EP4297003B1 - Lampe de signalisation de secours dotée d'un éclairage de voie de secours supplémentaire - Google Patents

Lampe de signalisation de secours dotée d'un éclairage de voie de secours supplémentaire

Info

Publication number
EP4297003B1
EP4297003B1 EP23169352.4A EP23169352A EP4297003B1 EP 4297003 B1 EP4297003 B1 EP 4297003B1 EP 23169352 A EP23169352 A EP 23169352A EP 4297003 B1 EP4297003 B1 EP 4297003B1
Authority
EP
European Patent Office
Prior art keywords
light guide
light
emergency exit
escape route
exit sign
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.)
Active
Application number
EP23169352.4A
Other languages
German (de)
English (en)
Other versions
EP4297003A1 (fr
Inventor
Gregor Mayr
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP4297003A1 publication Critical patent/EP4297003A1/fr
Application granted granted Critical
Publication of EP4297003B1 publication Critical patent/EP4297003B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/049—Edge illuminated signs, boards or panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F2007/1856—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the supporting structure
    • G09F2007/186—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the supporting structure suspended, e.g. secured to the ceiling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1836—Achieving homogeneous illumination using a frame-like light source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F2019/225—Fire evacuation route indicating means

Definitions

  • the present invention relates to an emergency exit sign light according to the preamble of claim 1, which is designed to indicate an escape route and additionally to illuminate the escape route.
  • emergency exit signs are known from the prior art.
  • Modern and aesthetically pleasing emergency exit signs typically feature an external light guide element, on the flat sides of which at least one emergency exit sign indicating the direction of escape is mounted.
  • light is usually coupled in from a narrow side of the light guide element, which forms the light coupling side. This light is then distributed within this light guide and preferentially emitted mainly via the flat sides, so that the emergency exit sign and the indicated direction of escape are easily and clearly visible.
  • An example of such an emergency exit sign with a light guide protruding from a housing is... EP 2 648 178 B 1 known.
  • An edge-illuminated emergency exit sign is known in which a lens can be detachably attached to a mounting housing assembly. Furthermore, an LED light bar can be mounted at various positions within the mounting housing assembly, allowing the lens to be attached to the assembly at different angles. Removable inserts are also provided, enabling the lettering on the lens to be adapted to field-specific characteristics, thus eliminating the need to produce pre-printed signs based on these characteristics.
  • the US 9,589,487 B1 This describes an Edgelit illuminated sign, where a system combines Edgelit signage and Edgelit lighting.
  • the system can comprise two Edgelit light guide sections, one supporting the signage and the other the lighting.
  • a lighting arrangement comprising a backlight and a downlight is disclosed.
  • the lighting arrangement includes a light guide and a light source, wherein the light guide has a first edge section with a light inlet, a first surface with a first light outlet, and a second edge section with a second
  • the light source is attached to the first edge section and comprises a light source that directs light into the light inlet, whereby the light then exits the light guide through the first light outlet and the second light outlet.
  • emergency exit lights can be to illuminate at least part of an escape route, in addition to indicating its direction.
  • These lights typically feature additional escape route lighting elements in the form of so-called ERI spots (Escape Route Illumination Spots), which selectively illuminate specific areas of an escape route.
  • ERI spots Escape Route Illumination Spots
  • These light sources are usually designed to emit light asymmetrically in a predetermined direction, for example, to illuminate a long corridor.
  • these escape route lighting elements only illuminate the corresponding escape routes in an emergency situation, such as during a fire or a power outage, while the emergency exit symbol on the light itself should remain illuminated continuously, even in situations where evacuation is not required.
  • Such an emergency exit light with additional escape route lighting is used, for example, in... DE 10 2011 082 844 A1 described and in Figure 4 shown.
  • This luminaire 100 has a surrounding frame 101 which serves to hold one or two transparent discs 102 for light emission.
  • the frame 101 and the discs 102 form a housing of the Luminaire 100, in the interior of which light sources are arranged. The light from these light sources is then emitted evenly and homogeneously via the transparent discs 102, the discs 102 containing a pictogram to indicate the direction of the escape route.
  • ERI spots 115 are arranged at the lower edge of the frame 101, which emit the light for the escape route lighting. Since, in this prior art solution, the frame 101, and thus the luminaire 100 as a whole, has a certain thickness, there is sufficient space inside the luminaire housing for additional light sources and for arranging the ERI spots 115 on its underside. The orientation of the ERI spots 115 can be individually adjusted to adapt the direction of light emission.
  • the solution described above requires several emergency exit lighting elements to be distributed around the outer circumference of the flange-like area. This ensures that an escape route in any direction below the luminaire can be efficiently illuminated without the risk of the light guide element blocking or shading the light emission. This results in the luminaire's footprint being increased in all directions beyond the dimensions of the light guide element.
  • the present invention is based on the objective of providing a novel possibility which enables the positioning of additional emergency exit lighting elements in an emergency exit sign, while at the same time ensuring that the light can be kept compact and yet offers the greatest possible flexibility with regard to the direction of light emission from the emergency exit lighting elements.
  • the present invention presents a novel method for integrating the aforementioned emergency exit indicator (ERI) spots simply and elegantly into an emergency exit sign luminaire employing the light-guiding technology described above.
