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WO2007013847A1 - Appareil et systeme pour l'affichage d'information de navigation - Google Patents

Appareil et systeme pour l'affichage d'information de navigation Download PDF

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Publication number
WO2007013847A1
WO2007013847A1 PCT/SE2006/000909 SE2006000909W WO2007013847A1 WO 2007013847 A1 WO2007013847 A1 WO 2007013847A1 SE 2006000909 W SE2006000909 W SE 2006000909W WO 2007013847 A1 WO2007013847 A1 WO 2007013847A1
Authority
WO
WIPO (PCT)
Prior art keywords
projector
projection
screen
navigation
navigation signals
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
Application number
PCT/SE2006/000909
Other languages
English (en)
Inventor
Esteban Arboix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optea AB
Original Assignee
Optea AB
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 Optea AB filed Critical Optea AB
Priority to EP06758089.4A priority Critical patent/EP1913572A4/fr
Publication of WO2007013847A1 publication Critical patent/WO2007013847A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G09B29/102—Map spot or coordinate position indicators; Map reading aids using electrical means
    • G09B29/104—Map spot or coordinate position indicators; Map reading aids using electrical means involving the optical projection of slides, microfilm or the like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G09B29/106—Map spot or coordinate position indicators; Map reading aids using electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/047—Displays or indicators
    • 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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens

