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ATE273598T1 - Autostereoskopisches projektionssystem - Google Patents

Autostereoskopisches projektionssystem

Info

Publication number
ATE273598T1
ATE273598T1 AT98914361T AT98914361T ATE273598T1 AT E273598 T1 ATE273598 T1 AT E273598T1 AT 98914361 T AT98914361 T AT 98914361T AT 98914361 T AT98914361 T AT 98914361T AT E273598 T1 ATE273598 T1 AT E273598T1
Authority
AT
Austria
Prior art keywords
crt display
projection system
projector
shutter
autostereoscopic projection
Prior art date
Application number
AT98914361T
Other languages
English (en)
Inventor
Graham Martin
Joseph L Mclaughlin
Original Assignee
Litton Systems Inc
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
Priority claimed from US09/003,614 external-priority patent/US5993003A/en
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Application granted granted Critical
Publication of ATE273598T1 publication Critical patent/ATE273598T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7408Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical 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
    • G02B30/26Optical 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 autostereoscopic type
    • G02B30/27Optical 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 autostereoscopic type involving lenticular arrays
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical 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
    • G02B30/26Optical 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 autostereoscopic type
    • G02B30/30Optical 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 autostereoscopic type involving parallax barriers
    • G02B30/31Optical 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 autostereoscopic type involving parallax barriers involving active parallax barriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20Image signal generators
    • H04N13/204Image signal generators using stereoscopic image cameras
    • H04N13/243Image signal generators using stereoscopic image cameras using three or more 2D image sensors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20Image signal generators
    • H04N13/296Synchronisation thereof; Control thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/302Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/305Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/302Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/302Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/32Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/324Colour aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/349Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
    • H04N13/354Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking for displaying sequentially
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/363Image reproducers using image projection screens
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/398Synchronisation thereof; Control thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7475Constructional details of television projection apparatus
    • H04N5/7491Constructional details of television projection apparatus of head mounted projectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106Processing image signals
    • H04N13/111Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation
    • H04N13/117Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation the virtual viewpoint locations being selected by the viewers or determined by viewer tracking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106Processing image signals
    • H04N13/122Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/189Recording image signals; Reproducing recorded image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/194Transmission of image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20Image signal generators
    • H04N13/204Image signal generators using stereoscopic image cameras
    • H04N13/239Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20Image signal generators
    • H04N13/286Image signal generators having separate monoscopic and stereoscopic modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/327Calibration thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/332Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/344Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/366Image reproducers using viewer tracking
    • H04N13/376Image reproducers using viewer tracking for tracking left-right translational head movements, i.e. lateral movements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/366Image reproducers using viewer tracking
    • H04N13/38Image reproducers using viewer tracking for tracking vertical translational head movements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074Stereoscopic image analysis
    • H04N2013/0081Depth or disparity estimation from stereoscopic image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Eye Examination Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT98914361T 1997-03-27 1998-03-27 Autostereoskopisches projektionssystem ATE273598T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4242497P 1997-03-27 1997-03-27
US5060397P 1997-06-24 1997-06-24
US09/003,614 US5993003A (en) 1997-03-27 1998-01-07 Autostereo projection system
PCT/US1998/006304 WO1998043441A1 (en) 1997-03-27 1998-03-27 Autostereoscopic projection system

Publications (1)

Publication Number Publication Date
ATE273598T1 true ATE273598T1 (de) 2004-08-15

Family

ID=27357445

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98914361T ATE273598T1 (de) 1997-03-27 1998-03-27 Autostereoskopisches projektionssystem

Country Status (9)

