GB658514A - Automatic telegraph exchange systems - Google Patents

Automatic telegraph exchange systems

Info

Publication number
GB658514A
GB658514A GB3483747A GB3483747A GB658514A GB 658514 A GB658514 A GB 658514A GB 3483747 A GB3483747 A GB 3483747A GB 3483747 A GB3483747 A GB 3483747A GB 658514 A GB658514 A GB 658514A
Authority
GB
United Kingdom
Prior art keywords
relay
circuit
contact
contacts
over
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
GB3483747A
Other languages
English (en)
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB658514A publication Critical patent/GB658514A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB3483747A 1942-12-18 1947-12-30 Automatic telegraph exchange systems Expired GB658514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL108953A NL58549C (OSRAM) 1942-12-18 1942-12-18

Publications (1)

Publication Number Publication Date
GB658514A true GB658514A (en) 1951-10-10

Family

ID=47757233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3483747A Expired GB658514A (en) 1942-12-18 1947-12-30 Automatic telegraph exchange systems

Country Status (5)

Country Link
BE (1) BE483165A (OSRAM)
CH (1) CH283596A (OSRAM)
FR (1) FR957836A (OSRAM)
GB (1) GB658514A (OSRAM)
NL (2) NL58549C (OSRAM)

Also Published As

Publication number Publication date
NL60296C (OSRAM) 1947-12-15
BE483165A (OSRAM) 1948-06-30
NL58549C (OSRAM) 1946-02-15
CH283596A (fr) 1952-06-15
FR957836A (OSRAM) 1950-02-25

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