BE438747A - - Google Patents

Info

Publication number
BE438747A
BE438747A BE438747DA BE438747A BE 438747 A BE438747 A BE 438747A BE 438747D A BE438747D A BE 438747DA BE 438747 A BE438747 A BE 438747A
Authority
BE
Belgium
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 BE438747A publication Critical patent/BE438747A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
BE438747D 1939-05-13 BE438747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL97952D DE757151C (en) 1939-05-13 1939-05-13 Exchange point for telephone lines that are used at the same time as low-frequency and carrier-frequency

Publications (1)

Publication Number Publication Date
BE438747A true BE438747A (en)

Family

ID=7288719

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438747D BE438747A (en) 1939-05-13

Country Status (2)

Country Link
BE (1) BE438747A (en)
DE (1) DE757151C (en)

Also Published As

Publication number Publication date
DE757151C (en) 1954-02-15

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