WO2008107141A1 - Illumination system for track systems - Google Patents
Illumination system for track systems Download PDFInfo
- Publication number
- WO2008107141A1 WO2008107141A1 PCT/EP2008/001654 EP2008001654W WO2008107141A1 WO 2008107141 A1 WO2008107141 A1 WO 2008107141A1 EP 2008001654 W EP2008001654 W EP 2008001654W WO 2008107141 A1 WO2008107141 A1 WO 2008107141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- tracks
- leds
- light sources
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B26/00—Tracks or track components not covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2207/00—Features of light signals
- B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the invention relates to a lighting system for track systems with several parallel tracks, especially for marshalling yards.
- the intensity of the light sources on the light poles would have to be increased in order to increase the light scattering, or additional poles would have to be set up. Any of these measures would be very costly and would also contribute to increased energy consumption.
- the object of the invention is therefore to provide a lighting system for track systems, which allows cost-effective and energy-saving lighting of shading zones between the tracks.
- auj ⁇ en butter light sources are arranged in the form of light bands on the rail webs of the tracks.
- the zones between the tracks are selectively illuminated, in particular near the ground, where the residual light caused by scattering is the weakest. In that way you can already ner relatively low light intensity of the light sources and correspondingly low power consumption, the safety work for the working staff between the tracks are considerably increased. Since no masts or other carrying devices are required for the additional light sources, since they are arranged directly on the rails of the tracks, only comparatively low installation costs are incurred. In addition, the light sources, which are arranged in the form of light bands distributed along the rails, on the rail bars are relatively well protected against mechanical effects, since the rail webs are opposite to the rail heads and rail feet.
- the light sources on the rail webs may in principle be any suitable type of light sources, for example cold cathode lamps, fluorescent tubes and the like, light sources in the form of light-emitting diodes (LEDs) are particularly preferred since they are relatively robust and have a high luminous intensity Lifetime and, due to the low heat losses, also have a relatively low efficiency.
- LEDs in particular white cold-light LEDs have been developed, which are already used in the railway signaling technology and which also have sufficient light intensity for the intended purposes here, especially since these LEDs in correspondingly small distances, for example from 2 to 3 cm, arrange along the rails.
- the LEDs are arranged in large numbers in a row or in several parallel rows on long beams or boards, which are attached to the rail webs, for example, glued or screwed.
- These boards or carriers may have a length of 3 m or more, but are preferably dimensioned so that they can still be transported easily, and then take the electrical leads and possibly also feeder and the like for the power supply of the LEDs.
- LEDs are used with an operating voltage of 24 V.
- this tension is unreliable in terms of safety.
- it makes it possible to keep the current so low that a large number of LEDs can be supplied via a common line.
- the rail body can be used, so that only a single line is needed.
- Figure 1 shows a section through a rail of a track with a lighting system according to the invention
- FIG. 2 shows a side view of a section of the rail according to FIG. 1;
- Figure 3 is a sketch of a track system with a lighting system according to the invention.
- a rail 10 of a railway track is shown.
- the rail has a foot 12, a web 14 and a head 16.
- a light band 18 is fixed, which is formed by a 20 equipped with LEDs board 22.
- the board 22 receives the electrical supply facilities for the LEDs 20 and may for example have the form of a flexible band with a relatively large length of for example 20 m, so that the light band can be rationally attached to the rail, for example by gluing or by screws.
- the board may be provided on the side carrying the LEDs with a (transparent or broken) protective layer or encapsulated in a housing. It can also be housed several boards in a common, relatively long housing.
- the board or the housing may optionally be equipped with reflectors for focusing the light emitted by the LEDs. However, when used as light source LEDs, this will generally not be necessary since LEDs are available with appropriate beam angles.
- the LEDs are preferably high-intensity, white cold-light LEDs, which are operated with a voltage of 24 V.
- the LEDs 20 are arranged at regular intervals, for example at intervals of 2 to 3 cm along the light band, so that a sufficient illuminance is achieved. Where multiple light strips or boards 22 abut each other in abutment, the grid of LEDs can continue steadily.
- Figure 3 shows a sketch of a marshalling yard with two parallel tracks 24, the rails 10 are each provided on the outside with the light bands 18 described above.
