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DE4038552A1 - Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer - Google Patents

Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer

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Publication number
DE4038552A1
DE4038552A1 DE19904038552 DE4038552A DE4038552A1 DE 4038552 A1 DE4038552 A1 DE 4038552A1 DE 19904038552 DE19904038552 DE 19904038552 DE 4038552 A DE4038552 A DE 4038552A DE 4038552 A1 DE4038552 A1 DE 4038552A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
successive
images
partial
layers
observer
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19904038552
Other languages
German (de)
Inventor
Ernst Guenter Montanus
Original Assignee
Ernst Guenter Montanus
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

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic or multiview television systems; Details thereof
    • H04N13/04Picture reproducers
    • H04N13/0488Volumetric display, i.e. systems where the image is built up from picture elements distributed over a volume
    • H04N13/0495Volumetric display, i.e. systems where the image is built up from picture elements distributed over a volume with depth sampling, i.e. the volume being constructed from a stack or sequence of 2D image planes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/22Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects
    • G02B27/2264Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects involving time multiplexing, e.g. using sequentially activated left and right shutters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/22Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects
    • G02B27/2271Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects the image being built up from image elements distributed over a three dimensional volume, e.g. by scanning the volume with modulated beams of radiation
    • G02B27/2278Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects the image being built up from image elements distributed over a three dimensional volume, e.g. by scanning the volume with modulated beams of radiation the volume being constructed from a stack or sequence of two dimensional planes, e.g. depth sampling systems
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B35/00Stereoscopic photography
    • G03B35/16Stereoscopic photography by sequential viewing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Miscellaneous advertising or display means not provided for elsewhere
    • G09F19/12Miscellaneous advertising or display means not provided for elsewhere using special optical effects
    • G09F19/18Miscellaneous advertising or display means not provided for elsewhere using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Abstract

The three-dimensional imaging system uses a number of differing partial images provided in successive projection layers lying at different distances from the observer. The partial images are directed onto the successive in a rapid sequence, so that they appear simultaneous to the observer, to provide an overall image. Pref. the successive partial images are provided by nematic or ferromagnetic liquid crystal layers, allowing transparency of the layers which are not being utilised. ADVANTAGE - Simple three-dimensional imaging system.

Description

Die Erzeugung räumlicher Abbildungen ist bereits durch verschiedene Vorschläge bekannt gemacht worden. The generation of spatial images has already been made known by various proposals. Entweder wird hierbei von der getrennten Abbildung der für räumliches Sehen erforderlichen unterschiedlichen Teilbilder in den Augen des Betrachters ausgegangen oder es sollen unterschiedliche Teilbilder für Vorder- und Hintergrund durch schnelle mechanische Bewegung der Projektionsfläche in Betrachterrichtung nacheinander erzeugt werden, die durch Ausnutzung der Augenträgheit zu einem räumlichen Bildeindruck verschmelzen. Either is hereby assumed that the separate imaging required for stereoscopic vision different partial images in the viewer's eyes or are to be generated sequentially different partial images of the foreground and background by fast mechanical movement of the screen in the viewer direction, the spatial by utilizing the persistence of vision to a image impression merge.

Die Erfindung geht demgegenüber von mehreren fest hintereinander angeordneten Projektionsflächen aus, auf die Schichtbilder einer bestimmten räumlichen Distanz in schnellem Wechsel nacheinander projiziert werden. In contrast, the invention starts from a plurality of fixed projection surfaces arranged one behind another, are projected onto the layer images of a certain spatial distance in rapid succession one after another. Hierbei bleiben die nicht zur momentanen Teilabbildung herangezogenen Projektionsflächen lichtdurchlässig, also für die Zeit der dahinter erfolgenden Abbildung durchsichtig. Here, the not grown to the current partial image projection remain transparent, so for the time of taking place behind picture transparent. Die hierfür erforderliche technische Ausgestaltung wird durch hinreichend dünne Schichten aus nematischen Kristallen (LCD) erreicht, wobei in Multiplex-Ansteuerung die Bildpunkte in der jeweiligen Projektionsfläche selbst erzeugt werden. The necessary technical configuration is achieved by sufficiently thin layers of nematic crystals (LCD), the pixels are generated in the respective projection even in multiplex driving. Die für den Bewegungseindruck über mehrere hintereinander geschaltete größere Bildflächen erforderliche Schaltgeschwindigkeit wird ferromagnetische statt der bisher üblichen nematischen Flüssigkristalle erfordern. Required for the impression of movement on several successive screens larger switching speed will require ferromagnetic instead of the usual nematic liquid crystals. Zur Erzeugung des räumlichen Bildeindrucks selbst reichen 2-3 hintereinander in einer Distanz von ca. 1/50 der Flächenbreite stehende Kristallflächen aus. To generate the spatial image impression even rich 2-3 behind the other at a distance of approximately 1/50 of the surface width standing crystal surfaces.

