FR819954A - Improvements to screens for cinematography, etc. - Google Patents

Improvements to screens for cinematography, etc.

Info

Publication number
FR819954A
FR819954A FR819954DA FR819954A FR 819954 A FR819954 A FR 819954A FR 819954D A FR819954D A FR 819954DA FR 819954 A FR819954 A FR 819954A
Authority
FR
France
Prior art keywords
cinematography
screens
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
Eudaldo Soler Bofill
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 FR819954A publication Critical patent/FR819954A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR819954D 1937-03-30 1937-03-30 Improvements to screens for cinematography, etc. Expired FR819954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR819954T 1937-03-30

Publications (1)

Publication Number Publication Date
FR819954A true FR819954A (en) 1937-10-29

Family

ID=9269662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819954D Expired FR819954A (en) 1937-03-30 1937-03-30 Improvements to screens for cinematography, etc.

Country Status (1)

Country Link
FR (1) FR819954A (en)

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