CH267005A - Circuit arrangement for receiving AC signals located within the voice frequency band. - Google Patents

Circuit arrangement for receiving AC signals located within the voice frequency band.

Info

Publication number
CH267005A
CH267005A CH267005DA CH267005A CH 267005 A CH267005 A CH 267005A CH 267005D A CH267005D A CH 267005DA CH 267005 A CH267005 A CH 267005A
Authority
CH
Switzerland
Prior art keywords
receiving
frequency band
circuit arrangement
voice frequency
signals located
Prior art date
Application number
Other languages
German (de)
Inventor
Hasler Ag Praezisionsmechanik
Original Assignee
Hasler 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 Hasler Ag filed Critical Hasler Ag
Publication of CH267005A publication Critical patent/CH267005A/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)
CH267005D 1948-05-20 1948-05-20 Circuit arrangement for receiving AC signals located within the voice frequency band. CH267005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH267005T 1948-05-20

Publications (1)

Publication Number Publication Date
CH267005A true CH267005A (en) 1950-02-28

Family

ID=4476327

Family Applications (1)

Application Number Title Priority Date Filing Date
CH267005D CH267005A (en) 1948-05-20 1948-05-20 Circuit arrangement for receiving AC signals located within the voice frequency band.

Country Status (1)

Country Link
CH (1) CH267005A (en)

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