FR709366A - Optical device intended for playing sound films - Google Patents

Optical device intended for playing sound films

Info

Publication number
FR709366A
FR709366A FR709366DA FR709366A FR 709366 A FR709366 A FR 709366A FR 709366D A FR709366D A FR 709366DA FR 709366 A FR709366 A FR 709366A
Authority
FR
France
Prior art keywords
optical device
device intended
playing sound
sound films
films
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
Claude Bussard
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 FR709366A publication Critical patent/FR709366A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR709366D 1931-01-14 1931-01-14 Optical device intended for playing sound films Expired FR709366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709366T 1931-01-14

Publications (1)

Publication Number Publication Date
FR709366A true FR709366A (en) 1931-08-06

Family

ID=9069436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709366D Expired FR709366A (en) 1931-01-14 1931-01-14 Optical device intended for playing sound films

Country Status (1)

Country Link
FR (1) FR709366A (en)

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