CH309354A - Telecommunication installation with teletypes. - Google Patents

Telecommunication installation with teletypes.

Info

Publication number
CH309354A
CH309354A CH309354DA CH309354A CH 309354 A CH309354 A CH 309354A CH 309354D A CH309354D A CH 309354DA CH 309354 A CH309354 A CH 309354A
Authority
CH
Switzerland
Prior art keywords
teletypes
telecommunication installation
telecommunication
installation
Prior art date
Application number
Other languages
French (fr)
Inventor
Staatsbedrijf Der Poster Telep
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of CH309354A publication Critical patent/CH309354A/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42221—Conversation recording systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
CH309354D 1942-05-02 1947-12-19 Telecommunication installation with teletypes. CH309354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL309354X 1942-05-02

Publications (1)

Publication Number Publication Date
CH309354A true CH309354A (en) 1955-08-31

Family

ID=19783577

Family Applications (1)

Application Number Title Priority Date Filing Date
CH309354D CH309354A (en) 1942-05-02 1947-12-19 Telecommunication installation with teletypes.

Country Status (5)

Country Link
BE (1) BE483450A (en)
CH (1) CH309354A (en)
DE (1) DE851825C (en)
FR (1) FR958997A (en)
NL (1) NL57012C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE548354A (en) * 1955-06-06

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50287C (en) * 1935-07-24
US2149386A (en) * 1936-04-02 1939-03-07 Teletype Corp Intercommunicating and broadcasting switchboard
BE428135A (en) * 1937-05-21

Also Published As

Publication number Publication date
DE851825C (en) 1952-10-09
NL57012C (en)
FR958997A (en) 1950-03-22
BE483450A (en)

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