FR741805A - - Google Patents

Info

Publication number
FR741805A
FR741805A FR741805DA FR741805A FR 741805 A FR741805 A FR 741805A FR 741805D A FR741805D A FR 741805DA FR 741805 A FR741805 A FR 741805A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR741805A publication Critical patent/FR741805A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR741805D Expired FR741805A (ja)

Publications (1)

Publication Number Publication Date
FR741805A true FR741805A (ja) 1933-02-21

Family

ID=1546293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR741805D Expired FR741805A (ja)

Country Status (1)

Country Link
FR (1) FR741805A (ja)

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