FR746022A - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
FR746022A
FR746022A FR746022DA FR746022A FR 746022 A FR746022 A FR 746022A FR 746022D A FR746022D A FR 746022DA FR 746022 A FR746022 A FR 746022A
Authority
FR
France
Prior art keywords
projection screen
projection
screen
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NOUVEAUTES CINEMATOGRAPHIQUES
Original Assignee
NOUVEAUTES CINEMATOGRAPHIQUES
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 by NOUVEAUTES CINEMATOGRAPHIQUES filed Critical NOUVEAUTES CINEMATOGRAPHIQUES
Application granted granted Critical
Publication of FR746022A publication Critical patent/FR746022A/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)
FR746022D 1932-02-08 1932-02-08 Ecran de projection Expired FR746022A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR746022T 1932-02-08

Publications (1)

Publication Number Publication Date
FR746022A true FR746022A (fr) 1933-05-20

Family

ID=9147115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746022D Expired FR746022A (fr) 1932-02-08 1932-02-08 Ecran de projection

Country Status (1)

Country Link
FR (1) FR746022A (fr)

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