WO1999034247A1 - Systeme electromecanique de representation d'images - Google Patents

Systeme electromecanique de representation d'images Download PDF

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Publication number
WO1999034247A1
WO1999034247A1 PCT/ES1998/000357 ES9800357W WO9934247A1 WO 1999034247 A1 WO1999034247 A1 WO 1999034247A1 ES 9800357 W ES9800357 W ES 9800357W WO 9934247 A1 WO9934247 A1 WO 9934247A1
Authority
WO
WIPO (PCT)
Prior art keywords
line
images
luminous
light
point
Prior art date
Application number
PCT/ES1998/000357
Other languages
English (en)
Spanish (es)
Inventor
Manuel ESTOPIÑAN CANALS
Original Assignee
Estopinan Canals Manuel
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 ES9702697A external-priority patent/ES2141033B1/es
Application filed by Estopinan Canals Manuel filed Critical Estopinan Canals Manuel
Priority to ES200050031A priority Critical patent/ES2174743B1/es
Priority to AU16731/99A priority patent/AU1673199A/en
Publication of WO1999034247A1 publication Critical patent/WO1999034247A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/005—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
    • 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
    • G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • G02B30/54—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels the 3D volume being generated by moving a 2D surface, e.g. by vibrating or rotating the 2D surface
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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
    • H04N13/393—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume the volume being generated by a moving, e.g. vibrating or rotating, surface
    • 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
    • H04N13/398—Synchronisation thereof; Control thereof

