[go: up one dir, main page]

NL81976C - - Google Patents

Info

Publication number
NL81976C
NL81976C NL81976DA NL81976C NL 81976 C NL81976 C NL 81976C NL 81976D A NL81976D A NL 81976DA NL 81976 C NL81976 C NL 81976C
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 NL81976C publication Critical patent/NL81976C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • 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
    • H04M15/08Metering calls to called party, i.e. B-party charged for the communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Electrotherapy Devices (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
NL81976D 1949-06-02 NL81976C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1012090T 1949-06-02

Publications (1)

Publication Number Publication Date
NL81976C true NL81976C (xx)

Family

ID=9570524

Family Applications (1)

Application Number Title Priority Date Filing Date
NL81976D NL81976C (xx) 1949-06-02

Country Status (6)

Country Link
US (1) US2561051A (xx)
BE (1) BE496069A (xx)
CH (1) CH298346A (xx)
FR (1) FR1012090A (xx)
GB (3) GB737877A (xx)
NL (1) NL81976C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL154348B (nl) * 1949-06-21 Minnesota Mining & Mfg Magnetisch registratiemedium.
GB744291A (en) * 1950-01-16 1956-02-01 Standard Telephones Cables Ltd Improvements in or relating to electrical communication systems
US2732493A (en) * 1950-11-04 1956-01-24 baker
US2611025A (en) * 1951-08-01 1952-09-16 Gen Electric Selective signal transmission system
BE521785A (xx) * 1953-07-30

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL57905C (nl) * 1941-05-20 1946-07-15 Bell Telephone Manufacturing Co Sa Telefoonstelsel of soortgelijk stelsel
FR882420A (xx) * 1941-06-10 1943-06-18
BE477655A (xx) * 1941-08-15
BE473095A (xx) * 1946-05-17

Also Published As

Publication number Publication date
GB737870A (en) 1955-10-05
GB737877A (en) 1955-10-05
BE496069A (xx)
FR1012090A (fr) 1952-07-03
GB737876A (en) 1955-10-05
CH298346A (de) 1954-04-30
US2561051A (en) 1951-07-17

Similar Documents

Publication Publication Date Title
NL77927C (xx)
NL81976C (xx)
BE155588A (xx)
BE437616A (xx)
BE449134A (xx)
BE457200A (xx)
BE476015A (xx)
BE476643A (xx)
BE476829A (xx)
BE479156A (xx)
BE480597A (xx)
BE480618A (xx)
BE482756A (xx)
BE483443A (xx)
BE483689A (xx)
BE485768A (xx)
BE485770A (xx)
BE486689A (xx)
BE486819A (xx)
BE487077A (xx)
BE487289A (xx)
BE487335A (xx)
BE487425A (xx)
BE487428A (xx)
BE487564A (xx)