CH201775A - Circuit to compensate for the frequency-dependent attenuation of telephone lines. - Google Patents

Circuit to compensate for the frequency-dependent attenuation of telephone lines.

Info

Publication number
CH201775A
CH201775A CH201775DA CH201775A CH 201775 A CH201775 A CH 201775A CH 201775D A CH201775D A CH 201775DA CH 201775 A CH201775 A CH 201775A
Authority
CH
Switzerland
Prior art keywords
compensate
frequency
circuit
telephone lines
dependent attenuation
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of CH201775A publication Critical patent/CH201775A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/144—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers fixed equalizers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CH201775D 1937-03-08 1938-03-05 Circuit to compensate for the frequency-dependent attenuation of telephone lines. CH201775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201775X 1937-03-08

Publications (1)

Publication Number Publication Date
CH201775A true CH201775A (en) 1938-12-15

Family

ID=5768019

Family Applications (1)

Application Number Title Priority Date Filing Date
CH201775D CH201775A (en) 1937-03-08 1938-03-05 Circuit to compensate for the frequency-dependent attenuation of telephone lines.

Country Status (2)

Country Link
CH (1) CH201775A (en)
FR (1) FR834878A (en)

Also Published As

Publication number Publication date
FR834878A (en) 1938-12-05

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