BE439378A - - Google Patents

Info

Publication number
BE439378A
BE439378A BE439378DA BE439378A BE 439378 A BE439378 A BE 439378A BE 439378D A BE439378D A BE 439378DA BE 439378 A BE439378 A BE 439378A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE439378A publication Critical patent/BE439378A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE439378D 1941-07-26 1940-09-26 BE439378A (US08197722-20120612-C00042.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB952041A GB548473A (en) 1941-07-26 1941-07-26 Improvements in 4-wire terminating arrangements in electrical communication systems

Publications (1)

Publication Number Publication Date
BE439378A true BE439378A (US08197722-20120612-C00042.png) 1940-10-31

Family

ID=9873551

Family Applications (1)

Application Number Title Priority Date Filing Date
BE439378D BE439378A (US08197722-20120612-C00042.png) 1941-07-26 1940-09-26

Country Status (3)

Country Link
BE (1) BE439378A (US08197722-20120612-C00042.png)
FR (1) FR887180A (US08197722-20120612-C00042.png)
GB (1) GB548473A (US08197722-20120612-C00042.png)

Also Published As

Publication number Publication date
GB548473A (en) 1942-10-12
FR887180A (fr) 1943-11-05

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