FR417663A - Coupled resonator for radiotelegraphy and radiotelephony - Google Patents

Coupled resonator for radiotelegraphy and radiotelephony

Info

Publication number
FR417663A
FR417663A FR417663DA FR417663A FR 417663 A FR417663 A FR 417663A FR 417663D A FR417663D A FR 417663DA FR 417663 A FR417663 A FR 417663A
Authority
FR
France
Prior art keywords
radiotelegraphy
radiotelephony
coupled resonator
resonator
coupled
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
Jean-Pierre-Jules Naudin
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.)
JEAN PIERRE JULES NAUDIN
Original Assignee
JEAN PIERRE JULES NAUDIN
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 JEAN PIERRE JULES NAUDIN filed Critical JEAN PIERRE JULES NAUDIN
Application granted granted Critical
Publication of FR417663A publication Critical patent/FR417663A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
FR417663D 1910-06-30 1910-06-30 Coupled resonator for radiotelegraphy and radiotelephony Expired FR417663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR417663T 1910-06-30

Publications (1)

Publication Number Publication Date
FR417663A true FR417663A (en) 1910-11-19

Family

ID=1461048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR417663D Expired FR417663A (en) 1910-06-30 1910-06-30 Coupled resonator for radiotelegraphy and radiotelephony

Country Status (1)

Country Link
FR (1) FR417663A (en)

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