NL52905C - - Google Patents

Info

Publication number
NL52905C
NL52905C NL52905DA NL52905C NL 52905 C NL52905 C NL 52905C NL 52905D A NL52905D A NL 52905DA NL 52905 C NL52905 C NL 52905C
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 NL52905C publication Critical patent/NL52905C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
NL52905D 1937-08-21 NL52905C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB238063X 1937-08-21

Publications (1)

Publication Number Publication Date
NL52905C true NL52905C (ja)

Family

ID=10201612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL52905D NL52905C (ja) 1937-08-21

Country Status (5)

Country Link
US (1) US2238223A (ja)
CH (1) CH238063A (ja)
FR (1) FR840677A (ja)
GB (2) GB484647A (ja)
NL (1) NL52905C (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547043A (en) * 1942-03-13 1951-04-03 Int Standard Electric Corp Automatic control of selectors by register potential matching
US2583014A (en) * 1942-06-12 1952-01-22 Int Standard Electric Corp Automatic control of final selectors
FR933606A (fr) * 1946-08-27 1948-04-27 Constr Telephoniques Perfectionnements aux systèmes de téléphonie automatique
US2570214A (en) * 1946-09-14 1951-10-09 Int Standard Electric Corp Second test circuit for selector wipers
US2559601A (en) * 1946-11-13 1951-07-10 Int Standard Electric Corp Automatic selector control system
NL79795C (ja) * 1947-08-22
US2654000A (en) * 1948-05-20 1953-09-29 Int Standard Electric Corp Multipotential type register controller
US2647165A (en) * 1948-09-13 1953-07-28 Hartford Nat Bank & Trust Co Apparatus for breaking contact resistance in a marker-controlled selector
BE500868A (ja) * 1950-01-28
GB822410A (en) * 1956-06-14 1959-10-28 Siemens Edison Swan Ltd Improvements relating to automatic telephone and like exchange systems
DE1012334B (de) * 1956-06-15 1957-07-18 Standard Elektrik Ag Schaltungsanordnung zur Identifizierung von gruppenweise aufgeteilten Leitungen
DE2938946A1 (de) * 1979-09-26 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur verhinderung der nachteiligen auswirkung von wechselspannungsanteilen bei der registrierung des schaltzustandes in einem insbesondere durch teilnehmeranschlussleitungen in fernsprechvermittlungsanlagen gebildeten schaltkreis

Also Published As

Publication number Publication date
GB520476A (en) 1940-04-27
FR840677A (fr) 1939-05-02
GB484647A (en) 1938-05-09
US2238223A (en) 1941-04-15
CH238063A (de) 1945-06-15

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