FR717245A - Control device for wireless telegraphy apparatus - Google Patents

Control device for wireless telegraphy apparatus

Info

Publication number
FR717245A
FR717245A FR717245DA FR717245A FR 717245 A FR717245 A FR 717245A FR 717245D A FR717245D A FR 717245DA FR 717245 A FR717245 A FR 717245A
Authority
FR
France
Prior art keywords
control device
wireless telegraphy
telegraphy apparatus
wireless
control
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
Other languages
French (fr)
Inventor
George Francis John Dandridge
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 filed Critical
Application granted granted Critical
Publication of FR717245A publication Critical patent/FR717245A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/14—Special arrangements for fine and coarse tuning
FR717245D 1930-05-20 1931-05-19 Control device for wireless telegraphy apparatus Expired FR717245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB717245X 1930-05-20

Publications (1)

Publication Number Publication Date
FR717245A true FR717245A (en) 1932-01-05

Family

ID=10494699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717245D Expired FR717245A (en) 1930-05-20 1931-05-19 Control device for wireless telegraphy apparatus

Country Status (1)

Country Link
FR (1) FR717245A (en)

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