WO2005054906A3 - Improved collimating optical member for real world simulation - Google Patents

Improved collimating optical member for real world simulation Download PDF

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Publication number
WO2005054906A3
WO2005054906A3 PCT/US2004/039458 US2004039458W WO2005054906A3 WO 2005054906 A3 WO2005054906 A3 WO 2005054906A3 US 2004039458 W US2004039458 W US 2004039458W WO 2005054906 A3 WO2005054906 A3 WO 2005054906A3
Authority
WO
WIPO (PCT)
Prior art keywords
quarter
wave plate
polarizer
adjacent
linear polarizer
Prior art date
Application number
PCT/US2004/039458
Other languages
French (fr)
Other versions
WO2005054906B1 (en
WO2005054906A2 (en
Inventor
Frank Ruhle
Paul Weissman
Original Assignee
Ruhle Companies Inc
Frank Ruhle
Paul Weissman
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 Ruhle Companies Inc, Frank Ruhle, Paul Weissman filed Critical Ruhle Companies Inc
Priority to JP2006541687A priority Critical patent/JP2007512581A/en
Priority to CA002546832A priority patent/CA2546832A1/en
Priority to EP04812057A priority patent/EP1690127A4/en
Priority to US10/580,362 priority patent/US8305690B2/en
Publication of WO2005054906A2 publication Critical patent/WO2005054906A2/en
Publication of WO2005054906A3 publication Critical patent/WO2005054906A3/en
Publication of WO2005054906B1 publication Critical patent/WO2005054906B1/en

Links

Classifications

    • 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
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements

Abstract

A collimating image-forming apparatus comprising a first linear polarizer is disclosed. A first quarter­wave plate (14) is disposed adjacent the first polarizer (12) and has its fast and slow axes at substantially 45° to the plane of polarization of the first polarizer. The apparatus further comprises a beam-splitting curved mirror (16) having a convex surface adjacent the first polarizer and facing towards the first quarter-wave plate, a second quarter-wave plate (22) adjacent the concave side of the curved mirror, the second quarter­wave plate having its having its fast and slow axes oriented with respect to the corresponding axes of the first quarter-wave plate at angles substantially equal to a first integral multiple of 90°, and a reflective-transmissive polarizing member (24) adjacent the second quarter-wave plate. A second linear polarizer (26) is adjacent the reflective-transmissive polarizing member, the second linear polarizer having its plane of polarization oriented with respect to the plane of polarization of the first linear polarizer at an angle substantially equal to a second integral multiple of 90°, both of the multiples being even or both being odd.
PCT/US2004/039458 2002-11-27 2004-11-24 Improved collimating optical member for real world simulation WO2005054906A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006541687A JP2007512581A (en) 2003-11-26 2004-11-24 Improved collimating optics for real-world simulation
CA002546832A CA2546832A1 (en) 2003-11-26 2004-11-24 Improved collimating optical member for real world simulation
EP04812057A EP1690127A4 (en) 2003-11-26 2004-11-24 Improved collimating optical member for real world simulation
US10/580,362 US8305690B2 (en) 2002-11-27 2004-11-24 Collimating optical member for real world simulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/723,395 US6853491B1 (en) 2003-11-26 2003-11-26 Collimating optical member for real world simulation
US10/723,395 2003-11-26

Publications (3)

Publication Number Publication Date
WO2005054906A2 WO2005054906A2 (en) 2005-06-16
WO2005054906A3 true WO2005054906A3 (en) 2005-09-15
WO2005054906B1 WO2005054906B1 (en) 2005-11-24

Family

ID=34104830

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/039458 WO2005054906A2 (en) 2002-11-27 2004-11-24 Improved collimating optical member for real world simulation

Country Status (6)

Country Link
US (3) US6853491B1 (en)
EP (1) EP1690127A4 (en)
JP (1) JP2007512581A (en)
CN (1) CN1930511A (en)
CA (1) CA2546832A1 (en)
WO (1) WO2005054906A2 (en)

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EP1690127A2 (en) 2006-08-16
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US20070070508A1 (en) 2007-03-29
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US8305690B2 (en) 2012-11-06
US6853491B1 (en) 2005-02-08
WO2005054906B1 (en) 2005-11-24
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CA2546832A1 (en) 2005-06-16
CN1930511A (en) 2007-03-14

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