CH385929A - Signalempfänger für Tonfrequenz-Signalübertragungsanlagen - Google Patents

Signalempfänger für Tonfrequenz-Signalübertragungsanlagen

Info

Publication number
CH385929A
CH385929A CH415861A CH415861A CH385929A CH 385929 A CH385929 A CH 385929A CH 415861 A CH415861 A CH 415861A CH 415861 A CH415861 A CH 415861A CH 385929 A CH385929 A CH 385929A
Authority
CH
Switzerland
Prior art keywords
audio frequency
transmission systems
signal transmission
frequency signal
signal receiver
Prior art date
Application number
CH415861A
Other languages
English (en)
Inventor
Sidney Chittleburgh Wi Francis
Sidney Simmonds Ernest
Original Assignee
Standard Telephon & Radio Ag
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
Priority claimed from GB1312860A external-priority patent/GB874380A/en
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH385929A publication Critical patent/CH385929A/de

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)
CH415861A 1960-04-13 1961-04-10 Signalempfänger für Tonfrequenz-Signalübertragungsanlagen CH385929A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1128895X 1960-04-13
GB1312860A GB874380A (en) 1960-04-13 1960-04-13 Improvements in or relating to multi-frequency signalling receivers
GB3131264X 1960-04-13

Publications (1)

Publication Number Publication Date
CH385929A true CH385929A (de) 1964-12-31

Family

ID=27256957

Family Applications (1)

Application Number Title Priority Date Filing Date
CH415861A CH385929A (de) 1960-04-13 1961-04-10 Signalempfänger für Tonfrequenz-Signalübertragungsanlagen

Country Status (1)

Country Link
CH (1) CH385929A (de)

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