BE441289A - - Google Patents

Info

Publication number
BE441289A
BE441289A BE441289DA BE441289A BE 441289 A BE441289 A BE 441289A BE 441289D A BE441289D A BE 441289DA BE 441289 A BE441289 A BE 441289A
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 BE441289A publication Critical patent/BE441289A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Amplifiers (AREA)
BE441289D 1939-07-21 BE441289A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2125039A GB532523A (en) 1939-07-21 1939-07-21 Improvements in systems for the electric transmission of signals over wires

Publications (1)

Publication Number Publication Date
BE441289A true BE441289A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=10159740

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441289D BE441289A (enrdf_load_stackoverflow) 1939-07-21

Country Status (3)

Country Link
BE (1) BE441289A (enrdf_load_stackoverflow)
FR (1) FR957159A (enrdf_load_stackoverflow)
GB (3) GB532584A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1185393A (fr) * 1957-02-07 1959-07-31 Cie Ind Des Telephones Perfectionnement aux répéteurs de câbles sous-marins

Also Published As

Publication number Publication date
FR957159A (enrdf_load_stackoverflow) 1950-02-16
GB532523A (en) 1941-01-27
GB532584A (en) 1941-01-27
GB532582A (en) 1941-01-27

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