IT946045B - Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica - Google Patents

Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica

Info

Publication number
IT946045B
IT946045B IT30828/71A IT3082871A IT946045B IT 946045 B IT946045 B IT 946045B IT 30828/71 A IT30828/71 A IT 30828/71A IT 3082871 A IT3082871 A IT 3082871A IT 946045 B IT946045 B IT 946045B
Authority
IT
Italy
Prior art keywords
users
reciprocal
equipment
central unit
bidirectional connection
Prior art date
Application number
IT30828/71A
Other languages
English (en)
Inventor
O Malagoli
F Rossi
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Priority to IT30828/71A priority Critical patent/IT946045B/it
Priority to FR7207849A priority patent/FR2159854A5/fr
Priority to BE781881A priority patent/BE781881A/xx
Priority to ZA723830A priority patent/ZA723830B/xx
Priority to DE2248422A priority patent/DE2248422C3/de
Priority to NL7214389A priority patent/NL7214389A/xx
Priority to ES408344A priority patent/ES408344A1/es
Application granted granted Critical
Publication of IT946045B publication Critical patent/IT946045B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephonic Communication Services (AREA)
IT30828/71A 1971-11-08 1971-11-08 Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica IT946045B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT30828/71A IT946045B (it) 1971-11-08 1971-11-08 Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica
FR7207849A FR2159854A5 (it) 1971-11-08 1972-03-07
BE781881A BE781881A (fr) 1971-11-08 1972-04-10 Montage pour le raccordement reciproque selectif bidirectionneld'abonnes internes ou d'abonnes externes dans un central telephonique
ZA723830A ZA723830B (en) 1971-11-08 1972-06-05 Apparatus for the reciprocal selective bidirectional connection of internal subscribers or of subscribers to a private telephone exchange
DE2248422A DE2248422C3 (de) 1971-11-08 1972-10-03 Schaltungsanordnung zur Zweirichtungsverbindung der Teilnehmer einer Fernsprechvermittlungsanlage
NL7214389A NL7214389A (it) 1971-11-08 1972-10-24
ES408344A ES408344A1 (es) 1971-11-08 1972-10-28 Perfeccionamientos en las centrales telefonicas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30828/71A IT946045B (it) 1971-11-08 1971-11-08 Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica

Publications (1)

Publication Number Publication Date
IT946045B true IT946045B (it) 1973-05-21

Family

ID=11232342

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30828/71A IT946045B (it) 1971-11-08 1971-11-08 Apparecchiatura per il collegamen to reciproco selettivo bidireziona le di utenti interni o di utenti esterni in una centrale telefonica

Country Status (7)

Country Link
BE (1) BE781881A (it)
DE (1) DE2248422C3 (it)
ES (1) ES408344A1 (it)
FR (1) FR2159854A5 (it)
IT (1) IT946045B (it)
NL (1) NL7214389A (it)
ZA (1) ZA723830B (it)

Also Published As

Publication number Publication date
DE2248422B2 (de) 1978-08-10
ES408344A1 (es) 1975-11-01
DE2248422C3 (de) 1979-04-12
FR2159854A5 (it) 1973-06-22
BE781881A (fr) 1972-07-31
DE2248422A1 (de) 1973-05-24
ZA723830B (en) 1973-03-28
NL7214389A (it) 1973-05-10

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