FR680679A - Device for controlling an alternating current circuit according to the intensity of the day - Google Patents

Device for controlling an alternating current circuit according to the intensity of the day

Info

Publication number
FR680679A
FR680679A FR680679DA FR680679A FR 680679 A FR680679 A FR 680679A FR 680679D A FR680679D A FR 680679DA FR 680679 A FR680679 A FR 680679A
Authority
FR
France
Prior art keywords
day
intensity
controlling
alternating current
circuit according
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
Auguste Carvin
Gabriel Devergie
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 FR680679A publication Critical patent/FR680679A/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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR680679D 1929-07-29 1929-07-29 Device for controlling an alternating current circuit according to the intensity of the day Expired FR680679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680679T 1929-07-29

Publications (1)

Publication Number Publication Date
FR680679A true FR680679A (en) 1930-05-05

Family

ID=9022399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680679D Expired FR680679A (en) 1929-07-29 1929-07-29 Device for controlling an alternating current circuit according to the intensity of the day

Country Status (1)

Country Link
FR (1) FR680679A (en)

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