CH316037A - Automatic switching installation in a telecommunications center - Google Patents

Automatic switching installation in a telecommunications center

Info

Publication number
CH316037A
CH316037A CH316037DA CH316037A CH 316037 A CH316037 A CH 316037A CH 316037D A CH316037D A CH 316037DA CH 316037 A CH316037 A CH 316037A
Authority
CH
Switzerland
Prior art keywords
automatic switching
switching installation
telecommunications center
telecommunications
center
Prior art date
Application number
Other languages
French (fr)
Inventor
Marie Prof Dr Ir Oberm Maarten
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 CH316037A publication Critical patent/CH316037A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
CH316037D 1951-05-19 1952-05-14 Automatic switching installation in a telecommunications center CH316037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL309356X 1951-05-19

Publications (1)

Publication Number Publication Date
CH316037A true CH316037A (en) 1956-09-15

Family

ID=19783578

Family Applications (2)

Application Number Title Priority Date Filing Date
CH309356D CH309356A (en) 1951-05-19 1952-04-23 Line circuit of a telecommunications installation.
CH316037D CH316037A (en) 1951-05-19 1952-05-14 Automatic switching installation in a telecommunications center

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH309356D CH309356A (en) 1951-05-19 1952-04-23 Line circuit of a telecommunications installation.

Country Status (6)

Country Link
BE (2) BE511424A (en)
CH (2) CH309356A (en)
DE (2) DE919480C (en)
FR (2) FR1059993A (en)
GB (2) GB713703A (en)
NL (3) NL161343B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969954C (en) * 1954-10-28 1958-08-07 Allg Telefon Fabrik G M B H Circuit arrangement for telecommunications systems with call seekers
DE1029044B (en) * 1955-09-14 1958-04-30 Siemens Ag Relayless subscriber circuit for telephone systems
CN110716467B (en) * 2019-10-16 2021-03-30 南京南瑞继保电气有限公司 Communication method and control system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE322105C (en) * 1912-09-27 1920-06-22 Western Electric Co Ltd Circuit arrangement for telephone systems, in which calling lines are connected to connecting circuits by means of automatic switching mechanisms
DE696328C (en) * 1937-03-10 1940-09-19 Normalzeit G M B H Circuit arrangement for telecommunication systems with dialer operation for the automatic notification of a subscriber who is prevented from establishing a connection when the connection path becomes free

Also Published As

Publication number Publication date
GB750130A (en) 1956-06-13
FR1065475A (en) 1954-05-26
BE511424A (en)
NL81336C (en)
FR1059993A (en) 1954-03-30
NL161342B (en)
GB713703A (en) 1954-08-18
DE919480C (en) 1954-10-25
NL161343B (en)
CH309356A (en) 1955-08-31
DE940359C (en) 1956-03-15
BE510822A (en)

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