GB531902A - Improvements in or relating to printing telegraph exchange systems - Google Patents

Improvements in or relating to printing telegraph exchange systems

Info

Publication number
GB531902A
GB531902A GB2021039A GB2021039A GB531902A GB 531902 A GB531902 A GB 531902A GB 2021039 A GB2021039 A GB 2021039A GB 2021039 A GB2021039 A GB 2021039A GB 531902 A GB531902 A GB 531902A
Authority
GB
United Kingdom
Prior art keywords
relay
line
circuit
energized
lines
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
GB2021039A
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.)
Individual
Original Assignee
Individual
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
Priority to NL56182D priority Critical patent/NL56182C/xx
Priority to BE441590D priority patent/BE441590A/xx
Application filed by Individual filed Critical Individual
Priority to GB2021039A priority patent/GB531902A/en
Priority to FR867233D priority patent/FR867233A/fr
Publication of GB531902A publication Critical patent/GB531902A/en
Priority to DEB10746A priority patent/DE897265C/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB2021039A 1939-07-11 1939-07-11 Improvements in or relating to printing telegraph exchange systems Expired GB531902A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL56182D NL56182C (ja) 1939-07-11
BE441590D BE441590A (ja) 1939-07-11
GB2021039A GB531902A (en) 1939-07-11 1939-07-11 Improvements in or relating to printing telegraph exchange systems
FR867233D FR867233A (fr) 1939-07-11 1940-09-19 Systèmes téléimprimeurs à bureaux centraux
DEB10746A DE897265C (de) 1939-07-11 1950-10-01 Fernschreib-Vermittlungssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2021039A GB531902A (en) 1939-07-11 1939-07-11 Improvements in or relating to printing telegraph exchange systems

Publications (1)

Publication Number Publication Date
GB531902A true GB531902A (en) 1941-01-14

Family

ID=10142241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2021039A Expired GB531902A (en) 1939-07-11 1939-07-11 Improvements in or relating to printing telegraph exchange systems

Country Status (5)

Country Link
BE (1) BE441590A (ja)
DE (1) DE897265C (ja)
FR (1) FR867233A (ja)
GB (1) GB531902A (ja)
NL (1) NL56182C (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599344A (en) * 1941-07-26 1952-06-03 Roelof M M Oberman Telegraph exchange for lines with simplex or duplex characteristics
US2602117A (en) * 1943-09-02 1952-07-01 Roelof M M Oberman Line adapting telegraph repeater
US2611815A (en) * 1941-07-26 1952-09-23 Roelof M M Oberman Signaling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599344A (en) * 1941-07-26 1952-06-03 Roelof M M Oberman Telegraph exchange for lines with simplex or duplex characteristics
US2611815A (en) * 1941-07-26 1952-09-23 Roelof M M Oberman Signaling system
US2602117A (en) * 1943-09-02 1952-07-01 Roelof M M Oberman Line adapting telegraph repeater

Also Published As

Publication number Publication date
DE897265C (de) 1953-11-19
FR867233A (fr) 1941-10-07
NL56182C (ja)
BE441590A (ja)

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