Claims (3)

  1. 1. Verfahren zur Erzeugung räumlicher Abbildungen durch alternierende Teilbilder auf mehreren Projektionsflächen mit unterschiedlicher Distanz zum Betrachter, dadurch gekennzeichnet, daß die Abbildung auf mehreren Projektionsschichten in unterschiedlicher Distanz vom Betrachter erfolgt. 1. A method for generating spatial images by alternating partial images on a plurality of projection having a different distance from the viewer, characterized in that the mapping is carried out on a plurality of projection layers in different distances from the viewer.
  2. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Abbildung in einem so schnellen Wechsel auf diesen Projektionsschichten erfolgt, daß für den Betrachter mit Rücksicht auf die bekannte Augenträgheit ein als gleichzeitig angesehenes Gesamtbild entsteht. 2. The method of claim 1, characterized in that the mapping is done in such a rapid change in these projection layers that, for the viewer with respect to the known persistence of vision as a respected at the same overall picture.
  3. 3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Teilbilderzeugung und die erforderliche zeitweilige Durchlässigkeit der nicht zur momentanen Teilabbildung herangezogenen Projektionsschichten durch die Verwendung von nematischen oder ferromagnetischen Flüssigkristallen erfolgt. 3. The method according to claim 1 and 2, characterized in that the partial image formation and the required temporary permeability of not grown to the current submap projection layers is carried out by the use of nematic liquid crystals or ferromagnetic.
DE19904038552 1990-12-04 1990-12-04 Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer Withdrawn DE4038552A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904038552 DE4038552A1 (en) 1990-12-04 1990-12-04 Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904038552 DE4038552A1 (en) 1990-12-04 1990-12-04 Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer

Publications (1)

Publication Number Publication Date
DE4038552A1 true true DE4038552A1 (en) 1992-06-11

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DE19904038552 Withdrawn DE4038552A1 (en) 1990-12-04 1990-12-04 Three=dimensional imaging system - uses successive partial images provided in projection layers at differing distances from observer

Country Status (1)

Country Link
DE (1) DE4038552A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501155A1 (en) * 1995-01-08 1996-07-18 Norbert Dipl Ing Seebeck Three=dimensional image display on LCD screen
WO1996027992A2 (en) * 1995-03-08 1996-09-12 Philips Electronics N.V. Three-dimensional image display system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891305A (en) * 1973-05-08 1975-06-24 Lester Fader Apparatus for simulating a three-dimensional image by use of plural image producing surfaces
US4294516A (en) * 1978-09-11 1981-10-13 Brooks Philip A Moving picture apparatus
DE3419098A1 (en) * 1984-05-23 1985-11-28 Hartmut Dr Bartelt Screen for spatial three-dimensional representation of images, graphics and other data
DE3445973A1 (en) * 1984-12-17 1986-06-19 Philips Patentverwaltung Arrangement for forming an image
US4647966A (en) * 1985-11-22 1987-03-03 The United States Of America As Represented By The Secretary Of The Navy Stereoscopic three dimensional large screen liquid crystal display
DE3636059A1 (en) * 1986-10-23 1988-04-28 Standard Elektrik Lorenz Ag Image display device comprising a picture tube and method for manufacturing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891305A (en) * 1973-05-08 1975-06-24 Lester Fader Apparatus for simulating a three-dimensional image by use of plural image producing surfaces
US4294516A (en) * 1978-09-11 1981-10-13 Brooks Philip A Moving picture apparatus
DE3419098A1 (en) * 1984-05-23 1985-11-28 Hartmut Dr Bartelt Screen for spatial three-dimensional representation of images, graphics and other data
DE3445973A1 (en) * 1984-12-17 1986-06-19 Philips Patentverwaltung Arrangement for forming an image
US4647966A (en) * 1985-11-22 1987-03-03 The United States Of America As Represented By The Secretary Of The Navy Stereoscopic three dimensional large screen liquid crystal display
DE3636059A1 (en) * 1986-10-23 1988-04-28 Standard Elektrik Lorenz Ag Image display device comprising a picture tube and method for manufacturing

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
54-4155 E-95, March 6, 1979, Vol. 3/No.26 *
61-107218 A. P-502, Sept.30, 1986, Vol.10/No.288 *
62-191824 A. P-664, Feb. 9, 1988, Vol.12/No.43 *
63-274919 A. P-838, March 6, 1989, Vol.13/No.93 *
DALLAS, William J.: Correlelogram stereo display: computer simulations. In: APPLIED OPTICS, Vol.26, No.22, 15.Nov.1987, S.4893-4896 *
MIYSHITA, Tetsuya: FLAT-PANEL DIRECT-VIEW STEREOSCOPIC DISPLAY USING LIQUID- CRYSTAL CELLS. In: Proceedings of the SID, Vol. 28/4, 1987, S.391-395 *
Patents Abstracts of Japan: 2 -90127 A. P-1066, June 25, 1990, Vol.14/No.293 *
UCHIDA, Tasuo *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501155A1 (en) * 1995-01-08 1996-07-18 Norbert Dipl Ing Seebeck Three=dimensional image display on LCD screen
WO1996027992A2 (en) * 1995-03-08 1996-09-12 Philips Electronics N.V. Three-dimensional image display system
WO1996027992A3 (en) * 1995-03-08 1996-11-21 Philips Electronics Nv Three-dimensional image display system

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