IT1110184B - Rete elettrica per l'impiego in um doppino di linea di un utente telefonico - Google Patents

Rete elettrica per l'impiego in um doppino di linea di un utente telefonico

Info

Publication number
IT1110184B
IT1110184B IT30518/77A IT3051877A IT1110184B IT 1110184 B IT1110184 B IT 1110184B IT 30518/77 A IT30518/77 A IT 30518/77A IT 3051877 A IT3051877 A IT 3051877A IT 1110184 B IT1110184 B IT 1110184B
Authority
IT
Italy
Prior art keywords
double line
telephone user
electricity network
electricity
network
Prior art date
Application number
IT30518/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1110184B publication Critical patent/IT1110184B/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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT30518/77A 1976-12-10 1977-12-07 Rete elettrica per l'impiego in um doppino di linea di un utente telefonico IT1110184B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7637285A FR2373927A1 (fr) 1976-12-10 1976-12-10 Reseau electrique destine a etre insere par une paire de bornes dans une boucle d'abonne telephonique

Publications (1)

Publication Number Publication Date
IT1110184B true IT1110184B (it) 1985-12-23

Family

ID=9180915

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30518/77A IT1110184B (it) 1976-12-10 1977-12-07 Rete elettrica per l'impiego in um doppino di linea di un utente telefonico

Country Status (13)

Country Link
US (1) US4135062A (it)
JP (1) JPS5372506A (it)
AT (1) ATA878177A (it)
AU (1) AU511552B2 (it)
BE (1) BE861646A (it)
CA (1) CA1091834A (it)
DE (1) DE2752883A1 (it)
DK (1) DK544377A (it)
FR (1) FR2373927A1 (it)
GB (1) GB1543280A (it)
IT (1) IT1110184B (it)
NL (1) NL7713454A (it)
SE (1) SE7713856L (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194091A (en) * 1978-12-29 1980-03-18 Bell Telephone Laboratories, Incorporated Line feed circuit
DE3132971A1 (de) * 1981-08-20 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer fernsprechvermittlungsanlagen, insbesondere kleine nebenstellenanlagen, bei denen zwischen den teilnehmerstellen und einer ihnen gemeinsamen einrichtung eine signalisierung vorgenommen wird
NL8204377A (nl) * 1982-11-12 1984-06-01 Philips Nv Abonneecircuit voor een telefoonnet.
JPS6051359A (ja) * 1983-08-31 1985-03-22 Nec Corp 加入者回路の給電回路
JPS59171393A (ja) * 1983-03-18 1984-09-27 Fujitsu Ltd ジグナリングコンバ−タ回路
JPS615451A (ja) * 1984-06-19 1986-01-11 Matsushita Electric Ind Co Ltd 情報記録担体
JPH0677763A (ja) * 1992-06-17 1994-03-18 Texas Instr Inc <Ti> 伝送線路を終端する方法と装置
DE19833072A1 (de) * 1998-07-23 2000-02-03 Philips Corp Intellectual Pty Oszillatorschaltung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254168A1 (en) * 1973-12-11 1975-07-04 Ass Ouvriers Instr Precision Telephone line supply device - is an active electronic device acting as resistance for direct current and high impedance for A.C.
JPS531123B2 (it) * 1973-12-28 1978-01-14

Also Published As

Publication number Publication date
GB1543280A (en) 1979-03-28
FR2373927B1 (it) 1979-06-29
SE7713856L (sv) 1978-06-11
DE2752883A1 (de) 1978-06-15
AU3131877A (en) 1979-06-14
US4135062A (en) 1979-01-16
JPS5372506A (en) 1978-06-28
CA1091834A (en) 1980-12-16
AU511552B2 (en) 1980-08-21
BE861646A (fr) 1978-06-08
ATA878177A (de) 1982-05-15
NL7713454A (nl) 1978-06-13
DK544377A (da) 1978-06-11
FR2373927A1 (fr) 1978-07-07

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