FR864289A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR864289A
FR864289A FR864289DA FR864289A FR 864289 A FR864289 A FR 864289A FR 864289D A FR864289D A FR 864289DA FR 864289 A FR864289 A FR 864289A
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 FR864289A publication Critical patent/FR864289A/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
FR864289D 1939-03-21 1940-03-21 Improvements to discharge tubes Expired FR864289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB864289X 1939-03-21

Publications (1)

Publication Number Publication Date
FR864289A true FR864289A (en) 1941-04-23

Family

ID=10609841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864289D Expired FR864289A (en) 1939-03-21 1940-03-21 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR864289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119410B (en) * 1957-06-25 1961-12-14 Patra Patent Treuhand Ignition and operating device for alternating current-fed discharge lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119410B (en) * 1957-06-25 1961-12-14 Patra Patent Treuhand Ignition and operating device for alternating current-fed discharge lamps

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