CH273558A - Circuit arrangement for the transmission of alternating current pulses. - Google Patents

Circuit arrangement for the transmission of alternating current pulses.

Info

Publication number
CH273558A
CH273558A CH273558DA CH273558A CH 273558 A CH273558 A CH 273558A CH 273558D A CH273558D A CH 273558DA CH 273558 A CH273558 A CH 273558A
Authority
CH
Switzerland
Prior art keywords
transmission
alternating current
circuit arrangement
current pulses
pulses
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Albiswerk Zuerich
Original Assignee
Siemens Ag Albis
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 Siemens Ag Albis filed Critical Siemens Ag Albis
Publication of CH273558A publication Critical patent/CH273558A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • 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
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
CH273558D 1948-05-25 1948-05-25 Circuit arrangement for the transmission of alternating current pulses. CH273558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH987159X 1948-05-25

Publications (1)

Publication Number Publication Date
CH273558A true CH273558A (en) 1951-02-15

Family

ID=4551574

Family Applications (1)

Application Number Title Priority Date Filing Date
CH273558D CH273558A (en) 1948-05-25 1948-05-25 Circuit arrangement for the transmission of alternating current pulses.

Country Status (4)

Country Link
CH (1) CH273558A (en)
DE (1) DE822113C (en)
FR (1) FR987159A (en)
NL (1) NL76061C (en)

Also Published As

Publication number Publication date
DE822113C (en) 1951-11-22
NL76061C (en)
FR987159A (en) 1951-08-09

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