Country Link
US (2) US6224214B1 (de)
EP (1) EP0970589B1 (de)
JP (1) JP2001519126A (de)
KR (1) KR100520699B1 (de)
AT (1) ATE273598T1 (de)
AU (1) AU739910B2 (de)
CA (1) CA2284915C (de)
DE (1) DE69825572T2 (de)
WO (1) WO1998043441A1 (de)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE273598T1 (de) * 1997-03-27 2004-08-15 Litton Systems Inc Autostereoskopisches projektionssystem
AUPP048097A0 (en) * 1997-11-21 1997-12-18 Xenotech Research Pty Ltd Eye tracking apparatus
US6816158B1 (en) * 1998-10-30 2004-11-09 Lemelson Jerome H Three-dimensional display system
GB9916715D0 (en) * 1999-07-19 1999-09-15 Secr Defence Compound lens arrangement for use in lens arrays
EP1083755A3 (de) * 1999-09-07 2003-11-12 Canon Kabushiki Kaisha Bildeingabegerät und Bildanzeigevorrichtung
US6980690B1 (en) * 2000-01-20 2005-12-27 Canon Kabushiki Kaisha Image processing apparatus
JP3942789B2 (ja) * 2000-02-22 2007-07-11 独立行政法人科学技術振興機構 背景付き立体像再生装置
WO2002003124A1 (fr) * 2000-06-30 2002-01-10 Japan Science And Technology Corporation Dispositif d'affichage du type a partage multiple
KR20020014066A (ko) * 2000-08-16 2002-02-25 김용민 동적 입체 투영상 시스템
KR20020016063A (ko) * 2000-08-24 2002-03-04 김용민 3차원 입체영상 게임 디스플레이 시스템
US7099080B2 (en) * 2000-08-30 2006-08-29 Stereo Graphics Corporation Autostereoscopic lenticular screen
US6803912B1 (en) * 2001-08-02 2004-10-12 Mark Resources, Llc Real time three-dimensional multiple display imaging system
US7419265B2 (en) 2002-07-12 2008-09-02 X3D Technologies Gmbh Autostereoscopic projection system
US7283308B2 (en) * 2004-03-05 2007-10-16 Actuality Systems, Inc. Optical systems for generating three-dimensional images
US20050219693A1 (en) * 2004-04-02 2005-10-06 David Hartkop Scanning aperture three dimensional display device
US20050280894A1 (en) * 2004-04-02 2005-12-22 David Hartkop Apparatus for creating a scanning-column backlight in a scanning aperture display device
US7573491B2 (en) * 2004-04-02 2009-08-11 David Hartkop Method for formatting images for angle-specific viewing in a scanning aperture display device
US7525541B2 (en) * 2004-04-05 2009-04-28 Actuality Systems, Inc. Data processing for three-dimensional displays
GB0410551D0 (en) 2004-05-12 2004-06-16 Ller Christian M 3d autostereoscopic display
US9030532B2 (en) * 2004-08-19 2015-05-12 Microsoft Technology Licensing, Llc Stereoscopic image display
US20060152580A1 (en) * 2005-01-07 2006-07-13 Synthosys, Llc Auto-stereoscopic volumetric imaging system and method
US20060176557A1 (en) * 2005-02-09 2006-08-10 Adrian Travis 2D/3D compatible display system
CA2844683C (en) * 2005-04-26 2016-06-28 Imax Corporation Electronic projection systems and methods
US7425070B2 (en) * 2005-05-13 2008-09-16 Microsoft Corporation Three-dimensional (3D) image projection
JP5465430B2 (ja) * 2005-06-07 2014-04-09 リアルディー インコーポレイテッド オートステレオスコピック視域の角度範囲の制御
CN101347002B (zh) 2005-12-23 2011-10-05 皇家飞利浦电子股份有限公司 背投装置和背投方法
DE102006010970A1 (de) * 2006-03-07 2007-09-20 Newsight Gmbh Verfahren und Anordnung zur räumlichen Darstellung
US20070236801A1 (en) * 2006-03-28 2007-10-11 Deep Light, Llc Time-multiplexed 3D display system with beam splitter
US20070229778A1 (en) * 2006-03-28 2007-10-04 Soohyun Cha Time-multiplexed 3D display system with seamless multiple projection
EP2014101B1 (de) 2006-04-19 2016-02-24 Setred AS Bandbreitenverbesserung für eine 3d-anzeige
