CH237889A - Circuit arrangement in telephone systems with main and sub-offices. - Google Patents

Circuit arrangement in telephone systems with main and sub-offices.

Info

Publication number
CH237889A
CH237889A CH237889DA CH237889A CH 237889 A CH237889 A CH 237889A CH 237889D A CH237889D A CH 237889DA CH 237889 A CH237889 A CH 237889A
Authority
CH
Switzerland
Prior art keywords
offices
sub
main
circuit arrangement
telephone systems
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH237889A publication Critical patent/CH237889A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
CH237889D 1942-08-24 1943-08-18 Circuit arrangement in telephone systems with main and sub-offices. CH237889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE237889X 1942-08-24

Publications (1)

Publication Number Publication Date
CH237889A true CH237889A (en) 1945-05-31

Family

ID=5903335

Family Applications (1)

Application Number Title Priority Date Filing Date
CH237889D CH237889A (en) 1942-08-24 1943-08-18 Circuit arrangement in telephone systems with main and sub-offices.

Country Status (1)

Country Link
CH (1) CH237889A (en)

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