  • the solution is based on positioning the ERI spots in the lower lateral region of the luminaire's light-guiding element and connecting each of them to the light sources for the emergency exit lighting via a rod-shaped light guide, preferably running along the outer edge of the light-guiding element.
  • the rod-shaped light guide(s) are integrated into or arranged in the edge region of the light-guiding element in such a way that they only minimally affect the appearance of the emergency exit sign luminaire.
  • the luminaire thus retains its extremely light and graceful appearance, while now also illuminating the emergency exit route in addition to displaying it.
  • the light emission elements intended for escape route lighting are now arranged on the underside of the light guide element and thus on the underside of the entire luminaire, so that optimal and interference-free light emission for escape route lighting can be achieved.
  • the rod-shaped light guide extends along an edge region of the plate-shaped light guide element.
  • the design should be such that this additional light guide has little or no impact on the appearance of the luminaire.
  • the light guide element can, for example, have a recess for the rod-shaped light guide in its edge region.
  • the recess is formed by a groove in the edge region that at least partially and precisely accommodates the rod-shaped light guide.
  • the recess could also be formed by an elongated opening or bore extending in the edge region of the light guide element.
  • the rod-shaped light guide is completely enclosed within the light guide element and is therefore not visible from the outside.
  • Another possibility is to arrange the rod-shaped light guide laterally next to the edge region of the light guide element, its shape preferably being chosen to continue the contour of the light guide element.
  • the emergency exit lighting element is designed to produce an asymmetrical light emission.
  • the direction of the light emission is preferably adjustable, so that the illumination of the emergency exit can be adjusted independently of The alignment of the light guide element of the emergency exit sign according to the invention can be achieved.
  • One possibility is to permanently attach the emergency exit lighting element to one end of the light guide, in particular to design the light guide such that the emergency exit lighting element responsible for light emission is an integral part of the light guide.
  • the light guide can preferably be attached to the support element of the luminaire or the light guide element in different rotational positions, so that the light guide can be positioned accordingly depending on the direction of the desired light emission.
  • Another possibility is to simply attach the emergency exit lighting element, which is designed in the form of a lens specifically configured for asymmetrical light emission, to one end of the light guide in different rotational positions.
  • the rod-shaped light guide is also preferably held on the support element of the luminaire.
  • the emergency exit sign luminaire according to the invention has two emergency exit lighting elements, which are then arranged on both sides – viewed longitudinally – at the edge regions of the light guide element.
  • the direction of light emission of the two emergency exit lighting elements can preferably be adjusted independently of each other, thus enabling extremely flexible illumination of escape routes.
  • the present invention provides an emergency exit sign which, due to the light guiding technology used, has an extremely elegant appearance and, despite everything, offers the additional possibility of emergency exit lighting.
  • the present invention therefore proposes a solution which makes it possible to realize the emergency exit sign in the form of a so-called disc light with a flat light guiding element, and additionally also to provide illumination of an escape route on the underside of the light.
  • FIG. 1 An embodiment of a lamp according to the invention is shown in Figure 1 depicted.
  • the luminaire 50 also has an elongated housing 40 on its upper side, which is designed, for example, for mounting on a ceiling and serves to house the light source and the electronic components for operating the light source.
  • These electronic components can, in particular, be a corresponding driver or converter that transforms the supplied voltage into a suitable voltage for operating the light source.
  • components for emergency power supply such as batteries or accumulators, can also be arranged within this housing 40, which ensure reliable illumination of an escape route even in an emergency.
  • the light sources 45 responsible for indicating the escape route are preferably designed in the form of an elongated LED light source 45.
  • this can be formed by an elongated LED circuit board which extends in the longitudinal direction L of the housing and whose LEDs 46 emit light towards the underside.
  • the housing 40 serves not only to accommodate the components responsible for light generation, but also to hold the light guide element 30, which is responsible for the actual light emission. Accordingly, the housing 40 is open at the bottom or at least has an opening into which the upper end of the light guide element 30 can be inserted, with suitable measures then ensuring reliable retention of the light guide element on the housing 40. These measures may include appropriate clamping and/or locking devices that provide a permanent and Ensure reliable attachment of the light guide element 30 to the luminaire housing 40.
  • the narrow side 31 thus forms a light coupling area for the light-guiding element 30, which is then designed in a known manner such that, by means of multiple reflections, the light is distributed as homogeneously as possible over the entire surface of the light-guiding element 30 and emitted in a planar fashion.
  • the light is emitted via at least one flat surface oriented perpendicular to the light coupling side 31; in the illustrated embodiment, this is the front surface 32 of the light-guiding element 30, which also includes the pictogram 5 indicating the direction of the escape route.
  • This pictogram 5 can either be a suitable, direct component of the light-guiding element 30 or be formed by a separate disc- or film-like element, which is then homogeneously illuminated through the light-guiding element 30.
  • the planar light emission to indicate the direction of the escape route can occur via one or both flat sides of the light-guiding element 30.
  • the properties of the emergency exit sign 50 described so far are also known from existing emergency exit signs based on planar light guides.
  • the novelty lies in the additional provision of illumination of the escape route.
  • the components provided for this purpose in particular those responsible for emitting light to illuminate the escape route, are not located on the housing 40, but instead at the lower end of the light guide element 30 and thus of the luminaire 50.
