BE447990A - - Google Patents

Info

Publication number
BE447990A
BE447990A BE447990DA BE447990A BE 447990 A BE447990 A BE 447990A BE 447990D A BE447990D A BE 447990DA BE 447990 A BE447990 A BE 447990A
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 BE447990A publication Critical patent/BE447990A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
BE447990D 1941-12-12 BE447990A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE888964X 1941-12-12

Publications (1)

Publication Number Publication Date
BE447990A true BE447990A (xx)

Family

ID=6834333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447990D BE447990A (xx) 1941-12-12

Country Status (3)

Country Link
BE (1) BE447990A (xx)
FR (1) FR888964A (xx)
NL (1) NL108119B (xx)

Also Published As

Publication number Publication date
NL108119B (xx)
FR888964A (fr) 1943-12-28

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