JP2008107583A (ja) * 2006-10-26 2008-05-08 Sony Corp 3次元画像表示装置及びその表示方法
US7359120B1 (en) * 2006-11-10 2008-04-15 Genie Lens Technologies, Llc Manufacture of display devices with ultrathin lens arrays for viewing interlaced images
US11275242B1 (en) 2006-12-28 2022-03-15 Tipping Point Medical Images, Llc Method and apparatus for performing stereoscopic rotation of a volume on a head display unit
US10795457B2 (en) 2006-12-28 2020-10-06 D3D Technologies, Inc. Interactive 3D cursor
US11228753B1 (en) 2006-12-28 2022-01-18 Robert Edwin Douglas Method and apparatus for performing stereoscopic zooming on a head display unit
US11315307B1 (en) 2006-12-28 2022-04-26 Tipping Point Medical Images, Llc Method and apparatus for performing rotating viewpoints using a head display unit
JP2010518417A (ja) * 2007-01-03 2010-05-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 表示デバイス
US7936361B2 (en) * 2007-04-30 2011-05-03 Hewlett-Packard Development Company, L.P. System and method for masking and overlaying images in multiple projector system
GB0716776D0 (en) 2007-08-29 2007-10-10 Setred As Rendering improvement for 3D display
US7480100B1 (en) 2007-10-15 2009-01-20 Genie Lens Technologies, Llc Lenticular devices using sets of lenses to display paired sets of interlaces of images
US8542432B2 (en) * 2008-08-14 2013-09-24 Reald Inc. Autostereoscopic display system with efficient pixel layout
CN102246528B (zh) * 2008-10-14 2016-01-20 瑞尔D股份有限公司 具有偏置滤色器阵列的透镜式显示系统
CN102203661A (zh) * 2008-10-31 2011-09-28 惠普开发有限公司 图像的自动立体显示
US8199186B2 (en) 2009-03-05 2012-06-12 Microsoft Corporation Three-dimensional (3D) imaging based on motionparallax
US8284234B2 (en) 2009-03-20 2012-10-09 Absolute Imaging LLC Endoscopic imaging using reflection holographic optical element for autostereoscopic 3-D viewing
US8287127B2 (en) * 2009-04-03 2012-10-16 Seiko Epson Corporation Aerial three-dimensional image display systems
US7978407B1 (en) 2009-06-27 2011-07-12 Holovisions LLC Holovision (TM) 3D imaging with rotating light-emitting members
US8545028B2 (en) * 2009-11-20 2013-10-01 Fishco Innovation Llc Projector system for animation of image cells
JP5799535B2 (ja) * 2010-03-25 2015-10-28 セイコーエプソン株式会社 空中三次元画像を生成するシステムおよび空中三次元画像を生成する方法
CN102279514B (zh) * 2011-08-24 2013-04-10 浙江大学 基于组合屏幕的俯仰多视角悬浮式全景空间三维显示装置
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
US9678267B2 (en) 2012-05-18 2017-06-13 Reald Spark, Llc Wide angle imaging directional backlights
CN104321686B (zh) 2012-05-18 2017-04-12 瑞尔D斯帕克有限责任公司 控制定向背光源的光源
US9235057B2 (en) 2012-05-18 2016-01-12 Reald Inc. Polarization recovery in a directional display device
WO2013173786A1 (en) 2012-05-18 2013-11-21 Reald Inc. Directional backlight
TWI459037B (zh) * 2012-09-11 2014-11-01 Delta Electronics Inc 時間多工自動立體顯示系統及方法
CN105324605B (zh) 2013-02-22 2020-04-28 瑞尔D斯帕克有限责任公司 定向背光源
US9477087B2 (en) 2013-03-12 2016-10-25 3DIcon Corporation Holoform 3D projection display
EP3011734A4 (de) 2013-06-17 2017-02-22 RealD Inc. Steuerung von lichtquellen einer gerichteten rückbeleuchtung
US9739928B2 (en) 2013-10-14 2017-08-22 Reald Spark, Llc Light input for directional backlight
WO2015057625A1 (en) 2013-10-14 2015-04-23 Reald Inc. Control of directional display
US9967546B2 (en) 2013-10-29 2018-05-08 Vefxi Corporation Method and apparatus for converting 2D-images and videos to 3D for consumer, commercial and professional applications
