FR2159854A5 - - Google Patents

Info

Publication number
FR2159854A5
FR2159854A5 FR7207849A FR7207849A FR2159854A5 FR 2159854 A5 FR2159854 A5 FR 2159854A5 FR 7207849 A FR7207849 A FR 7207849A FR 7207849 A FR7207849 A FR 7207849A FR 2159854 A5 FR2159854 A5 FR 2159854A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7207849A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Italtel SpA
Siemens SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Siemens 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 Societa Italiana Telecomunicazioni Siemens SpA, Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Application granted granted Critical
Publication of FR2159854A5 publication Critical patent/FR2159854A5/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0008Selecting 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)
FR7207849A 1971-11-08 1972-03-07 Expired FR2159854A5 (de)

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
FR2159854A5 true FR2159854A5 (de) 1973-06-22

Family

ID=11232342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207849A Expired FR2159854A5 (de) 1971-11-08 1972-03-07

Country Status (7)

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

Also Published As

Publication number Publication date
DE2248422C3 (de) 1979-04-12
IT946045B (it) 1973-05-21
DE2248422B2 (de) 1978-08-10
ES408344A1 (es) 1975-11-01
DE2248422A1 (de) 1973-05-24
BE781881A (fr) 1972-07-31
ZA723830B (en) 1973-03-28
NL7214389A (de) 1973-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse