NL52553C - - Google Patents

Info

Publication number
NL52553C
NL52553C NL52553DA NL52553C NL 52553 C NL52553 C NL 52553C NL 52553D A NL52553D A NL 52553DA NL 52553 C NL52553 C NL 52553C
Authority
NL
Netherlands
Application number
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.)
Publication of NL52553C publication Critical patent/NL52553C/xx

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
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
NL52553D 1936-09-28 NL52553C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE199333X 1936-09-28

Publications (1)

Publication Number Publication Date
NL52553C true NL52553C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=20304846

Family Applications (1)

Application Number Title Priority Date Filing Date
NL52553D NL52553C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1936-09-28

Country Status (5)

Country Link
US (1) US2220423A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH199333A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE684063C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR827166A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL52553C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL259386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1959-12-23
NL282491A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1961-09-05
US3215784A (en) * 1961-12-22 1965-11-02 Bell Telephone Labor Inc Multicustomer private branch exchange
GB1084099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-12-20

Also Published As

Publication number Publication date
CH199333A (de) 1938-08-15
FR827166A (fr) 1938-04-20
DE684063C (de) 1939-11-22
US2220423A (en) 1940-11-05

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