FR654444A - Device for recording alternating electric currents by means of an electric arc - Google Patents

Device for recording alternating electric currents by means of an electric arc

Info

Publication number
FR654444A
FR654444A FR654444DA FR654444A FR 654444 A FR654444 A FR 654444A FR 654444D A FR654444D A FR 654444DA FR 654444 A FR654444 A FR 654444A
Authority
FR
France
Prior art keywords
electric arc
electric
currents
recording alternating
recording
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
Heinrich Konemann
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 FR654444A publication Critical patent/FR654444A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/30—Igniting arrangements
FR654444D 1927-05-24 1928-05-19 Device for recording alternating electric currents by means of an electric arc Expired FR654444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE654444X 1927-05-24

Publications (1)

Publication Number Publication Date
FR654444A true FR654444A (en) 1929-04-05

Family

ID=6581972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654444D Expired FR654444A (en) 1927-05-24 1928-05-19 Device for recording alternating electric currents by means of an electric arc

Country Status (1)

Country Link
FR (1) FR654444A (en)

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