GB534459A - Improvements in or relating to telecommunication exchange systems - Google Patents

Improvements in or relating to telecommunication exchange systems

Info

Publication number
GB534459A
GB534459A GB19117/39A GB1911739A GB534459A GB 534459 A GB534459 A GB 534459A GB 19117/39 A GB19117/39 A GB 19117/39A GB 1911739 A GB1911739 A GB 1911739A GB 534459 A GB534459 A GB 534459A
Authority
GB
United Kingdom
Prior art keywords
relay
exchange
switch
rir
energizes
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
GB19117/39A
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
Application filed by Individual filed Critical Individual
Publication of GB534459A publication Critical patent/GB534459A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • 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)
  • Relay Circuits (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB19117/39A 1939-06-30 1939-06-30 Improvements in or relating to telecommunication exchange systems Expired GB534459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB274629X 1939-06-30

Publications (1)

Publication Number Publication Date
GB534459A true GB534459A (en) 1941-03-07

Family

ID=10259990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19117/39A Expired GB534459A (en) 1939-06-30 1939-06-30 Improvements in or relating to telecommunication exchange systems

Country Status (4)

Country Link
BE (1) BE440574A (enrdf_load_stackoverflow)
CH (1) CH274629A (enrdf_load_stackoverflow)
FR (1) FR867216A (enrdf_load_stackoverflow)
GB (1) GB534459A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR867216A (fr) 1941-10-07
BE440574A (enrdf_load_stackoverflow)
CH274629A (de) 1951-04-15

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