NL133409C - - Google Patents

Info

Publication number
NL133409C
NL133409C NL133409DA NL133409C NL 133409 C NL133409 C NL 133409C NL 133409D A NL133409D A NL 133409DA NL 133409 C NL133409 C NL 133409C
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 NL133409C publication Critical patent/NL133409C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
NL133409D 1960-07-21 NL133409C (US08066781-20111129-C00013.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44303A US3023278A (en) 1960-07-21 1960-07-21 Four wire line concentrator circuit

Publications (1)

Publication Number Publication Date
NL133409C true NL133409C (US08066781-20111129-C00013.png)

Family

ID=21931618

Family Applications (2)

Application Number Title Priority Date Filing Date
NL133409D NL133409C (US08066781-20111129-C00013.png) 1960-07-21
NL266047D NL266047A (US08066781-20111129-C00013.png) 1960-07-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL266047D NL266047A (US08066781-20111129-C00013.png) 1960-07-21

Country Status (7)

Country Link
US (1) US3023278A (US08066781-20111129-C00013.png)
BE (1) BE600136A (US08066781-20111129-C00013.png)
CH (1) CH394309A (US08066781-20111129-C00013.png)
DE (1) DE1200377B (US08066781-20111129-C00013.png)
ES (1) ES268976A1 (US08066781-20111129-C00013.png)
GB (1) GB968107A (US08066781-20111129-C00013.png)
NL (2) NL266047A (US08066781-20111129-C00013.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1049359A (en) * 1965-07-26 1966-11-23 Standard Telephones Cables Ltd Improvements in or relating to electrical telecommunication circuits
NL136061C (US08066781-20111129-C00013.png) * 1965-08-07

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE708943C (de) * 1934-03-14 1941-08-01 Lorenz Akt Ges C Verfahren zur UEbertragung von Nachrichten mit Verlagerung der Sprechstroeme auf Teilstrecken der UEbertragungsleitung in verschiedene Frequenzbereiche
DE738028C (de) * 1939-06-08 1943-07-31 Lorenz C Ag AEquivalente Teilnehmervierdrahtschaltung
DE754971C (de) * 1939-09-30 1953-05-18 Wilhelm Dr-Ing Ohnesorge Nachrichtenuebertragungssystem
GB841555A (en) * 1955-04-14 1960-07-20 Post Office Improvements in or relating to transmission systems
NL243662A (US08066781-20111129-C00013.png) * 1955-08-23
BE570722A (US08066781-20111129-C00013.png) * 1959-03-13
DE1113009B (de) * 1960-02-12 1961-08-24 Phil Habil Oskar Vierling Dr Einrichtung zum Mitsprechen und Mithoeren an Vierdraht- und Zweidrahtstromkreisen

Also Published As

Publication number Publication date
CH394309A (de) 1965-06-30
NL266047A (US08066781-20111129-C00013.png)
US3023278A (en) 1962-02-27
BE600136A (fr) 1961-05-29
ES268976A1 (es) 1961-12-16
DE1200377B (de) 1965-09-09
GB968107A (en) 1964-08-26

Similar Documents

Publication Publication Date Title
FR104F (US08066781-20111129-C00013.png)
FR1310030A (US08066781-20111129-C00013.png)
IT644594A (US08066781-20111129-C00013.png)
DE1234212C2 (US08066781-20111129-C00013.png)
IT649881A (US08066781-20111129-C00013.png)
DK114190C (US08066781-20111129-C00013.png)
FI42953B (US08066781-20111129-C00013.png)
DE1160947C2 (US08066781-20111129-C00013.png)
DE1251779B (US08066781-20111129-C00013.png)
DE1412370B2 (US08066781-20111129-C00013.png)
FR1232197A (US08066781-20111129-C00013.png)
FI46226B (US08066781-20111129-C00013.png)
FI45818B (US08066781-20111129-C00013.png)
IT649700A (US08066781-20111129-C00013.png)
BE599944A (US08066781-20111129-C00013.png)
CH1572263A4 (US08066781-20111129-C00013.png)
CH1034461A4 (US08066781-20111129-C00013.png)
CH982460A4 (US08066781-20111129-C00013.png)
DD36091A1 (US08066781-20111129-C00013.png)
BE599075A (US08066781-20111129-C00013.png)
BE592247A (US08066781-20111129-C00013.png)
BE589663A (US08066781-20111129-C00013.png)
BE587762A (US08066781-20111129-C00013.png)
BE599599A (US08066781-20111129-C00013.png)
CH261061A4 (US08066781-20111129-C00013.png)