EP2147559A1 - Projection of different image contents in a large-capacity cabin of a transport means - Google Patents
Projection of different image contents in a large-capacity cabin of a transport meansInfo
- Publication number
- EP2147559A1 EP2147559A1 EP08750233A EP08750233A EP2147559A1 EP 2147559 A1 EP2147559 A1 EP 2147559A1 EP 08750233 A EP08750233 A EP 08750233A EP 08750233 A EP08750233 A EP 08750233A EP 2147559 A1 EP2147559 A1 EP 2147559A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projector
- projection
- image
- projection device
- wall
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Definitions
- the invention relates to projection devices in a large-capacity cabin of a means of transport.
- the present invention relates to a
- Ceiling projection device for projection of image contents on an inner wall in a means of transport, the use of such a ceiling projection device in an aircraft, an aircraft with a ceiling projection device, a method for projecting image contents on an inner wall in a means of transport, and a projection system.
- a ceiling projection device for projecting image contents onto an inner wall in a large-capacity cabin of a means of transport, wherein the ceiling projection device has a projector for generating optical Image content and for projecting the image content generated by the projector on an inner wall of the transport means.
- the inner wall can be, for example, a ceiling panel, a side wall or the floor of the cabin.
- the large-capacity cabin of the means of transport may be, for example, a passenger cabin in an aircraft.
- the ceiling projection device can also be used in large cabins of other means of transport, such as a bus, a ship or a train wagon.
- the ceiling projection device has a combination of a projector and a reflective medium, such as a mirror, which cooperate in such a way that the image produced by the projector or the film produced by the projector is not conducted directly onto the ceiling is, but after leaving the projector from the mirror in the direction of ceiling panel is redirected. If no mirror is provided, the wall is illuminated directly. Due to the mirror / reflective medium, the path that moves the image from the projector to the ceiling (panel) is extended. In this way, the angle of impact of the image on the panel can be adjusted without the need to change the mounting location of the projector. Rather, the projector can be tilted.
- a reflective medium such as a mirror
- the mirror has a ball and socket support for precise adjustment of the location at which the image contents are projected onto the ceiling panel or the inner wall.
- the mirror can be tilted both along the horizontal and along the vertical. In this way, the image produced by the projector or the film produced by the projector can be deflected both upwards and forwards or backwards (ie laterally) in order to reach completely different locations in the cabin.
- the projector has a holding arm with which the projector is fastened to a cabin structure of the means of transport.
- the holding arm can in this case be designed such that a tilt, a height adjustment or a horizontal displacement of the projector is possible.
- the holding arm made of aluminum.
- the projector is integrated in a luggage storage compartment of the means of transport, in a passenger seat of the means of transport or in a floor element of the means of transport.
- the mirror is also integrated in the luggage rack (hatrack).
- the luggage storage compartment has a frame with a trapezoidal recess, so that - A -
- Light from the projector can emerge from the overhead storage compartment only in a trapezoidal cone. An unintentional glare of the passengers can be avoided hereby.
- the ceiling panel is a semi-transparent ceiling panel, with the projector positioned above the semi-transparent ceiling panel of the cabin.
- the projector can project the image contents onto the semi-transparent ceiling panel from above. This image content can then be seen from below by the passengers.
- the ceiling projection device further comprises an infrared receiver on the detector for detecting an optical on / off signal and an infrared diode for generating the optical on / off signal, wherein the generation of the optical on / off Signal is triggered by a control unit which is connected via a cable to the infrared diode.
- a receiver for detecting an on / off signal via radio is provided. Also, a wired control of the ceiling projection device is possible.
- the control unit has, for example, a switch via which a user can switch off or switch on the projector.
- the control unit sends a corresponding signal to the infrared diode, which then generates a corresponding optical signal.
- the optical signal of the infrared diode is then picked up by the infrared receiver of the detector and processed accordingly.
- the ceiling projection device furthermore has a computer unit for equalizing the image contents before the projection onto the ceiling panel or the inner wall.
- the ceiling projection device furthermore has a DVD player, which is controlled by a computer program, for decomposing the image contents into three equally sized partial videos (for example a so-called "software DVD player")
- a computer program for decomposing the image contents into three equally sized partial videos (for example a so-called "software DVD player")
- Each of the three computer units has two graphics cards, which are designed for further processing of each one sub-video and for providing different image data to four projectors, so that a continuous Picture on the ceiling panel / the inner wall can project.
