BE454669A - - Google Patents

Info

Publication number
BE454669A
BE454669A BE454669DA BE454669A BE 454669 A BE454669 A BE 454669A BE 454669D A BE454669D A BE 454669DA BE 454669 A BE454669 A BE 454669A
Authority
BE
Belgium
Application number
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.)
Publication of BE454669A publication Critical patent/BE454669A/xx

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
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G3/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
    • H03G9/08—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
BE454669D 1943-03-05 BE454669A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL624010X 1943-03-05

Publications (1)

Publication Number Publication Date
BE454669A true BE454669A (xx)

Family

ID=19788516

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454669D BE454669A (xx) 1943-03-05

Country Status (4)

Country Link
US (1) US2503787A (xx)
BE (1) BE454669A (xx)
FR (1) FR902400A (xx)
GB (1) GB624010A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682140A (en) * 1950-09-27 1952-11-05 Amalgamated Wireless Australas Improvements in volume control arrangements for radio receivers
US2848615A (en) * 1956-05-21 1958-08-19 Philco Corp Frequency control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE362743A (xx) * 1928-09-19
US2159453A (en) * 1929-06-13 1939-05-23 King Mfg Corp Dual action volume control
US1988370A (en) * 1929-12-06 1935-01-15 Philadelphia Storage Battery Automatic volume control
GB396822A (en) * 1932-02-18 1933-08-17 Gen Electric Co Ltd Improvements in electric wave signalling apparatus
US2115842A (en) * 1933-04-18 1938-05-03 Emi Ltd Volume control arrangement
US2205243A (en) * 1938-12-15 1940-06-18 Gen Electric Amplifier

Also Published As

Publication number Publication date
US2503787A (en) 1950-04-11
GB624010A (en) 1949-05-26
FR902400A (fr) 1945-08-29

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