FR1057407A - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number
FR1057407A
FR1057407A FR1057407DA FR1057407A FR 1057407 A FR1057407 A FR 1057407A FR 1057407D A FR1057407D A FR 1057407DA FR 1057407 A FR1057407 A FR 1057407A
Authority
FR
France
Prior art keywords
refinements
projector
projector refinements
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
English (en)
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 FR1057407A publication Critical patent/FR1057407A/fr
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
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1057407D 1952-05-27 1952-05-27 Perfectionnements aux projecteurs Expired FR1057407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1057407T 1952-05-27

Publications (1)

Publication Number Publication Date
FR1057407A true FR1057407A (fr) 1954-03-08

Family

ID=9597951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1057407D Expired FR1057407A (fr) 1952-05-27 1952-05-27 Perfectionnements aux projecteurs

Country Status (1)

Country Link
FR (1) FR1057407A (fr)

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