Definitions

  • the present invention is related to the field of displaying means, and in particular a projector comprising means for displaying navigation information.
  • GPS Global Positioning System
  • GPS navigators usually comprise a receiver unit with an antenna for receiving signals transmitted from the GPS satellites, a display for displaying a chart, navigation chart and/or directions to a certain destination, and software for performing said functions .
  • GPS receivers There is a multitude of different GPS receivers on the market. There are, for example, portable GPS receivers for use in boats and cars and the like. Generally, making an apparatus portable entails the wish to make them as small as possible, while maintaining them user-friendly, and, of course, ensuring that their functions and purpose are still being fulfilled. A portable GPS receiving unit including a display unit is rather small, and the viewing of for example a nautical chart can therefore be difficult. A larger display unit may be used, but at the expense of making the GPS navigator larger and thus less portable and consequently less attractive to bring along.
  • GPS navigation apparatuses for stationary use, i.e. where the apparatus is fixedly mounted in, for example, a boat or the like.
  • the display unit can be made larger and the viewing of charts and the like is thereby facilitated.
  • drawbacks involved when making the GPS navigators stationary The user has to buy several navigators, one for each application, e.g. the car, the boat etc. Further, since they are expensive they are also prone to be stolen, whereby the user often chooses to take expensive precautions for preventing such thefts.
  • the display often a LCD, is sensitive to cold weather and may be unreliable in cold environments .
  • GPS including the display gives a very inflexible solution.
  • Mobile environments such as a boat, car or other vehicle, and in particular the steering places of such mobile environments, are often small and have little space for auxiliary mountings, such as a display.
  • auxiliary mountings such as a display.
  • Specific user requirements for example specific distance from the driver's place to the screen, corresponding angles, and styling preferences may therefore be hard to comply with in such environments .
  • GPS including the display should be mounted near the driver enabling him or her to properly see the display.
  • the GPS apparatus is thus exposed to rain and seawater, often salt water, and measures have to be taken to protect it and make it watertight. This entails additional costs and inconvenience for the user.
  • An object of the present invention is to provide an apparatus and system overcoming the above-described problems.
  • a further object of the invention is to provide a handy and portable all-in one device for facilitating navigation, especially on sea.
  • a projector for projecting images onto a projection surface.
  • the projector comprises means for receiving navigation signals and means for processing the navigation signals into navigation information.
  • the projector is used for displaying the navigation information on a projection surface.
  • an excellent displaying means is provided, enabling a user to most conveniently bring along a small and handy portable navigation apparatus, having display means the size of which may be easily varied.
  • the projector may be installed on a boat and used in order to display nautical charts or the like on an optional surface or screen. Further, the projector in accordance with the invention may be used for displaying other information, a movie or the like, thus used as a conventional projector.
  • a very flexible navigation means is thus provided, having a multi-purpose advantage .
  • the means for the reception of navigation signals and the means for processing the navigation signals are integrated into a single module, the module in turn integrated within the projector.
  • the means for reception of navigation signals comprises a GPS receiving unit.
  • the means comprises a Galileo, GLONASS or LORAN receiving unit. Accurate and readily available navigation signals are thus used, increasing the usability of the invention and providing great flexibility.
  • the projector comprises means for front projection and rear projection.
  • dual-mode projector provides a multifunctional feature to the invention, in that it can be used for showing a movie or when surfing the Internet, as well as the displaying of nautical charts or the like. If using such dual-mode projector it may be fixedly mounted and still be used for both applications. Further, the projector may be placed inside a boat, protected against wind and weather without having to take any additional measures to make it weatherproof, and still enabling the driver to see a nautical chart or the like when rear projection is used.
  • the processing of the navigation signals comprises converting the received navigation signals from a satellite-based reference system into a land-based reference system.
  • a displaying of nautical charts or maps or the like is thereby enabled, providing the much appreciated GPS-application.
  • the present invention is also related to a system comprising such projector, by means of which advantages similar to the above described are achieved.
  • Figure 1 shows schematically the inventive projector.
  • Figures 2a-2b show schematically the dual-purpose function of the invention, applied in a boat.
  • Figure 3 shows the embodiment of figures 2a-b in another, partly cut away view. Detailed description of preferred embodiments
  • the projector 1 in accordance with the invention comprises, in conformity with a conventional projector, an optics system including a light source, illumination optics and projection lens.
  • the one or more light source could for example be a monochrome or polychrome light source.
  • the projector further comprises software and electronics, for example controlling the optical devices and the opto-electro-mechanical system of the projector and ultimately transforming the input signals to an image to be projected.
  • This controlling comprises conventional processing, such as for example controlling gamma correction, as is well known within the field.
  • a light modulator is included, for creating an image, for example DLP (digital light processing), LCoS (Liquid crystal on Silicon) or LCD (liquid crystal display).
  • DLP digital light processing
  • LCoS Liquid crystal on Silicon
  • LCD liquid crystal display
  • the image is created by microscopically small mirrors laid out in a matrix on a semiconductor chip, known as a Digital Micromirror Device (DMD) .
  • DMD Digital Micromirror Device
  • Each mirror represents one pixel in the projected image and the number of mirrors corresponds to the resolution of the projected image.
  • the projector 1 also includes means for converting received image data to an image to be displayed on a projection surface.
  • the projector 1 in accordance with the invention has to be connected to a power source, for example connected to a wall socket or a car battery or a boat battery. It thus lacks a power source of its own. This is in contrast to handheld projectors or pocket projectors, which utilize an integrated special purpose battery, i.e. does not have to be connected to an external power source, hence their portability.
