DE3929583A1 - Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elements - Google Patents
Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elementsInfo
- Publication number
- DE3929583A1 DE3929583A1 DE3929583A DE3929583A DE3929583A1 DE 3929583 A1 DE3929583 A1 DE 3929583A1 DE 3929583 A DE3929583 A DE 3929583A DE 3929583 A DE3929583 A DE 3929583A DE 3929583 A1 DE3929583 A1 DE 3929583A1
- Authority
- DE
- Germany
- Prior art keywords
- stereo
- screen
- optical elements
- concave
- glasses
- 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.)
- Ceased
Links
- 230000003287 optical effect Effects 0.000 title claims abstract 6
- 239000011521 glass Substances 0.000 claims abstract 6
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 238000003384 imaging method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G02B30/20—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Es ist bekannt, daß alle Raumbildkinoverfahren ohne Ste reobrillen, die bis heute beantragt sind, wesentliche Mängel haben. Üblich stützen sie sich an:It is known that all spatial image cinema processes without Ste reobrillen, which have been applied for to date, essential Have defects. They usually support themselves on:
- a) erhebliche Bewegungsfreiheiteinschränkungen der Zuschauer beim Stereobildbetrachten.a) Significant restrictions on the freedom of movement Watching viewers while viewing stereo images.
- b) Einschränkung des Rauminhalts.b) Restricting space.
- c) Zusammengesetztheit der drehbaren Rasterelementen systemen die eine weite Einführung verhindert.c) Composition of the rotatable grid elements systems that prevent a wide introduction.
Das beantragte Verfahren hat die Mängel nicht. Sie werden durch eine Projektion auf Stereoschirm der kei ne diffuse Reflexion des Lichtes hat, beseitigt. Die Stereoschirmfläche wird als Gesamtheit mehreren op tischen Bauelementen, die eng einander anliegen, aus geführt. Die Bauelemente sind dargestellt als:The requested procedure does not have the shortcomings. they are projected onto the kei stereo screen ne diffuse reflection of the light. The The stereo screen area is a total of several op table components that are close to each other guided. The components are shown as:
- 1. Teil von Konvexsphäre, die eine spiegelnde Fläche hat, bei Aufprojektion,1st part of convex sphere, which is a reflective surface has, when projected,
- 2. Teil von Konkavsphäre auf einer Fläche von Durch sichtsbrechungsmaterial bei Durchsichtprojektion.2. Part of concave sphere on an area of through Visual refraction material for see-through projection.
Wirkungsprinzip des Stereoschirmes enthaltet sich in folgendem: (Beispiel bei Aufprojektion).Principle of operation of the stereo umbrella is contained in the following: (example with front projection).
Es ist bekannt, daß spiegelndes Segment, das sphä risch konvex ist, eine Eigenschaft besitzt ein Licht bündel, das auf das Segment parallel fällt, gerichtet zu verstreuen. Wenn man eine Echofläche von mehreren solchen Segmenten zusammensetzt merkt man, daß die Auflichtstrahlen vom jeden Element im Raum gegensei tig sich durchkreuzen werden. Damit wird grenzlose Menge von Punktfokalzonen gebaut. Und zur jeden von dieser Zonen kommt ein Lichtteil vom jeden Element. In der Zeichnung ist das als einer der Strahlen vorgewiesen, der dank der gestrichelten Lichtverstreu ung vom Element unvermeindlich in diese Fokalzone kommen wird. Wenn die Elementengröße außerhalb des Augenauflösungsvermögen liegt, dann wird das Zuschau erauge in solcher Fokalzone die Schirmfläche gleich mäßig beleuchtet sehen. Der Stereoschirm formt grenz lose Menge solcher Fokuse. Deswegen kann der Zuschau er vom jeden Vorschirmraumort den Schirm beleuchtet sehen. Aber nur mit einem Auge, weil jedem Fokalpunkt wird streng bestimmte Achselinie entsprechen, wo der Fokalpunkt sich wiederstellen wird. Die Menschenseh vermögensachse sind parallel. Um die Sichtbedingungen für beide Augen zu hervorbringen, braucht man noch eine Lichtquelle. Die Projektionsachse dieser Licht quelle muß parallel mit erster Projektionsachse und 65 Millimeter davon entfernt sein. Bei zwei Bildwerfern, statt Lichtquellen, die rechtes und linkes Bildpaar projizieren, im Zuschauersaal, durch den Stereoschirm werden zwei Reihen grenzloser Menge Punktfokalzonen hervorgehoben, die unabhängig voneinander sind. It is known that the reflective segment, the spherical is convex, a property has a light bundle that falls parallel to the segment to scatter. If you have an echo area of several such segments one realizes that the Incident light rays from every element in the room will cross each other. It will be limitless Set of point focus zones built. And for each of in these zones a light part comes from each element. In the drawing this is one of the rays presented thanks to the dashed light scattering of the element inevitable in this focal zone will come. If the item size is outside the Then the spectator see the screen area in such a focal zone see moderately illuminated. The stereo screen shapes borders loose amount of such focus. That's why the audience can he illuminates the screen from each screen room location see. But only with one eye, because every focal point will correspond strictly to the axillary line where the Focal point will be restored. The human sight wealth axis are parallel. To the visibility conditions to produce for both eyes is still needed a light source. The projection axis of this light source must be parallel to the first projection axis and 65 millimeters away from it. With two projectors, instead of light sources, the right and left pair of images project, in the auditorium, through the stereo screen become two rows of limitless set of point focus zones highlighted that are independent of each other.
