GB537893A - Automatic gain control arrangements for electric wave signalling systems - Google Patents

Automatic gain control arrangements for electric wave signalling systems

Info

Publication number
GB537893A
GB537893A GB7102/40A GB710240A GB537893A GB 537893 A GB537893 A GB 537893A GB 7102/40 A GB7102/40 A GB 7102/40A GB 710240 A GB710240 A GB 710240A GB 537893 A GB537893 A GB 537893A
Authority
GB
United Kingdom
Prior art keywords
auxiliary
amplifier
feed
frequency
intensity
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7102/40A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB537893A publication Critical patent/GB537893A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)
GB7102/40A 1939-06-21 1940-04-19 Automatic gain control arrangements for electric wave signalling systems Expired GB537893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US280291A US2231527A (en) 1939-06-21 1939-06-21 Transmission regulation

Publications (1)

Publication Number Publication Date
GB537893A true GB537893A (en) 1941-07-10

Family

ID=23072454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7102/40A Expired GB537893A (en) 1939-06-21 1940-04-19 Automatic gain control arrangements for electric wave signalling systems

Country Status (4)

Country Link
US (1) US2231527A (enrdf_load_stackoverflow)
BE (1) BE440390A (enrdf_load_stackoverflow)
FR (1) FR867449A (enrdf_load_stackoverflow)
GB (1) GB537893A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034041A (en) * 1955-08-17 1962-05-08 Schlumberger Well Surv Corp Feedback amplifying systems
US3082381A (en) * 1959-05-27 1963-03-19 Goodyear Aircraft Corp Automatic gain control circuit
CN106190824A (zh) * 2016-08-11 2016-12-07 四川耀康生物科技有限公司 一种胶原蛋白提取用恒温酶解反应罐

Also Published As

Publication number Publication date
FR867449A (fr) 1941-10-27
US2231527A (en) 1941-02-11
BE440390A (enrdf_load_stackoverflow)

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