  • the integrated special purpose battery often constitutes a very large part of the total size of a portable device, such as a pocket-projector or mobile phone.
  • the small handheld projectors have much smaller light-intensities and are therefore not able to project an acceptable quality of the picture, for larger picture sizes.
  • the light-sources of today have generally a relatively poor efficiency and the image quality is to a high degree proportional to the light-intensity.
  • These pocket projectors therefore tend to project much smaller image sizes to compensate for the lack of power.
  • the projector 1 in accordance with the present invention is able to display larger picture sizes, for example 420 mm x 594 mm, with an acceptable image quality. With the current technologies it is not feasible to display a bright enough picture of such size by means of a pocket projector.
  • the projector 1 in accordance with the invention also comprises power supply unit means for handling the input power.
  • the connection to and use of an external power source enables the projector 1 to be used for showing large high quality images and other more power consuming applications. This is in contrast to pocket projectors, which lack the ability to display a large high quality image or be used for other applications requiring any large amounts of power, as explained above.
  • the projector 1 may be arranged to operate on an input power of 12 V DC, 24 V DC or any other standard DC-value depending on the application in question. If a transformer is included, which transformer may be external or internal to the power supply unit, 110 V AC and/or 220 V AC may be utilized for the operation of the projector.
  • the projector is able to operate on input powers varying between 12 V DC and 24 V DC, preferably in addition to input powers of 110 V AC and 220 V AC.
  • the projector is thus able to operate on a variety of different voltages.
  • the projector 1 may thus be connected to an optional, external power source, such as the battery of a boat or a car. By means of this feature, the projector 1 can be brought along and used in several different environments .
  • the inventive projector 1 further comprises means 2 for receiving navigation signals .
  • the reception means 2 may for example be arranged to receive navigation signals from the existing GPS system, indicated in figure 1 by the dashed line" 8.
  • the means 2 thus comprises a GPS receiving unit.
  • DGPS Different GPS
  • the projector 1 further comprises means 3 for processing the received navigation signals into navigation information suitable for being displayed on a projection surface 5.
  • the processing means 3 may be any suitable processor unit or circuitry enabling such tasks to be performed.
  • the reception means 2 and the processing means 3 are integrated into a single module 4, and the module 4 in turn is integrated with the projector 1.
  • the means 2 for the reception of the navigation signals is located external to the projector 1.
  • the navigations signals are transferred to the projector 1 by connecting it to a simple GPS receiver having no processing intelligence, but merely the ability to receive and forward navigation information.
  • the projector 1 then comprises the means 3 for processing the navigation signals received by the "dummy" GPS receiver.
  • the navigation signals may be transferred to the projector 1 by means of an USB (Universal Serial Bus) connection, IR connection, Bluetooth connection or the like.
  • USB Universal Serial Bus
  • IR connection IR connection
  • Bluetooth connection or the like.
  • the continuous line 9 schematically indicates such connection.
  • the projector 1 may be adapted for the reception of a plug-in GPS receiver, this being an example of the external means 2 for receiving navigation signals, wherein the projector 1 then comprises interface means for the reception of such a plug-in device.
  • the projector 1 may further comprise a memory device (not shown) for storing nautical charts, maps and the like, easily downloadable into the projector by connecting the projector to a computer or the like, from which the nautical charts or maps are ⁇ downloaded.
  • a memory device may be integrated with • the processing means 3, or be connectable to the processing means 3 within the projector 1. It is realised that when a connectable, for example a plug-in, memory device is utilised, there is no need for connecting the projector to a computer also; the downloading of information into the memory has already been done in a prior step.
  • Such memory device may be a USB-memory or the like.
  • the means 3 (or module 4, if integrated) comprises circuitry for processing the received navigation signals.
  • the position information obtained from the satellites is related to the reference system of the satellite system, being a global one.
  • the user presumably wants to display the position in a local or national reference system and a transformation to such system then has to be performed. In accordance with the invention, this is performed within the inventive projector 1.
  • Other processing such as adding road directions in text, continuously updating and displaying velocity information, etc. may also be performed.
  • Figure 1 also illustrates one possible use of the projector in accordance with the invention, namely for displaying nautical charts, which will be described more in detail later.
  • the current location is indicated by a cross, see arrow 10.
  • a projector comprises several power consuming parts .
  • the power needed is also a concern as regarding GPS receivers.
  • the more data that is being processed in the GPS receiver the more power is consumed and, of course, the more processing capacity is required.
  • the processing means needed for calculations is provided integrated with the projector, namely by the means 3 or by the integrated module 4.
  • the power consumption of the projector 1 may be lessened by, for example, reducing the luminance of the projector 1.
  • the means for receiving navigation signals 2 and the processing means 3 may be housed within a casing (not shown), preferably integrated within the projector (in which case no special casing is needed), as mentioned above, but may constitute a separate unit adapted to be connected to the projector. If such external unit is employed, it does not need to have a power source of its own, but may be arranged to be powered by means of the projector when connected to it. An USB-connection is one possible way to accomplish this.
  • the projector is connected to an external power source, and may be arranged to operate on 12 V DC and/or 24 V DC, preferably in addition to the usually selectable options of 110 V AC and 220 V AC.
  • the projector in accordance with the invention is preferably a projector 1 provided with means for rear projection (illustrated in figure 2a) and front projection (illustrated in figure 2b) .
  • Front projection is the most common type of projection, and comprises placing the projector in front of the screen or projection surface 5.
  • the projector 1 may thus be used for showing movies or used as the display means when surfing the Internet or the like.
  • rear projection also called back projection
  • the image is projected through a diffusion screen for example made of translucent or semitransparent material and the image is viewed from the side opposite to the projector, i.e. the imaged is projected onto the screen and viewed on the opposite side.
