FR729904A - écran pour projections en plein jour - Google Patents

écran pour projections en plein jour

Info

Publication number
FR729904A
FR729904A FR729904DA FR729904A FR 729904 A FR729904 A FR 729904A FR 729904D A FR729904D A FR 729904DA FR 729904 A FR729904 A FR 729904A
Authority
FR
France
Prior art keywords
daylight
projections
screen
daylight projections
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
Takeo Shimizu
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 FR729904A publication Critical patent/FR729904A/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
    • G03B21/62—Translucent screens
    • 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
    • G03B21/602—Lenticular screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR729904D 1931-01-19 1932-01-18 écran pour projections en plein jour Expired FR729904A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP729904X 1931-01-19

Publications (1)

Publication Number Publication Date
FR729904A true FR729904A (fr) 1932-08-03

Family

ID=13505331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729904D Expired FR729904A (fr) 1931-01-19 1932-01-18 écran pour projections en plein jour

Country Status (1)

Country Link
FR (1) FR729904A (fr)

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