US20150116458A1 (en) 2013-10-30 2015-04-30 Barkatech Consulting, LLC Method and apparatus for generating enhanced 3d-effects for real-time and offline appplications
US10158847B2 (en) 2014-06-19 2018-12-18 Vefxi Corporation Real—time stereo 3D and autostereoscopic 3D video and image editing
JP6962521B2 (ja) 2014-06-26 2021-11-05 リアルディー スパーク エルエルシー 指向性プライバシーディスプレイ
WO2016057690A1 (en) 2014-10-08 2016-04-14 Reald Inc. Directional backlight
WO2016105541A1 (en) 2014-12-24 2016-06-30 Reald Inc. Adjustment of perceived roundness in stereoscopic image of a head
RU2596062C1 (ru) 2015-03-20 2016-08-27 Автономная Некоммерческая Образовательная Организация Высшего Профессионального Образования "Сколковский Институт Науки И Технологий" Способ коррекции изображения глаз с использованием машинного обучения и способ машинного обучения
EP3779527B1 (de) 2015-04-13 2025-02-19 RealD Spark, LLC Direktionale hintergrundleuchten zur weitwinkelbildgebung
CN107835954A (zh) 2015-05-22 2018-03-23 弗恩基先进产品开发有限公司 发光图像投影灯及方法
US10760762B2 (en) * 2015-05-22 2020-09-01 Flex-N-Gate Advanced Product Development, Llc Lit image projection lamp and assemblies and methods to use the same to generate three-dimensional images
EP3304188B1 (de) 2015-05-27 2020-10-07 RealD Spark, LLC Direktionale hintergrundleuchten zur weitwinkelbildgebung
WO2017074951A1 (en) 2015-10-26 2017-05-04 Reald Inc. Intelligent privacy system, apparatus, and method thereof
WO2017083526A1 (en) 2015-11-10 2017-05-18 Reald Inc. Distortion matching polarization conversion systems and methods thereof
EP4293417A3 (de) 2015-11-13 2024-01-24 RealD Spark, LLC Oberflächeneigenschaften für gerichtete hintergrundlichter in der bildgebung
WO2017083041A1 (en) 2015-11-13 2017-05-18 Reald Inc. Wide angle imaging directional backlights
CN114143495A (zh) 2016-01-05 2022-03-04 瑞尔D斯帕克有限责任公司 多视角图像的注视校正
TWI591385B (zh) * 2016-03-31 2017-07-11 台達電子工業股份有限公司 立體顯示裝置
EP3458897B1 (de) 2016-05-19 2025-04-02 RealD Spark, LLC Direktionale hintergrundleuchten zur weitwinkelbildgebung
US10425635B2 (en) 2016-05-23 2019-09-24 Reald Spark, Llc Wide angle imaging directional backlights
DE102016113669A1 (de) * 2016-07-25 2018-01-25 Osram Opto Semiconductors Gmbh Verfahren zur autostereoskopischen Bildgebung und autostereoskopische Beleuchtungseinheit
US10401638B2 (en) 2017-01-04 2019-09-03 Reald Spark, Llc Optical stack for imaging directional backlights
EP3607387A4 (de) 2017-04-03 2020-11-25 RealD Spark, LLC Segmentierte direktionale bildgebungsrückbeleuchtung
CN107340602A (zh) * 2017-06-09 2017-11-10 利亚德光电股份有限公司 3d显示装置和方法
WO2019032604A1 (en) 2017-08-08 2019-02-14 Reald Spark, Llc ADJUSTING A DIGITAL REPRESENTATION OF A HEADQUARTERS
US11115647B2 (en) 2017-11-06 2021-09-07 Reald Spark, Llc Privacy display apparatus
US10851962B2 (en) 2017-12-12 2020-12-01 Flex-N-Gate Advanced Product Development, Llc Backlit 3D lamp
CA3089477A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Touch screen for privacy display
EP4214441A4 (de) 2020-09-16 2024-08-28 RealD Spark, LLC Fahrzeugaussenbeleuchtungsvorrichtung
EP4396624A4 (de) * 2021-08-31 2024-12-25 Spectralics Ltd. Dynamische parallele monokularprojektion
US12181690B2 (en) 2022-07-06 2024-12-31 Lumenco, Llc Micro-optic anticounterfeiting elements for currency and other items using virtual lens systems
WO2024030274A1 (en) 2022-08-02 2024-02-08 Reald Spark, Llc Pupil tracking near-eye display

