FR694028A - Device for gradually varying the intensity of light sources - Google Patents

Device for gradually varying the intensity of light sources

Info

Publication number
FR694028A
FR694028A FR694028DA FR694028A FR 694028 A FR694028 A FR 694028A FR 694028D A FR694028D A FR 694028DA FR 694028 A FR694028 A FR 694028A
Authority
FR
France
Prior art keywords
intensity
light sources
gradually varying
varying
gradually
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)
Inventor
Mariano Fortuny
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 filed Critical
Application granted granted Critical
Publication of FR694028A publication Critical patent/FR694028A/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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
FR694028D 1930-04-16 1930-04-16 Device for gradually varying the intensity of light sources Expired FR694028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR694028T 1930-04-16

Publications (1)

Publication Number Publication Date
FR694028A true FR694028A (en) 1930-11-27

Family

ID=9043462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR694028D Expired FR694028A (en) 1930-04-16 1930-04-16 Device for gradually varying the intensity of light sources

Country Status (1)

Country Link
FR (1) FR694028A (en)

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