CH304899A - Installation automatique de télécommunication. - Google Patents

Installation automatique de télécommunication.

Info

Publication number
CH304899A
CH304899A CH304899DA CH304899A CH 304899 A CH304899 A CH 304899A CH 304899D A CH304899D A CH 304899DA CH 304899 A CH304899 A CH 304899A
Authority
CH
Switzerland
Prior art keywords
telecommunications installation
automatic telecommunications
automatic
installation
telecommunications
Prior art date
Application number
Other languages
English (en)
Inventor
S A Standard Telephone E Radio
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH304899A publication Critical patent/CH304899A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Exchange Systems With Centralized Control (AREA)
CH304899D 1950-01-16 1951-01-12 Installation automatique de télécommunication. CH304899A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB304899X 1950-01-16

Publications (1)

Publication Number Publication Date
CH304899A true CH304899A (fr) 1955-01-31

Family

ID=10308488

Family Applications (1)

Application Number Title Priority Date Filing Date
CH304899D CH304899A (fr) 1950-01-16 1951-01-12 Installation automatique de télécommunication.

Country Status (6)

Country Link
US (1) US2744163A (fr)
BE (1) BE500638A (fr)
CH (1) CH304899A (fr)
DE (1) DE865474C (fr)
FR (1) FR1109008A (fr)
GB (1) GB700089A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725428A (en) * 1953-01-06 1955-11-29 Itt Multi-group primary-secondary-spread crossbar telephone system
BE527189A (fr) * 1953-03-12
BE546098A (fr) * 1953-11-30
US2871297A (en) * 1954-03-08 1959-01-27 Itt 100-line direct-access crossbar telephone switching unit
GB944162A (en) * 1956-05-08 1963-12-11 Standard Telephones Cables Ltd Improvements in or relating to automatic telephone exchanges

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612564A (en) * 1946-06-05 1952-09-30 Roelof M M Oberman Combined line finder final selector circuit
US2620400A (en) * 1949-10-17 1952-12-02 Snijders Antonie Arrangement for comparing voltages

Also Published As

Publication number Publication date
US2744163A (en) 1956-05-01
DE865474C (de) 1953-02-02
GB700089A (en) 1953-11-25
BE500638A (fr)
FR1109008A (fr) 1956-01-20

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