CH302752A - Circuit arrangement for telephone systems with main and sub-offices. - Google Patents

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

Info

Publication number
CH302752A
CH302752A CH302752DA CH302752A CH 302752 A CH302752 A CH 302752A CH 302752D A CH302752D A CH 302752DA CH 302752 A CH302752 A CH 302752A
Authority
CH
Switzerland
Prior art keywords
offices
sub
main
circuit arrangement
telephone systems
Prior art date
Application number
Other languages
German (de)
Inventor
Patent-Verwaltungs-Gm Licentia
Original Assignee
Licentia 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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH302752A publication Critical patent/CH302752A/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)
  • Radio Relay Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH302752D 1951-04-24 1952-04-19 Circuit arrangement for telephone systems with main and sub-offices. CH302752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL8846A DE886765C (en) 1951-04-24 1951-04-24 Circuit arrangement for telephone systems with main and sub-offices

Publications (1)

Publication Number Publication Date
CH302752A true CH302752A (en) 1954-10-31

Family

ID=25786750

Family Applications (1)

Application Number Title Priority Date Filing Date
CH302752D CH302752A (en) 1951-04-24 1952-04-19 Circuit arrangement for telephone systems with main and sub-offices.

Country Status (6)

Country Link
BE (1) BE510920A (en)
CH (1) CH302752A (en)
DE (1) DE886765C (en)
FR (1) FR1055084A (en)
GB (1) GB727586A (en)
NL (1) NL83257C (en)

Also Published As

Publication number Publication date
BE510920A (en) 1952-05-15
FR1055084A (en) 1954-02-16
DE886765C (en) 1953-08-17
GB727586A (en) 1951-04-06
NL83257C (en) 1956-06-15

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