WO2011029673A1 - Device for visualizing danger zones by means of lighting technology, particularly in vehicles - Google Patents

Device for visualizing danger zones by means of lighting technology, particularly in vehicles Download PDF

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Publication number
WO2011029673A1
WO2011029673A1 PCT/EP2010/061228 EP2010061228W WO2011029673A1 WO 2011029673 A1 WO2011029673 A1 WO 2011029673A1 EP 2010061228 W EP2010061228 W EP 2010061228W WO 2011029673 A1 WO2011029673 A1 WO 2011029673A1
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WO
WIPO (PCT)
Prior art keywords
projection
light
danger
danger zone
unit
Prior art date
Application number
PCT/EP2010/061228
Other languages
German (de)
French (fr)
Inventor
Roland Eckl
Michael Jäger
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2011029673A1 publication Critical patent/WO2011029673A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/46—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for giving flashing caution signals during drive, other than signalling change of direction, e.g. flashing the headlights or hazard lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/32—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating vehicle sides, e.g. clearance lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body

Definitions

  • the invention relates to a device for optically marking a potential danger zone, in particular in vehicles.
  • a device for optically marking a potential danger zone in particular in vehicles.
  • the object underlying the invention is now to be ⁇ in a device for lighting visualization of hazard zones specify, in which the above-mentioned disadvantages are avoided as possible.
  • the invention relates essentially to a device for photometric visualization of at least one danger zone, wherein a projection device has at least one
  • Is light transport element is connected with at least one Lichtaustrittsein ⁇ uniform, which is arranged such that a di ⁇ rect projection of a danger zone marking or parts thereof, in a human eye is avoided and the human Liehe eye the danger zone marking perceives only indirectly via a screen.
  • This device is particularly for vehicles, such as. Trains suitable because no destabilization or de-calibration or mechanical wear occur in follow Erschüt ⁇ esterification.
  • the luminosity must not be limited and it can be produced even with Ta ⁇ geslicht clear marks without, for example, passengers dazzled.
  • FIG. 1 is a schematic diagram for explaining the invention
  • Figure 2 is an image of a first application example
  • FIG. 3 shows a picture of a second example of use. 1 shows a device for photometric visualization of a danger zone,
  • a projection device P is connected to a light exit unit LA via a light transport element LT.
  • the projection device P includes a controller CTRL, a light source LS, a modulation device M and a lens LI.
  • a controller CTRL controls the light source LS.
  • a light source LS controls the light source LS.
  • a modulation device M controls the modulation device M and the lens LI.
  • strong lamps, LEDs or laser diodes may be considered as the light source LS.
  • a modulation M that is comparable produced by a slide projector, light with the image content of the danger of marking, and in this case the light-emitting unit LA consists only of an ordinary spherical lens L takes place such.
  • only light without image content is generated in the projection unit and by a
  • Light exit unit LA the shape of the projection 1 of the hazard marking or parts thereof by a correspondingly shaped lens L, e.g. a cylindrical lens for generating a light beam, and / or generates a correspondingly shaped reflector R.
  • a correspondingly shaped lens L e.g. a cylindrical lens for generating a light beam, and / or generates a correspondingly shaped reflector R.
  • the function of the deflection mirror U mentioned above is taken over by the reflector R or there is no deflection mirror U at all.
  • the controller CTRL typically receives an external activation / deactivation signal I and possibly control parameters CP and, in addition to the light source LS, for example, can also control the modulation device M via a corresponding signal CM.
  • a temporal modulation, the color and / or Intensi ⁇ ty and / or flashing frequency and / or the size of the projection takes place in the projection unit P such optional 1 of a hazard zone marker are temporally changeable.
  • the projection device can be mounted largely vibration-free and a projection of a hazard marking can be done without glare-free and thus wear-prone parts.
  • the glare-free is achieved here by a light guide, so for example. At feet or in other areas where the head of a person is not usually found.
  • FIG. 3 shows the application in connection with an aircraft engine.
  • the aircraft is in the so-called push-back phase
  • As ⁇ forms. Ie a tug pushes the plane away from the passenger bridge.
  • the engines are short of starting, so that there may be a danger of being sucked in by surrounding people (see person on baggage tug on the right in the picture).
  • molds are projected onto the ground of the runway, as the risk of intake and engine jet are not visible.
  • transformation or scaling moreover, the projection can correspond to the current danger zone
  • the turbine activity can be varied.

