BE439749A - - Google Patents

Info

Publication number
BE439749A
BE439749A BE439749DA BE439749A BE 439749 A BE439749 A BE 439749A BE 439749D A BE439749D A BE 439749DA BE 439749 A BE439749 A BE 439749A
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 BE439749A publication Critical patent/BE439749A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE439749D 1939-12-08 BE439749A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE216069X 1939-12-08

Publications (1)

Publication Number Publication Date
BE439749A true BE439749A (enrdf_load_html_response)

Family

ID=5827284

Family Applications (1)

Application Number Title Priority Date Filing Date
BE439749D BE439749A (enrdf_load_html_response) 1939-12-08

Country Status (2)

Country Link
BE (1) BE439749A (enrdf_load_html_response)
CH (1) CH216069A (enrdf_load_html_response)

Also Published As

Publication number Publication date
CH216069A (de) 1941-07-31

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