CH307140A - Telecommunications installation. - Google Patents

Telecommunications installation.

Info

Publication number
CH307140A
CH307140A CH307140DA CH307140A CH 307140 A CH307140 A CH 307140A CH 307140D A CH307140D A CH 307140DA CH 307140 A CH307140 A CH 307140A
Authority
CH
Switzerland
Prior art keywords
telecommunications installation
telecommunications
installation
Prior art date
Application number
Other languages
French (fr)
Inventor
Automatic Telephone El Limited
Original Assignee
Automatic Telephone & Elect
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 Automatic Telephone & Elect filed Critical Automatic Telephone & Elect
Publication of CH307140A publication Critical patent/CH307140A/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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH307140D 1951-02-23 1952-02-12 Telecommunications installation. CH307140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB307140X 1951-02-23

Publications (1)

Publication Number Publication Date
CH307140A true CH307140A (en) 1955-05-15

Family

ID=10311982

Family Applications (1)

Application Number Title Priority Date Filing Date
CH307140D CH307140A (en) 1951-02-23 1952-02-12 Telecommunications installation.

Country Status (6)

Country Link
BE (1) BE509052A (en)
CH (1) CH307140A (en)
DE (1) DE968686C (en)
FR (1) FR1054372A (en)
GB (1) GB728382A (en)
NL (1) NL90098C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531570A (en) * 1952-04-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE610358C (en) * 1931-09-27 1935-03-08 Siemens & Halske Akt Ges Circuit arrangement for telephone systems with two-wire dialers and two-wire connecting lines
DE715550C (en) * 1936-11-14

Also Published As

Publication number Publication date
DE968686C (en) 1958-03-20
BE509052A (en)
NL90098C (en)
FR1054372A (en) 1954-02-10
GB728382A (en) 1955-04-20

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