NL116168B - - Google Patents

Info

Publication number
NL116168B
NL116168B NL116168DB NL116168B NL 116168 B NL116168 B NL 116168B NL 116168D B NL116168D B NL 116168DB NL 116168 B NL116168 B NL 116168B
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 NL116168B publication Critical patent/NL116168B/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
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/42—Circuits for by-passing of ringing signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
NL116168D 1943-12-22 NL116168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986988T 1943-12-22

Publications (1)

Publication Number Publication Date
NL116168B true NL116168B (en)

Family

ID=9538574

Family Applications (2)

Application Number Title Priority Date Filing Date
NL116168D NL116168B (en) 1943-12-22
NL60456D NL60456C (en) 1943-12-22

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL60456D NL60456C (en) 1943-12-22

Country Status (3)

Country Link
CH (1) CH270404A (en)
FR (1) FR986988A (en)
NL (2) NL60456C (en)

Also Published As

Publication number Publication date
FR986988A (en) 1951-08-07
CH270404A (en) 1950-08-31
NL60456C (en)

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