BE487522A - - Google Patents

Info

Publication number
BE487522A
BE487522A BE487522DA BE487522A BE 487522 A BE487522 A BE 487522A BE 487522D A BE487522D A BE 487522DA BE 487522 A BE487522 A BE 487522A
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 BE487522A publication Critical patent/BE487522A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
BE487522D 1948-02-25 BE487522A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10773A US2556883A (en) 1948-02-25 1948-02-25 Reactance tube circuit

Publications (1)

Publication Number Publication Date
BE487522A true BE487522A (enrdf_load_stackoverflow)

Family

ID=21747353

Family Applications (1)

Application Number Title Priority Date Filing Date
BE487522D BE487522A (enrdf_load_stackoverflow) 1948-02-25

Country Status (3)

Country Link
US (1) US2556883A (enrdf_load_stackoverflow)
BE (1) BE487522A (enrdf_load_stackoverflow)
FR (1) FR981089A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637838A (en) * 1950-05-10 1953-05-05 Gen Electric Amplitude modulation circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140339A (en) * 1935-10-03 1938-12-13 Rca Corp Frequency control circuits
US2181909A (en) * 1937-12-04 1939-12-05 Bell Telephone Labor Inc Negative impedance circuit
US2248132A (en) * 1940-01-27 1941-07-08 Rca Corp Frequency modulation
US2258470A (en) * 1940-04-27 1941-10-07 Radio Patents Corp Electronic reactance device
FR947097A (fr) * 1942-12-12 1949-06-22 Thomson Houston Comp Francaise Perfectionnements aux tubes à réactance
US2441504A (en) * 1945-08-25 1948-05-11 Gen Railway Signal Co Radio transmitting system

Also Published As

Publication number Publication date
FR981089A (fr) 1951-05-22
US2556883A (en) 1951-06-12

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