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FR45756E - Relief projection - Google Patents

Relief projection

Info

Publication number
FR45756E
FR45756E FR45756DA FR45756E FR 45756 E FR45756 E FR 45756E FR 45756D A FR45756D A FR 45756DA FR 45756 E FR45756 E FR 45756E
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
French (fr)
Inventor
Dodin
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 FR45756E publication Critical patent/FR45756E/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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR45756D 1935-01-11 1935-01-11 Relief projection Expired FR45756E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45756T 1935-01-11

Publications (1)

Publication Number Publication Date
FR45756E true FR45756E (en) 1935-12-03

Family

ID=8681464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45756D Expired FR45756E (en) 1935-01-11 1935-01-11 Relief projection

Country Status (1)

Country Link
FR (1) FR45756E (en)

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