Abstract

The invention substantially relates to a device for visualizing at least one danger zone by means of lighting technology, wherein a projection system is connected by way of at least one light transport element to at least one light emission unit, which is arranged such that direct projection of a danger zone marking or parts thereof into a human eye is avoided, and the human eye perceives the danger zone marking only indirectly via a projection surface. In the device according to the invention, the projection system can be attached substantially without vibrations, and a projection of a danger marking can be made without glare without moving parts, which would be susceptible to wear. Said device is particularly suited for vehicles, such as trains.

Description

Beschreibung description
Vorrichtung zur lichttechnischen Visualisierung von Gefahrenzonen, insbesondere bei Fahrzeugen Device for photometric visualization of hazardous areas, especially in vehicles
Die Erfindung betrifft eine Vorrichtung zur optischen Markierung eines potentiellen Gefahrenbereiches, insbesondere bei Fahrzeugen . Aus der am 23.04.2009 offengelegten deutschen Offenlegungs¬ schrift DE 10 2007 048 831 AI ist eine Vorrichtung zur opti¬ schen Markierung eines potenziellen Gefahrenbereichs einer Maschine, insbesondere eines automatisch arbeitenden Fensterreinigers bekannt, wobei der Maschine ein Lasermodul derart zugeordnet ist, dass dessen Lichtstrahl unabhängig von der räumlichen Orientierung der Maschine durch statische oder dynamische Ablenkung um eine parallel zur Schwerkraft nach un¬ ten weisende Achse bewegbar ist und hierdurch eine Markierung der äußeren Grenzen des Gefahrenbereiches ermöglicht wird. The invention relates to a device for optically marking a potential danger zone, in particular in vehicles. From laid-open on 23/04/2009 German Laid ¬ specification DE 10 2007 048 831 Al an apparatus for opti ¬ rule mark of a potential danger area of a machine, in particular an automatically operating window cleaner is known, said machine is associated with such a laser module so that its light beam regardless of the spatial orientation of the machine by static or dynamic deflection about an axis parallel to gravity un ¬ th facing axis is movable and thereby marking the outer limits of the danger zone is made possible.
Durch die kardanische Montierung des Lasers, um mit dem La¬ serstrahl den Rand der Gefahrenzone abzufahren, sind beim oben genannten Stand der Technik bewegliche Teile erforderlich, die vor allem beim Einsatz in Fahrzeugen häufig Proble- me bereiten, da bspw. durch Erschütterungen eine Destabili- sierung bzw. Dekalibrierung oder Abnutzungserscheinungen auftreten bzw. aufwändige Lager erforderlich sind. Darüber hinaus können im Projektionsbereich arbeitende Menschen von dieser Lichtquelle geblendet werden bzw. muss aus diesem Grund die Leuchtstärke begrenzt werden, was wiederum bei Tageslicht zu undeutlichen Markierungen führen kann. By the gimbal mount of the laser in order to depart with the La ¬ serstrahl the edge of the danger zone, moving parts are required in the aforementioned prior art, the recycle especially when used in vehicles often problems me because, for example. By vibrations a destabilized - sierung or decalibration or wear and tear occur or costly storage are required. In addition, people working in the projection area can be blinded by this light source or, for this reason, the luminous intensity must be limited, which in turn can lead to indistinct markings in daylight.
Die der Erfindung zu Grunde liegende Aufgabe besteht nun dar¬ in eine Vorrichtung zur lichttechnischen Visualisierung von Gefahrenzonen anzugeben, bei der die oben genannten Nachteile möglichst vermieden werden. The object underlying the invention is now to be ¬ in a device for lighting visualization of hazard zones specify, in which the above-mentioned disadvantages are avoided as possible.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Pa¬ tentanspruchs 1 gelöst. Die weiteren Ansprüche betreffen vor- teilhafte Ausgestaltungen der Erfindung. This object is achieved by the features of Pa ¬ tentanspruchs 1. The other claims relate to Advantageous embodiments of the invention.
Die Erfindung betrifft im Wesentlichen eine Vorrichtung zur lichttechnischen Visualisierung mindestens einer Gefahrenzo- ne, wobei eine Projektionseinrichtung über mindestens einThe invention relates essentially to a device for photometric visualization of at least one danger zone, wherein a projection device has at least one
