NL105987C - - Google Patents

Info

Publication number
NL105987C
NL105987C NL105987DA NL105987C NL 105987 C NL105987 C NL 105987C NL 105987D A NL105987D A NL 105987DA NL 105987 C NL105987 C NL 105987C
Authority
NL
Netherlands
Application number
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.)
Publication of NL105987C publication Critical patent/NL105987C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04Recording calls, or communications in printed, perforated or other permanent form
    • H04M15/06Recording class or number of calling, i.e. A-party or called party, i.e. B-party
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
NL105987D 1957-08-28 NL105987C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1093424X 1957-08-28

Publications (1)

Publication Number Publication Date
NL105987C true NL105987C (fr)

Family

ID=9616441

Family Applications (2)

Application Number Title Priority Date Filing Date
NL230902D NL230902A (fr) 1957-08-28
NL105987D NL105987C (fr) 1957-08-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL230902D NL230902A (fr) 1957-08-28

Country Status (6)

Country Link
US (1) US2967212A (fr)
CH (1) CH354810A (fr)
DE (1) DE1093424B (fr)
FR (2) FR1181748A (fr)
GB (1) GB889620A (fr)
NL (2) NL105987C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE623647A (fr) * 1960-03-23 1900-01-01
US3154642A (en) * 1961-09-29 1964-10-27 Bell Telephone Labor Inc Highway party line system
BE625909A (fr) * 1961-12-12
DE1221308B (de) * 1964-06-30 1966-07-21 Standard Elektrik Lorenz Ag Verfahren und Schaltungsanordnung zur Abfrage codierter Gleichstromzeichen an Fernmeldeleitungen
NL6712959A (fr) * 1967-09-22 1969-03-25

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1088171A (fr) * 1953-04-16 1955-03-03 Labo Cent Telecommunicat Procédés et arrangements pour l'identification d'un circuit appelant dans un système de commutation
NL95809C (fr) * 1955-03-28
US2854519A (en) * 1956-04-18 1958-09-30 Gen Dynamics Corp Telephone system including line identifying means
US2857470A (en) * 1956-05-02 1958-10-21 Gen Telephone Lab Inc Transistor line identifier

Also Published As

Publication number Publication date
FR1183408A (fr) 1959-07-07
DE1093424B (de) 1960-11-24
FR1181748A (fr) 1959-06-18
NL230902A (fr)
GB889620A (en) 1962-02-21
CH354810A (fr) 1961-06-15
US2967212A (en) 1961-01-03

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