FR852659A - - Google Patents

Info

Publication number
FR852659A
FR852659A FR852659DA FR852659A FR 852659 A FR852659 A FR 852659A FR 852659D A FR852659D A FR 852659DA FR 852659 A FR852659 A FR 852659A
Authority
FR
France
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
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 date
Application granted granted Critical
Publication of FR852659A publication Critical patent/FR852659A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
FR852659D 1938-04-08 Expired FR852659A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2248753X 1938-04-08

Publications (1)

Publication Number Publication Date
FR852659A true FR852659A (fr) 1940-03-04

Family

ID=3838162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852659D Expired FR852659A (fr) 1938-04-08

Country Status (2)

Country Link
US (1) US2248753A (fr)
FR (1) FR852659A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464818A (en) * 1943-05-27 1949-03-22 Sperry Corp Frequency control system

Also Published As

Publication number Publication date
US2248753A (en) 1941-07-08

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