BR8106570A - Disposicao de circuito - Google Patents

Disposicao de circuito

Info

Publication number
BR8106570A
BR8106570A BR8106570A BR8106570A BR8106570A BR 8106570 A BR8106570 A BR 8106570A BR 8106570 A BR8106570 A BR 8106570A BR 8106570 A BR8106570 A BR 8106570A BR 8106570 A BR8106570 A BR 8106570A
Authority
BR
Brazil
Prior art keywords
circuit arrangement
arrangement
circuit
Prior art date
Application number
BR8106570A
Other languages
English (en)
Inventor
E Bonaparte
V Mosca
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Publication of BR8106570A publication Critical patent/BR8106570A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BR8106570A 1980-10-09 1981-10-09 Disposicao de circuito BR8106570A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25213/80A IT1149225B (it) 1980-10-09 1980-10-09 Disposizione circuitale per utenti duplex in centrali di commutazione telefonica di tipo elettronico

Publications (1)

Publication Number Publication Date
BR8106570A true BR8106570A (pt) 1982-06-29

Family

ID=11216022

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106570A BR8106570A (pt) 1980-10-09 1981-10-09 Disposicao de circuito

Country Status (5)

Country Link
US (1) US4435619A (pt)
BR (1) BR8106570A (pt)
DE (1) DE3140182A1 (pt)
FR (1) FR2492206A1 (pt)
IT (1) IT1149225B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3517088C1 (de) * 1985-05-11 1986-09-04 Neumann Elektronik GmbH, 4330 Mülheim Einrichtung an einem Fernsprech-Teilnehmeranschluss zur Abschaltung einer von zwei wechselweise automatisch anschaltbaren Sprechstellen von der Vermittlungsstelle aus bei ungewolltem Schleifenanschluss in dieser Sprechstelle
DE3532960C1 (de) * 1985-09-16 1987-02-05 Neumann Elektronik Gmbh Einrichtung an einem Fernsprech-Teilnehmeranschluss mit zwei wechselweise automatisch anschaltbaren Sprechstellen zur Abschaltung einer,einen ungewollten Schleifenschluss aufweisenden Sprechstelle von der Vermittlungsstelle aus
US5245654A (en) * 1991-10-10 1993-09-14 Cermetek Microelectronics, Inc. Solid state isolation device using opto-isolators

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756800A (fr) * 1969-09-29 1971-03-29 Siemens Ag Montage pour installations de telecommunications a commande centrale, plus particulierement pour installations telephoniques a branchement double
DE1950427B2 (de) * 1969-10-07 1976-12-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung fuer zweieranschluesse in fernmelde-, insbesondere fernsprechanlagen
DE2147732C3 (de) * 1971-09-24 1978-10-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Prüfen der Teilnehmeranschlußleitungen in Fernmelde- insbesondere Fernsprechanlagen mit jeweils zwei über eine gemeinsame Anschlußleitung angeschlossenen Teilnehmerstellen
AT336090B (de) * 1974-09-20 1977-04-12 Kapsch Telephon Telegraph Gesellschaftsanschluss

Also Published As

Publication number Publication date
IT1149225B (it) 1986-12-03
US4435619A (en) 1984-03-06
FR2492206A1 (fr) 1982-04-16
IT8025213A0 (it) 1980-10-09
FR2492206B3 (pt) 1983-07-29
DE3140182A1 (de) 1982-06-09

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