WO2010054413A1 - Surface de projection et scène - Google Patents

Surface de projection et scène Download PDF

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Publication number
WO2010054413A1
WO2010054413A1 PCT/AT2008/000415 AT2008000415W WO2010054413A1 WO 2010054413 A1 WO2010054413 A1 WO 2010054413A1 AT 2008000415 W AT2008000415 W AT 2008000415W WO 2010054413 A1 WO2010054413 A1 WO 2010054413A1
Authority
WO
WIPO (PCT)
Prior art keywords
projection
projection surface
projector
platform
center
Prior art date
Application number
PCT/AT2008/000415
Other languages
German (de)
English (en)
Inventor
Gerhard Frank
Andreas Kornprobst
Original Assignee
Gast & Kunde Beteiligungsgesellschaft M.B.H.
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 Gast & Kunde Beteiligungsgesellschaft M.B.H. filed Critical Gast & Kunde Beteiligungsgesellschaft M.B.H.
Priority to PCT/AT2008/000415 priority Critical patent/WO2010054413A1/fr
Publication of WO2010054413A1 publication Critical patent/WO2010054413A1/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J13/00—Panoramas, dioramas, stereoramas, or the like
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J25/00—Equipment specially adapted for cinemas
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes

Definitions

  • the invention relates to a projection surface, in particular for the so-called large-screen projection, in which the dimensions of the screen compared to the average distance to the audience are so large that for the viewer the impression arises to be in the middle of the action and not from the outside on the Done to look.
  • Known screens and associated seat row constellations are known, for example, from IMAX cinemas, and further attempts have long been made with proper all-round projections, because of the extremely high cost of ownership and the need to build their own showrooms for this type of projection but all abandoned again.
  • the invention relates to a stage, which can be used in particular, but not necessarily, together with the projection surface or alone.
  • projection surfaces are also needed for the special attractions that are increasingly shown in the most diverse amusement parks in recent years.
  • actual participation in the event is very convincingly suggested to the public through various additional sensory stimuli such as movement of the rows of seats, use of special pyrotechnic effects, use of fog and possibly indicated artificial rain and the most varied sound and light effects.
  • projection surfaces for the movie to be played which are very large compared to the average distance of the audience.
  • the dimensions are usually smaller than, for example, the I-MAX system.
  • the problems with the projection on such screens, or projection surfaces, the expression we used synonymously below arise mainly because the dimensions of the visitor space compared to the size of the screen considerably decrease, resulting in very different viewing angles and main viewing directions of the audience can come. This can be improved by the stage according to the invention, by which the illusion of direct participation in events is greatly increased.
  • a completely different from conventional cinema operation of such attractions is that the projector mostly with the moving platform For example, during a film about a rally in order to suggest to the audience that everything really goes together with him on the movements of the visitor platform. As a result, the projector or the image projected by it leads the visitor's gaze, who is no longer in front of the screen, but rather "in her” and is also moved and everything moves with him or he moves with everything.
  • This projection technique now exacerbates the problem of image distortion at the edge of the screen and the image impression of the visitors sitting at the edges of the audience platform, but above all has the result that in the image center, to which the visitor's attention is mainly directed and where the image quality must be greatest, (which also corresponds to the physiological structure of the human eye) distortions occur that severely affect the illusion of participating in the action of the audience.
  • the invention proposes to use a projection surface curved around at least one horizontal axis.
  • At least one horizontal axis means, for example, that an elliptical curvature has many, mathematically infinitely many axes of curvature, but can be found with finitely many, in the limit of an axis Ausmaschine.
  • the curvature in the vertex of the projection surface in a vertical section along the line of symmetry to the projection center has its center of curvature in the region of the projection center.
  • the distance between the projection center and the center of curvature is not greater than 10%, more preferably not greater than 5%, and most preferably not greater than 3% of the distance between the apex of the projection surface and the projecting center.
  • the curvature of the projection surface in the plane of symmetry increases in normal section as the distance from the vertex increases; the radius of curvature thus decreases.
  • a stage can be used according to the invention, in which the spectators participate standing on the event, leaning on a railing located in front of them and are preferably inclined slightly forward.
  • the impression of the movement of the platform, which forms the base of the stage, compared to a seated participation surprisingly significantly strengthened.
  • the invention will be explained in more detail below with reference to the drawing.
  • the single figure shows purely schematically a screening room with a movable platform, a projector attached thereto and a projection surface according to the invention side view, partially in section.
  • a screening room 1 is shown in a vertical section through its plane of symmetry.
