BE465487A - - Google Patents

Info

Publication number
BE465487A
BE465487A BE465487DA BE465487A BE 465487 A BE465487 A BE 465487A BE 465487D A BE465487D A BE 465487DA BE 465487 A BE465487 A BE 465487A
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 BE465487A publication Critical patent/BE465487A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
BE465487D 1943-07-16 BE465487A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907506T 1943-07-16

Publications (1)

Publication Number Publication Date
BE465487A true BE465487A (enrdf_load_stackoverflow)

Family

ID=9406337

Family Applications (1)

Application Number Title Priority Date Filing Date
BE465487D BE465487A (enrdf_load_stackoverflow) 1943-07-16

Country Status (3)

Country Link
BE (1) BE465487A (enrdf_load_stackoverflow)
CH (1) CH257587A (enrdf_load_stackoverflow)
FR (1) FR907506A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR907506A (fr) 1946-03-14
CH257587A (fr) 1948-10-15

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