NL83809C - - Google Patents

Info

Publication number
NL83809C
NL83809C NL83809DA NL83809C NL 83809 C NL83809 C NL 83809C NL 83809D A NL83809D A NL 83809DA NL 83809 C NL83809 C NL 83809C
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 NL83809C publication Critical patent/NL83809C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • 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
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
NL83809D 1951-07-06 NL83809C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1605051A GB709399A (en) 1951-07-06 1951-07-06 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
NL83809C true NL83809C (xx)

Family

ID=10070232

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7304757,B NL170585B (nl) 1951-07-06 Kleurentelevisieontvanger met een kleurverzadigingsdetektieketen en een daardoor bestuurde kleurverschilsignaalbewerkingsketen.
NL83809D NL83809C (xx) 1951-07-06

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7304757,B NL170585B (nl) 1951-07-06 Kleurentelevisieontvanger met een kleurverzadigingsdetektieketen en een daardoor bestuurde kleurverschilsignaalbewerkingsketen.

Country Status (3)

Country Link
BE (1) BE512649A (xx)
GB (2) GB709406A (xx)
NL (2) NL83809C (xx)

Also Published As

Publication number Publication date
NL170585B (nl)
GB709399A (en) 1954-05-26
GB709406A (en) 1954-05-26
BE512649A (xx)

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