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WO1993019394A3 - Twin screen imaging system - Google Patents

Twin screen imaging system Download PDF

Info

Publication number
WO1993019394A3
WO1993019394A3 PCT/GB1993/000590 GB9300590W WO9319394A3 WO 1993019394 A3 WO1993019394 A3 WO 1993019394A3 GB 9300590 W GB9300590 W GB 9300590W WO 9319394 A3 WO9319394 A3 WO 9319394A3
Authority
WO
WIPO (PCT)
Prior art keywords
decoder
screens
screen
wholly
image
Prior art date
Application number
PCT/GB1993/000590
Other languages
French (fr)
Other versions
WO1993019394A2 (en
Inventor
James Amachi Ashbey
Original Assignee
Delta System Design Ltd
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 Delta System Design Ltd filed Critical Delta System Design Ltd
Priority to BR9306129A priority Critical patent/BR9306129A/en
Priority to EP93906727A priority patent/EP0724744A1/en
Priority to JP5516390A priority patent/JPH07504766A/en
Publication of WO1993019394A2 publication Critical patent/WO1993019394A2/en
Publication of WO1993019394A3 publication Critical patent/WO1993019394A3/en
Priority to KR1019940703267A priority patent/KR950701083A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
    • 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
    • G02B30/26—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 autostereoscopic type
    • G02B30/27—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 autostereoscopic type involving lenticular arrays
    • 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
    • G02B30/26—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 autostereoscopic type
    • G02B30/30—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 autostereoscopic type involving parallax barriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/346—Image reproducers using prisms or semi-transparent mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/363—Image reproducers using image projection screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/388—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume
    • H04N13/395—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume with depth sampling, i.e. the volume being constructed from a stack or sequence of 2D image planes

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)
  • Endoscopes (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Cameras In General (AREA)

Abstract

A three-dimensional imaging system comprises two image screens, for example, television monitor screens (40, 42), arranged perpendicular to one another. A beamsplitter (46), in this case a half-silvered mirror, is positioned between the two image screens (40 and 42) so as to direct both images to the same viewing location. A decoder screen (40a, 42a) is positioned between each decoder screen (40, 42) and the beamsplitter (46). Each decoder screen (40a, 42a) comprises a substrate onto which are secured, edge-to-edge, a plurality of elongate, parallel lenticular elements. The substrate is provided with a plurality of clean and opaque areas such that the decoder screen defines a plurality of alternating viewing positions at which the screen appears either wholly opaque or wholly clear. The two decoder screens (40a, 42a) are so arranged that the viewing positions at which one screen appears wholly opaque coincide with the positions at which the other decoder screen appears wholly clear. Then, when two images forming a stereoscopic pair are displayed on the two image screens (40, 42), a viewer positioned with one eye at each of two adjacent viewing positions defined by the decoder screens (40a, 42a) will see a three-dimensional image without the need for special glasses.
PCT/GB1993/000590 1992-03-20 1993-03-22 Twin screen imaging system WO1993019394A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR9306129A BR9306129A (en) 1992-03-20 1993-03-22 Twin screens image formation system
EP93906727A EP0724744A1 (en) 1992-03-20 1993-03-22 Twin screen imaging system
JP5516390A JPH07504766A (en) 1992-03-20 1993-03-22 Image forming system with two sets of screens
KR1019940703267A KR950701083A (en) 1992-03-20 1994-09-17 Twin screen imaging system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9206048.2 1992-03-20
GB929206048A GB9206048D0 (en) 1992-03-20 1992-03-20 Twin screen raster lenticular hybrid

Publications (2)

Publication Number Publication Date
WO1993019394A2 WO1993019394A2 (en) 1993-09-30
WO1993019394A3 true WO1993019394A3 (en) 1993-10-28

Family

ID=10712481

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/000590 WO1993019394A2 (en) 1992-03-20 1993-03-22 Twin screen imaging system

Country Status (8)

