FR718513A - Control device for telegraph installations - Google Patents

Control device for telegraph installations

Info

Publication number
FR718513A
FR718513A FR718513DA FR718513A FR 718513 A FR718513 A FR 718513A FR 718513D A FR718513D A FR 718513DA FR 718513 A FR718513 A FR 718513A
Authority
FR
France
Prior art keywords
control device
telegraph
installations
telegraph installations
control
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 FR718513A publication Critical patent/FR718513A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR718513D 1930-06-13 1931-06-11 Control device for telegraph installations Expired FR718513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE718513X 1930-06-13

Publications (1)

Publication Number Publication Date
FR718513A true FR718513A (en) 1932-01-26

Family

ID=6626966

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718513D Expired FR718513A (en) 1930-06-13 1931-06-11 Control device for telegraph installations

Country Status (2)

Country Link
DE (1) DE669121C (en)
FR (1) FR718513A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742659C (en) * 1941-11-26 1944-11-17 Siemens Ag Circuit arrangement for telecommunications systems, in particular telephone systems
DE863504C (en) * 1943-04-13 1953-01-19 Lorenz C Ag Circuit arrangement for telegraph connections with 4-wire operation and reading device
DE914982C (en) * 1949-08-14 1954-07-12 Siemens Ag Circuit arrangement for telecommunication, in particular telephone systems
NL107923C (en) * 1955-06-28

Also Published As

Publication number Publication date
DE669121C (en) 1938-12-17

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