CH405436A - Ring core evaluation field for identification devices in telecommunication systems, in particular telephone systems - Google Patents

Ring core evaluation field for identification devices in telecommunication systems, in particular telephone systems

Info

Publication number
CH405436A
CH405436A CH1227761A CH1227761A CH405436A CH 405436 A CH405436 A CH 405436A CH 1227761 A CH1227761 A CH 1227761A CH 1227761 A CH1227761 A CH 1227761A CH 405436 A CH405436 A CH 405436A
Authority
CH
Switzerland
Prior art keywords
systems
identification devices
ring core
particular telephone
evaluation field
Prior art date
Application number
CH1227761A
Other languages
German (de)
Inventor
Franz Dipl Ing Fahrenschon
Peters Guenther
Wolfgang Dipl Ing Mueller
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH405436A publication Critical patent/CH405436A/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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH1227761A 1960-11-22 1961-10-24 Ring core evaluation field for identification devices in telecommunication systems, in particular telephone systems CH405436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES71357A DE1127963B (en) 1960-11-22 1960-11-22 Toroidal evaluation field for identification devices in telecommunications, especially telephone systems

Publications (1)

Publication Number Publication Date
CH405436A true CH405436A (en) 1966-01-15

Family

ID=7502404

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1227761A CH405436A (en) 1960-11-22 1961-10-24 Ring core evaluation field for identification devices in telecommunication systems, in particular telephone systems

Country Status (6)

Country Link
BE (1) BE610503A (en)
CH (1) CH405436A (en)
DE (1) DE1127963B (en)
GB (1) GB1005244A (en)
NL (2) NL271058A (en)
SE (1) SE310378B (en)

Also Published As

Publication number Publication date
NL271058A (en)
SE310378B (en) 1969-04-28
GB1005244A (en) 1965-09-22
BE610503A (en) 1962-03-16
DE1127963B (en) 1962-04-19
NL134604C (en)

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