  • an emergency exit lighting element 10 is positioned at each end of the underside 33 of the light guide element 30 – viewed in the longitudinal direction L – through which light is emitted for emergency exit lighting. In this position, the light used for emergency exit lighting can be emitted unimpeded, and the light emission is not blocked or shaded by the plate-shaped light guide element 30 itself. Accordingly, in this case, extremely efficient and variable illumination of an emergency exit is possible.
  • the light sources required for illuminating the escape route 48 - shown only in Figure 2 These LEDs are arranged within the device housing 40. Specifically, they can be positioned at the front and rear ends of the first light sources 45 for emergency exit sign illumination, viewed in the longitudinal direction L. One possibility, for example, would be to also position these second light sources 48 on the LED board for the first light sources 45, so that all LEDs of the luminaire 50 are arranged on a common board.
  • the use of individual LEDs for emergency exit lighting would also be conceivable, whereby in any case it is possible to operate the first and second light sources 45 or 48 independently of each other. As described at the beginning, it should be possible, in particular, to operate the first light sources 45 continuously, while the activation of the second light sources 48 only occurs in an emergency in which an emergency exit actually needs to be illuminated.
  • the light emitted by these second light sources 48 must then be directed in a suitable manner to the escape route lighting elements 10, which, according to the invention, is done in each case by means of a rod-shaped light guide 20.
  • the rod-shaped light guides 20 are arranged on opposite edge regions 34, 35 of the plate-shaped light guide element 30 and extend from the upper end, i.e., from the housing 40, to the lower end of the light guide element 30, where the two escape route lighting elements 10 are located.
  • the upper end of each light guide is directed towards the corresponding second light source 48, so that the corresponding light is coupled into the light guide rod 20 and transmitted to the escape route lighting elements 10 by means of total internal reflection.
  • the cross-sectional shape of the rod-shaped light guides 20 in a plane perpendicular to the longitudinal axis corresponds to the cross-sectional shape of the light guide element 30, so that the two light guides 20 merely extend the light guide element 30 slightly at their two end regions.
  • the appearance of the light guide element 30, and thus of the luminaire 50 as a whole, is only minimally affected, so that the elegant and graceful appearance of the luminaire 50 is maintained.
  • the rod-shaped light guides could therefore be used – as in Figure 2 depicted – can be realized in a simple manner in the form of corresponding rods with a square cross-section, where the thickness of these light guide rods corresponds to the thickness of the light guide element 30.
  • the light guide element 30 can also be designed to provide defined support for the rod-shaped light guides 20 at its edges.
  • corresponding recesses can be formed in the edges of the light guide element 30, in which the light guides 20 are each precisely held.
  • One possibility would be to form a corresponding channel or groove in the edge of the light guide element 30, into which the associated light guide 20 is partially inserted. Bores or channels extending through the edge of the light guide element, which completely enclose the rod-shaped light guide 20 within the light guide element 30, are also conceivable. This represents a particularly elegant way of implementing the solution according to the invention, since in this case the additional rod-shaped light guides 20 are practically invisible from the outside. On the other hand, this last variant is associated with increased manufacturing effort.
  • the direction of the light emission for the emergency lighting can be changed in order to be able to make a corresponding adjustment depending on the orientation of the luminaire 50 and the direction of the escape route.
  • the light output for the escape route lighting is not uniform in all directions, but instead directed in a preferred direction. This is achieved through the special design of the escape route lighting elements 10, which results in an asymmetrical light output in a preferred direction.
  • FIG. 3 The diagram shows that the light emission area 12, responsible for light output, is designed in a Fresnel-like manner.
  • the light rays striking the flanks 13 of the area 12, schematically represented by arrows, are deflected due to total internal reflection in such a way that the light is preferentially emitted in a specific direction – to the right in the diagram.
  • the light output for the escape route lighting can therefore be adjusted in a desired direction.
  • the lens-like emergency exit lighting element 10 with the Fresnel structure 12 is an integral part of the light guide 20 and is formed on its underside.
  • the entire light guide 20 is then rotated and positioned on the light guide element 30 according to the desired light emission.
  • the housing 40 or the edge-side receptacle on the light guide element 30 is designed such that the light guide rod 20 can be arranged in several defined preferred rotational positions, for example, in four rotational positions each rotated by 90°. Stepless alignment of the light guide 20, and thus of the emergency exit lighting element 10, would also be conceivable.
  • the procedure is as follows: First, the person responsible for installing the luminaire inserts the light guide rod(s) 20 into the corresponding receptacle(s) in the edge area of the light guide element 30 in the desired orientation.
  • the pictogram disc i.e., the light guide element 30 with the light guides 20, is then inserted into the device housing 40 and secured there by appropriate means.
  • the light guide rod is fixed in the desired orientation, and further adjustment of the light emission direction after installation of the luminaire 50 is no longer possible, or is only possible by first removing the light guide element 30 with the light guides 20 from the housing 40.
  • the light guide 20 could be arranged in a fixed orientation on the light guide element 30 and the housing 40, with only the ERI lens 10, now designed as a separate component, being rotated relative to the light guide 20 or positioned in different orientations at its lower end. This arrangement also allows for variable adjustment of the light direction for the escape route lighting.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (14)

