FR786680A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR786680A
FR786680A FR786680DA FR786680A FR 786680 A FR786680 A FR 786680A FR 786680D A FR786680D A FR 786680DA FR 786680 A FR786680 A FR 786680A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
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 FR786680A publication Critical patent/FR786680A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/52Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523Heating or cooling particular parts of the lamp
    • H01J61/526Heating or cooling particular parts of the lamp heating or cooling of electrodes
FR786680D 1934-03-05 1935-03-05 Improvements to discharge tubes Expired FR786680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB696634A GB434597A (en) 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices

Publications (1)

Publication Number Publication Date
FR786680A true FR786680A (en) 1935-09-07

Family

ID=9824085

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786680D Expired FR786680A (en) 1934-03-05 1935-03-05 Improvements to discharge tubes

Country Status (2)

Country Link
FR (1) FR786680A (en)
GB (1) GB434597A (en)

Also Published As

Publication number Publication date
GB434597A (en) 1935-09-05

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