  • the projection room 1 has a visitor platform 2, which is movably mounted by means of a drive including storage 3 in several degrees of freedom.
  • This has been known in various ways since at least 1921, the filing year of GB 183,640, and more intensively since 1928, the filing year of US 1,789,680, so hexapods and other parallel kinematic devices, such as those described in U.S. Pat. used in flight simulators are used.
  • the platform 2 in which no rails are drawn, it can indeed be used with the projection screen according to the invention also a conventionally equipped with seats platform; is provided only very schematically indicated projector 4, which participates in the movements of the platform. That is, depending on the number of degrees of freedom available to the platform 2, the projector moves along an area as shown or within a predetermined space. This is indicated in the figure for the up-down movement of the projector by the two end points together with the indicated projection direction and the corresponding central position 5 (without projection cone).
  • the projection cones depicted here only represent sections of the correct wide-angle projection image, since the projector always irradiates the entire projection surface 7 (under certain circumstances, narrow marginal areas may occasionally be left out for a short time).
  • the projection surface 7, indicated in dotted lines in the figure, has the curvature shown, which, as can be seen from the figure, in the central, central projection region 8 has a curvature whose center of curvature is close to, preferably directly in the projection center in the middle position 9, as the axis of curvature, he receives the reference numeral 9 '.
  • the curvature of the PiOJetationsfikiee 7 increases upwards and downwards and can, as in the example shown, open tangentially into the horizontal floor 10 and the horizontal ceiling 11 or terminate parallel to them.
  • the projection surface in a horizontal section through the apex region or the upper and the lower edge 12, 13, for example as in the aforementioned US-A, but this is because of the mostly substantially square wall surface 14, which is covered by the projection surface 7 and because of the generally only very small rotation of the stage 2 and thus of the projection center 9 about the vertical axis only of minor importance.
  • the distance between the projection center 4 and the apex region 8 typically amounts to 0.7 times to 1.3 times the direct distance between the edges 12, 13 of the projection surface, regardless of the contact angle the projection surface in this area.
  • the width of the projection surface typically also fulfills this condition in the case of a straight upper edge 13 and lower edge 12, without the covered area having to be square. For larger width, an additional curvature in the horizontal section is favorable.
  • the change in the position of the projection center from the projection surface due to the movement of the platform changes the dimensions only minimally, since already for safety reasons a maximum movement amplitude of 40 cm; thus ⁇ 20 cm is to be kept. This means a deviation of ⁇ 2.5% at a typical distance 8-9 of approx. 8 m.
  • the projection surface 7 can on the one hand in known manner by a conventional woven and correspondingly elastic projection surface, as used in the cinema and the like, exist, it is of course also possible to massively form this surface, for example, plastic plates, or lightweight brick, the appropriately milled and smoothed. It is advantageous in the case of the use of more widely woven materials that the space remaining behind the projection surface is free and can be used for mounting loudspeakers and additional light effects, pyrotechnic effects, etc., since the usual "canvas" is also permeable to the same ,
  • the invention is not limited to the illustrated embodiment, but may be variously modified.
  • spectators to have correspondingly large halls 1, for example with a plurality of superposed living areas (stages, platforms), the projection surface in its upper and lower edge regions 12 and 13 with a finite angle to the floor 10 or to the ceiling 1 1 leave, because these areas are then already at the edge of the field of view of each visitor.
  • the extent of the movement of the stage about the horizontal transverse axis on the one hand does not have to be as large as mentioned above, the advantages of the projection surface according to the invention are noticeable even with much smaller movements of the projector.
  • the excellent mobility, especially forward, promotes the illusion of visitors in particular. Therefore, the movements of the platform can be even greater, but this requires, especially at end positions further back, a security system for the individual visitor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Multimedia (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne une surface de projection courbe (7), en particulier pour projection sur écran géant, où les dimensions de l'écran sont tellement grandes par rapport à la distance moyenne vis-à-vis du public que le spectateur a l'impression de se trouver au milieu de ce qui se passe et non pas de regarder quasiment de l'extérieur ce qui se passe. L'invention est caractérisée en ce que la surface de projection est courbée selon au moins un axe horizontal (9'). Une forme de réalisation concerne une plate-forme mobile pour les visiteurs, sur laquelle est monté le projecteur pour la projection. De préférence, les visiteurs se tiennent sur cette plate-forme et s'appuient sur une balustrade, ce qui permet une inclinaison particulièrement forte vers l'avant.
PCT/AT2008/000415 2008-11-14 2008-11-14 Surface de projection et scène WO2010054413A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/AT2008/000415 WO2010054413A1 (fr) 2008-11-14 2008-11-14 Surface de projection et scène

