BE781881A - ASSEMBLY FOR THE RECIPROCAL SELECTIVE BIDIRECTIONAL CONNECTION OF INTERNAL SUBSCRIBERS OR EXTERNAL SUBSCRIBERS IN A TELEPHONE CENTRAL - Google Patents

ASSEMBLY FOR THE RECIPROCAL SELECTIVE BIDIRECTIONAL CONNECTION OF INTERNAL SUBSCRIBERS OR EXTERNAL SUBSCRIBERS IN A TELEPHONE CENTRAL

Info

Publication number
BE781881A
BE781881A BE781881A BE781881A BE781881A BE 781881 A BE781881 A BE 781881A BE 781881 A BE781881 A BE 781881A BE 781881 A BE781881 A BE 781881A BE 781881 A BE781881 A BE 781881A
Authority
BE
Belgium
Prior art keywords
subscribers
reciprocal
assembly
bidirectional connection
internal
Prior art date
Application number
BE781881A
Other languages
French (fr)
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of BE781881A publication Critical patent/BE781881A/en

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)
BE781881A 1971-11-08 1972-04-10 ASSEMBLY FOR THE RECIPROCAL SELECTIVE BIDIRECTIONAL CONNECTION OF INTERNAL SUBSCRIBERS OR EXTERNAL SUBSCRIBERS IN A TELEPHONE CENTRAL BE781881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30828/71A IT946045B (en) 1971-11-08 1971-11-08 EQUIPMENT FOR THE RECIPROCAL SELECTIVE BIDIRECTIONAL CONNECTION OF INTERNAL USERS OR EXTERNAL USERS IN A TELEPHONE CENTRAL UNIT

Publications (1)

Publication Number Publication Date
BE781881A true BE781881A (en) 1972-07-31

Family

ID=11232342

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781881A BE781881A (en) 1971-11-08 1972-04-10 ASSEMBLY FOR THE RECIPROCAL SELECTIVE BIDIRECTIONAL CONNECTION OF INTERNAL SUBSCRIBERS OR EXTERNAL SUBSCRIBERS IN A TELEPHONE CENTRAL

Country Status (7)

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

Also Published As

Publication number Publication date
ES408344A1 (en) 1975-11-01
NL7214389A (en) 1973-05-10
DE2248422C3 (en) 1979-04-12
IT946045B (en) 1973-05-21
ZA723830B (en) 1973-03-28
DE2248422A1 (en) 1973-05-24
DE2248422B2 (en) 1978-08-10
FR2159854A5 (en) 1973-06-22

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