Die Fokalzonen werden den ganzen Zuschauersaal füllen, wo durch der Zuschauer in jedem beliebigen Zuschauersaalort leicht eine Position findet, wo er mit rechtem Auge das rechte Bild und mit linkem- linkes sehen wird.The focal zones will fill the entire auditorium where by the viewer in any auditorium location easily find a position where he can see it with his right eye right picture and with left- left will see.
Den selben Effekt kann man beobachten bei Durchsichtpro jektion mit Stereoschirm, der aus Durchsichtsbrechungsele menten besteht. Die Elemente haben in der Schnittfläche eine Form, die als Teil von Konkavsphäre ausgeführt ist. Solcher Stereoschirm kann man beim Raumbildfernsehen ver wenden.The same effect can be seen with see-through pro projection with stereo screen, made of transparent refractive element ment exists. The elements have in the cut surface a shape executed as part of the concave sphere. Such a stereo screen can be seen in room television turn.
Bei Erzeugung von spiegelnden(brechungs) sphärischen Ele menten muß man beachten: - um den Lichtrückwurf (die Licht brechung) vom Element zum Element zu vermeiden, soll der Bogenradius des sphärischen Segments entsprechend groß sein.When generating reflective (refractive) spherical elements You have to pay attention to the following: refraction) from element to element, the Arc radius of the spherical segment correspondingly large be.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3929583A DE3929583A1 (en) | 1989-09-06 | 1989-09-06 | Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3929583A DE3929583A1 (en) | 1989-09-06 | 1989-09-06 | Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3929583A1 true DE3929583A1 (en) | 1990-04-19 |
Family
ID=6388732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3929583A Ceased DE3929583A1 (en) | 1989-09-06 | 1989-09-06 | Stereoscopic screen for three=dimensional cinematography or TV - has surface formed by large number of concave or convex optical elements |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3929583A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994025899A1 (en) * | 1993-05-04 | 1994-11-10 | Xenotech Research Pty. Ltd. | Stereoscopic display unit |
| DE19736158A1 (en) * | 1997-08-20 | 1999-02-25 | Helmut Wuerz | Spatially reproducible image generation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2740954A (en) * | 1953-01-19 | 1956-04-03 | Kleefeld Georges | Viewing plate for television screen |
| JPS5722219A (en) * | 1980-07-16 | 1982-02-05 | Seizaburo Kimura | Stereoscopic viewing lens plate of plane image |
| FR2520518A1 (en) * | 1982-01-22 | 1983-07-29 | Centre Nat Rech Scient | OPTICAL APPARATUS AND METHOD FOR INSTANTLY RECORDING OR VISUALIZING ENLARGED AND STEREOSCOPIC IMAGES OF OBJECTS |
-
1989
- 1989-09-06 DE DE3929583A patent/DE3929583A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2740954A (en) * | 1953-01-19 | 1956-04-03 | Kleefeld Georges | Viewing plate for television screen |
| JPS5722219A (en) * | 1980-07-16 | 1982-02-05 | Seizaburo Kimura | Stereoscopic viewing lens plate of plane image |
| FR2520518A1 (en) * | 1982-01-22 | 1983-07-29 | Centre Nat Rech Scient | OPTICAL APPARATUS AND METHOD FOR INSTANTLY RECORDING OR VISUALIZING ENLARGED AND STEREOSCOPIC IMAGES OF OBJECTS |
Non-Patent Citations (2)
| Title |
|---|
| Fernseh- und Kino-Technik 1970, Nr. 1, S. 13-18 * |
| Fernseh- und Kino-Technik 42, Nr. 8, S. 371-376 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671992A (en) * | 1993-04-28 | 1997-09-30 | Xenotech Research Pty. Ltd. | Stereoscopic display unit |
| WO1994025899A1 (en) * | 1993-05-04 | 1994-11-10 | Xenotech Research Pty. Ltd. | Stereoscopic display unit |
| DE19736158A1 (en) * | 1997-08-20 | 1999-02-25 | Helmut Wuerz | Spatially reproducible image generation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAV | Publication of unexamined application with consent of applicant | ||
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |