FR806618A - Improvements to electric discharge tubes - Google Patents

Improvements to electric discharge tubes

Info

Publication number
FR806618A
FR806618A FR806618DA FR806618A FR 806618 A FR806618 A FR 806618A FR 806618D A FR806618D A FR 806618DA FR 806618 A FR806618 A FR 806618A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
electric
discharge
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)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR806618A publication Critical patent/FR806618A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0064Tubes with cold main electrodes (including cold cathodes)
FR806618D 1935-05-20 1936-05-20 Improvements to electric discharge tubes Expired FR806618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US806618XA 1935-05-20 1935-05-20

Publications (1)

Publication Number Publication Date
FR806618A true FR806618A (en) 1936-12-21

Family

ID=22158812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806618D Expired FR806618A (en) 1935-05-20 1936-05-20 Improvements to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR806618A (en)

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