FR74405E - Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge - Google Patents

Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge

Info

Publication number
FR74405E
FR74405E FR74405DA FR74405E FR 74405 E FR74405 E FR 74405E FR 74405D A FR74405D A FR 74405DA FR 74405 E FR74405 E FR 74405E
Authority
FR
France
Prior art keywords
priming
discharge tube
operating circuits
tube operating
circuits
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
English (en)
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 FR74405E publication Critical patent/FR74405E/fr
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
    • H05B41/20—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 no starting switch
    • H05B41/23—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 no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
FR74405D 1947-02-28 1950-11-22 Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge Expired FR74405E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US962871XA 1947-02-28 1947-02-28

Publications (1)

Publication Number Publication Date
FR74405E true FR74405E (fr) 1961-05-04

Family

ID=1564090

Family Applications (2)

Application Number Title Priority Date Filing Date
FR962871D Expired FR962871A (fr) 1947-02-28 1948-02-27
FR74405D Expired FR74405E (fr) 1947-02-28 1950-11-22 Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR962871D Expired FR962871A (fr) 1947-02-28 1948-02-27

Country Status (1)

Country Link
FR (2) FR962871A (fr)

Also Published As

Publication number Publication date
FR962871A (fr) 1950-06-22

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