FR713817A - Telegraph installation - Google Patents

Telegraph installation

Info

Publication number
FR713817A
FR713817A FR713817DA FR713817A FR 713817 A FR713817 A FR 713817A FR 713817D A FR713817D A FR 713817DA FR 713817 A FR713817 A FR 713817A
Authority
FR
France
Prior art keywords
telegraph
installation
telegraph installation
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR713817A publication Critical patent/FR713817A/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
    • H04L12/06—Answer-back mechanisms or circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Lock And Its Accessories (AREA)
FR713817D 1930-03-29 1931-03-24 Telegraph installation Expired FR713817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE375782X 1930-03-29

Publications (1)

Publication Number Publication Date
FR713817A true FR713817A (en) 1931-11-03

Family

ID=6344146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713817D Expired FR713817A (en) 1930-03-29 1931-03-24 Telegraph installation

Country Status (4)

Country Link
US (1) US1902964A (en)
DE (1) DE676037C (en)
FR (1) FR713817A (en)
GB (1) GB375782A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528624A (en) * 1947-03-19 1950-11-07 Pierce Company Automatic operation and selective calling system
US2975228A (en) * 1954-10-06 1961-03-14 Ibm Data transmission system

Also Published As

Publication number Publication date
DE676037C (en) 1939-05-25
GB375782A (en) 1932-06-27
US1902964A (en) 1933-03-28

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