Lichttransportelement mit mindestens einer Lichtaustrittsein¬ heit verbunden ist, die derart angeordnet ist, dass eine di¬ rekte Projektion einer Gefahrenzonenmarkierung oder Teilen davon in ein menschliches Auge vermieden wird und das mensch- liehe Auge die Gefahrenzonenmarkierung nur indirekt über eine Projektionsfläche wahrnimmt. Diese Vorrichtung ist besonders für Fahrzeuge, wie bspw. Züge geeignet, da in folge Erschüt¬ terung keine DeStabilisierung bzw. Dekalibrierung oder mechanische Abnutzungserscheinungen auftreten. Darüber muss die Leuchtstärke nicht begrenzt werden und es können auch bei Ta¬ geslicht deutliche Markierungen erzeugt werden ohne dass bspw. Passagiere geblendet werden. Is light transport element is connected with at least one Lichtaustrittsein ¬ uniform, which is arranged such that a di ¬ rect projection of a danger zone marking or parts thereof, in a human eye is avoided and the human Liehe eye the danger zone marking perceives only indirectly via a screen. This device is particularly for vehicles, such as. Trains suitable because no destabilization or de-calibration or mechanical wear occur in follow Erschüt ¬ esterification. In addition, the luminosity must not be limited and it can be produced even with Ta ¬ geslicht clear marks without, for example, passengers dazzled.
Nachfolgend wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Dabei zeigt The invention will be explained in more detail with reference to an embodiment shown in the drawing. It shows
Figur 1 eine Prinzipdarstellung zur Erläuterung der Erfindung, FIG. 1 is a schematic diagram for explaining the invention,
Figur 2 ein Bild eines ersten Anwendungsbeispiels und Figure 2 is an image of a first application example and
Figur 3 ein Bild eines zweiten Anwendungsbeispiels. In Figur 1 ist eine Vorrichtung zur lichttechnischen Visualisierung einer Gefahrenzone gezeigt, FIG. 3 shows a picture of a second example of use. 1 shows a device for photometric visualization of a danger zone,
bei der eine Projektionseinrichtung P über ein Lichttransportelement LT mit einer Lichtaustrittseinheit LA verbunden ist . in which a projection device P is connected to a light exit unit LA via a light transport element LT.
Durch Punkte unterhalb der Projektionseinrichtung P und des Lichttransportelements LT ist angedeutet, dass zur Projektion einer Gefahrenzone bspw. auch mehrere Projektions- einrichtungen P mit jeweils einem oder sogar mehreren Lichttransportelementen LT und Lichtaustrittseinheiten LA By points below the projection device P and the light transport element LT, it is indicated that for projecting a danger zone, for example, also several projection facilities P with one or even more light transport elements LT and light exit units LA
sind . Das Lichttransportelement LT enthält, vergleichbar mit einem Periskop, mindestens ein Lichtrohr mit mindestens einem Um¬ lenkspiegel U und/oder einen Lichtwellenleiter. are . Contains the light transport element LT, similar to a periscope, at least one light pipe having at least one steering mirror To ¬ U and / or an optical waveguide.
Die Projektionseinrichtung P enthält, eine Steuerung CTRL, eine Lichtquelle LS, eine Modulationseinrichtung M und eine Linse LI. Als Lichtquelle LS kommen je nach Anwendung starke Lampen, LED' s oder Laserdioden in Frage. The projection device P includes a controller CTRL, a light source LS, a modulation device M and a lens LI. Depending on the application, strong lamps, LEDs or laser diodes may be considered as the light source LS.
In einer ersten Ausführungsvariante erfolgt in der Projekti¬ onseinheit P eine Modulation M derart, dass, vergleichbar mit einem Diaprojektor, Licht mit dem Bildinhalt der Gefahrenmarkierung erzeugt wird und hierbei die Lichtaustrittseinheit LA nur aus einer gewöhnlichen sphärischen Linse L besteht. In a first embodiment, in the projec ¬ onseinheit P, a modulation M, that is comparable produced by a slide projector, light with the image content of the danger of marking, and in this case the light-emitting unit LA consists only of an ordinary spherical lens L takes place such.
In einer weiteren Ausführungsvariante wird in der Projekti- onseinheit nur Licht ohne Bildinhalt erzeugt und durch eineIn a further embodiment, only light without image content is generated in the projection unit and by a
Lichtaustrittseinheit LA die Form der Projektion 1 der Gefahrenmarkierung oder Teile davon durch eine entsprechend geformte Linse L, z.B. eine Zylinderlinse zur Erzeugung eines Lichtbalkens, und/oder einen entsprechend geformten Reflektor R erzeugt. Light exit unit LA the shape of the projection 1 of the hazard marking or parts thereof by a correspondingly shaped lens L, e.g. a cylindrical lens for generating a light beam, and / or generates a correspondingly shaped reflector R.