Definitions

  • the purpose of the present application for an invention is an electromechanical system for representing images, which contributes to the function to which it is intended, several advantages that will be reported later, apart from others inherent in its organization and constitution.
  • the cinematograph constitutes a projection system of photographic images that represent as many moments of a given action, which are projected on a screen.
  • These photographs form a celluloid film, separated by a band, which is run by means of special mechanisms such that, when a particular photograph is centered, it is stopped for a certain time, and that when the film is run to give place where the next frame is centered, the projection light cone is sealed, so that the observer does not perceive the shift, and before the first one has disappeared image of his retina, meets the second, producing the illusion of movement.
  • Television is also based on the physiological fact of the persistence of the images in the retina, but with scanning and control of the image by an electron beam inside a vacuum tube, point by point.
  • the petitioner of the present invention has conceived an electromechanical system of representation of images, the result of his experience in the field at hand, and through which he can obtain representations of virtual images in space or closed images, based on the fact physiological persistence of the images in the observer's retina, which, depending on the case, may be located outside the generated image or inside.
  • the system object of the present invention comprises at least one line of luminous points that rotates around a parallel, or perpendicular axis, generating a virtual image in space, based on the persistence of the luminous points in the retina of the observer.
  • the axis that drives the line or dotted lines is activated by a synchronized motor and governed all in time by a computer or microprocessor.
  • the luminous points are constituted from at least one LED, which is located in the dintorno of a ring of transparent optical plastic material, or glass, whose contour of 360 ° , it is traveled by an external and radial optical fiber to said ring, so that its proximal end is the one that captures the light of the Led, while its distal end forms the light spot, all when the fiber path is comprised in the viewing angle of the LED.
  • the number of rings is arbitrary, forming in combination a modular stack that composes a structure cylindrical, each of whose rings corresponds to an optical fiber, and at least one LED.
  • the optical fibers of the respective rings are supported by a rotating cylindrical envelope, depending on the active axis of the system, which, when driven through mechanical means, rotates around the axial stacking of the rings.
  • the distal ends of the optical fibers form a line of "n" luminous points that constitute a generatrix of a virtual image whose surface will be a function of the number of LEDs that each ring incorporates, and of its viewing angle, being able to become an endless envelope, when the number of LEDs per ring corresponds to a number of four, and whose LEDs must be located at the ends of two diameters that cross orthogonally and have a viewing angle of 120 °, sufficient to complement each other yes in order to cover the 360 ° of a circle.
  • the system includes an optical encoder to detect the beginning of each line of luminous points, the assembly of which is located inside a hood to which the air has been extracted to improve the performance of the mechanical organs involved in the same, reduce energy consumption, and prolong its life.
  • the rings are replaced by larger diameter discs provided with an axial hole for placement of the LEDs, and the optical fibers are removed, making the same disc a function equivalent to that of those.
  • the rotating cylindrical envelope around the discs is of opaque material presenting a longitudinal groove parallel to the axis, which only allows viewing of the LED light in its rotating displacement, line by line, according to the optical encoder.
  • the LEDs are aligned in a column, along an eccentric printed circuit or not with respect to the cylindrical envelope that constitutes the axis of the system and which is the carrier of the optical fibers, which in this case of embodiment there will be four for each Led, located at the ends of two ideal diameters that cross orthogonally, and whose distal ends of the fibers meet tangents to form the luminous points that will be activated when the corresponding fiber travels the optical angle of the Led to which they belong .
  • Another alternative embodiment of the invention is based in the same principle of imaging by scanning a luminous line in mechanical rotation around an axis, of "n" points, but with the particularity that a single luminous point created by a beam of light (laser) is provided , cathode rays, etc.), or any other system of projection of a luminous point, which by magnetic, electrostatic, electro-optic or mechanoptic deflection, is shifted from beginning to end of the light line (as in the TV system ), modulating it in intensity.
  • This system unlike the basic system, requires a screen on which to project the light spot, whether it is the viewer's envelope, or not (observation from the outside).
  • the system can be constituted at least by a luminous line that runs through 360 °, but they can be several equidistant luminous lines (360 ° between "n" lines), and acting at the same time for the division by segments of the image surface total formed on the screen, which may be cylindrical, spherical, etc.
  • said system will have an optical encoder or other systems for the detection in each position of the mechanical rotation of the beginning of each line, which will be transmitted to the computer to send it the beginning of the information, for the creation of the line point by point, until the end of it and beginning of the next, when detecting the next position, creating a complete rotation "n” lines, thus depending on the quality or resolution of the images.
  • the luminous line or lines may be of a single color, or triple, in order to create color images using the three basic colors.
  • the assembly can be located, or not, inside a protection hood, being able to extract the air from it or not.
  • the system would be by projection of a coherent light spot (laser).
  • a coherent light spot there is a drum or hood constituting a translucent screen, which is observed from the outside, while if the drum is transparent, it can project on a cylindrical, spherical outer screen, etc.
  • Said system comprises a laser projector, which impacts on the faces of a rotating prismatic mirror located in the center of said drum, so that for each face of the mirror a luminous line is generated by the variation of the angle of incidence, creating so many luminous lines as ordered by the encoder, depending on the speed and number of faces of the prismatic mirror.
