GB964967A - Improvements in and relating to telegraph circuits - Google Patents

Improvements in and relating to telegraph circuits

Info

Publication number
GB964967A
GB964967A GB2774560A GB2774560A GB964967A GB 964967 A GB964967 A GB 964967A GB 2774560 A GB2774560 A GB 2774560A GB 2774560 A GB2774560 A GB 2774560A GB 964967 A GB964967 A GB 964967A
Authority
GB
United Kingdom
Prior art keywords
subscriber
exchange
current
signals
relay
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
GB2774560A
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.)
Budavox Budapesti Hiradastechnikai Vallalat
Original Assignee
Budavox Budapesti Hiradastechnikai Vallalat
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 Budavox Budapesti Hiradastechnikai Vallalat filed Critical Budavox Budapesti Hiradastechnikai Vallalat
Publication of GB964967A publication Critical patent/GB964967A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
GB2774560A 1959-08-10 1960-08-10 Improvements in and relating to telegraph circuits Expired GB964967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBU000217 1959-08-10

Publications (1)

Publication Number Publication Date
GB964967A true GB964967A (en) 1964-07-29

Family

ID=10993808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2774560A Expired GB964967A (en) 1959-08-10 1960-08-10 Improvements in and relating to telegraph circuits

Country Status (2)

Country Link
GB (1) GB964967A (enrdf_load_stackoverflow)
NL (1) NL254758A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL254758A (enrdf_load_stackoverflow)

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