Country Link
EP (1) EP0724744A1 (en)
JP (1) JPH07504766A (en)
KR (1) KR950701083A (en)
AU (1) AU3762793A (en)
BR (1) BR9306129A (en)
CA (1) CA2132453A1 (en)
GB (1) GB9206048D0 (en)
WO (1) WO1993019394A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69323846T2 (en) * 1992-12-17 1999-08-26 Sharp K.K. Autostereoscopic display device
GB2284068A (en) * 1993-11-12 1995-05-24 Sharp Kk Three-dimensional projection display apparatus
US5774261A (en) * 1993-11-19 1998-06-30 Terumo Kabushiki Kaisha Image display system
GB2294350A (en) * 1994-10-21 1996-04-24 Sharp Kk Light source and display
EP0656555B1 (en) * 1993-12-01 2003-03-19 Sharp Kabushiki Kaisha Display for 3D images
EP0656730B1 (en) * 1993-12-03 2000-04-26 Terumo Kabushiki Kaisha Stereoscopic image display system
JPH07222204A (en) * 1994-02-07 1995-08-18 Terumo Corp Stereoscopic image display device
JPH07226957A (en) * 1994-02-09 1995-08-22 Terumo Corp Stereoscopic picture communication equipment
JPH07222866A (en) * 1994-02-09 1995-08-22 Terumo Corp Stereoscopic image game machine
AU661959B3 (en) * 1994-03-17 1995-08-10 Jack Newman Stereoscopic camera device
US6011580A (en) * 1994-06-07 2000-01-04 Terumo Kabushiki Kaisha Image display apparatus
DE19506648C2 (en) * 1995-02-25 1998-08-06 Lueder Ernst Method and device for the autostereoscopic display of three-dimensional structures
WO1996027145A1 (en) * 1995-02-27 1996-09-06 HEINRICH-HERTZ-INSTITUT FüR NACHRICHTENTECHNIK BERLIN GMBH Autostereoscopic video terminal
US5825540A (en) * 1996-04-22 1998-10-20 Raytheon Company Autostereoscopic display and method
US6525699B1 (en) * 1998-05-21 2003-02-25 Nippon Telegraph And Telephone Corporation Three-dimensional representation method and an apparatus thereof
TW201126204A (en) * 2010-01-25 2011-08-01 J Touch Corp Three-dimensional video imaging device
CN102147533A (en) * 2010-02-10 2011-08-10 介面光电股份有限公司 Stereoscopic image imaging device
WO2013031819A1 (en) * 2011-08-30 2013-03-07 株式会社 スピン Image projection device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807965A (en) * 1987-05-26 1989-02-28 Garakani Reza G Apparatus for three-dimensional viewing
WO1992003021A1 (en) * 1990-08-01 1992-02-20 Delta System Design Limited Imaging systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807965A (en) * 1987-05-26 1989-02-28 Garakani Reza G Apparatus for three-dimensional viewing
WO1992003021A1 (en) * 1990-08-01 1992-02-20 Delta System Design Limited Imaging systems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BOERNER R.: "AUTOSTEREOSKOPISCHE 3D-SYSTEME MIT ZWISCHENBILDERN IN LINSENRASTERGROSSBILDSCHIRMEN. \TEIL 2: LINSENRASTERBILDSCHIRM UND AUFNAHME- UND PROJEKTIONSGERAET FUER AUTOSTEREOSKOPISCHE (BRILLENLOSE) 3D-BILDWIEDERGABE.", FKT FERNSEH UND KINOTECHNIK., FACHVERLAG SCHIELE & SCHON GMBH., BERLIN., DE, vol. 44., no. 11., 1 January 1990 (1990-01-01), DE, pages 628 - 630 + 632, XP000172946, ISSN: 1430-9947 *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 297 (E-444)9 October 1986 *

Also Published As

Publication number Publication date
JPH07504766A (en) 1995-05-25
AU3762793A (en) 1993-10-21
GB9206048D0 (en) 1992-05-06
EP0724744A1 (en) 1996-08-07
BR9306129A (en) 1998-01-13
WO1993019394A2 (en) 1993-09-30
KR950701083A (en) 1995-02-20
CA2132453A1 (en) 1993-09-30

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