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853769A (en) 1987-06-16 1989-08-01 Massachusetts Institute Of Technology Time multiplexed auto-stereoscopic three-dimensional imaging system
GB8716369D0 (en) 1987-07-10 1987-08-19 Travis A R L Three-dimensional display device
US4799739A (en) 1987-08-10 1989-01-24 Advanced Dimensional Displays, Inc. Real time autostereoscopic displays using holographic diffusers
US5223925A (en) 1990-10-28 1993-06-29 Tomohiko Hattori Autostereoscopic system
US5283640A (en) 1992-01-31 1994-02-01 Tilton Homer B Three dimensional television camera system based on a spatial depth signal and receiver system therefor
GB2267579A (en) 1992-05-15 1993-12-08 Sharp Kk Optical device comprising facing lenticular or parallax screens of different pitch
WO1994010805A1 (en) 1992-11-05 1994-05-11 Perceptual Images Three dimensional imaging system using shutter and back to back lenticular screen
GB2272555A (en) 1992-11-11 1994-05-18 Sharp Kk Stereoscopic display using a light modulator
US5495576A (en) 1993-01-11 1996-02-27 Ritchey; Kurtis J. Panoramic image based virtual reality/telepresence audio-visual system and method
US5521724A (en) 1993-11-15 1996-05-28 Shires; Mark R. Real-time automultiscopic 3D video display using holographic optical elements (HOEs)
US5614941A (en) 1993-11-24 1997-03-25 Hines; Stephen P. Multi-image autostereoscopic imaging system
US5430474A (en) 1993-11-24 1995-07-04 Hines; Stephen P. Autostereoscopic imaging system
EP1209508B1 (de) * 1993-12-01 2004-10-27 Sharp Kabushiki Kaisha Display für dreidimensionale Bilder
JPH07159723A (ja) 1993-12-03 1995-06-23 Terumo Corp 立体画像表示装置
US5543964A (en) * 1993-12-28 1996-08-06 Eastman Kodak Company Depth image apparatus and method with angularly changing display information
GB2302978A (en) * 1995-07-04 1997-02-05 Sharp Kk LIquid crystal device
US5825540A (en) * 1996-04-22 1998-10-20 Raytheon Company Autostereoscopic display and method
JP2846856B2 (ja) * 1996-07-19 1999-01-13 三洋電機株式会社 立体映像表示装置
US5993003A (en) * 1997-03-27 1999-11-30 Litton Systems, Inc. Autostereo projection system
ATE273598T1 (de) * 1997-03-27 2004-08-15 Litton Systems Inc Autostereoskopisches projektionssystem

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EP0970589B1 (de) 2004-08-11
US6481849B2 (en) 2002-11-19
EP0970589A1 (de) 2000-01-12
US20010005261A1 (en) 2001-06-28
KR20010005726A (ko) 2001-01-15
KR100520699B1 (ko) 2005-10-12
JP2001519126A (ja) 2001-10-16
AU739910B2 (en) 2001-10-25
CA2284915A1 (en) 1998-10-01
DE69825572T2 (de) 2005-08-04
DE69825572D1 (de) 2004-09-16
AU8937998A (en) 1998-10-20
WO1998043441A1 (en) 1998-10-01
CA2284915C (en) 2005-08-23
US6224214B1 (en) 2001-05-01

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