CH327601A - Circuit arrangement for signaling by means of alternating current of any frequency - Google Patents

Circuit arrangement for signaling by means of alternating current of any frequency

Info

Publication number
CH327601A
CH327601A CH327601DA CH327601A CH 327601 A CH327601 A CH 327601A CH 327601D A CH327601D A CH 327601DA CH 327601 A CH327601 A CH 327601A
Authority
CH
Switzerland
Prior art keywords
signaling
frequency
alternating current
circuit arrangement
arrangement
Prior art date
Application number
Other languages
German (de)
Inventor
Mehlis Arthur
Bergholtz Willy
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
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH327601A publication Critical patent/CH327601A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH327601D 1953-01-17 1954-01-15 Circuit arrangement for signaling by means of alternating current of any frequency CH327601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM17021A DE967980C (en) 1953-01-17 1953-01-17 Circuit arrangement for signaling by means of alternating current of any frequency

Publications (1)

Publication Number Publication Date
CH327601A true CH327601A (en) 1958-01-31

Family

ID=27770764

Family Applications (1)

Application Number Title Priority Date Filing Date
CH327601D CH327601A (en) 1953-01-17 1954-01-15 Circuit arrangement for signaling by means of alternating current of any frequency

Country Status (3)

Country Link
BE (1) BE525745A (en)
CH (1) CH327601A (en)
DE (1) DE967980C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1165095B (en) * 1961-04-26 1964-03-12 Siemens Ag Circuit arrangement for receiving reverse identification in telecommunication systems, in particular telephone systems

Also Published As

Publication number Publication date
BE525745A (en)
DE967980C (en) 1958-01-02

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