FR2737586A1 - Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used - Google Patents

Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used Download PDF

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Publication number
FR2737586A1
FR2737586A1 FR9509556A FR9509556A FR2737586A1 FR 2737586 A1 FR2737586 A1 FR 2737586A1 FR 9509556 A FR9509556 A FR 9509556A FR 9509556 A FR9509556 A FR 9509556A FR 2737586 A1 FR2737586 A1 FR 2737586A1
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Prior art keywords
cameras
screen
central
film
degree
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Pending
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FR9509556A
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French (fr)
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ALES SERGE
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ALES SERGE
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Priority to FR9509556A priority Critical patent/FR2737586A1/en
Publication of FR2737586A1 publication Critical patent/FR2737586A1/en
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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto

Abstract

The image projection device creates 3-dimensional holographic displays and has a set of three cameras which directly project onto an image area and a further two cameras which are spaced 45 degrees apart. One of the set of three cameras has the left of its image blanked off, a second has the right half of its image blanked off and the third camera image is not obscured. The other two cameras have their left and right halves blanked respectively. The resultant hologram can be viewed by inversion on a TV screen with the cathode ray tube 90 degree polarised and using a semi-hemispherical film screen with 90 degree polarised spectacles.

Description

CINÉMA ET TÉLÉVISION HOLOGRAPHIQUE
La présente invention concerne un dispositif pour filmer, et projeter des films aux reliefs holographiques.
CINEMA AND HOLOGRAPHIC TELEVISION
The present invention relates to a device for filming and projecting films with holographic reliefs.

Le cinéma en relief existant déjà est vu par des lunettes bi-polarisées à 45 et 1350 ceci créant des troubles d'ordre neurologiques.The already existing relief cinema is seen by bi-polarized glasses at 45 and 1350 this creating neurological disorders.

Le dispositif selon l'invention permet de remédier à cet inconvénient.The device according to the invention overcomes this drawback.

n comporte en effet selon une première caractéristique des lunettes polarisées à 900 (le champ de vision étant de 1800 divisé par le nombre d'yeux) pour le cinéma. 900 étant la polarité du tube cathodique pour la télévision.n indeed has, according to a first characteristic, glasses polarized at 900 (the field of vision being 1800 divided by the number of eyes) for the cinema. 900 being the polarity of the cathode ray tube for television.

n comporte comme seconde caractéristique: S caméras à lentilles polarisées à 900 depuis le centre de la lentille. n has as a second characteristic: S cameras with lenses polarized at 900 from the center of the lens.

n comporte comme troisième caractéristique 4 obturateurs d'objectifs de la moitié verticale (900) des lentilles de pnses de vue. n comprises as a third characteristic 4 lens shutters of the vertical half (900) of the viewing lenses.

n comporte comme quatrième caractéristique les angles de dispositions des caméras de prises de vues qui sont: 3 caméras centrales, dont deux avec obturateurs d'objectifs, ce qui crée une demi image gauche + une demi image droite + une image entière.n has as a fourth characteristic the angles of arrangement of the shooting cameras which are: 3 central cameras, two of which with lens shutters, which creates a half left image + a half right image + an entire image.

2 caméras aussi avec obturateur d'objectifs (même principe gauche droite ce qui crée une demi image gauche + une demi image droite située à 450 des caméras centrales et filmant avec des lentilles polarisées à 900. 2 cameras also with lens shutter (same principle left right which creates a half left image + a half right image located at 450 from the central cameras and filming with polarized lenses at 900.

ll comporte comme cinquième caractéristique, de régler la même profondeur de champ pour les 5 campas qui sont aussi synchronisées en temps et mouvements. As a fifth characteristic, it includes setting the same depth of field for the 5 campas which are also synchronized in time and movement.

n comporte comme sixième caractéristique lors de la projection d'inverser les angles de disposition des appareils de projection de la manière suivante:
La caméra sans obturateurs d'objectifs reste centrale.
n includes the sixth characteristic during projection of reversing the angles of arrangement of projection devices in the following manner:
The camera without lens shutters remains central.

Les deux caméras centrales avec obturateurs d'objectifs se placent à 450 (angle de disposition) à gauche et à droite de la caméra centrale.The two central cameras with lens shutters are placed at 450 (layout angle) to the left and right of the central camera.

Les 2 caméras qui étaient à 450 (angle de disposition) des 3 caméras centrales s'inversent respectivement l'une à la place de l'autre et deviennent appareils de projection.The 2 cameras which were at 450 (angle of arrangement) of the 3 central cameras respectively reverse one in place of the other and become projection devices.

n comporte comme septième caractéristique d'adapter: pour le cinéma : un écran semi hémisphérique pour la télévision: c'est le tube cathodique qui doit être polarisé à 900. n has as its seventh characteristic to adapt: for the cinema: a semi-hemispherical screen for television: it is the cathode ray tube which must be polarized at 900.