In einer besonders einfachen Ausführungsvariante wird durch den Reflektor R die Funktion des oben erwähnten Umlenkspiegel U übernommen bzw. es ist überhaupt kein Umlenkspiegel U vor- handen. In a particularly simple embodiment variant, the function of the deflection mirror U mentioned above is taken over by the reflector R or there is no deflection mirror U at all.
Die Steuerung CTRL erhält typischerweise ein externes Akti- vierungs/ Deaktivierungssignal I und ggf. Steuerparameter CP und kann neben der Lichtquelle LS bspw. auch die Modulations- einrichtung M über ein entsprechendes Signal CM ansteuern. Hierdurch erfolgt in der Projektionseinheit P optional eine zeitliche Modulation derart, dass die Farbe und/oder Intensi¬ tät und/oder Blinkfrequenz und/oder die Größe der Projektion 1 einer Gefahrenzonenmarkierung zeitlich veränderbar sind. The controller CTRL typically receives an external activation / deactivation signal I and possibly control parameters CP and, in addition to the light source LS, for example, can also control the modulation device M via a corresponding signal CM. In this way, a temporal modulation, the color and / or Intensi ¬ ty and / or flashing frequency and / or the size of the projection takes place in the projection unit P such optional 1 of a hazard zone marker are temporally changeable.
Durch die erfindungsgemäße Vorrichtung wird erreicht, dass die Projektionseinrichtung weitgehend erschütterungsfrei an- gebracht werden kann und eine Projektion einer Gefahrenmarkierung ohne bewegliche und damit verschleißanfällige Teile blendfrei erfolgen kann. By the device according to the invention it is achieved that the projection device can be mounted largely vibration-free and a projection of a hazard marking can be done without glare-free and thus wear-prone parts.
Die Blendfreiheit wird hierbei durch eine Lichtführung, also bspw. in Fußhöhe oder in anderen Bereichen wo der Kopf eines Menschen sich üblicherweise nicht befindet, erreicht.  The glare-free is achieved here by a light guide, so for example. At feet or in other areas where the head of a person is not usually found.
In Figur 2 skizziert die Anwendung der Vorrichtung an einer zu schließenden Zugtür. Eine Projektionseinheit P wäre hier¬ bei unterhalb der Tür - welche sie i.d.R. noch leicht erhöht zum Bahnsteig befindet - angebracht; eine Blendung durch La¬ ser o.ä. ist bei dieser Höhe also beinahe vollständig auszu¬ schließen. Zusätzlich zu einem Piepen wird vor dem Türbereich der Boden beispielsweise mit Halbkreisen markiert. Auf diese Weise wird die Warnung eindringlicher und der tatsächliche Gefahrenbereich stärker ersichtlich. Ebenso wird auf die Gefahr auch für Gehörgeschädigte deutlicher oder überhaupt erst erkenntlich . In Figure 2, the application of the device outlined at a train door to be closed. A projection unit P would be here ¬ below the door - which is usually still slightly elevated to the platform located - appropriate; a glare by La ¬ ser o.ä. is thus almost completely for For at this level ¬ close. In addition to a beeping, the floor is marked with semicircles in front of the door area, for example. In this way, the warning becomes more insistent and the actual danger zone becomes more apparent. Likewise, the danger is also made more evident or even recognizable to the hearing impaired.
Figur 3 zeigt die Anwendung in Verbindung an einem Flugzeug- triebwerk. Das Flugzeug ist in der sog. Push-back Phase abge¬ bildet. D.h. ein Schlepper drückt das Flugzeug weg von der Fahrgastbrücke. In diesem Moment sind die Triebwerke kurz vom dem Anlassen, so dass eine Gefahr durch Ansaugen von umgebenden Personen entstehen kann (siehe Person auf Gepäckschlepper rechts im Bild) . Für den Gefahrenbereich werden Formen auf den Boden des Rollfeldes projiziert, da Ansauggefahr und Triebwerksstrahl nicht sichtbar sind. Durch Transformation oder Skalierung kann darüber hinaus die Projektion dem aktuellen Gefahrenbereich entsprechend FIG. 3 shows the application in connection with an aircraft engine. The aircraft is in the so-called push-back phase abge ¬ forms. Ie a tug pushes the plane away from the passenger bridge. At this moment, the engines are short of starting, so that there may be a danger of being sucked in by surrounding people (see person on baggage tug on the right in the picture). For the danger zone, molds are projected onto the ground of the runway, as the risk of intake and engine jet are not visible. By transformation or scaling, moreover, the projection can correspond to the current danger zone
der Turbinenaktivität variiert werden. the turbine activity can be varied.