- a projection system is provided for ceiling projection of image content in a means of transport, for example an aircraft, which has a large number of ceiling projection devices, as described above.
- the projection system has 12 projectors mounted in the hatracks (overhead storage bins) and a corresponding number of deflecting mirrors.
- an aircraft is specified with a corresponding ceiling projection device.
- a method for projecting image contents onto an inner wall in a means of transport, in which optical image contents are generated and the generated image contents are deflected onto a ceiling panel of a transport means.
- the method comprises the additional step of equalizing the image contents before projecting onto the inner wall.
- Projection system for ceiling projection of image content specified in a means of transport which has a plurality of the ceiling projection devices described above and a computer system, which for equalizing the image content before the projection on the inner wall, for washererbearb hurry of sub-videos and for providing different image data is performed on four projectors, so that a continuous image can be projected on the inner wall or the ceiling panel.
- Fig. 1 shows a schematic representation of the Gireverkippung
- FIG. 2 is an illustration of a projector lens assembly according to another embodiment of the present invention.
- FIG. 2 is an illustration of a projector lens assembly according to another embodiment of the present invention.
- FIG 3 shows a schematic illustration of the mirror alignment according to an exemplary embodiment of the present invention.
- FIG. 4 shows a schematic illustration of the dimensions of the projector opening according to an exemplary embodiment of the present invention.
- FIG 5 shows a beamer opening in a hatrack according to an exemplary embodiment of the present invention.
- FIG. 6 shows an arrangement of the projector openings in the hatracks according to an exemplary embodiment of the present invention.
- Fig. 7 shows the beam path of the projector according to an embodiment of the present invention.
- FIG. 8 shows possible projector positions in an aircraft cabin according to an exemplary embodiment of the present invention.
- Fig. 9 shows a rear projection via mirrors according to an embodiment of the present invention.
- Fig. 10 shows a direct backprojection according to an embodiment of the present invention.
- FIG. 11 shows the projection of various image contents onto a ceiling panel of an aircraft according to an exemplary embodiment of the present invention.
- Fig. 1 shows a representation of possible projector tilting and mirror alignments according to an embodiment of the present invention.
- a projector 101 is provided, which is arranged on a base plate 105.
- the base plate 105 can also be embodied as a correspondingly mounted arm (holding arm) and is capable of displacing the projector in the horizontal direction 104 by, for example, 10 mm in each case in order to be able to fine-tune the projector 101.
- a tilt of the projector 101 is possible, for example, plus minus 15 ° (see reference numerals 103, 111).
- a mirror 102 is provided, which deflects the projection beam from the projector onto the ceiling panel (not shown in FIG. 1).
- a second projector 109 which is installed on a second base plate 113 and a second holding arm 113, respectively. Furthermore, a second mirror 110 is provided for deflecting the beam from the second projector onto the ceiling panel. The second projector 109 can also be moved up and down or tilted. Also, a rotation of the projector 109 along its longitudinal axis 114 take place.
- the distance between the two projectors 101, 109 to each other for example, 900 mm. But there are other distances possible.
- the relative position of the reference points 106, 115 of the mirrors 102, 110 and the centers of the projected images 107, 108 (which correspond to the aperture centers of the projector optics) is shown schematically in the lower area of FIG.
- the image center 107 is located approximately 15 mm above the reference point 106. Accordingly, the central point 108 of the image from the right-hand projector is approximately 15 mm below the reference point 115.
- each of which projects via a mirror onto the opposite ceiling panel.
- the mirrors serve on the one hand to extend the light path and thus to increase the projection area and on the other hand to rotate the image (which can be achieved via a corresponding tilting of the mirror).
- the line structure of the projector for example, a Digital Light Processing Beamer (DLP Beamer)
- DLP Beamer Digital Light Processing Beamer
- the resulting stripe pattern is less distracting if the strips become narrower and contract closer due to the skewed position of the image.
- Such an adjustment can be achieved by a rotation of the projector about the projection axis (as can be seen in Fig. 1).
- the projection beam can be deflected by means of a tiltable mirror 102, 110.
- the rotation of the image is accomplished in this case by rotation about the transverse axis of the projector.
