NL50600C - - Google Patents

Info

Publication number
NL50600C
NL50600C NL82857A NL82857A NL50600C NL 50600 C NL50600 C NL 50600C NL 82857 A NL82857 A NL 82857A NL 82857 A NL82857 A NL 82857A NL 50600 C NL50600 C NL 50600C
Authority
NL
Netherlands
Application number
NL82857A
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
Priority to DEL85522D priority Critical patent/DE708943C/de
Priority to DEL90245D priority patent/DE726511C/de
Priority to DEL90279D priority patent/DE726045C/de
Application filed filed Critical
Priority to NL82857A priority patent/NL50600C/xx
Priority to FR823122D priority patent/FR823122A/fr
Priority to GB18436/37A priority patent/GB501915A/en
Priority to US153074A priority patent/US2184835A/en
Priority to DEL99627D priority patent/DE730055C/de
Application granted granted Critical
Publication of NL50600C publication Critical patent/NL50600C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/78—Circuit arrangements in which low-frequency speech signals proceed in one direction on the line, while speech signals proceeding in the other direction on the line are modulated on a high-frequency carrier signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Prepayment Telephone Systems (AREA)
NL82857A 1934-03-14 1937-06-10 NL50600C (enrdf_load_stackoverflow)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DEL85522D DE708943C (de) 1934-03-14 1934-03-14 Verfahren zur UEbertragung von Nachrichten mit Verlagerung der Sprechstroeme auf Teilstrecken der UEbertragungsleitung in verschiedene Frequenzbereiche
DEL90245D DE726511C (de) 1934-03-14 1936-04-28 Teilnehmerstation
DEL90279D DE726045C (de) 1934-03-14 1936-05-01 Anordnung zur UEbertragung von Nachrichten
NL82857A NL50600C (enrdf_load_stackoverflow) 1934-03-14 1937-06-10
FR823122D FR823122A (fr) 1934-03-14 1937-06-15 Dispositif pour la transmission de messages
GB18436/37A GB501915A (en) 1934-03-14 1937-07-02 Telephone exchange systems
US153074A US2184835A (en) 1934-03-14 1937-07-10 System for transmitting communications
DEL99627D DE730055C (de) 1934-03-14 1939-12-09 Fernplatzschaltung zur wahlweisen niederfrequenten oder hochfrequenten Abfrage

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEL85522D DE708943C (de) 1934-03-14 1934-03-14 Verfahren zur UEbertragung von Nachrichten mit Verlagerung der Sprechstroeme auf Teilstrecken der UEbertragungsleitung in verschiedene Frequenzbereiche
DEL90279D DE726045C (de) 1934-03-14 1936-05-01 Anordnung zur UEbertragung von Nachrichten
NL82857A NL50600C (enrdf_load_stackoverflow) 1934-03-14 1937-06-10
FR823122T 1937-06-15
GB18436/37A GB501915A (en) 1934-03-14 1937-07-02 Telephone exchange systems

Publications (1)

Publication Number Publication Date
NL50600C true NL50600C (enrdf_load_stackoverflow) 1941-06-17

Family

ID=7285923

Family Applications (1)

Application Number Title Priority Date Filing Date
NL82857A NL50600C (enrdf_load_stackoverflow) 1934-03-14 1937-06-10

Country Status (5)

Country Link
US (1) US2184835A (enrdf_load_stackoverflow)
DE (4) DE708943C (enrdf_load_stackoverflow)
FR (1) FR823122A (enrdf_load_stackoverflow)
GB (1) GB501915A (enrdf_load_stackoverflow)
NL (1) NL50600C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932694A (en) * 1954-09-10 1960-04-12 Bell Telephone Labor Inc Rural carrier telephone transmission system
DE1112549B (de) * 1955-12-30 1961-08-10 Gen Electric Co Ltd Fernsprechteilnehmerschaltung fuer den Parallelanschluss zweier Teilnehmer an eine Zweidrahtleitung
DE1028625B (de) * 1957-03-14 1958-04-24 Telefonbau Schaltungsanordnung zum Einsatz von Traegerfrequenz auf Teilnehmeranschlussleitungen in Fernsprechanlagen mit Waehlerbetrieb
NL133409C (enrdf_load_stackoverflow) * 1960-07-21
DE3802088C2 (de) * 1987-01-26 1996-12-12 Dirr Josef Verfahren für die Codierung und Decodierung von Information in Endstellen von Vermittlungseinrichtungen und Übertragung über Anschlusswege/Leitungen zu und von den Vermittlungseinrichtungen

Also Published As

Publication number Publication date
DE708943C (de) 1941-08-01
FR823122A (fr) 1938-01-14
DE726511C (de) 1942-10-15
GB501915A (en) 1939-03-02
DE726045C (de) 1942-10-05
US2184835A (en) 1939-12-26
DE730055C (de) 1943-01-12

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