WO2000022474A1 - Dispositif pour produire une image a flottement libre en mouvement dans un espace - Google Patents

Dispositif pour produire une image a flottement libre en mouvement dans un espace Download PDF

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Publication number
WO2000022474A1
WO2000022474A1 PCT/EP1999/007351 EP9907351W WO0022474A1 WO 2000022474 A1 WO2000022474 A1 WO 2000022474A1 EP 9907351 W EP9907351 W EP 9907351W WO 0022474 A1 WO0022474 A1 WO 0022474A1
Authority
WO
WIPO (PCT)
Prior art keywords
fresnel lens
housing
opening
image
plate
Prior art date
Application number
PCT/EP1999/007351
Other languages
German (de)
English (en)
Inventor
Uwe Maass
Original Assignee
Uwe Maass
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 Uwe Maass filed Critical Uwe Maass
Priority to AU64677/99A priority Critical patent/AU6467799A/en
Publication of WO2000022474A1 publication Critical patent/WO2000022474A1/fr

Links

Classifications

    • 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
    • G02B30/56—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 by projecting aerial or floating images

Definitions

  • the invention relates to a device for generating a free-floating image moving in space behind a changeable foreground and optionally with a changeable background with a housing, with an imaging device arranged in it and with one at a distance from it and at an angle of 45 ° to its axis arranged reflection surface and with an opening in the housing in the path of the light reflected from the reflection surface.
  • a device for generating free-floating images moving in space with a housing, with an image generator arranged in it and with a reflection surface arranged at a distance from it and at an angle of 45 ° to its axis is known (DE-Gbm 295 15 955 ).
  • the known device contains, among other things, a semi-transparent film forming the reflection surface and a viewing window.
  • the known device is used, for example, in museums and at sales events in order to present the objects of art or goods to the viewer in an entertaining manner.
  • the invention is based on the further development of this known device.
  • the structure of the device is to be simplified.
  • the images should not float in empty space, but appear behind a foreground. This should be changeable or exchangeable.
  • the images and thus the device can be better related to a specific topic that is reason is shown, assign.
  • a forest can be the foreground, and fairy tale characters are shown as the free-floating images.
  • a tour operator can also represent beach life on a beach.
  • a motor vehicle manufacturer could display its vehicles on a road that is symbolized by the foreground.
  • the invention is therefore based on the design of a device with which free-floating images moving in space can be generated behind a foreground.
  • the solution according to the invention is surprisingly simple in that the reflection surface is formed by a Fresnel lens.
  • This Fresnel lens which is at an angle of 45 ° to the axis of the imaging device, reflects the light forward through the opening in the housing in the direction of the viewer.
  • the user only sees floating and moving images in the space in front of the Fresnel lens, without recognizing the Fresnel lens itself as such.
  • the viewer is tempted to reach into the housing through the opening and take the pictures. Of course, this does not succeed.
  • the device according to the invention thus conveys a certain illusion. This is desirable and advantageous for certain images and viewing groups.
  • the Fresnel lens is expediently highlighted in black on its side facing away from the imager. It can rest on a black plate. This then has an optical function in that it increases the reflection in a manner not yet explained in detail, and a mechanical function in that it supports and supports the Fresnel lens on the underside thereof.
  • the Fresnel lens is part of a larger Fresnel lens. It has been found to be expedient that the Fresnel lens is a piece cut out of a larger Fresnel lens with a diameter of 90 cm and an edge length of 40 cm. It has been found to be advantageous that only the lower region of the Fresnel lens is effective. For this purpose, about 40% of the Fresnel lens can be covered in black. The foreground mentioned at the beginning is placed in front of the Fresnel lens and in front of the place where the pictures float in the room.
  • the lower edge of the Fresnel lens lies at a distance behind the lower edge of the opening in the housing and elements that represent a foreground are arranged behind the opening of the housing or in front of the lower edge of the Fresnel lens.
  • the elements in the foreground are attached to a plate, which can be pushed into the opening as an insert and pulled out of it again.
