CH228775A - Zweiweg-Verstärkeranlage für Fernmeldeanlagen. - Google Patents

Zweiweg-Verstärkeranlage für Fernmeldeanlagen.

Info

Publication number
CH228775A
CH228775A CH228775DA CH228775A CH 228775 A CH228775 A CH 228775A CH 228775D A CH228775D A CH 228775DA CH 228775 A CH228775 A CH 228775A
Authority
CH
Switzerland
Prior art keywords
amplifier system
telecommunication systems
way amplifier
way
telecommunication
Prior art date
Application number
Other languages
English (en)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH228775A publication Critical patent/CH228775A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CH228775D 1939-05-30 1940-06-01 Zweiweg-Verstärkeranlage für Fernmeldeanlagen. CH228775A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB228775X 1939-05-30

Publications (1)

Publication Number Publication Date
CH228775A true CH228775A (de) 1943-09-15

Family

ID=10186476

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228775D CH228775A (de) 1939-05-30 1940-06-01 Zweiweg-Verstärkeranlage für Fernmeldeanlagen.

Country Status (2)

Country Link
CH (1) CH228775A (de)
GB (1) GB529982A (de)

Also Published As

Publication number Publication date
GB529982A (en) 1940-12-03

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