GB501705A - Telegraph exchange system - Google Patents

Telegraph exchange system

Info

Publication number
GB501705A
GB501705A GB14979/38A GB1497938A GB501705A GB 501705 A GB501705 A GB 501705A GB 14979/38 A GB14979/38 A GB 14979/38A GB 1497938 A GB1497938 A GB 1497938A GB 501705 A GB501705 A GB 501705A
Authority
GB
United Kingdom
Prior art keywords
relay
current
connects
mains
subscriber
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
GB14979/38A
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.)
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
Publication of GB501705A publication Critical patent/GB501705A/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)
  • Interface Circuits In Exchanges (AREA)
GB14979/38A 1937-05-19 1938-05-19 Telegraph exchange system Expired GB501705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE203263X 1937-05-19

Publications (1)

Publication Number Publication Date
GB501705A true GB501705A (en) 1939-03-03

Family

ID=5775512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14979/38A Expired GB501705A (en) 1937-05-19 1938-05-19 Telegraph exchange system

Country Status (4)

Country Link
CH (1) CH203263A (enrdf_load_stackoverflow)
FR (1) FR838097A (enrdf_load_stackoverflow)
GB (1) GB501705A (enrdf_load_stackoverflow)
NL (1) NL50741C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL50741C (enrdf_load_stackoverflow)
FR838097A (fr) 1939-02-27
CH203263A (de) 1939-02-28

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