WO2001096907A3 - Digital projection equipment and techniques - Google Patents

Digital projection equipment and techniques Download PDF

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Publication number
WO2001096907A3
WO2001096907A3 PCT/US2001/010525 US0110525W WO0196907A3 WO 2001096907 A3 WO2001096907 A3 WO 2001096907A3 US 0110525 W US0110525 W US 0110525W WO 0196907 A3 WO0196907 A3 WO 0196907A3
Authority
WO
WIPO (PCT)
Prior art keywords
images
techniques
projection equipment
digital projection
tiling
Prior art date
Application number
PCT/US2001/010525
Other languages
French (fr)
Other versions
WO2001096907A2 (en
Inventor
Michael Gibbon
Samuel Z Zhou
Sean Adkins
Sergei G Anikitchev
Steven Read
Graham H Moss
Dermot J Quinn
Steven Wilding
Brian Eckersley
Original Assignee
Imax Corp
Michael Gibbon
Samuel Z Zhou
Sean Adkins
Sergei G Anikitchev
Steven Read
Graham H Moss
Dermot J Quinn
Steven Wilding
Brian Eckersley
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 GB0007891A external-priority patent/GB0007891D0/en
Application filed by Imax Corp, Michael Gibbon, Samuel Z Zhou, Sean Adkins, Sergei G Anikitchev, Steven Read, Graham H Moss, Dermot J Quinn, Steven Wilding, Brian Eckersley filed Critical Imax Corp
Priority to EP01977061A priority Critical patent/EP1210649B1/en
Priority to CA002376411A priority patent/CA2376411C/en
Priority to DE60144134T priority patent/DE60144134D1/en
Priority to JP2002510977A priority patent/JP2004503809A/en
Priority to AT01977061T priority patent/ATE500534T1/en
Priority to US09/980,068 priority patent/US7224411B2/en
Publication of WO2001096907A2 publication Critical patent/WO2001096907A2/en
Publication of WO2001096907A3 publication Critical patent/WO2001096907A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1066—Beam splitting or combining systems for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural light sources
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining

Abstract

An apparatus and technique for enhancing characteristics of electronic projection systems. Techniques may include both superimposition of sub-images and tiling of superimposed images, the combination of which can be advantageous in improving resolution of projected images. The apparatus may include first and second SLA sets (1, 2) for forming the sub-images and a pyramid prism (10) for enacting the tiling of images. Pre-modulators and polarizing beam splitters (6, 7, 8) also may be used as parts of the system.
PCT/US2001/010525 2000-03-31 2001-03-30 Digital projection equipment and techniques WO2001096907A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP01977061A EP1210649B1 (en) 2000-03-31 2001-03-30 Digital projection equipment and techniques
CA002376411A CA2376411C (en) 2000-03-31 2001-03-30 Digital projection equipment and techniques
DE60144134T DE60144134D1 (en) 2000-03-31 2001-03-30 EQUIPMENT AND TECHNIQUES FOR DIGITAL PROJECTION
JP2002510977A JP2004503809A (en) 2000-03-31 2001-03-30 Digital projection apparatus and method
AT01977061T ATE500534T1 (en) 2000-03-31 2001-03-30 EQUIPMENT AND TECHNIQUES FOR DIGITAL PROJECTION
US09/980,068 US7224411B2 (en) 2000-03-31 2001-05-30 Digital projection equipment and techniques

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0007891A GB0007891D0 (en) 2000-03-31 2000-03-31 Edge masking
GB0007891.5 2000-03-31
US21571500P 2000-07-03 2000-07-03
US60/215,715 2000-07-03

Publications (2)

Publication Number Publication Date
WO2001096907A2 WO2001096907A2 (en) 2001-12-20
WO2001096907A3 true WO2001096907A3 (en) 2002-04-04

Family

ID=26244010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/010525 WO2001096907A2 (en) 2000-03-31 2001-03-30 Digital projection equipment and techniques

Country Status (5)

Country Link
US (1) US7224411B2 (en)
EP (2) EP1210649B1 (en)
JP (2) JP2004503809A (en)
CA (1) CA2376411C (en)
WO (1) WO2001096907A2 (en)

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US20030063226A1 (en) 2003-04-03
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