- a significant amount of heat energy which must be removed by means of suitable cooling measures to avoid a reduction in the life of the lamp. Sufficient cooling air flow is to be ensured, design and geometric orientation of lamp and projector must be taken into account.
- Fig. 2 shows a relative arrangement of mirror 102 and projector 101.
- the mirror is, for example, a metal plate or a conventional mirror.
- the mirror has, for example, a dimension of 81 ⁇ 81 ⁇ 1 mm.
- the longitudinal axis or image axis of the projector is represented by the reference numeral 201.
- the projector 101 may include a lens 202 for appropriately focusing or expanding the projection beam.
- the projector unit 101 may be attached to the cabin structure by means of an aluminum arm. This allows positioning of the projector in the Y-axis (aircraft coordinates) and an approximate setting of the projection direction.
- the deflecting mirror 102 is attached, for example, to a ball joint mount, whereby the fine adjustment of the image on the ceiling panels can be significantly facilitated.
- the subsequent equalization of the image is done with a commercially available software.
- the distance between the image axis 201 and the reference point 106 here (in the image plane) is 7.5 mm (see reference numeral 203).
- Fig. 3 shows the mirror alignment of Fig. 2, but this time not seen from below (as in Fig. 2), but from the side.
- the distance between the projector lens 202 and the reference point 106 is, for example, 41.7 mm.
- the horizontal distance between the bottom edge of the projector and the reference point is, for example, 55.5 mm (see reference numerals 301, 302).
- the hatrack 400 has two openings 401, 402, which have a distance of 900 mm from each other (reference numeral 403). This distance can also be reduced, for example to 800 mm.
- the dimensions of the openings 401, 402 are for example 75 x 60 mm.
- the heights 404, 405, in which the Beamerö réelleen are mounted, are variable.
- FIG. 5 shows a beamer opening 401 in the hatrack.
- the projectors project through openings in the hatracks to the ceiling.
- frame 501 can be used, which have trapezoidal recesses. These recesses are shaped in such a way that the light from the projectors can emerge from the hatracks only in a trapezoidal cone (see FIG. 7).
- this serves as privacy protection, so that people who are in the cabin can not see into the hatrack.
- this disturbing light is blocked. Without the trapeze, stray light from one projector would not only fall on the desired projection surface, but also on the neighboring panels. At such Digits, even with black image content, would add up the residual brightness of multiple projectors and produce a highly visible triangular pattern.
- Fig. 6 shows a possible arrangement of Beameröffhungen in the hatracks 603, 604.
- the openings 401, 402 are in this case in the first hat rack 603.
- the openings 601, 602 are located in the second hatrack 604.
- the openings are in the respective upper regions of Hatracks arranged. But you can also be further down or a bit further up, depending on requirements.
- FIG. 7 shows one possible beam path of the projector 101.
- the projector 101 generates an image beam, which is focused accordingly by the projector lens 202.
- the light bundle 701 emerging from the projector has a rectangular cross-section 702 which converts into a trapezoidal surface on the ceiling of the aircraft cabin which is at an angle to the projection direction.
- a suitable aperture 401 see FIG. 6
- the projection surface can be trimmed to a rectangle. This has the advantage that no light components that are not needed for the projection, reach the screen surface and thus can not contribute to an avoidable reduction in contrast.
- the projection opening is reduced, so that unwanted insights into the projection system and glare for viewers are limited.
- the projectors are, for example, aerospace-certified projectors with the smallest possible dimensions so as not to reduce the storage space in the hatracks too much.
- the projectors include, for example, a lamp as a light source and various pixel array image generators (DLP, LCOS, LCD, ).
- the projector can be designed as a LED projector or as a projector with scanning image structure, preferably with laser light sources or as a projector with holographic elements for imaging and laser power sources.
- FIG. 8 shows possible projector positions in a passenger cabin 800.
- the passenger cabin 800 is shown in plan view in FIG. 8. Sideways the cabin
- the projectors 805, 806 are installed, for example, in the hatracks above the seats 801 and 802, respectively, or laterally in the backrest.
- the projector 808 is housed, for example, in the floor of the passenger cabin. Similarly, projectors 809 are mounted behind the seats.
