FR718050A - Couplage de conférence pour télégraphie - Google Patents

Couplage de conférence pour télégraphie

Info

Publication number
FR718050A
FR718050A FR718050DA FR718050A FR 718050 A FR718050 A FR 718050A FR 718050D A FR718050D A FR 718050DA FR 718050 A FR718050 A FR 718050A
Authority
FR
France
Prior art keywords
telegraphy
conference
coupling
conference coupling
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
Other languages
English (en)
French (fr)
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
Application granted granted Critical
Publication of FR718050A publication Critical patent/FR718050A/fr
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)
FR718050D 1930-06-08 1931-06-02 Couplage de conférence pour télégraphie Expired FR718050A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR718050A true FR718050A (fr) 1932-01-18

Family

ID=34258078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718050D Expired FR718050A (fr) 1930-06-08 1931-06-02 Couplage de conférence pour télégraphie

Country Status (4)

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

Also Published As

Publication number Publication date
GB379754A (en) 1932-09-05
DE542962C (de) 1932-02-02
DE592910C (de) 1934-02-17
NL35599C (instruction)

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