CH516173A - Ecran à transmission de lumière - Google Patents

Ecran à transmission de lumière

Info

Publication number
CH516173A
CH516173A CH511670A CH511670A CH516173A CH 516173 A CH516173 A CH 516173A CH 511670 A CH511670 A CH 511670A CH 511670 A CH511670 A CH 511670A CH 516173 A CH516173 A CH 516173A
Authority
CH
Switzerland
Prior art keywords
light transmission
transmission screen
screen
light
transmission
Prior art date
Application number
CH511670A
Other languages
English (en)
Inventor
Norton Wolfe Robert
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CH516173A publication Critical patent/CH516173A/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
CH511670A 1969-04-07 1970-04-07 Ecran à transmission de lumière CH516173A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81400669A 1969-04-07 1969-04-07

Publications (1)

Publication Number Publication Date
CH516173A true CH516173A (fr) 1971-11-30

Family

ID=25213964

Family Applications (1)

Application Number Title Priority Date Filing Date
CH511670A CH516173A (fr) 1969-04-07 1970-04-07 Ecran à transmission de lumière

Country Status (6)

Country Link
US (1) US3640602A (fr)
JP (1) JPS495257B1 (fr)
BE (1) BE748613A (fr)
CH (1) CH516173A (fr)
FR (1) FR2042973A5 (fr)
GB (1) GB1308984A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55146439A (en) * 1979-05-02 1980-11-14 Fuji Photo Film Co Ltd Vibration type projecting screen
JPH08262566A (ja) * 1994-07-22 1996-10-11 Mitsubishi Electric Corp 投写型表示装置
DE50107903D1 (de) * 2001-05-25 2005-12-08 Eads Deutschland Gmbh Verfahren und Vorrichtung zur Beseitigung von stationären Bildstörungen bei Bildprojektionen mit zeitlich oder räumlich kohärentem Licht, sowie System zur Bildprojektion
JP4605032B2 (ja) * 2006-01-25 2011-01-05 ソニー株式会社 スクリーン及び画像投影装置
JP4961815B2 (ja) * 2006-04-17 2012-06-27 セイコーエプソン株式会社 スクリーン、リアプロジェクタ及び画像表示装置
US7660037B2 (en) 2006-06-06 2010-02-09 Seiko Epson Corporation Screen, projector, and image display device
JP5532535B2 (ja) * 2006-08-28 2014-06-25 セイコーエプソン株式会社 プロジェクタ
US7796330B2 (en) * 2006-11-16 2010-09-14 High Definition Integration, Ltd. Anti-speckling laser rear-projection screen structure and methodology
US20080192501A1 (en) * 2007-02-12 2008-08-14 Texas Instruments Incorporated System and method for displaying images
US9529207B2 (en) * 2013-06-06 2016-12-27 Reald Inc. System and method for vibrating screens to reduce speckle
CN108153098B (zh) 2014-01-03 2020-12-15 杜比实验室特许公司 散斑抑制系统
DE102015200929A1 (de) * 2015-01-21 2016-07-21 Robert Bosch Gmbh Projektionsschirmvorrichtung, Projektionsvorrichtung und Projektionsverfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB592815A (en) * 1945-05-25 1947-09-30 Taylor Taylor & Hobson Ltd Improvements in or relating to translucent diffusion screens
US2326042A (en) * 1939-09-11 1943-08-03 Stephen Junkunc Jr Projector and viewing screen
US2689387A (en) * 1949-11-28 1954-09-21 William P Carr Blind
US3372971A (en) * 1964-12-28 1968-03-12 Nat Distillers Chem Corp Optical system and materials

Also Published As

Publication number Publication date
FR2042973A5 (fr) 1971-02-12
JPS495257B1 (fr) 1974-02-06
US3640602A (en) 1972-02-08
GB1308984A (en) 1973-03-07
BE748613A (fr) 1970-09-16

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Legal Events

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PL Patent ceased