FR1029309A - Improvements to arc projectors - Google Patents

Improvements to arc projectors

Info

Publication number
FR1029309A
FR1029309A FR1029309DA FR1029309A FR 1029309 A FR1029309 A FR 1029309A FR 1029309D A FR1029309D A FR 1029309DA FR 1029309 A FR1029309 A FR 1029309A
Authority
FR
France
Prior art keywords
projectors
arc
arc projectors
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
Andre Cremer
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 FR1029309A publication Critical patent/FR1029309A/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
    • H05B31/00—Electric arc lamps
    • H05B31/0081—Controlling of arc lamps
    • H05B31/009—Controlling of arc lamps with tightening devices
FR1029309D 1950-12-08 1950-12-08 Improvements to arc projectors Expired FR1029309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1029309T 1950-12-08

Publications (1)

Publication Number Publication Date
FR1029309A true FR1029309A (en) 1953-06-02

Family

ID=9581769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1029309D Expired FR1029309A (en) 1950-12-08 1950-12-08 Improvements to arc projectors

Country Status (1)

Country Link
FR (1) FR1029309A (en)

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