GB379754A - Improvements in and relating to telegraph systems adapted for conference connections - Google Patents

Improvements in and relating to telegraph systems adapted for conference connections

Info

Publication number
GB379754A
GB379754A GB1646931A GB1646931A GB379754A GB 379754 A GB379754 A GB 379754A GB 1646931 A GB1646931 A GB 1646931A GB 1646931 A GB1646931 A GB 1646931A GB 379754 A GB379754 A GB 379754A
Authority
GB
United Kingdom
Prior art keywords
station
conference
relay
group
relays
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
GB1646931A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB379754A publication Critical patent/GB379754A/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
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB1646931A 1930-06-08 1931-06-05 Improvements in and relating to telegraph systems adapted for conference connections Expired GB379754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE542962T 1930-06-08

Publications (1)

Publication Number Publication Date
GB379754A true GB379754A (en) 1932-09-05

Family

ID=34258078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1646931A Expired GB379754A (en) 1930-06-08 1931-06-05 Improvements in and relating to telegraph systems adapted for conference connections

Country Status (4)

Country Link
DE (2) DE542962C (en(2012))
FR (1) FR718050A (en(2012))
GB (1) GB379754A (en(2012))
NL (1) NL35599C (en(2012))

Also Published As

Publication number Publication date
FR718050A (fr) 1932-01-18
DE542962C (de) 1932-02-02
NL35599C (en(2012))
DE592910C (de) 1934-02-17

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