FR27521E - Variable intensity electric lighting device - Google Patents

Variable intensity electric lighting device

Info

Publication number
FR27521E
FR27521E FR27521DA FR27521E FR 27521 E FR27521 E FR 27521E FR 27521D A FR27521D A FR 27521DA FR 27521 E FR27521 E FR 27521E
Authority
FR
France
Prior art keywords
lighting device
electric lighting
variable intensity
intensity electric
variable
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
Robert Desmons
Henri Sabarthez
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 FR27521E publication Critical patent/FR27521E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
FR27521D 1923-03-03 1923-03-03 Variable intensity electric lighting device Expired FR27521E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27521T 1923-03-03

Publications (1)

Publication Number Publication Date
FR27521E true FR27521E (en) 1924-07-28

Family

ID=8665824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27521D Expired FR27521E (en) 1923-03-03 1923-03-03 Variable intensity electric lighting device

Country Status (1)

Country Link
FR (1) FR27521E (en)

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