  • the system would be by means of cathode rays, so that a single luminous point is originated by a beam of cathode rays affecting the phosphor of the inner face of the tube that acts as a translucent screen.
  • An example would be using two cathode ray tubes, located in opposition to an opaque drum holding the system, which has grooves Longitudinal, to show the surfaces of the cathode ray tube screens, where the light lines originate, the vision always being carried out from the outside.
  • the system has provided image capture cameras for the aforementioned forms of image reproduction, which are based on the same mechanical rotation system around an axis of a line or light sensitive lines, with a typical system of optical, so that the images affect this sensitive line, and they are scanned line by line and point by point 360 °, the luminous lines being able to be sensitive to a single color or triple, in order to obtain color images by means of Three basic colors.
  • an opaque rotating hollow drum is provided inside, for the location of the object or image to be captured, the corresponding optics for the light input that will affect the drum being arranged on the inner side of the drum on the sensitive line inside the drum itself, and that through the control circuit, the information will be sent point by point, or line by line, via radio, infrared, optically or magnetically to the computer or microprocessor.
  • FIGS 1 and 2 Schematically show the basic system object of the invention, according to the views seen in elevation and plan.
  • Figures 3 and 4. They show respective views in elevation and plan, of an alternative of realization of the basic system, more complex in order to allow the formation of three-dimensional images.
  • Figure 5. It shows another variant of the invention designed to generate closed images around the position of the observer.
  • Figure 6 Shows the location of the image generating means, according to Figure 5, inside the projection enclosure of such images.
  • Figure 7 Shows a partial schematic section and elevation of an optical system, object of an alternative embodiment of the invention.
  • Figure 9 Shows a plan view of the system, according to figures 7 and 8 above.
  • Figures 10 and 11. They show different views in plan and elevation of another alternative of realization of the system.
  • Figure 12. Shows detail "A" of figure 11.
  • FIG. 13 Shows the detail "B" of figure 11.
  • Figure 14 Shows a variant of the embodiment of the system, derived from the example illustrated in Figures 7 to 9.
  • Figure 15. Shows another alternative embodiment of the system, based on the example illustrated in Figures 10 to 13.
  • Figure 16 Shows a schematic perspective view of another alternative embodiment of the invention (view from the outside).
  • Figure 17 Shows a schematic perspective view of another variant embodiment of the invention, intended to be viewed from outside the system.
  • Figure 18 Shows a schematic perspective view of the alternative embodiment of Figure 17, intended to be viewed from inside the system.
  • Figure 19 Shows a schematic perspective view of a practical embodiment of an image capture camera.
  • Figure 20 Shows a schematic perspective view of another alternative embodiment of the invention.
  • a preferred, although not limiting embodiment of the invention can be observed therein, which consists of an image representation system basically constituted by an axis -1- , in solidarity with a support -2-, provided on an edge parallel or not to said axis with a line -7- of "n" luminous points -3-.
  • the axis -1- is driven, through a motor -4- and an energy transmitter -16-, synchronized and governed all this in time by a computer or microprocessor -5-.
  • the rotation of axis -1- can be done in the direction of F or F ', generating the dotted line -3-, a virtual image -6-, represented in the dashed line drawing.
  • this virtual image formed in space would correspond to a cylindrical form of revolution.
  • the images obtained will be multiple depending on the generating line of luminous points.
  • the rotation speed of the -1- axis would be from 1,500 revolutions per minute, which corresponds to 25 images per second.
  • Figures 3 and 4 illustrate two views relative to a variant embodiment of the basic system set forth above.
  • the system also comprises an axis -1-; the motor -4-, drive; the power transmitter -16- to the rotating system; and the control computer or microprocessor -5-.
  • "n" lines -7-, of "n” luminous dots -3- are introduced, the lines are arranged in a staggered way or offset towards the axis, which rotate around it, generating virtual images with relief or depth in the space , as a consequence of the existence of "n” image planes, providing the sensation of image or real object.
  • the transmission of information from the computer -5- to the light points -3- is carried out by radio, by infrared, optically, or magnetically, through a control circuit -14-, and the observer can be located in any position around the system.
  • the system can be of a single color or with several colors, for which each row -7-, would be triple in order to include the basic colors.
  • the described system can be located inside a transparent protection hood.
  • Figures 5 and 6 correspond to a third embodiment of the system object of the invention, also based on an axis -1-; an engine -4-; a power transmitter -16-, to the rotating system; and a computer or microprocessor
  • the line of luminous dots is replaced by a line -8-, of openings -9-, materialized in a closed -10-, cylindrical or semi-spherical enclosure, which houses a central focus -11- and an optical -15- , connected to axis -1-, driven by motor -4-, through a power transmitter -16- to the rotating system.
  • This equipment designated as a whole by -13-, is located in the center of a cylindrical screen -12-, but which could also be spherical, on which the circulating light would be projected when turning the axis -1-.
  • the line -8- of openings -9- is controlled by a system of liquid crystals, such as shutters.
  • the observer in this case is located inside the screen -12-, in a place that does not interfere with the light beam of the focus -11-.
  • the result is a closed image, without continuity solution, observer envelope.
  • the cylindrical screen -12- could be translucent material, for observation from the outside.
  • a system for the representation of images comprising a plurality of optical rings -17-, of transparent plastic material or glass, forming a stack, such as that illustrated in Figure 7
  • Each of these rings -17- includes at least one Led diode, -18-, with the face -19-, with a light projection facing the ring wall.
  • the LEDs are connected to the power cables -20-, and to a control circuit -21-.
  • an opaque washer -29- is provided, which performs an insulating function to avoid light interference between the rings themselves.
  • a cylindrical envelope -22- which constitutes the axis of the system, to whose wall optical fibers -23- are fixed, which adopt a radial position, so that the end proximal -23a-, captures the light of the corresponding Led, and transmits it to the distal end -23b-, which forms a luminous point.
