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 (enrdf_load_html_response)

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 (enrdf_load_html_response)

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 (enrdf_load_html_response) 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 (enrdf_load_html_response)
GB (2) GB709399A (enrdf_load_html_response)
NL (2) NL83809C (enrdf_load_html_response)

Also Published As

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

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