CH544469A - Device for evaluating a selective call signal composed of a sequence of signals of different frequencies - Google Patents

Device for evaluating a selective call signal composed of a sequence of signals of different frequencies

Info

Publication number
CH544469A
CH544469A CH1486072A CH1486072A CH544469A CH 544469 A CH544469 A CH 544469A CH 1486072 A CH1486072 A CH 1486072A CH 1486072 A CH1486072 A CH 1486072A CH 544469 A CH544469 A CH 544469A
Authority
CH
Switzerland
Prior art keywords
evaluating
sequence
signals
different frequencies
call signal
Prior art date
Application number
CH1486072A
Other languages
German (de)
Inventor
Affolter Stephan
Stverak Vaclav
Original Assignee
Autophon 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
Application filed by Autophon Ag filed Critical Autophon Ag
Priority to CH1486072A priority Critical patent/CH544469A/en
Priority to DE19732316962 priority patent/DE2316962B2/en
Publication of CH544469A publication Critical patent/CH544469A/en

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
    • H04Q1/446—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)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
CH1486072A 1972-10-11 1972-10-11 Device for evaluating a selective call signal composed of a sequence of signals of different frequencies CH544469A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1486072A CH544469A (en) 1972-10-11 1972-10-11 Device for evaluating a selective call signal composed of a sequence of signals of different frequencies
DE19732316962 DE2316962B2 (en) 1972-10-11 1973-04-05 Device for evaluating a selective call signal composed of a sequence of signals of different frequencies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1486072A CH544469A (en) 1972-10-11 1972-10-11 Device for evaluating a selective call signal composed of a sequence of signals of different frequencies

Publications (1)

Publication Number Publication Date
CH544469A true CH544469A (en) 1973-11-15

Family

ID=4404386

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1486072A CH544469A (en) 1972-10-11 1972-10-11 Device for evaluating a selective call signal composed of a sequence of signals of different frequencies

Country Status (2)

Country Link
CH (1) CH544469A (en)
DE (1) DE2316962B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612331C2 (en) * 1976-03-23 1984-11-15 Funktechnisches Labor Ernst F. Von Sonnenburg, 8330 Eggenfelden Method and circuit arrangement for evaluating subsequent tone signals
DE2538309C3 (en) * 1975-08-28 1982-12-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method and arrangement for the mixed transmission of voice and data on one LF channel

Also Published As

Publication number Publication date
DE2316962A1 (en) 1974-04-25
DE2316962B2 (en) 1974-09-05

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Legal Events

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