- the projector 807 is located in the front area of the passenger cabin and is integrated, for example, in the floor or in the wall 803. Accordingly, the projector 812 is located in the rear area of the passenger cabin and is integrated, for example, in the floor or in the rear wall 804.
- the projectors can therefore be positioned at very different locations in the aircraft, where a ceiling projection is also possible. As can be seen in FIG. 8, these are, for example, positions behind the seats or in the floor. Furthermore, a rear projection through a semi-transparent ceiling into consideration.
- 9 shows a schematic cross-sectional view of the ceiling area in an aircraft.
- the ceiling area 900 has a transparent or semitransparent ceiling 901, over which two projectors 101, 109 are mounted, which direct their projection beams onto a mirror 902, which then deflects the beams so that they are projected onto the semitransparent ceiling from above. 9 therefore shows the projection of the image contents via a mirror 902 onto the semitransparent ceiling 901.
- Fig. 10 also shows a schematic cross-sectional view of the upper
- one of the two detectors 101 can directly illuminate the semi-transparent ceiling 901, while the other one irradiates the ceiling indirectly by means of the mirror 902 (see FIG. 9).
- the switching on and off of the projectors can be done for example via an infrared diode.
- the projector's infrared receiver is attached so that infrared signals for on / off can be sent to the projector via cable.
- a software DVD player is used, which decomposes the whole picture into three equal partial videos. These sub-videos are sent to three computers, which read and equalize the signal using a frame grabber card, for example using graphical hardware or software equalization. Each of these three computers has two graphics cards with two video graphics array (VGA) outputs each. Thus, every single computer can be up to four Supply projectors with different image data. In total, therefore, twelve separate data streams are available, so that a continuous image can be projected on the ceiling (see FIG. 11).
- VGA video graphics array
- Fig. 11 shows the ceiling portion of a passenger cabin 1100, which three
- Ceiling panels 1101, 1102, 1103, on which the image data are projected over a large area may also be designed as hatrack chains.
- the entire projection system is designed in such a way that complete films can be played in the entire ceiling area of the passenger cabin, with each projector projecting a specific part of the film.
- any content can be projected onto curved aircraft cabin ceilings.
- optical systems for image enhancement with respect to geometry and various image disturbances can be provided.
- the cramped conditions of the aircraft cabin can be subjectively increased for the passenger. Furthermore, the maintenance value or the flight comfort in an aircraft cabin can be improved.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007023344.4A DE102007023344B4 (en) | 2007-05-16 | 2007-05-16 | Projection of various image contents in a large-capacity cabin of a means of transport |
PCT/EP2008/055754 WO2008138890A1 (en) | 2007-05-16 | 2008-05-09 | Projection of different image contents in a large-capacity cabin of a transport means |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2147559A1 true EP2147559A1 (en) | 2010-01-27 |
Family
ID=39682497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08750233A Withdrawn EP2147559A1 (en) | 2007-05-16 | 2008-05-09 | Projection of different image contents in a large-capacity cabin of a transport means |
Country Status (4)
Country | Link |
---|---|
US (1) | US8608317B2 (en) |
EP (1) | EP2147559A1 (en) |
DE (1) | DE102007023344B4 (en) |
WO (1) | WO2008138890A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009008084B4 (en) | 2009-02-09 | 2018-04-05 | Airbus Operations Gmbh | Imaging lighting for aircraft interior surfaces |
DE202010017393U1 (en) | 2010-10-26 | 2012-01-27 | Diehl Aerospace Gmbh | Functional device for a passenger cabin |
MX351496B (en) | 2012-03-01 | 2017-10-16 | Hitch Demon Llc | Apparatus, system, and method for displaying content on a vehicle. |
US9158185B2 (en) * | 2013-01-07 | 2015-10-13 | Lumexis Corporation | Personal interactive overhead projection inflight entertainment system |
US9341307B2 (en) | 2013-10-21 | 2016-05-17 | Hitch Demon, Llc | Apparatus, system, and method for displaying content on a vehicle |
