FR667354A - Electric spotlight - Google Patents

Electric spotlight

Info

Publication number
FR667354A
FR667354A FR667354DA FR667354A FR 667354 A FR667354 A FR 667354A FR 667354D A FR667354D A FR 667354DA FR 667354 A FR667354 A FR 667354A
Authority
FR
France
Prior art keywords
spotlight
electric
electric spotlight
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
Leber Gruber
Francois Constantin
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 FR667354A publication Critical patent/FR667354A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR667354D 1928-04-14 1928-04-14 Electric spotlight Expired FR667354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR667354T 1928-04-14

Publications (1)

Publication Number Publication Date
FR667354A true FR667354A (en) 1929-10-16

Family

ID=9014354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667354D Expired FR667354A (en) 1928-04-14 1928-04-14 Electric spotlight

Country Status (1)

Country Link
FR (1) FR667354A (en)

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