FR864139A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR864139A
FR864139A FR864139DA FR864139A FR 864139 A FR864139 A FR 864139A FR 864139D A FR864139D A FR 864139DA FR 864139 A FR864139 A FR 864139A
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR864139A publication Critical patent/FR864139A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
FR864139D 1939-03-18 1940-03-18 écran de projection Expired FR864139A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540567XA 1939-03-18 1939-03-18

Publications (1)

Publication Number Publication Date
FR864139A true FR864139A (fr) 1941-04-19

Family

ID=21988487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864139D Expired FR864139A (fr) 1939-03-18 1940-03-18 écran de projection

Country Status (2)

Country Link
FR (1) FR864139A (fr)
GB (1) GB540567A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2201467C3 (de) * 1972-01-13 1981-08-20 Mechanische Weberei Gmbh, 4792 Bad Lippspringe Projektionsschirm für Durchprojektion
US4068922A (en) * 1976-10-01 1978-01-17 The Singer Company Front projection screen
JPH02199444A (ja) * 1989-01-30 1990-08-07 Matsushita Electric Ind Co Ltd 透過型スクリーンとその製造方法とそれを用いた透過型プロジェクションテレビ
EP0627638A1 (fr) * 1993-06-02 1994-12-07 Hughes Aircraft Company Diffuseur elliptique
US5932342A (en) * 1996-11-14 1999-08-03 Nashua Corporation Optical diffusers obtained by fluid phase mixing of incompatible materials
GB2428307A (en) * 2005-07-09 2007-01-24 Ncast Ltd Rear projecton screen

Also Published As

Publication number Publication date
GB540567A (en) 1941-10-22

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