FR677763A - Switching device for telegraph installations - Google Patents

Switching device for telegraph installations

Info

Publication number
FR677763A
FR677763A FR677763DA FR677763A FR 677763 A FR677763 A FR 677763A FR 677763D A FR677763D A FR 677763DA FR 677763 A FR677763 A FR 677763A
Authority
FR
France
Prior art keywords
switching device
telegraph
installations
telegraph installations
switching
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 FR677763A publication Critical patent/FR677763A/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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Relay Circuits (AREA)
FR677763D 1928-07-05 1929-07-02 Switching device for telegraph installations Expired FR677763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE314961X 1928-07-05

Publications (1)

Publication Number Publication Date
FR677763A true FR677763A (en) 1930-03-14

Family

ID=6148761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677763D Expired FR677763A (en) 1928-07-05 1929-07-02 Switching device for telegraph installations

Country Status (3)

Country Link
US (1) US1817989A (en)
FR (1) FR677763A (en)
GB (1) GB314961A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89721C (en) * 1954-06-28

Also Published As

Publication number Publication date
US1817989A (en) 1931-08-11
GB314961A (en) 1930-08-07

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