FR39053E - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR39053E
FR39053E FR39053DA FR39053E FR 39053 E FR39053 E FR 39053E FR 39053D A FR39053D A FR 39053DA FR 39053 E FR39053 E FR 39053E
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 Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR39053E publication Critical patent/FR39053E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/18—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
    • H05B41/19—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch for lamps having an auxiliary starting electrode
FR39053D 1930-09-12 1930-09-12 Improvements to discharge tubes Expired FR39053E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39053T 1930-09-12

Publications (1)

Publication Number Publication Date
FR39053E true FR39053E (en) 1931-08-26

Family

ID=8675491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39053D Expired FR39053E (en) 1930-09-12 1930-09-12 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR39053E (en)

Similar Documents

Publication Publication Date Title
FR723431A (en) Tube improvements
FR716475A (en) Improvements to metal tubes
FR688985A (en) Improvements to discharge tubes
FR707965A (en) Improvements made to electric discharge tubes
FR718983A (en) Improvements made to electric discharge tubes
FR727076A (en) Improvements to discharge tubes
FR727680A (en) Improvements to discharge tubes
FR715188A (en) Metal-cased discharge tube
FR707770A (en) Improvements to discharge tubes
FR725479A (en) Gas discharge tube
FR717583A (en) Electric discharge tube
FR723374A (en) Electric discharge tube
FR719115A (en) Discharge tube
FR721436A (en) Improvements to discharge tubes
FR39053E (en) Improvements to discharge tubes
FR39597E (en) Improvements to discharge tubes
FR724709A (en) Improvements made to electric discharge tubes
FR727891A (en) Electric discharge tube
FR710937A (en) Improvements to glow discharge tubes
FR712097A (en) Improvements made to electric discharge tubes
FR40081E (en) Improvements to discharge tubes
FR739425A (en) Improvements to discharge tubes
FR715232A (en) Improvements to heated cathode discharge tubes
FR713894A (en) Improvements made to glow discharge tubes
FR694144A (en) Improvements to discharge tubes