  • a plate which can be pushed into the opening as an insert and pulled out of it again.
  • several plates with different elements are provided for each device. Each plate then forms a different foreground with its elements.
  • a horizontally running diaphragm is expediently arranged on the front of the housing. This directs the viewer's gaze to the opening and to the floating images that appear in or behind it.
  • Different panels should be easy to attach.
  • the invention proposes that the panels be inserted into the front.
  • pins are provided on the back of the panel and in the front of the housing receiving holes.
  • the panels are formed by simple plates. It is advisable to provide several panels with different depths for each device.
  • the invention allows not only a changeable foreground, but also a changeable background.
  • an image is inserted between the plate and the Fresnel lens.
  • the invention provides guides mounted on the plate. Depending on your choice, one or another picture can be inserted into this tour.
  • 1 is a side view of the device with the housing cut open and also shows the image memory
  • Fig. 2 is a perspective view of the housing obliquely from the front and
  • Fig. 3 is a perspective view of the foreground formed from the plate and the elements in a position not yet inserted into the housing.
  • FIG. 1 shows the housing 12 with the base 14, the rear wall 16, the top side 18, the front side 20 and the opening 22 provided in this.
  • FIG. 1 further shows the imager 24 arranged on and under the top side 18 a picture tube or a monitor. It is held in the housing 18 with brackets 26.
  • the plate 28 runs under the imager 24 and at 45 ° to its longitudinal axis. It is fastened in the housing 12 and carries the Fresnel lens 30.
  • the plate 28 is black on its side facing the Fresnel lens 30.
  • the lower edge of the plate 28 lies at a distance behind the opening 22. This results in a free area 32.
  • the foreground is built on this.
  • the foreground seen constructively, consists of a plate 34 and the elements 36 fastened thereon.
  • FIG. 1 shows the housing 12 with the base 14, the rear wall 16, the top side 18, the front side 20 and the opening 22 provided in this.
  • FIG. 1 further shows the imager 24 arranged on and under the top side 18
  • FIG. 3 shows examples of such elements 36.
  • these are simple cuboids.
  • the plate 34 is folded down at its front end, which is on the left when looking at FIG. 1. With this bent piece, it covers the bottom 14 of the housing 12.
  • the aperture 38 is arranged above the opening 22. It has pins 40 on its rear side. These are inserted into holes 42 in the front 20.
  • 1 further shows a loudspeaker 44 and holes 46 provided in front of it in the front 20.
  • An image memory 48 is set up at a distance from the housing 12. Via lines 50 it is connected on the one hand to a mains connection and on the other hand to the imager 24 and the loudspeaker 44. Imager 24 is also connected to the network via line 50. 1 also shows the two U-rails fastened on two sides of the plate 28, which together form a guide 52. An image 54 is inserted into this. During operation of the device, this appears as a background
  • the method of operation of the device according to the invention is self-explanatory and only needs to be briefly explained.
  • the user selects a particular foreground from his supply. He guides the plate 34 with the elements 36 in front of the opening 22 and pushes it into the housing 12 to rest on Flat 32 In FIGS. 2 and 3 this pushing in and pulling out of the foreground is indicated by the two arrows.
  • the housing 12 itself, in the illustrations in FIGS. 1 and 2 on one side and FIG. 3 on the other side, other front lines are shown in the figures 1 and 2 it is a hilly sea floor with light vegetation. The representation of fish fits the viewer. They appear to float freely and behind the sand bumps of the sea floor.
  • FIG. 3 shows in the foreground a plate 34 with cuboids 36 when the device is switched on, the user can also see a specific image 54 To do this, insert the plate 28 with the Fresnel lens 30 out of the housing 12 via the opening 22 outside the housing 12, and he will take the desired image. The procedure is not shown in detail in FIG. 1 54 into the guide
  • the light falls from the imager 24 onto the Fresnel lens 30.
  • the light rays are indicated in FIG. 1 by the arrows running from top to bottom. If the neglecting nature of the Fresnel lens is neglected, they are bent by 90 ° and deflected towards the opening 22
  • the light rays are indicated by the arrows emanating from the Fresnel lens 30 and directed to the left.
  • the light rays or the arrows are missing in the upper region of the Fesnel lens 30. This is because this is covered black in this upper region