Claims

Patentansprüche claims
1. Vorrichtung zur lichttechnischen Visualisierung mindestens einer Gefahrenzone, 1. device for visualization of at least one danger zone,
bei der eine Projektionseinrichtung (P) über mindestens ein Lichttransportelement (LT) mit mindestens einer Lichtaus¬ trittseinheit (LA) verbunden ist, die derart angeordnet ist, dass eine direkte Projektion (1) einer Gefahrenzonenmarkie¬ rung oder Teilen davon in ein menschliches Auge (A) vermie- den wird und das menschliche Auge die Gefahrenzonenmarkierung nur indirekt (2) über eine Projektionsfläche (F) wahrnimmt. is at a projecting device (P) via at least one light transport element (LT) with at least one light output ¬ tread unit (LA), which is arranged such that a direct projection (1) a Gefahrenzonenmarkie ¬ tion or parts thereof (in a human eye A) is avoided and the human eye perceives the danger zone marking only indirectly (2) via a projection surface (F).
2. Vorrichtung nach Anspruch 1, 2. Apparatus according to claim 1,
bei der das Lichttransportelement (LT) mindestens ein Licht- rohr mit mindestens einem Umlenkspiegel (U) und/oder einen Lichtwellenleiter enthält. in which the light transport element (LT) contains at least one light pipe with at least one deflecting mirror (U) and / or an optical waveguide.
3. Vorrichtung nach Anspruch 1 oder 2, 3. Apparatus according to claim 1 or 2,
bei der in der Projektionseinheit (P) eine zeitliche Modula- tion (M) derart erfolgt, dass die Farbe und/oder Intensität und/oder Blinkfrequenz und/oder die Größe der Projektion (1) einer Gefahrenzonenmarkierung in Abhängigkeit mindestens einer externen Steuergröße (I, CP) veränderbar ist. in which a temporal modulation (M) takes place in the projection unit (P) in such a way that the color and / or intensity and / or blinking frequency and / or the size of the projection (1) of a danger zone marking are dependent on at least one external control variable (I , CP) is changeable.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der die Projektionseinrichtung (P) mindestens eine Laserdiode enthält. 4. Device according to one of the preceding claims, wherein the projection device (P) comprises at least one laser diode.
5. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der in der Projektionseinheit (P) eine Modulation (M) derart erfolgt, dass Licht mit dem Bildinhalt der Gefahren¬ markierung erzeugt wird und bei der Lichtaustrittseinheit (LA) nur aus einer gewöhnlichen sphärischen Linse besteht. 5. Device according to one of the preceding claims, wherein in the projection unit (P), a modulation (M) takes place such that light is generated with the image content of the danger ¬ mark and in the light exit unit (LA) consists only of an ordinary spherical lens ,
6. Vorrichtung nach einem der Ansprüche 1 bis 4, 6. Device according to one of claims 1 to 4,
bei der die eine Projektionseinheit nur Licht ohne Bildinhalt erzeugt und bei der in der mindestens einen Lichtaustritts¬ einheit (LA) die Form der Projektion (1) der Gefahrenmarkie- rung oder Teile davon durch eine entsprechend geformte Linse (L) und/oder einen entsprechend geformten Reflektor (R) erzeugt wird. in which the one projection unit only generates light without image content and in which the at least one light exit unit (LA) has the shape of the projection (1) of the danger marker. tion or parts thereof by a correspondingly shaped lens (L) and / or a correspondingly shaped reflector (R) is generated.
PCT/EP2010/061228 2009-09-11 2010-08-02 Device for visualizing danger zones by means of lighting technology, particularly in vehicles WO2011029673A1 (en)

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EP3079966B1 (en) 2013-12-11 2018-03-14 Bombardier Transportation GmbH Method for displaying information about the operation of a rail vehicle for traffic participants
DE102018002541A1 (en) 2018-03-27 2019-10-02 Kastriot Merlaku Light marking system for public transport stops
DE102019201947A1 (en) 2018-03-28 2019-10-02 Ford Global Technologies, Llc Method and device for warning against the opening of motor vehicle doors
CN112141081A (en) * 2019-06-26 2020-12-29 奥迪股份公司 Backing-in auxiliary system and method

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