  • the envelope -22- is rotatable around its longitudinal axis through a mechanical arrangement composed of a motor -24-, transmission -25-, and bearings - 26-, whose situation in the drawing is indicated by way of illustration, but without limitation, synchronized and governed all in time by a computer or microprocessor -31-.
  • the system has an optical encoder -27-, to detect the beginning of each line.
  • the generated virtual image is indicated.
  • the set described is located inside a bell, not illustrated, in which the vacuum has been made, to reduce friction in the active organs, save energy and prolong the life of the system.
  • the present invention also contemplates an alternative embodiment designed to simplify manufacturing in order to reduce costs, by employing a smaller number of electronic components, which is represented in Figures 10 to 13.
  • the LEDs -18- are arranged in a printed circuit -28-, longitudinal to the cylindrical envelope -22-, and in an eccentric position or not with respect thereto.
  • This envelope-axis -22- includes four optical fibers -23-, for each Led, -18-, located at diametrically opposite points, and which meet at their distal ends -23b-, so that they will form respective luminous points that they will be activated when the proximal end -23a- of one of said fibers travels the optical angle of the Led -18-.
  • the optical angle of the Led is 120 ° or greater than 90, and the number of fibers is four and equidistant, the image -32- generated by the line of luminous points - 23b-, will form an endless envelope.
  • FIG. 14 another variant embodiment of the invention is shown in half-section, derived from the example illustrated in FIGS. 7 to 9, in which the rings mentioned are replaced by discs -33-, larger in diameter than those provided of an axial hole for location of the LEDs -18-, the optical fibers being suppressed.
  • the characteristics of the discs -33- carry out the transmission of light in an equivalent manner to that of said fibers, for which they are not precise in this embodiment.
  • the cylindrical envelope in this case designated by -35-, is of opaque material, provided with a groove -34-, longitudinal and parallel to the virtual axis of rotation, through which the light emitted by the LEDs is exclusively visible, in the rotating displacement of said envelope -35-, line by line, according to the optical encoder -27-.
  • FIG 15 a plan view of another embodiment of the invention is shown, derived from the example illustrated in Figures 10 to 13, in which four columns of LEDs -18- are provided, with a viewing angle of 120 ° , in their corresponding printed circuits, and four optical fibers -23-, one for each Led, all of them in opposition and equidistant.
  • This organization allows to reduce the speed in a quarter.
  • Figure 16 shows another alternative of embodiment of the invention, comprising an imaging system by scanning a luminous line in mechanical rotation about an axis -40-, formed by a moving light point, said axis -40- being driven through a motor -41- and of a power generator or transmitter -42-, synchronized and governed all in time by a computer or microprocessor -43-, so that the transmission of information from the computer -43-, to the system of deflection of the luminous point, is carried out by radio, infrared, optically or magnetically, through a control circuit -44-, with the particularity that the creation of a single luminous point by a beam of light is planned, which by way of illustrative and non-limiting example of the invention, it can be achieved by means of two cathode ray tubes -45-, located in opposition to an opaque drum -46- for holding or supporting the system, which has grooves ngitudinal -47-, to show the surfaces of the cathode
  • the system can be constituted by a light line that runs through 360 °, or by several equidistant light lines (360 ° between "n" lines), acting at the same time for the division by segments of the surface of the total image formed at turn.
  • the system has an optical encoder -48-, or other system, for the detection in each position of the mechanical rotation of the beginning of each line, which will be transmitted to the computer -43-, so that it sends the beginning of the information for the creation of the light line, point by point, until the end of it and beginning of the next, when detecting the next position, originating in a complete rotation "n" lines, depending on the quality or resolution of the images represented.
  • the line or lines can be single or triple color, in order to generate color images by means of the three basic colors.
  • the assembly can be installed, or not, inside a protection hood, and the air can be extracted or not.
  • Figure 17 shows another variant embodiment of the invention, in which the system would be by projection of a coherent light spot (laser), generated by a laser projector -49-, which falls on a rotating prismatic mirror -50 -, driven by means of a motor -51-, or mechanical rotation system, so that said rotating prismatic mirror -50- is located in the center of a drum
  • laser coherent light spot
  • Said laser projector -49- strikes the faces of the prismatic mirror -50-, which are in rotation, so that for each face of said mirror -50- a light line due to the variation of the angle of incidence, originating as many light lines as the encoder -48- establishes in the rotation of the system.
  • the system has provided a camera (figure 19) for capturing images for the aforementioned forms of image reproduction, which is based on the same mechanical rotation system around an axis of at least one line -55- of "n "points sensitive to light (CCD, vacuum tube or other line scanning system) with a traditional optics system -56-, said assembly being supported by an opaque drum -54-, and the images falling on this line or sensitive lines, and according to the encoder - 48-, the entire image of the environment will be explored, line by line, in this case transmitting the information, point by point, to the computer via radio, infrared, optically or magnetically through the circuit of control -44-.
  • a camera (figure 19) for capturing images for the aforementioned forms of image reproduction, which is based on the same mechanical rotation system around an axis of at least one line -55- of "n "points sensitive to light (CCD, vacuum tube or other line scanning system) with a traditional optics system -56-, said assembly being
  • FIG 20 shows another alternative embodiment of the invention, in which an opaque rotating drum -57- is provided, hollow inside, in order to install the object or image to be captured.
  • the corresponding optics -56- are arranged on the inner side of the drum for the light input that will affect the sensitive line inside said drum, and that through the control circuit -44-, the information will be sent, point by point, or line by line, via radio, infrared, optically or magnetically to the computer or microprocessor -43-.

