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
KR102277617B1 (ko) 2013-06-06 2021-07-16 리얼디 인크. 스페클을 감소하기 위해 스크린들을 진동시키는 시스템 및 방법
ES2701518T3 (es) 2014-01-03 2019-02-22 Dolby Laboratories Licensing Corp Actuadores de pantalla acoplados de manera movible
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
US3640602A (en) 1972-02-08
BE748613A (fr) 1970-09-16
JPS495257B1 (fr) 1974-02-06
FR2042973A5 (fr) 1971-02-12
GB1308984A (en) 1973-03-07

Similar Documents

Publication Publication Date Title
BR6910832D0 (pt) Dispositivo otico de projecao
CH520344A (fr) Ecran de projection
AT297244B (de) Glasgegenstand
CH510214A (de) Getriebevorrichtung
BE760209A (fr) Elements de construction legers
CH516173A (fr) Ecran à transmission de lumière
BE776401Q (fr) Ecran de luminaire.
BR7019559D0 (pt) Projeteis luminosos
BE755852A (fr) Photometre
BR7102593D0 (pt) Dispositivo aperfeicoado de transmissao variavel de luz
FR1488356A (fr) Boîte de vitesses à action différentielle
NL146607B (nl) Digitale lichtafbuiginrichting.
BE752272A (fr) Obturateur de lumiere
CH522950A (fr) Caméra de télévision
CH489812A (de) Schlierenoptisches System
BE759538A (fr) Elements optiques
CH517950A (de) Optisches Projektionsgerät
AT291362B (de) Fernsehkamera
CH527928A (fr) Mécanisme à filer
BE746916A (fr) Panneau de construction
CH503282A (de) Projektionsschirm
CH519641A (de) Lichtkuppel
BE744054A (fr) Diffuseurs de lumiere
CH521549A (de) Leuchtenarmatur
BE760888A (fr) Projecteur de cinematographie

Legal Events

Date Code Title Description
PL Patent ceased