BE475394A - - Google Patents

Info

Publication number
BE475394A
BE475394A BE475394DA BE475394A BE 475394 A BE475394 A BE 475394A BE 475394D A BE475394D A BE 475394DA BE 475394 A BE475394 A BE 475394A
Authority
BE
Belgium
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 date
Publication of BE475394A publication Critical patent/BE475394A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
BE475394D 1939-06-17 BE475394A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB219021X 1939-06-17

Publications (1)

Publication Number Publication Date
BE475394A true BE475394A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=10170719

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475394D BE475394A (enrdf_load_stackoverflow) 1939-06-17

Country Status (4)

Country Link
BE (1) BE475394A (enrdf_load_stackoverflow)
CH (1) CH219021A (enrdf_load_stackoverflow)
FR (1) FR956830A (enrdf_load_stackoverflow)
NL (1) NL70170C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932135C (de) * 1952-05-24 1955-08-25 Felten & Guilleaume Carlswerk Einrichtung zur UEberwachung, Fernsteuerung bzw. Fehlerortung von UEbertragungsanlagen
DE943476C (de) * 1952-07-15 1956-05-24 Felten & Guilleaume Carlswerk Anordnung zur Fernumschaltung von Verstaerkern in unbemannten Zwischenstationen
DE951508C (de) * 1953-01-15 1956-10-31 Felten & Guilleaume Carlswerk Einrichtung bei UEbertragungsanlagen mit mehreren unbemannten und ferngespeisten Verstaerkerstationen zur Umschaltung der Betriebsverstaerker auf Reserveverstaerker

Also Published As

Publication number Publication date
CH219021A (de) 1942-01-15
FR956830A (enrdf_load_stackoverflow) 1950-02-08
NL70170C (enrdf_load_stackoverflow) 1900-01-01

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