- light bands 18 are attached to the outer sides of both rails 10 of both tracks 24, so that the spaces between them
- Tracks are illuminated from two sides. Alternatively, it is also conceivable, for example, at very small distances between the tracks, the
- Costs are saved, but by a clearer shadow and the visibility of potentially accident-prone objects is increased.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
BELEUCHTUNGSSYSTEM FÜR GLEISANLAGEN LIGHTING SYSTEM FOR ROAD PLANTS
Die Erfindung betrifft ein Beleuchtungssystem für Gleisanlagen mit mehreren parallelen Gleisen, insbesondere für Rangierbahnhöfe.The invention relates to a lighting system for track systems with several parallel tracks, especially for marshalling yards.
Zur Beleuchtung von Rangierbahnhöfen werden bisher Lichtmasten eingesetzt, die in gewissen Abständen längs der Gleise sowie in Querrichtung der Gleise zwischen diesen angeordnet sind, so daß eine annähernd gleichmäßige Flächenausleuchtung erreicht wird.For lighting Rangierbahnhöfen so far light poles are used, which are arranged at intervals along the tracks and in the transverse direction of the tracks between them, so that an approximately uniform surface illumination is achieved.
Wenn jedoch Eisenbahnwaggons nebeneinander auf parallelen Gleisen stehen, so kommt es durch die Waggons zu einander überlagernden Abschattungen, so dajS die Zonen zwischen den Gleisen, zwischen denen keine Lichtmasten stehen, nicht ausreichend ausgeleuchtet werden. Durch Rückstreuung der beleuchteten Teile der Waggons ist in den abgeschatteten Zonen zwar eine gewisse Restlichtmenge vorhanden, die jedoch in der Regel nicht mehr als 3 Lux beträgt, während zur Sicherheit des in diesen Zonen arbeitenden Personals eine Beleuchtungsstärke von 10 Lux oder mehr wünschenswert wäre.However, if railway wagons are placed side by side on parallel tracks, the wagons create overlapping shadows, so that the zones between the tracks, between which there are no light masts, are not sufficiently illuminated. By backscattering the illuminated parts of the wagons a certain amount of residual light is present in the shadowed zones, which, however, is usually not more than 3 lux, while for the safety of the personnel working in these zones an illuminance of 10 lux or more would be desirable.
Um die Beleuchtungsstärke in diesen Zonen zu erhöhen, müßte die Stärke der Lichtquellen auf den Lichtmasten erhöht werden, damit die Lichtstreuung zunimmt, oder es müßten zusätzliche Masten aufgestellt werden. Jede dieser Maßnahmen wäre sehr kostspielig und würde auch zu einem erhöhten Ener- gieverbrauch beitragen.In order to increase the illuminance in these zones, the intensity of the light sources on the light poles would have to be increased in order to increase the light scattering, or additional poles would have to be set up. Any of these measures would be very costly and would also contribute to increased energy consumption.
Aufgabe der Erfindung ist es deshalb, ein Beleuchtungssystem für Gleisanlagen zu schaffen, das eine kostengünstige und energiesparende Beleuchtung von Abschattungszonen zwischen den Gleisen erlaubt.The object of the invention is therefore to provide a lighting system for track systems, which allows cost-effective and energy-saving lighting of shading zones between the tracks.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß an den Schienenstegen der Gleise aujδenseitig Lichtquellen in der Form von Lichtbändern angeordnet sind.This object is achieved in that aujδenseitig light sources are arranged in the form of light bands on the rail webs of the tracks.
Durch diese Lichtquellen werden gezielt die Zonen zwischen den Gleisen ausgeleuchtet, und zwar insbesondere in Bodennähe, wo das durch Streuung verursachte Restlicht am schwächsten ist. Auf die Weise kann schon mit ei- ner relativ geringen Lichtstärke der Lichtquellen und entsprechend geringem Stromverbrauch die Arbeitsicherheit für das zwischen den Gleisen arbeitende Personal beträchtlich erhöht werden. Da für die zusätzlichen Lichtquellen keine Masten oder sonstige Trageinrichtungen benötigt werden, da sie unmit- telbar an den Schienen der Gleise angeordnet sind, entstehen auch nur vergleichsweise geringe Installationskosten. Außerdem sind die Lichtquellen, die in der Form von Lichtbändern verteilt längs der Schienen angeordnet sind, an den Schienenstegen relativ gut gegen mechanische Einwirkungen geschützt, da die Schienenstege gegenüber den Schienenköpfen und Schienenfüßen zu- rückliegen.By means of these light sources, the zones between the tracks are selectively illuminated, in particular near the ground, where the residual light caused by scattering is the weakest. In that way you can already ner relatively low light intensity of the light sources and correspondingly low power consumption, the safety work for the working staff between the tracks are considerably increased. Since no masts or other carrying devices are required for the additional light sources, since they are arranged directly on the rails of the tracks, only comparatively low installation costs are incurred. In addition, the light sources, which are arranged in the form of light bands distributed along the rails, on the rail bars are relatively well protected against mechanical effects, since the rail webs are opposite to the rail heads and rail feet.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.
