CH308154A - Telephonanlage mit Einrichtung zum Übertragen von Signalisierungsimpulsen. - Google Patents

Telephonanlage mit Einrichtung zum Übertragen von Signalisierungsimpulsen.

Info

Publication number
CH308154A
CH308154A CH308154DA CH308154A CH 308154 A CH308154 A CH 308154A CH 308154D A CH308154D A CH 308154DA CH 308154 A CH308154 A CH 308154A
Authority
CH
Switzerland
Prior art keywords
telephone system
transmitting signaling
signaling pulses
pulses
transmitting
Prior art date
Application number
Other languages
English (en)
Inventor
Podnik Tesla Narodni
Original Assignee
Tesla Np
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 Tesla Np filed Critical Tesla Np
Publication of CH308154A publication Critical patent/CH308154A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
CH308154D 1952-12-24 1952-11-29 Telephonanlage mit Einrichtung zum Übertragen von Signalisierungsimpulsen. CH308154A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1068582T 1952-12-24

Publications (1)

Publication Number Publication Date
CH308154A true CH308154A (de) 1955-06-30

Family

ID=9603826

Family Applications (1)

Application Number Title Priority Date Filing Date
CH308154D CH308154A (de) 1952-12-24 1952-11-29 Telephonanlage mit Einrichtung zum Übertragen von Signalisierungsimpulsen.

Country Status (2)

Country Link
CH (1) CH308154A (de)
FR (1) FR1068582A (de)

Also Published As

Publication number Publication date
FR1068582A (fr) 1954-06-28

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