EA201001227A1 - Сохраняющий поляризацию проекционный экран - Google Patents

Сохраняющий поляризацию проекционный экран

Info

Publication number
EA201001227A1
EA201001227A1 EA201001227A EA201001227A EA201001227A1 EA 201001227 A1 EA201001227 A1 EA 201001227A1 EA 201001227 A EA201001227 A EA 201001227A EA 201001227 A EA201001227 A EA 201001227A EA 201001227 A1 EA201001227 A1 EA 201001227A1
Authority
EA
Eurasian Patent Office
Prior art keywords
polarization
projection
scattering
optimal
light
Prior art date
Application number
EA201001227A
Other languages
English (en)
Other versions
EA029832B1 (ru
Inventor
Дэвид А. Колеман
Гари Д. Шарп
Original Assignee
Реалд Инк.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40898933&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EA201001227(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Реалд Инк. filed Critical Реалд Инк.
Publication of EA201001227A1 publication Critical patent/EA201001227A1/ru
Publication of EA029832B1 publication Critical patent/EA029832B1/ru

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/12—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying rotary motion
    • F16H21/14—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying rotary motion by means of cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
    • 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
    • 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
    • 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
    • G03B35/00—Stereoscopic photography
    • G03B35/16—Stereoscopic photography by sequential viewing
    • 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
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G03B35/26—Stereoscopic photography by simultaneous viewing using polarised or coloured light separating different viewpoint images
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18232—Crank and lever

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

В заявке описаны сохраняющие поляризацию фронтпроекционные экраны и рассеиватели, обеспечивающие оптимальное сохранение поляризации при просмотре стереоскопического трехмерного изображения, а также усовершенствованное управление освещением для повышения яркости, однородности и контрастности как двухмерных, так и трехмерных систем. В целом описанные экраны направляют свет проектора в сторону зрителей в пределах местоположения рассеяния и при этом сохраняют оптимальные характеристики усиления. Более точно, свет, падающий на область фронтпроекционного экрана в заданном направлении проекции, отражается специально разработанной поверхностью в заданное местоположение рассеяния после преимущественно однократного отражения. Специально разработанная поверхность, состоящая из порождающих ядер, используется для оптимального рассеяния света под углами обзора в определенном диапазоне в пределах местоположения рассеяния с соответствующим профилем усиления и в то же время оптимального сохранения поляризации при трехмерной проекции. При сочетании такого экрана с очками с согласованным поляризационным анализом обеспечиваются минимальные перекрестные помехи в любой точке обзора.
EA201001227A 2008-01-28 2009-01-28 Сохраняющий поляризацию проекционный экран EA029832B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2413808P 2008-01-28 2008-01-28
PCT/US2009/032307 WO2009097371A1 (en) 2008-01-28 2009-01-28 Polarization preserving front projection screen

Publications (2)

Publication Number Publication Date
EA201001227A1 true EA201001227A1 (ru) 2011-02-28
EA029832B1 EA029832B1 (ru) 2018-05-31

Family

ID=40898933

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201001227A EA029832B1 (ru) 2008-01-28 2009-01-28 Сохраняющий поляризацию проекционный экран

Country Status (13)

Country Link
US (4) US7898734B2 (ru)
EP (2) EP3267251B1 (ru)
JP (2) JP2011511310A (ru)
KR (3) KR101939935B1 (ru)
CN (1) CN102016714B (ru)
AU (1) AU2009209209B2 (ru)
BR (1) BRPI0907207B1 (ru)
CA (1) CA2713312C (ru)
EA (1) EA029832B1 (ru)
ES (1) ES2642884T3 (ru)
HU (1) HUE036541T2 (ru)
MX (1) MX2010008120A (ru)
WO (1) WO2009097371A1 (ru)

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CA2713312A1 (en) 2009-08-06
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US20100188746A1 (en) 2010-07-29
CA2713312C (en) 2018-10-16
EP2240825B1 (en) 2017-07-19
CN102016714A (zh) 2011-04-13
EP2240825A4 (en) 2011-05-18
ES2642884T3 (es) 2017-11-20
KR20100115350A (ko) 2010-10-27
JP2016105204A (ja) 2016-06-09
KR20170136010A (ko) 2017-12-08
BRPI0907207A2 (pt) 2019-02-26
AU2009209209A1 (en) 2009-08-06
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US20090190210A1 (en) 2009-07-30
US8072681B2 (en) 2011-12-06
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US8711477B2 (en) 2014-04-29
US8004758B2 (en) 2011-08-23
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US7898734B2 (en) 2011-03-01
CN102016714B (zh) 2012-08-29
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