Zwar kann es sich bei den Lichtquellen an den Schienenstegen grundsätzlich um alle geeignete Arten von Lichtquellen handeln, beispielsweise Kaltkatho- denlampen, Leuchtstoffröhren und dergleichen, doch sind Lichtquellen in der Form von Leuchtdioden (LEDs) besonders bevorzugt, da sie verhältnismäßig robust sind und eine hohe Lebensdauer und, aufgrund der geringen Wärme- Verluste, auch einen relativ günstigen Wirkungsgrad aufweisen. In den letzten Jahren sind LEDs, insbesondere weiße Kaltlicht- LEDs entwickelt worden, die bereits heute in der Eisenbahn-Signaltechnik eingesetzt werden und die auch eine für die hier angestrebten Beleuchtungszwecke ausreichende Lichtstärke aufweisen, zumal sich diese LEDs in entsprechend geringen Abständen, bei- spielsweise von 2 bis 3 cm, längs der Schienen anordnen lassen.Although the light sources on the rail webs may in principle be any suitable type of light sources, for example cold cathode lamps, fluorescent tubes and the like, light sources in the form of light-emitting diodes (LEDs) are particularly preferred since they are relatively robust and have a high luminous intensity Lifetime and, due to the low heat losses, also have a relatively low efficiency. In recent years, LEDs, in particular white cold-light LEDs have been developed, which are already used in the railway signaling technology and which also have sufficient light intensity for the intended purposes here, especially since these LEDs in correspondingly small distances, for example from 2 to 3 cm, arrange along the rails.
Bevorzugt sind dabei die LEDs in großer Anzahl in einer Reihe oder in mehreren parallelen Reihen auf langen Trägern oder Platinen angeordnet, die an den Schienenstegen befestigt, beispielsweise angeklebt oder angeschraubt werden. Diese Platinen bzw. Träger, können beispielsweise eine Länge von 3 m oder mehr haben, sind jedoch vorzugsweise so dimensioniert, daß sie sich noch problemlos transportieren lassen, und nehmen dann die elektrischen Zuleitungen und gegebenenfalls auch Einspeiser und dergleichen für die Stromversorgung der Leuchtdioden auf.Preferably, the LEDs are arranged in large numbers in a row or in several parallel rows on long beams or boards, which are attached to the rail webs, for example, glued or screwed. These boards or carriers, for example, may have a length of 3 m or more, but are preferably dimensioned so that they can still be transported easily, and then take the electrical leads and possibly also feeder and the like for the power supply of the LEDs.
Bevorzugt werden Leuchtdioden mit einer Betriebsspannung von 24 V eingesetzt. Diese Spannung ist einerseits unter Sicherheitsgesichtspunkten unbe- denklich, erlaubt es jedoch, die Stromstärke so gering zu halten, daß eine große Anzahl von LEDs über eine gemeinsame Leitung versorgt werden kann. Als Masse kann dabei gegebenenfalls der Schienenkörper genutzt werden, so daß nur eine einzige Leitung benötigt wird.Preferably, LEDs are used with an operating voltage of 24 V. On the one hand, this tension is unreliable in terms of safety. However, it makes it possible to keep the current so low that a large number of LEDs can be supplied via a common line. As a mass, if appropriate, the rail body can be used, so that only a single line is needed.
Im folgenden wird ein Ausführungsbeispiel anhand der Zeichnung näher erläutert.In the following an embodiment will be explained in more detail with reference to the drawing.
