Application granted granted Critical
Publication of IT1123890B publication Critical patent/IT1123890B/it

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)
  • Confectionery (AREA)
  • Amplifiers (AREA)
IT26572/79A 1978-10-20 1979-10-17 Ponte di trasmissione per un circuito di linea di utenze telefoniche IT1123890B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7810504A NL7810504A (nl) 1978-10-20 1978-10-20 Voedingsbrug voor een abonneestroomloop.

Publications (2)

Publication Number Publication Date
IT7926572A0 IT7926572A0 (it) 1979-10-17
IT1123890B true IT1123890B (it) 1986-04-30

Family

ID=19831748

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26572/79A IT1123890B (it) 1978-10-20 1979-10-17 Ponte di trasmissione per un circuito di linea di utenze telefoniche

Country Status (10)

Country Link
JP (1) JPS5912065B2 (de)
AU (1) AU5188879A (de)
BE (1) BE879495A (de)
CA (1) CA1138140A (de)
DE (1) DE2941981C2 (de)
FR (1) FR2439519A1 (de)
GB (1) GB2034557B (de)
IT (1) IT1123890B (de)
NL (1) NL7810504A (de)
SE (1) SE434790B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551670A (en) * 1984-04-19 1985-11-05 At&T Bell Laboratories Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883300C (de) * 1945-03-21 1953-07-16 Aeg Waehlereinrichtung mit Zusaetzen zur Stromversorgung fuer Sprechstellen, die mit Verstaerkern ausgeruestet sind
GB1070901A (en) * 1963-01-03 1967-06-07 Post Office Improvements in or relating to telephone exchange systems
BE793240A (fr) * 1971-12-27 1973-04-16 Western Electric Co Coupleur a perte d'insertion reduite
US4007335A (en) * 1975-11-12 1977-02-08 Bell Telephone Laboratories, Incorporated Telephone line battery feed circuit

Also Published As

Publication number Publication date
GB2034557B (en) 1982-12-01
GB2034557A (en) 1980-06-04
CA1138140A (en) 1982-12-21
AU5188879A (en) 1980-04-24
BE879495A (fr) 1980-04-18
SE7908577L (sv) 1980-04-21
SE434790B (sv) 1984-08-13
NL7810504A (nl) 1980-04-22
JPS5556755A (en) 1980-04-25
FR2439519A1 (fr) 1980-05-16
DE2941981A1 (de) 1980-04-30
DE2941981C2 (de) 1983-04-21
IT7926572A0 (it) 1979-10-17
JPS5912065B2 (ja) 1984-03-21

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