FR41748E - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR41748E
FR41748E FR41748DA FR41748E FR 41748 E FR41748 E FR 41748E FR 41748D A FR41748D A FR 41748DA FR 41748 E FR41748 E FR 41748E
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 FR41748E publication Critical patent/FR41748E/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
FR41748D 1932-04-12 1932-04-12 Improvements to discharge tubes Expired FR41748E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41748T 1932-04-12

Publications (1)

Publication Number Publication Date
FR41748E true FR41748E (en) 1933-03-29

Family

ID=8677873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41748D Expired FR41748E (en) 1932-04-12 1932-04-12 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR41748E (en)

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