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT2008/000415 WO2010054413A1 (fr) 2008-11-14 2008-11-14 Surface de projection et scène

Publications (1)

Publication Number Publication Date
WO2010054413A1 true WO2010054413A1 (fr) 2010-05-20

Family

ID=40791109

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2008/000415 WO2010054413A1 (fr) 2008-11-14 2008-11-14 Surface de projection et scène

Country Status (1)

Country Link
WO (1) WO2010054413A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091886A1 (fr) * 2011-12-23 2013-06-27 Simtec Systems Gmbh Dispositif de projection de film et procédé de projection d'un film
CN103953207A (zh) * 2014-04-25 2014-07-30 温州南方游乐设备工程有限公司 一种球幕影院旋转观影平台

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639224A (en) * 1984-04-30 1987-01-27 Minolta Camera Kabushiki Kaisha Multiple projector planetarium drive system
WO1991007696A1 (fr) * 1989-11-22 1991-05-30 Imax Systems Corporation Procede et appareil de projection d'images cinematographiques tridimensionnelles
US6042238A (en) * 1996-01-17 2000-03-28 Seos Displays Limited Image projection display system for use in large field-of-view presentation
US20050041211A1 (en) * 2003-08-18 2005-02-24 Evans & Sutherland Computer Corporation Reflection barrier for panoramic display
US20070133089A1 (en) * 2005-12-08 2007-06-14 Real D Projection screen with virtual compound curvature

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639224A (en) * 1984-04-30 1987-01-27 Minolta Camera Kabushiki Kaisha Multiple projector planetarium drive system
WO1991007696A1 (fr) * 1989-11-22 1991-05-30 Imax Systems Corporation Procede et appareil de projection d'images cinematographiques tridimensionnelles
US6042238A (en) * 1996-01-17 2000-03-28 Seos Displays Limited Image projection display system for use in large field-of-view presentation
US20050041211A1 (en) * 2003-08-18 2005-02-24 Evans & Sutherland Computer Corporation Reflection barrier for panoramic display
US20070133089A1 (en) * 2005-12-08 2007-06-14 Real D Projection screen with virtual compound curvature

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091886A1 (fr) * 2011-12-23 2013-06-27 Simtec Systems Gmbh Dispositif de projection de film et procédé de projection d'un film
DE102011122229A1 (de) * 2011-12-23 2013-06-27 Simtec Systems Gmbh Filmvorführvorrichtung und Verfahren zum Vorführen eines Films
CN104011591A (zh) * 2011-12-23 2014-08-27 西姆泰克系统有限责任公司 影片放映装置和用于放映影片的方法
CN103953207A (zh) * 2014-04-25 2014-07-30 温州南方游乐设备工程有限公司 一种球幕影院旋转观影平台
CN103953207B (zh) * 2014-04-25 2016-04-06 温州南方游乐设备工程有限公司 一种球幕影院旋转观影平台

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