Es zeigen:Show it:
Figur 1 einen Schnitt durch eine Schiene eines Gleises mit einem erfindungsgemäßen Beleuchtungssystem;Figure 1 shows a section through a rail of a track with a lighting system according to the invention;
Figur 2 eine Seitenansicht eines Abschnitts der Schiene gemäß Fi- gur 1 ; undFIG. 2 shows a side view of a section of the rail according to FIG. 1; and
Figur 3 eine Skizze einer Gleisanlage mit einem erfindungsgemäßen Beleuchtungssystem.Figure 3 is a sketch of a track system with a lighting system according to the invention.
In Figuren 1 und 2 ist eine Schiene 10 eines Bahngleises gezeigt. Wie üblich weist die Schiene einen Fuß 12, einen Steg 14 und einen Kopf 16 auf. An dem Steg 14 ist ein Lichtband 18 befestigt, das durch eine mit LEDs 20 bestückte Platine 22 gebildet wird.In Figures 1 and 2, a rail 10 of a railway track is shown. As usual, the rail has a foot 12, a web 14 and a head 16. On the web 14, a light band 18 is fixed, which is formed by a 20 equipped with LEDs board 22.
Die Platine 22 nimmt die elektrischen Versorgungseinrichtungen für die LEDs 20 auf und kann beispielsweise die Form eines flexiblen Bandes mit einer relativ großen Länge von beispielsweise 20 m haben, so daß sich das Lichtband rationell an der Schiene anbringen läßt, beispielsweise durch Kleben oder durch Schrauben. Wahlweise kann die Platine auf der die LEDs tragenden Seite mit einer (transparenten oder druchbrochenen) Schutzschicht versehen oder in ein Gehäuse gekapselt sein. Es können auch mehrere Platinen in einem gemeinsamen, relativ langen Gehäuse untergebracht sein. Ebenso kann die Platine bzw. das Gehäuse wahlweise auch mit Reflektoren zur Bündelung des von den LEDs abgestrahlten Lichts ausgestattet sein. Wenn als Lichtquel- Ie LEDs verwendet werden, wird dies jedoch in der Regel nicht erforderlich sein, da LEDs mit geeigneten Abstrahlwinkeln erhältlich sind. Bei den LEDs handelt es sich vorzugsweise um lichtstarke, weiße Kaltlicht- LEDs, die mit einer Spannung von 24 V betrieben werden. Wie Figur 2 zeigt, sind die LEDs 20 in regelmäßigen Abständen, beispielsweise in Abständen von 2 bis 3 cm längs des Lichtbandes angeordnet, so daß eine ausreichende Beleuchtungsstärke erreicht wird. Wo mehrere Lichtbänder bzw. Platinen 22 auf Stoß aneinander grenzen, kann sich das Raster der LEDs stetig fortsetzen.The board 22 receives the electrical supply facilities for the LEDs 20 and may for example have the form of a flexible band with a relatively large length of for example 20 m, so that the light band can be rationally attached to the rail, for example by gluing or by screws. Optionally, the board may be provided on the side carrying the LEDs with a (transparent or broken) protective layer or encapsulated in a housing. It can also be housed several boards in a common, relatively long housing. Likewise, the board or the housing may optionally be equipped with reflectors for focusing the light emitted by the LEDs. However, when used as light source LEDs, this will generally not be necessary since LEDs are available with appropriate beam angles. The LEDs are preferably high-intensity, white cold-light LEDs, which are operated with a voltage of 24 V. As Figure 2 shows, the LEDs 20 are arranged at regular intervals, for example at intervals of 2 to 3 cm along the light band, so that a sufficient illuminance is achieved. Where multiple light strips or boards 22 abut each other in abutment, the grid of LEDs can continue steadily.
Figur 3 zeigt eine Skizze eines Rangierbahnhofes mit zwei parallelen Gleisen 24, deren Schienen 10 jeweils auf der Außenseite mit den oben beschriebenen Lichtbändern 18 versehen sind.Figure 3 shows a sketch of a marshalling yard with two parallel tracks 24, the rails 10 are each provided on the outside with the light bands 18 described above.
