FR781837A - Projection en relief - Google Patents

Projection en relief

Info

Publication number
FR781837A
FR781837A FR781837DA FR781837A FR 781837 A FR781837 A FR 781837A FR 781837D A FR781837D A FR 781837DA FR 781837 A FR781837 A FR 781837A
Authority
FR
France
Prior art keywords
relief projection
relief
projection
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
Dodin Lucien Jules Emile Andre
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 FR781837A publication Critical patent/FR781837A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR781837D 1934-11-06 1934-11-06 Projection en relief Expired FR781837A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781837T 1934-11-06

Publications (1)

Publication Number Publication Date
FR781837A true FR781837A (fr) 1935-05-22

Family

ID=9209730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781837D Expired FR781837A (fr) 1934-11-06 1934-11-06 Projection en relief

Country Status (1)

Country Link
FR (1) FR781837A (fr)

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