FR75003E - Perfectionnements aux surfaces semi-réfléchissantes et applications desdites, notamment comme écrans de projection - Google Patents

Perfectionnements aux surfaces semi-réfléchissantes et applications desdites, notamment comme écrans de projection

Info

Publication number
FR75003E
FR75003E FR75003DA FR75003E FR 75003 E FR75003 E FR 75003E FR 75003D A FR75003D A FR 75003DA FR 75003 E FR75003 E FR 75003E
Authority
FR
France
Prior art keywords
semi
applications
reflecting surfaces
projection screens
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
English (en)
Inventor
Robert Guetet
Charles Perrot
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 FR75003E publication Critical patent/FR75003E/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
    • G03B21/602—Lenticular screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR75003D 1953-10-23 1954-03-24 Perfectionnements aux surfaces semi-réfléchissantes et applications desdites, notamment comme écrans de projection Expired FR75003E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1092446T 1953-10-23

Publications (1)

Publication Number Publication Date
FR75003E true FR75003E (fr) 1961-02-13

Family

ID=9616003

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1092446D Expired FR1092446A (fr) 1953-10-23 1953-10-23 Perfectionnements aux surfaces semi-réfléchissantes et applications des dites, notamment comme écrans de projection
FR75003D Expired FR75003E (fr) 1953-10-23 1954-03-24 Perfectionnements aux surfaces semi-réfléchissantes et applications desdites, notamment comme écrans de projection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1092446D Expired FR1092446A (fr) 1953-10-23 1953-10-23 Perfectionnements aux surfaces semi-réfléchissantes et applications des dites, notamment comme écrans de projection

Country Status (1)

Country Link
FR (2) FR1092446A (fr)

Also Published As

Publication number Publication date
FR1092446A (fr) 1955-04-21

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