FR798659A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR798659A
FR798659A FR798659DA FR798659A FR 798659 A FR798659 A FR 798659A FR 798659D A FR798659D A FR 798659DA FR 798659 A FR798659 A FR 798659A
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 FR798659A publication Critical patent/FR798659A/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
FR798659D 1934-12-03 1935-12-03 Improvements to discharge tubes Expired FR798659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB798659X 1934-12-03

Publications (1)

Publication Number Publication Date
FR798659A true FR798659A (en) 1936-05-23

Family

ID=10510334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798659D Expired FR798659A (en) 1934-12-03 1935-12-03 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR798659A (en)

Similar Documents

Publication Publication Date Title
FR816769A (en) Improvements to discharge tubes
FR798984A (en) Improvements to discharge tubes
FR47264E (en) Improvements to discharge tubes
FR810516A (en) Improvements to discharge tubes
FR785770A (en) Improvements to discharge tubes
FR797318A (en) Improvements to discharge tubes
FR786957A (en) Improvements to discharge tubes
FR789727A (en) Improvements to discharge tubes
FR801749A (en) Improvements made to discharge tubes
FR796322A (en) Improvements made to electric discharge tubes
FR812808A (en) Improvements to discharge tubes
FR784901A (en) Improvements to discharge tubes
FR820595A (en) Improvements to discharge tubes
FR792316A (en) Improvements made to electric discharge tubes
FR783718A (en) Improvements to discharge tubes
FR806693A (en) Improvements to discharge tubes
FR800413A (en) Improvements to discharge tubes
FR796513A (en) Improvements to electronic discharge tubes
FR794281A (en) Improvements to discharge tubes
FR786667A (en) Improvements to discharge tubes
FR798406A (en) Improvements to discharge tubes
FR798342A (en) Improvements to discharge tubes
FR797580A (en) Improvements to discharge tubes
FR784197A (en) Improvements to discharge tubes
FR796044A (en) Improvements to discharge tubes