[go: up one dir, main page]

IT1180142B - Ripetitore per linee telefoniche a circuiti ibridi - Google Patents

Ripetitore per linee telefoniche a circuiti ibridi

Info

Publication number
IT1180142B
IT1180142B IT68158/84A IT6815884A IT1180142B IT 1180142 B IT1180142 B IT 1180142B IT 68158/84 A IT68158/84 A IT 68158/84A IT 6815884 A IT6815884 A IT 6815884A IT 1180142 B IT1180142 B IT 1180142B
Authority
IT
Italy
Prior art keywords
repeater
telephone lines
hybrid circuits
hybrid
circuits
Prior art date
Application number
IT68158/84A
Other languages
English (en)
Italian (it)
Other versions
IT8468158A1 (it
IT8468158A0 (it
Inventor
Szajnberg Mordka
Original Assignee
Microlab Sa
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 Microlab Sa filed Critical Microlab Sa
Publication of IT8468158A0 publication Critical patent/IT8468158A0/it
Publication of IT8468158A1 publication Critical patent/IT8468158A1/it
Application granted granted Critical
Publication of IT1180142B publication Critical patent/IT1180142B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
IT68158/84A 1984-04-23 1984-11-20 Ripetitore per linee telefoniche a circuiti ibridi IT1180142B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8401869A BR8401869A (pt) 1984-04-23 1984-04-23 Repetidor de frequencia de voz

Publications (3)

Publication Number Publication Date
IT8468158A0 IT8468158A0 (it) 1984-11-20
IT8468158A1 IT8468158A1 (it) 1986-05-20
IT1180142B true IT1180142B (it) 1987-09-23

Family

ID=4035487

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8454064U IT8454064V0 (it) 1984-04-23 1984-11-20 Ripetitore per linee telefoniche a circuiti ibridi
IT68158/84A IT1180142B (it) 1984-04-23 1984-11-20 Ripetitore per linee telefoniche a circuiti ibridi

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8454064U IT8454064V0 (it) 1984-04-23 1984-11-20 Ripetitore per linee telefoniche a circuiti ibridi

Country Status (5)

Country Link
BR (1) BR8401869A (de)
DE (1) DE3509409A1 (de)
FR (1) FR2563397A1 (de)
GB (1) GB2159021A (de)
IT (2) IT8454064V0 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160308B1 (de) * 1971-11-19 1977-01-28 Labo Cent Telecommunicat
DE2607480C2 (de) * 1976-02-20 1982-11-25 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine Gabel
US4064377A (en) * 1976-03-11 1977-12-20 Wescom Switching, Inc. Electronic hybrid and hybrid repeater
DE2655005C3 (de) * 1976-12-02 1980-04-17 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine elektronische Teilnehmerspeisung
GB1586410A (en) * 1978-05-30 1981-03-18 Plessey Co Ltd Hybrid circuits
IT1118946B (it) * 1979-10-04 1986-03-03 Cselt Centro Studi Lab Telecom Ricetrasmettitore per trasmissione bidirezionale simultanea di segnali numerici su una linea unica
US4331842A (en) * 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
GB2087199A (en) * 1980-10-16 1982-05-19 Texas Instruments Ltd Amplifiers for driving balanced lines
US4443884A (en) * 1982-03-18 1984-04-17 Protocol Computers, Inc. Data line interface
GB2137057B (en) * 1983-03-18 1986-07-02 Telspec Ltd Improvements in and relating to signal transmission devices

Also Published As

Publication number Publication date
FR2563397A1 (fr) 1985-10-25
GB8507659D0 (en) 1985-05-01
IT8454064V0 (it) 1984-11-20
IT8468158A1 (it) 1986-05-20
IT8468158A0 (it) 1984-11-20
BR8401869A (pt) 1985-11-26
DE3509409A1 (de) 1985-10-24
GB2159021A (en) 1985-11-20

Similar Documents

Publication Publication Date Title
IT1208346B (it) Particolarmente per ripetitori di involucro per circuiti elettronici linee telefoniche subacque
IT1168908B (it) Procedimento per formare dispositivi a circuiti integrati complementari
GB2137032B (en) Line protector for a communications circuit
IT1221754B (it) Armadietto per circuiti stampati
IT8467207A0 (it) Posto operatore per centralini telefonici
IT1192090B (it) Localizzatore automatico di guasti su linee telefoniche
DK241583D0 (da) Sloejfekredsloeb til telefonlinie
GB8426439D0 (en) Telecommunication line circuit
IT1180142B (it) Ripetitore per linee telefoniche a circuiti ibridi
IT1194227B (it) Blocceo di raccordo per linee di telecomunicazione
GB8310430D0 (en) Telephone exchange line circuits
ES543466A0 (es) Perfeccionamientos en los circuitos telefonicos
FR2546836B1 (fr) Station de telepherique
IT8148993A0 (it) Perfezionamento nei sistemi di tele comunicazione comprendenti circuiti ibridi senza trasformatore
ZA796286B (en) Longitudinal balance arrangements for two-to-four telecommunication line circuits
IT8422924A0 (it) Dispositivo di regolazione di linee di derivazione elettriche.
NO831247L (no) Anordning for opprettelse av en forbindelse mellom to av flere stasjoner
ZA796287B (en) Line current feed circuits for telecommunication exchanges
GB2131577B (en) Circuit route planning
PT80026A (en) Privacy circuit for common line telephones
ATA316784A (de) Schaltungsanordnung fuer fernsprechnetze
GB8334389D0 (en) Jacks for dials
KR850010477U (ko) 전화기용 콘센트의 전화선 자동연결 장치
AT382050B (de) Koppler fuer konferenzschaltungen
IT8423697A1 (it) Forno a rifusione per la saldatura di componenti su circuiti ibridi