Abstract

L'invention concerne un système électromécanique comprenant au moins une ligne (7) formée par 'n' points lumineux (3) qui tourne autour d'un axe (1) d'actionnement afin de générer une image virtuelle (6) formée dans l'espace dont le relief ou la profondeur est fonction du nombre 'n' de lignes (7). L'axe (1) est actionné par un moteur (4), l'ensemble étant synchronisé et piloté dans le temps par un ordinateur ou microprocesseur (5). La transmission d'informations depuis l'ordinateur (5) vers les points lumineux (3) s'effectue de manière radioélectrique, optique, magnétique ou par infrarouges au moyen d'un circuit de commande (14).
PCT/ES1998/000357 1997-12-26 1998-12-24 Systeme electromecanique de representation d'images WO1999034247A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES200050031A ES2174743B1 (es) 1997-12-26 1998-12-24 Sistema electromecanico de representacion de imagenes.
AU16731/99A AU1673199A (en) 1997-12-26 1998-12-24 Electromechanical system for image representation

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
ES9702697A ES2141033B1 (es) 1997-12-26 1997-12-26 Sistema electromecanico de representacion de imagenes.
ESP9702697 1997-12-26
ESP9800638 1998-03-25
ES9800638A ES2154135B1 (es) 1997-12-26 1998-03-25 Certificado de adicion al objeto de la patente principal, n-9702697 por sistema electromecanico de representacion de imagenes.
ESP9802621 1998-12-17
ES9802621A ES2154198B1 (es) 1997-12-26 1998-12-17 Certificado de adicion al objeto de la patente principal, n- 9702697 por sistema electromecanico de representacion de imagenes.

Publications (1)

Publication Number Publication Date
WO1999034247A1 true WO1999034247A1 (fr) 1999-07-08

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Application Number Title Priority Date Filing Date
PCT/ES1998/000357 WO1999034247A1 (fr) 1997-12-26 1998-12-24 Systeme electromecanique de representation d'images

Country Status (2)

Country Link
AU (1) AU1673199A (fr)
WO (1) WO1999034247A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1298630A1 (fr) * 2001-09-27 2003-04-02 Dynascan Technology Corp. Elément d'affichage rotatif
AU2001250503B2 (en) * 2000-05-10 2004-04-22 Frederic Jean-Pierre Demole A video projection system
EP1441542A1 (fr) * 2003-01-24 2004-07-28 Pioneer Corporation Appareil d'affichage d'images stéréoscopiques
WO2008146257A1 (fr) * 2007-05-31 2008-12-04 Cilliers Du Preez Dispositif d'affichage
WO2009047372A1 (fr) * 2007-10-11 2009-04-16 Visualmark Internacional, S.L. Dispositif publicitaire multimédia
CN108399865A (zh) * 2018-03-22 2018-08-14 朱平齐 一种再现物品三维影像的电子显示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323126A (en) * 1964-06-16 1967-05-30 Howard F Malone True scale three dimensional display device
US4160973A (en) * 1977-10-11 1979-07-10 Massachusetts Institute Of Technology Three-dimensional display
US5302965A (en) * 1989-04-13 1994-04-12 Stellar Communications Limited Display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323126A (en) * 1964-06-16 1967-05-30 Howard F Malone True scale three dimensional display device
US4160973A (en) * 1977-10-11 1979-07-10 Massachusetts Institute Of Technology Three-dimensional display
US5302965A (en) * 1989-04-13 1994-04-12 Stellar Communications Limited Display

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001250503B2 (en) * 2000-05-10 2004-04-22 Frederic Jean-Pierre Demole A video projection system
US7015982B2 (en) 2000-05-10 2006-03-21 Demole Frederic Jean-Pierre Video projection system
EP1298630A1 (fr) * 2001-09-27 2003-04-02 Dynascan Technology Corp. Elément d'affichage rotatif
EP1441542A1 (fr) * 2003-01-24 2004-07-28 Pioneer Corporation Appareil d'affichage d'images stéréoscopiques
US7165841B2 (en) 2003-01-24 2007-01-23 Pioneer Corporation Stereoscopic image display apparatus
WO2008146257A1 (fr) * 2007-05-31 2008-12-04 Cilliers Du Preez Dispositif d'affichage
WO2009047372A1 (fr) * 2007-10-11 2009-04-16 Visualmark Internacional, S.L. Dispositif publicitaire multimédia
CN108399865A (zh) * 2018-03-22 2018-08-14 朱平齐 一种再现物品三维影像的电子显示装置

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