  1. Luminaire de signalisation de voie d'évacuation (50) comprenant :
    - des premières sources lumineuses (45) s'étendant selon une direction longitudinale (L) et comportant de préférence une platine à DEL allongée (46),
    - un élément de support (40) portant les premières sources lumineuses (45),
    - un élément de guidage de lumière en forme de plaque (30) relié à l'élément de support (40),
    lequel élément de guidage de lumière (30) possède, sur un côté étroit (31) dudit élément de guidage de lumière (30), une zone d'introduction de lumière orientée vers les premières sources lumineuses (45),
    lequel élément de guidage de lumière (30) est configuré de sorte à émettre, par au moins une face plane (32) disposée sensiblement perpendiculairement au côté étroit (31) dudit élément de guidage de lumière (30) comportant la zone d'introduction de lumière, la lumière émise par les premières sources lumineuses (45) et introduite via la zone d'introduction de lumière,
    et qu'un symbole de voie d'évacuation (5) est disposé sur la face plane (32) prévue pour l'émission de la lumière,
    - des deuxièmes sources lumineuses (48) disposées sur l'élément de support (40),
    - au moins un élément d'éclairage de voie d'évacuation (10) destiné à émettre la lumière produite par les deuxièmes sources lumineuses (48) pour l'éclairage de la voie d'évacuation,
    caractérisé en ce que l'élément d'éclairage de voie d'évacuation (10) est disposé dans la région d'une face d'extrémité (33) de l'élément de guidage de lumière (30), ladite face d'extrémité étant opposée au côté étroit (31) dudit élément de guidage de lumière (30) comportant la zone d'introduction de lumière, et en ce que l'élément d'éclairage de voie d'évacuation (10) est couplé aux deuxièmes sources lumineuses (48) par un guide de lumière en forme de tige (20).
  2. Luminaire de signalisation de voie d'évacuation selon la revendication 1, caractérisé en ce que le guide de lumière en forme de tige (20) s'étend le long d'une zone marginale (34, 35) de l'élément de guidage de lumière plat (30).
  3. Luminaire de signalisation de voie d'évacuation selon la revendication 2, caractérisé en ce que l'élément de guidage de lumière (30) comporte, dans sa zone marginale (34, 35), un logement pour le guide de lumière en forme de tige (20).
  4. Luminaire de signalisation de voie d'évacuation selon la revendication 3, caractérisé en ce que le logement est formé par une rainure ou un renfoncement aménagé dans la zone marginale (34, 35) de l'élément de guidage de lumière (30), dans lequel le guide de lumière en forme de tige (20) s'engage au moins partiellement.
  5. Luminaire de signalisation de voie d'évacuation selon la revendication 3, caractérisé en ce que le logement est formé par un perçage allongé ou un canal s'étendant dans la zone marginale (34, 35), dans lequel le guide de lumière en forme de tige (20) est disposé.
  6. Luminaire de signalisation de voie d'évacuation selon la revendication 2, caractérisé en ce que le guide de lumière en forme de tige (20) est agencé latéralement à la zone marginale (34, 35) de l'élément de guidage de lumière (30).
  7. Luminaire de signalisation de voie d'évacuation selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'éclairage de voie d'évacuation (10) est conçu de sorte qu'il produit une émission lumineuse asymétrique.
  8. Luminaire de signalisation de voie d'évacuation selon la revendication 7, caractérisé en ce que l'élément d'éclairage de voie d'évacuation (10) présente une structure de sortie de lumière de type Fresnel (12).
  9. Luminaire de signalisation de voie d'évacuation selon la revendication 7 ou 8, caractérisé en ce que la direction de l'émission lumineuse produite par l'élément d'éclairage de voie d'évacuation (10) est modifiable.
  10. Luminaire de signalisation de voie d'évacuation selon la revendication 9, caractérisé en ce que l'élément d'éclairage de voie d'évacuation (10) est fixé à demeure à une extrémité du guide de lumière (20), et fait en particulier partie intégrante du guide de lumière (20), le guide de lumière (20) pouvant de préférence être agencé sur l'élément de support (40) et/ou sur l'élément de guidage de lumière (30) selon différentes positions angulaires.
  11. Luminaire de signalisation de voie d'évacuation selon la revendication 9, caractérisé en ce que l'élément d'éclairage de voie d'évacuation (10) peut être disposé, suivant différentes positions angulaires, sur une partie d'extrémité du guide de lumière (20).
  12. Luminaire de signalisation de voie d'évacuation selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de support (40) constitue un support de montage pour le guide de lumière en forme de tige (20).
  13. Luminaire de signalisation de voie d'évacuation selon l'une quelconque des revendications précédentes, caractérisé en ce que le luminaire de signalisation de voie d'évacuation (50) comprend deux éléments d'éclairage de voie d'évacuation (10) qui sont disposés, considérés dans la direction longitudinale, aux deux zones marginales (34, 35) de l'élément de guidage de lumière (30), et qui sont chacun couplés à des deuxièmes sources lumineuses (48) par un guide de lumière (20).
  14. Luminaire de signalisation de voie d'évacuation selon les revendications 9 et 13, caractérisé en ce que la direction de l'émission lumineuse produite par les éléments d'éclairage de voie d'évacuation (10) peut être réglée de manière indépendante pour chacun d'eux.
EP23169352.4A 2022-06-20 2023-04-24 Lampe de signalisation de secours dotée d'un éclairage de voie de secours supplémentaire Active EP4297003B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202022103416.8U DE202022103416U1 (de) 2022-06-20 2022-06-20 Rettungszeichenleuchte mit zusätzlicher Rettungswegbeleuchtung