  • the image obviously has to be reversed, and means to this end is then provided, for example software performing such reversal of the image or using a series of mirrors to project the image onto the screen.
  • This mode is suitable for showing a nautical chart or the like, giving a very large image and greatly facilitating the navigation tasks performed by the driver.
  • such dual-mode projector is preferably used.
  • a projection surface suitable for rear projection is for example a diffusion screen, wherein a diffusing material is placed in the path of the light emitted from the projector and scatters it in different directions .
  • An optical Fresnel screen may be utilized for rear projection, wherein the incoming light from the projector is angled towards the viewer by means of Fresnel lenses.
  • a higher perceived brightness may be obtained by a lenticular/Fresnel screen surface compared to a diffusion screen surface.
  • Yet another alternative is to use a holographic screen. In a holographic screen all light passes through the screen as if it were a sheet of glass, except for some light that hits the screen at a specific angle. This light activates a holographic layer within the screen that scatters the light towards the viewer and thereby produces a viewable image.
  • any optional projection surface 5 may be used.
  • the projector 1 is mounted within the galley of a boat, as is shown in figures 2a-2b and figure 3, and preferably so as to be directed towards the steering place of the boat 6.
  • the door to the galley, or parts of it, may be used as the projection surface, and should then be made of a material suitable for rear projection and/or front projection.
  • An exemplary material to be used is semi-transparent or semi-matt plastics, such as polymethylmethacrylate (PlexiglasTM) , which is a material very suitable for use as a door in a boat, as well as being a material well suited for use as a projection surface.
  • a window, wall or the like, or parts of them may serve as the projection surface as well.
  • the door may be utilised as the projection surface, and no additional equipment is thus needed in the form of an expensive, portable screen or the like, i.e. not requiring a special wall or ceiling mounted screen.
  • the semi-matt door may be used for rear projection of a nautical chart, which is then visible for the user when steering the boat.
  • the ability of the projection surface or screen to reflect the image is important for achieving a high quality image, and a surface having as smooth structure as possible is preferred.
  • rear projection has a rather narrow viewing angle, and if choosing a screen giving a very high gain, the viewing angle is narrowed even further. Hence a compromise can be made 5 in this regard, between image quality and viewing angle.
  • Material having a rougher surface may be used as well, such as obscured glass.
  • an autopilot feature is included.
  • This course correction is accomplished for example by having the processing means 3 sending instructions to the autopilot feature for execution thereby. Any other information may be shown, such as for example, depth, wind conditions, temperature etc.
  • the projector in accordance with the invention may to advantage be placed inside a boat, when used in such application, where it is protected against wind and weather. The driver is still enabled to see a nautical chart or the like, if rear projection is used, for example through the door
  • the projector is thus at the same time protected against potentially harmful water, and no protection measures has to be taken, as would be necessary when using a conventional GPS, where the display may have to be covered.
  • the invention has been described and shown in connection with a boat, which is a preferred application, but the invention is not restricted to such usage, it may be used in other mobile applications as well.
  • the projector could be used in a caravan for displaying road maps and/or written directions to a specific destination on a suitable projection surface or screen, and for displaying movies and the like.
  • two different screens may be used.
  • a large screen is presumably preferred when watching a picture, while a smaller screen may be preferred for showing road maps .
  • the user may easily vary the size of the projection by zooming, and any available surface may be used.
  • Other exemplary mobile environments in which the present invention may be utilised includes cars, trucks, helicopters, aeroplanes, trains and the like.
  • the projector in accordance with the invention may be mounted as suitable for the specific application, and an image may be projected onto a space normally used for other purposes. For example, when used in a car the projector may be placed in the rear end of the car and be arranged to project onto the dashboard of the car.
  • the projector comprises circuitry for compensating and manipulating the image to be displayed, which circuitry may be used for utilizing any projection surface, even a non-flat projection surface may be used. Circuitry for image processing for other purposes may also be included, for example taking into account and correcting for effects on the displayed image when driving on a bumpy road.
  • the projector in accordance with the invention may easily be fixedly mounted. It may nevertheless easily be demounted and brought along.
  • the projector may include means for enabling such easy mounting and demounting.
  • the projector may, for example, be provided with easily mountable/demountable means such as winged nut or lettrad nuts, or by a means enabling mounting by rails or the like.
  • the site where the projector is to be mounted should of course then have corresponding means, for receiving the projector.
  • GPS Globalstar Navigation
  • GLONASS GLObalnaya NAvigatsionnaya Sputnikovaya Sistema
  • LORAN LOng RAnge Navigation
  • the present invention provides a small and handy projector yielding an improved system for the displaying of navigation information, and also, as a beneficial side effect, provides additional features.
  • the size of the inventive projector can be made very small, having the external dimensions of a few decimetres in length, a few centimetres in height and width, for example 2 dm x 0,5 dm x 1 dm. Larger dimensions are of course conceivable, and also even smaller dimensions.
  • the projector comprising an integrated GPS receiver also enables the user to display optional information, usually displayed by means of a projector, besides a navigation chart or the like.
  • the projector may be used for showing a movie, or surfing the Internet etc., when the user is in the galley of the boat, and used for viewing a nautical chart when steering the boat, without even having to move or rearrange the projector in any way. It is of course possible to display navigation information when being inside the boat, for example if an autopilot is used, and, similarly, watch a movie while sitting outside, i.e. the front projection usage is not restricted to movies and the rear projection is not restricted to displaying navigation information. Both projection modes may be used for all purposes, but the projector may nevertheless be fixedly mounted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Projection Apparatus (AREA)
  • Navigation (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