US9731824B2 (en) * | 2015-03-11 | 2017-08-15 | The Boeing Company | Unique system and method of creating scenes within a moving vehicle such as an aircraft |
DE102015117401A1 (en) | 2015-10-13 | 2017-04-13 | Airbus Operations Gmbh | Aircraft cabin arrangement |
US10940790B1 (en) | 2015-12-01 | 2021-03-09 | Apple Inc. | System and method for adjustable lighting based on occupant and object identification in a vehicle |
US10048560B1 (en) | 2015-12-01 | 2018-08-14 | Apple Inc. | Transparent structure with controllable lighting |
US10843535B1 (en) | 2015-12-01 | 2020-11-24 | Apple Inc. | System and method for dynamic privacy and window tinting |
DE102016006703B4 (en) | 2016-06-01 | 2019-05-09 | Diehl Aerospace Gmbh | Lighting arrangement for an interior of a vehicle |
DE102018004829A1 (en) * | 2018-06-15 | 2019-12-19 | Diehl Aerospace Gmbh | Determination of predistortion data for a projection and projector module |
DE102018006840A1 (en) * | 2018-08-29 | 2020-03-05 | Diehl Aerospace Gmbh | Passenger cabin, lighting arrangement and operating procedures |
US11988948B2 (en) | 2021-05-26 | 2024-05-21 | The Boeing Company | Personal projection system for travel environments and methods of operating thereof |
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DE29708850U1 (en) * | 1997-05-20 | 1997-07-31 | Borden, Christian, 45772 Marl | Aircraft video system |
US6568814B2 (en) * | 1999-03-03 | 2003-05-27 | 3M Innovative Properties Company | Integrated front projection system with shaped imager and associated method |
IT1308864B1 (en) * | 1999-11-05 | 2002-01-11 | Sim2 Multimedia Spa | DEVICE FOR POSITIONING A VIDEO PROJECTOR USED IN REAR PROJECTION. |
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US6964481B2 (en) * | 2003-11-24 | 2005-11-15 | The Boeing Company | Apparatus and method for projecting identifying information onto seats |
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DE102004031700B4 (en) * | 2004-06-30 | 2010-02-18 | Airbus Deutschland Gmbh | Airplane with information display system |
EP1784978B1 (en) * | 2004-08-30 | 2010-11-10 | Bauhaus-Universität Weimar | Method and device for representing a digital image on a surface which is non-trivial in terms of its geometry and photometry |
US7812784B2 (en) * | 2005-11-02 | 2010-10-12 | Chung Lung Chang | Headrest mounted entertainment system |
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2007
- 2007-05-16 DE DE102007023344.4A patent/DE102007023344B4/en not_active Expired - Fee Related
-
2008
- 2008-05-09 WO PCT/EP2008/055754 patent/WO2008138890A1/en active Application Filing
- 2008-05-09 EP EP08750233A patent/EP2147559A1/en not_active Withdrawn
- 2008-05-09 US US12/600,135 patent/US8608317B2/en active Active
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US3359855A (en) * | 1966-09-09 | 1967-12-26 | James E Webb | Optical projector system |
US20010017687A1 (en) * | 1999-03-03 | 2001-08-30 | 3M Innovative Properties Company | Integrated front projection system with distortion correction and associated method |
US20020105623A1 (en) * | 2000-12-06 | 2002-08-08 | International Business Machines Corporation | Multiple-surface display projector with interactive input capability |
JP2004312480A (en) * | 2003-04-09 | 2004-11-04 | Mitsubishi Electric System & Service Co Ltd | Video image projection system |
US20070024821A1 (en) * | 2005-07-28 | 2007-02-01 | Hewlett-Packard Development Company, L.P. Intellectual Property Administration | Cabinet-surface-mounted projection lens and methods |
DE102005037797A1 (en) * | 2005-08-03 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Projection e.g. head up display, calibration system for e.g. motor vehicle, has control unit controlling unit for automatic adjustment of calibration, so that distortion free function, of projection is satisfied |
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Title |
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See also references of WO2008138890A1 * |
Also Published As
Publication number | Publication date |
---|---|
US8608317B2 (en) | 2013-12-17 |
WO2008138890A1 (en) | 2008-11-20 |
US20110095911A1 (en) | 2011-04-28 |
DE102007023344B4 (en) | 2017-03-02 |
DE102007023344A1 (en) | 2008-12-18 |
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Inventor name: SCHMIDT, HOLGER Inventor name: VELTEN, MARC S. Inventor name: LOBENTANZER, HANS Inventor name: DREYER, DANIEL Inventor name: JAUNICH, TORSTEN Inventor name: BABST, ULRICH |
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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20200710 |