FR740334A - Coupling arrangement in intermediate telegraph offices with relay transmission arrangements - Google Patents

Coupling arrangement in intermediate telegraph offices with relay transmission arrangements

Info

Publication number
FR740334A
FR740334A FR740334DA FR740334A FR 740334 A FR740334 A FR 740334A FR 740334D A FR740334D A FR 740334DA FR 740334 A FR740334 A FR 740334A
Authority
FR
France
Prior art keywords
coupling arrangement
relay transmission
transmission arrangements
telegraph
offices
Prior art date
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
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR740334A publication Critical patent/FR740334A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/04—Switchboards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR740334D 1931-07-25 1932-07-19 Coupling arrangement in intermediate telegraph offices with relay transmission arrangements Expired FR740334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE393111X 1931-07-25

Publications (1)

Publication Number Publication Date
FR740334A true FR740334A (en) 1933-01-24

Family

ID=6389658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740334D Expired FR740334A (en) 1931-07-25 1932-07-19 Coupling arrangement in intermediate telegraph offices with relay transmission arrangements

Country Status (4)

Country Link
BE (1) BE389936A (en)
FR (1) FR740334A (en)
GB (1) GB393111A (en)
NL (1) NL35389C (en)

Also Published As

Publication number Publication date
GB393111A (en) 1933-06-01
BE389936A (en)
NL35389C (en)

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