Publications (2)

Publication Number Publication Date
EP4297003A1 EP4297003A1 (fr) 2023-12-27
EP4297003B1 true EP4297003B1 (fr) 2025-12-03

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Country Link
EP (1) EP4297003B1 (fr)
DE (1) DE202022103416U1 (fr)

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US6539657B1 (en) * 2001-05-09 2003-04-01 Genlyte Thomas Group Llc Universal edge-lit exit sign
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DE102011082844A1 (de) 2011-09-16 2013-03-21 Zumtobel Lighting Gmbh Beleuchtungsanordnung insbesondere zur Rettungswegbeleuchtung
DE202012101244U1 (de) 2012-04-05 2013-07-09 Zumtobel Lighting Gmbh Anordnung zur Lichtabgabe mit flächigem Lichtleitelement
US9589487B1 (en) * 2014-12-22 2017-03-07 Cooper Technologies Company Combined edgelit signage and illumination
WO2017078683A1 (fr) 2015-11-03 2017-05-11 Innotec, Corp. Ensemble d'éclairage assurant un rétro-éclairage et un éclairage par le haut
DE102021103957A1 (de) 2021-02-19 2022-08-25 Zumtobel Lighting Gmbh Rettungszeichenleuchte mit Rettungswegbeleuchtung

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DE202022103416U1 (de) 2023-10-09

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