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

L'invention concerne un dispositif permettant de produire une image à flottement libre en mouvement dans un espace. Cette image doit se trouver devant un avant-plan modulable et éventuellement un arrière-plan également modulable. Ce dispositif doit être de dimensions réduites, stable et transportable. A cet effet, ledit dispositif présente un boîtier avec un générateur d'images monté dedans et une surface de réflexion disposée à distance du générateur d'images et à un angle de 45° par rapport à l'axe dudit générateur. Il est prévu une ouverture dans le boîtier, sur le parcours de la lumière réfléchie par la surface de réflexion. Cette dernière est une lentille Fresnel qui réfléchit la lumière en direction de la personne qui observe. Ce dernier ne voit que l'image en mouvement dans l'espace, sans voir la lentille de Fresnel en tant que telle.
PCT/EP1999/007351 1998-10-09 1999-10-06 Dispositif pour produire une image a flottement libre en mouvement dans un espace WO2000022474A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64677/99A AU6467799A (en) 1998-10-09 1999-10-06 Device for generating a free-floating image which moves in space

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29818101U DE29818101U1 (de) 1998-10-09 1998-10-09 Vorrichtung zum Erzeugen eines sich im Raum bewegenden, freischwebenden Bildes
DE29818101.0 1998-10-09

Publications (1)

Publication Number Publication Date
WO2000022474A1 true WO2000022474A1 (fr) 2000-04-20

Family

ID=8063741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/007351 WO2000022474A1 (fr) 1998-10-09 1999-10-06 Dispositif pour produire une image a flottement libre en mouvement dans un espace

Country Status (3)

Country Link
AU (1) AU6467799A (fr)
DE (1) DE29818101U1 (fr)
WO (1) WO2000022474A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1377079A2 (fr) * 2002-05-08 2004-01-02 Pioneer Corporation Dispositif d'affichage d'images et support d'enregistrement d'informations

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612604A (en) * 1983-12-23 1986-09-16 Bildsystem Ab Projector for producing a light spot of polarized light for biostimulation purposes
DE29515955U1 (de) * 1995-09-26 1996-01-04 Maas Uwe Vorrichtung zum Darstellen sich im Raum bewegender, frei schwebender Bilder
US5534955A (en) * 1994-04-21 1996-07-09 Fuji Photo Film Co., Ltd. Reflection type projector
WO1998018114A1 (fr) * 1996-10-22 1998-04-30 Uwe Maass Dispositif pour representer des images en mouvement dans des plans situes l'un derriere l'autre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612604A (en) * 1983-12-23 1986-09-16 Bildsystem Ab Projector for producing a light spot of polarized light for biostimulation purposes
US5534955A (en) * 1994-04-21 1996-07-09 Fuji Photo Film Co., Ltd. Reflection type projector
DE29515955U1 (de) * 1995-09-26 1996-01-04 Maas Uwe Vorrichtung zum Darstellen sich im Raum bewegender, frei schwebender Bilder
WO1998018114A1 (fr) * 1996-10-22 1998-04-30 Uwe Maass Dispositif pour representer des images en mouvement dans des plans situes l'un derriere l'autre

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1377079A2 (fr) * 2002-05-08 2004-01-02 Pioneer Corporation Dispositif d'affichage d'images et support d'enregistrement d'informations
EP1377079A3 (fr) * 2002-05-08 2005-02-16 Pioneer Corporation Dispositif d'affichage d'images et support d'enregistrement d'informations
US7038851B2 (en) 2002-05-08 2006-05-02 Pioneer Corporation Image display device and information recording medium

Also Published As

Publication number Publication date
AU6467799A (en) 2000-05-01
DE29818101U1 (de) 1998-12-24

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