BE619968A - Ontvangstinrichting voor frequentie-codesystemen - Google Patents

Ontvangstinrichting voor frequentie-codesystemen

Info

Publication number
BE619968A
BE619968A BE619968A BE619968A BE619968A BE 619968 A BE619968 A BE 619968A BE 619968 A BE619968 A BE 619968A BE 619968 A BE619968 A BE 619968A BE 619968 A BE619968 A BE 619968A
Authority
BE
Belgium
Prior art keywords
receiving device
frequency code
code systems
systems
frequency
Prior art date
Application number
BE619968A
Other languages
English (en)
Inventor
G Vogel
Original Assignee
Bell Telephone Mfg
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.)
Filing date
Publication date
Application filed by Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of BE619968A publication Critical patent/BE619968A/nl

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
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
BE619968A 1961-07-26 1962-07-10 Ontvangstinrichting voor frequentie-codesystemen BE619968A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST18123A DE1136385B (de) 1961-07-26 1961-07-26 Empfangseinrichtung fuer Frequenz-Codesignale in Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
BE619968A true BE619968A (nl) 1963-01-10

Family

ID=7457726

Family Applications (1)

Application Number Title Priority Date Filing Date
BE619968A BE619968A (nl) 1961-07-26 1962-07-10 Ontvangstinrichting voor frequentie-codesystemen

Country Status (3)

Country Link
BE (1) BE619968A (nl)
DE (1) DE1136385B (nl)
NL (1) NL281416A (nl)

Also Published As

Publication number Publication date
NL281416A (nl)
DE1136385B (de) 1962-09-13

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