Claims (5)

REVENDICATIONS 1) Dispositif pour filmer et projeter un film au relief holographique1) Device for filming and projecting a film with holographic relief caractérisé en ce que 5 caméras sont nécessaires pour la mise sur pellicule characterized in that 5 cameras are required for filming et sont séparées par des angles à 90" (perpendiculaires) de la scène and are separated by 90 "angles (perpendicular) from the scene et des angles à 450 de la perpendiculaire pour recréer le relief par and angles at 450 from the perpendicular to recreate the relief by superposition d'images et possèdent des lentilles polarisées à 900. (Schéma 1) overlay of images and have 900 polarized lenses. (Diagram 1) 2) Dispositif selon la revendication 1 caractérisée en ce que les 32) Device according to claim 1 characterized in that the 3 premières caméras sont en angle à 90" (perpendiculaires) de la first cameras are angled 90 "(perpendicular) from the scène à filmer et que sur ces 3 caméras, 2 possèdent un obturateur scene to film and that on these 3 cameras, 2 have a shutter d'objectif de la moitié verticale (gauche et droite) et une caméra sans vertical half lens (left and right) and a camera without obturateur d'objectif lors des prises de vues. (Schéma 2) lens shutter when shooting. (Diagram 2) 3) Dispositif selon la revendication 2 caractérisée en ce qui concerne3) Device according to claim 2 characterized with regard to les 4ème et 5ème caméras possèdent aussi un obturateur d'objectif the 4th and 5th cameras also have a lens shutter (suivant le même principe que les caméras centrales) et sont placées (following the same principle as the central cameras) and are placed à 450 des caméras centrales. to 450 from the central cameras. et 900 de polarité devient appareil de projection et reste centrale. and 900 of polarity becomes a projection device and remains central. la caméra centrale sans obturateur d'objectif (1800 d'angle de prises de vue) the central camera without lens shutter (1800 angle of view) appareils de projection sont replacés de la manière suivante: projection devices are replaced as follows: projection à la télévision ou en salle de projection pour le cinéma, les projection on television or in the projection room for cinema, et ont la même profondeur de champs. (Schéma 3) and have the same depth of field. (Diagram 3) 4) Dispositif selon la revendication 3 caractérisée en ce que lors de la4) Device according to claim 3 characterized in that during the Les cinq caméras qui sont aussi synchronisées en temps et mouvements The five cameras which are also synchronized in time and movement appareils de projection avec obturateur d'objectif gauche et droit. projection devices with left and right lens shutter. (angles de disposition) par rapport à la caméra centrale et deviennent (layout angles) relative to the central camera and become et à lentilles polarisées à 900 se déplacent de 45" gauche et droite and polarized lenses at 900 move 45 "left and right Les 2 caméras centrales avec obturateurs d'objectifs gauches et droits The 2 central cameras with left and right lens shutters hémisphérique.  hemispherical. - Le cinéma : polariser les lunettes à 900 et projeter sur un écran semi - Cinema: polarize glasses at 900 and project on a semi screen - La télévision: polariser l'écran à 900 - Television: polarize the screen at 900 à l'autre toujours avec obturateur d'objectif gauche et droit. (Schéma 4) to the other always with left and right lens shutter. (Diagram 4) 5) Dispositif selon la revendication 4 caractérisée en ce que pour:5) Device according to claim 4 characterized in that for: deviennent appareils de projection et s'inversent respectivement l'une become projection devices and reverse respectively Les 2 caméras situées à 450 (angle de disposition) des caméras centrales The 2 cameras located at 450 (layout angle) of the central cameras
FR9509556A 1995-08-01 1995-08-01 Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used Pending FR2737586A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9509556A FR2737586A1 (en) 1995-08-01 1995-08-01 Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9509556A FR2737586A1 (en) 1995-08-01 1995-08-01 Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used

Publications (1)

Publication Number Publication Date
FR2737586A1 true FR2737586A1 (en) 1997-02-07

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FR9509556A Pending FR2737586A1 (en) 1995-08-01 1995-08-01 Holographic image projection device for TV, film - has three cameras projecting perpendicularly onto screen and two cameras at 45 degree angle to screen with selected half images blanked out so spectacles with 90 degree polarisation can be used

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FR (1) FR2737586A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362052A (en) * 2000-05-03 2001-11-07 Brendan Joseph Vincent Stokes Projection hologram

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205483A1 (en) * 1982-02-16 1983-08-25 Helmut 7500 Karlsruhe Beyer Method for recording and reproducing three-dimensional images which are split into a left-hand and a right-hand image with the aid of polarising light filters
US4480893A (en) * 1981-04-27 1984-11-06 Polaroid Corporation Optical and viewing system for stereoscopic photography
US5023725A (en) * 1989-10-23 1991-06-11 Mccutchen David Method and apparatus for dodecahedral imaging system
US5050961A (en) * 1989-09-05 1991-09-24 Apple Computer, Inc. Polarized mask stereoscopic display including tiling masks with complementary transparent regions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480893A (en) * 1981-04-27 1984-11-06 Polaroid Corporation Optical and viewing system for stereoscopic photography
DE3205483A1 (en) * 1982-02-16 1983-08-25 Helmut 7500 Karlsruhe Beyer Method for recording and reproducing three-dimensional images which are split into a left-hand and a right-hand image with the aid of polarising light filters
US5050961A (en) * 1989-09-05 1991-09-24 Apple Computer, Inc. Polarized mask stereoscopic display including tiling masks with complementary transparent regions
US5023725A (en) * 1989-10-23 1991-06-11 Mccutchen David Method and apparatus for dodecahedral imaging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362052A (en) * 2000-05-03 2001-11-07 Brendan Joseph Vincent Stokes Projection hologram

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