Links und rechts des Gleispaares sind Lichtmasten 26 eines herkömmlichen Beleuchtungssystems für Rangierbahnhöfe aufgestellt. Das Licht dieser Licht- mästen wird jedoch zum Teil durch auf den Gleisen 24 stehende Waggons 28 abgeschattet, so daß Halbschattenzonen 30 und Totalschattenzonen 32 entstehen. Ohne die Lichtbänder 28 läge der Bodenbereich in dem Zwischenraum zwischen den beiden Gleisen vollständig in einer Totalschattenzone, so daß die Unfallgefahr für das dort arbeitende Personal beträchtlich erhöht wäre. Durch die nach außen weisenden und ihr Licht im wesentlichen waagerecht abstrahlenden Lichtbänder 28 wird diese Schattenzone jedoch wesentlich aufgehellt.Left and right of the track pair light poles 26 of a conventional lighting system for shunting yards are set up. However, the light of these light fasts is partially shaded by standing on the tracks 24 wagons 28 so that partial shade zones 30 and 32 Totalschattenzonen arise. Without the light bands 28, the floor area in the space between the two tracks would be completely in a total shadow zone, so that the risk of accidents for the personnel working there would be considerably increased. By outwardly facing and their light substantially horizontally radiating light bands 28, this shadow zone is significantly brightened.
Im gezeigten Beispiel sind Lichtbänder 18 an den Außenseiten beider Schie- nen 10 beider Gleise 24 angebracht, so daß die Zwischenräume zwischen denIn the example shown, light bands 18 are attached to the outer sides of both rails 10 of both tracks 24, so that the spaces between them
Gleisen jeweils von zwei Seiten her beleuchtet werden. Alternativ ist es jedoch auch denkbar, etwa bei sehr geringen Abständen zwischen den Gleisen, dieTracks are illuminated from two sides. Alternatively, it is also conceivable, for example, at very small distances between the tracks, the
Lichtbänder jeweils nur an einem der Gleise vorzusehen, wodurch nicht nurTo provide lighting strips only on one of the tracks, which not only
Kosten gespart werden, sondern durch einen deutlicheren Schattenwurf auch die Sichtbarkeit von potentiell unfallgefährdenden Objekten erhöht wird. Costs are saved, but by a clearer shadow and the visibility of potentially accident-prone objects is increased.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007010479.2 | 2007-03-03 | ||
| DE102007010479 | 2007-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008107141A1 true WO2008107141A1 (en) | 2008-09-12 |
Family
ID=39433787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/001654 Ceased WO2008107141A1 (en) | 2007-03-03 | 2008-03-03 | Illumination system for track systems |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2008107141A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3418449A1 (en) | 2017-06-22 | 2018-12-26 | DIN-Dietmar Nocker Facilitymanagement GmbH | Lighting device for railway tracks |
| KR101987931B1 (en) * | 2017-12-21 | 2019-06-11 | 강윤순 | Construction block toy device |
| US20230242164A1 (en) * | 2022-02-03 | 2023-08-03 | Blue-Band LLC | Train warning system for rail operations |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2324901A (en) * | 1997-04-29 | 1998-11-04 | Malham Lighting Design Ltd | Lighting arrangement |
| US6145996A (en) * | 1998-03-06 | 2000-11-14 | Shimada Enterprises, Inc. | Theater lighting system |
| WO2001077578A2 (en) * | 2000-04-11 | 2001-10-18 | Lumileds Lighting, U.S., Llc | A flexible light track for signage |
| GB2404929A (en) * | 2003-08-14 | 2005-02-16 | Pixie Developments Ltd | Handrail |
-
2008
- 2008-03-03 WO PCT/EP2008/001654 patent/WO2008107141A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2324901A (en) * | 1997-04-29 | 1998-11-04 | Malham Lighting Design Ltd | Lighting arrangement |
| US6145996A (en) * | 1998-03-06 | 2000-11-14 | Shimada Enterprises, Inc. | Theater lighting system |
| WO2001077578A2 (en) * | 2000-04-11 | 2001-10-18 | Lumileds Lighting, U.S., Llc | A flexible light track for signage |
| GB2404929A (en) * | 2003-08-14 | 2005-02-16 | Pixie Developments Ltd | Handrail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3418449A1 (en) | 2017-06-22 | 2018-12-26 | DIN-Dietmar Nocker Facilitymanagement GmbH | Lighting device for railway tracks |
| KR101987931B1 (en) * | 2017-12-21 | 2019-06-11 | 강윤순 | Construction block toy device |
| US20230242164A1 (en) * | 2022-02-03 | 2023-08-03 | Blue-Band LLC | Train warning system for rail operations |
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