FR738370A - Method of adjusting the light intensity of luminescent alternating current electric tubes - Google Patents

Method of adjusting the light intensity of luminescent alternating current electric tubes

Info

Publication number
FR738370A
FR738370A FR738370DA FR738370A FR 738370 A FR738370 A FR 738370A FR 738370D A FR738370D A FR 738370DA FR 738370 A FR738370 A FR 738370A
Authority
FR
France
Prior art keywords
luminescent
adjusting
light intensity
alternating current
current electric
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles 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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR738370A publication Critical patent/FR738370A/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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
FR738370D 1931-06-24 1932-06-09 Method of adjusting the light intensity of luminescent alternating current electric tubes Expired FR738370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE738370X 1931-06-24

Publications (1)

Publication Number Publication Date
FR738370A true FR738370A (en) 1932-12-24

Family

ID=6642785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738370D Expired FR738370A (en) 1931-06-24 1932-06-09 Method of adjusting the light intensity of luminescent alternating current electric tubes

Country Status (1)

Country Link
FR (1) FR738370A (en)

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