La présente invention a trait à un projecteur permettant la projection d'images sur une surface de projection. Le projecteur (1) comporte un moyen (2) pour la réception de signaux de navigation, et un moyen (3) pour le traitement de signaux de navigation en information de navigation. Le projecteur (1) est agencé pour la projection de l'information de navigation sur la surface de projection (5). L'invention a également trait à un tel système.
PCT/SE2006/000909 2005-07-26 2006-07-25 Appareil et systeme pour l'affichage d'information de navigation Ceased WO2007013847A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06758089.4A EP1913572A4 (fr) 2005-07-26 2006-07-25 Appareil et systeme pour l'affichage d'information de navigation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0501735-5 2005-07-26
SE0501735A SE529078C2 (sv) 2005-07-26 2005-07-26 Projektor för projicering av bilder och filmer på en projektionsyta och system för projicering av navigationsinformation

Publications (1)

Publication Number Publication Date
WO2007013847A1 true WO2007013847A1 (fr) 2007-02-01

Family

ID=37683654

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2006/000909 Ceased WO2007013847A1 (fr) 2005-07-26 2006-07-25 Appareil et systeme pour l'affichage d'information de navigation

Country Status (3)

Country Link
EP (1) EP1913572A4 (fr)
SE (1) SE529078C2 (fr)
WO (1) WO2007013847A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113655979A (zh) * 2021-09-09 2021-11-16 南京博纳威电子科技有限公司 一种电子海图综合信息集成显示方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652084A (en) * 1984-05-19 1987-03-24 Jurgen Daszinnies Projection screens for two- or three-dimensional front and back projections
US5416478A (en) * 1992-03-12 1995-05-16 Funai Electric Co., Ltd. Car navigation system
JPH1172843A (ja) * 1997-06-07 1999-03-16 Samsung Electron Co Ltd プロジェクションディスプレイ装置
WO2002071777A1 (fr) * 2001-03-01 2002-09-12 Digislide International Pty Ltd Appareil et procede permettant de fournir des informations geographiques locales a des dispositifs de communication situes a distance
US20030184575A1 (en) * 2000-05-11 2003-10-02 Akseli Reho Wearable projector and intelligent clothing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730563A1 (de) * 1997-07-17 1999-02-11 Daimler Benz Ag Verwendung eines holographischen Bildschirmes als Darstellungsfläche in einem Fahrzeug
AUPR777101A0 (en) * 2001-09-20 2001-10-11 Digislide International Pty Ltd Docking station
EP1461656A2 (fr) * 2001-11-06 2004-09-29 Keyotee Dispositif de projection d'image

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652084A (en) * 1984-05-19 1987-03-24 Jurgen Daszinnies Projection screens for two- or three-dimensional front and back projections
US5416478A (en) * 1992-03-12 1995-05-16 Funai Electric Co., Ltd. Car navigation system
JPH1172843A (ja) * 1997-06-07 1999-03-16 Samsung Electron Co Ltd プロジェクションディスプレイ装置
US20030184575A1 (en) * 2000-05-11 2003-10-02 Akseli Reho Wearable projector and intelligent clothing
WO2002071777A1 (fr) * 2001-03-01 2002-09-12 Digislide International Pty Ltd Appareil et procede permettant de fournir des informations geographiques locales a des dispositifs de communication situes a distance

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30) *
See also references of EP1913572A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113655979A (zh) * 2021-09-09 2021-11-16 南京博纳威电子科技有限公司 一种电子海图综合信息集成显示方法

Also Published As

Publication number Publication date
SE0501735L (sv) 2007-01-27
EP1913572A4 (fr) 2014-08-27
SE529078C2 (sv) 2007-04-24
EP1913572A1 (fr) 2008-04-23

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