CH205686A - Device for the automatic control of the transmission characteristics in a signal transmission system. - Google Patents

Device for the automatic control of the transmission characteristics in a signal transmission system.

Info

Publication number
CH205686A
CH205686A CH205686DA CH205686A CH 205686 A CH205686 A CH 205686A CH 205686D A CH205686D A CH 205686DA CH 205686 A CH205686 A CH 205686A
Authority
CH
Switzerland
Prior art keywords
automatic control
signal transmission
transmission system
transmission characteristics
signal
Prior art date
Application number
Other languages
German (de)
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 CH205686A publication Critical patent/CH205686A/en

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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H04B3/12—Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Coils Or Transformers For Communication (AREA)
CH205686D 1937-05-07 1938-05-03 Device for the automatic control of the transmission characteristics in a signal transmission system. CH205686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB205686X 1937-05-07

Publications (1)

Publication Number Publication Date
CH205686A true CH205686A (en) 1939-06-30

Family

ID=10148066

Family Applications (1)

Application Number Title Priority Date Filing Date
CH205686D CH205686A (en) 1937-05-07 1938-05-03 Device for the automatic control of the transmission characteristics in a signal transmission system.

Country Status (4)

Country Link
CH (1) CH205686A (en)
FR (1) FR837622A (en)
GB (1) GB495058A (en)
NL (1) NL50007C (en)

Also Published As

Publication number Publication date
GB495058A (en) 1938-11-07
NL50007C (en)
FR837622A (en) 1939-02-15

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