CH333371A - Double amplifier in a two-way signal transmission system with automatic gain control - Google Patents

Double amplifier in a two-way signal transmission system with automatic gain control

Info

Publication number
CH333371A
CH333371A CH333371DA CH333371A CH 333371 A CH333371 A CH 333371A CH 333371D A CH333371D A CH 333371DA CH 333371 A CH333371 A CH 333371A
Authority
CH
Switzerland
Prior art keywords
signal transmission
transmission system
gain control
automatic gain
way signal
Prior art date
Application number
Other languages
German (de)
Inventor
Eklov David
Original Assignee
Svenska Relafabriken Ab
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 Svenska Relafabriken Ab filed Critical Svenska Relafabriken Ab
Publication of CH333371A publication Critical patent/CH333371A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CH333371D 1954-02-24 1955-02-12 Double amplifier in a two-way signal transmission system with automatic gain control CH333371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE333371X 1954-02-24

Publications (1)

Publication Number Publication Date
CH333371A true CH333371A (en) 1958-10-15

Family

ID=20308163

Family Applications (1)

Application Number Title Priority Date Filing Date
CH333371D CH333371A (en) 1954-02-24 1955-02-12 Double amplifier in a two-way signal transmission system with automatic gain control

Country Status (6)

Country Link
BE (1) BE535941A (en)
CH (1) CH333371A (en)
DE (1) DE1049430B (en)
FR (1) FR1134321A (en)
GB (1) GB779172A (en)
NL (1) NL97209C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE565494A (en) * 1957-11-26 1900-01-01
DE1211271B (en) * 1961-06-08 1966-02-24 Ericsson Telefon Ab L M Circuit arrangement for a voice-controlled intercom or intercom system with hands-free operation
GB1011962A (en) * 1963-05-14 1965-12-01 Northern Electric Co Improvements in or relating to electrical control circuits

Also Published As

Publication number Publication date
DE1049430B (en) 1959-01-29
GB779172A (en) 1957-07-17
BE535941A (en)
NL97209C (en)
FR1134321A (en) 1957-04-10

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