FR2732494A3 - Erasable illuminated transparent plate using bundle of optical fibres - Google Patents

Erasable illuminated transparent plate using bundle of optical fibres Download PDF

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Publication number
FR2732494A3
FR2732494A3 FR9403511A FR9403511A FR2732494A3 FR 2732494 A3 FR2732494 A3 FR 2732494A3 FR 9403511 A FR9403511 A FR 9403511A FR 9403511 A FR9403511 A FR 9403511A FR 2732494 A3 FR2732494 A3 FR 2732494A3
Authority
FR
France
Prior art keywords
light
fins
transparent plate
bundle
erasable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR9403511A
Other languages
French (fr)
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.)
PHOTOGRAMME SARL
Original Assignee
PHOTOGRAMME SARL
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 PHOTOGRAMME SARL filed Critical PHOTOGRAMME SARL
Priority to FR9403511A priority Critical patent/FR2732494A3/en
Publication of FR2732494A3 publication Critical patent/FR2732494A3/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028Light guide, e.g. taper
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031Reflecting element, sheet or layer

Abstract

The light source (1) lies at the focus of a mirror (2) which concentrates the light on the ends (4) of the fibres (3). A radiator has fins which are perpendicular to the optical axis and are hollowed to allow the passage of the light and to house the light system. Bars support the fins while allowing the free circulation of cooling air. The fins have a circular hollow with light guards making circular arcs. The transparent plate (6) serves to support lettering (7) illuminated by the fibres. A mechanically driven iris, pierced wheel, bimetallic strip or electronic method may be used to create flashing.

Description

DISPOSITIF D'ECLAIRAGE EFFACAB: LE
A FIBRE OPTIQUE.
ERASED LIGHTING DEVICE: THE
FIBER OPTIC.

La présente invention est un perfectionnement des systémes permettant la présentation d'informations lumineuses pour la publicité, l'enseigne, la signalétique, etc..The present invention is an improvement of systems allowing the presentation of luminous information for advertising, signs, signage, etc.

L'invention est caractérisée en ce que l'on utilise un moyen d'éclairement constitué d'une source halogène basse tension efd'un système permettant de focaliser le rayonnement de ladite source sur un élément répartiteur de lumiére, constitué d'un faisceau de fibres optiques.The invention is characterized in that an illumination means is used which consists of a low-voltage halogen source and of a system making it possible to focus the radiation from said source on a light-distributing element, consisting of a beam of optical fiber.

Suivant l'invention ce faisceau est constitué d'un ensemble de fibres dont une extrémité commune est disposée dans un embout cylindrique ou les fibres sont compactées, coupées, perpendiculairement à l'axe de l'embout, et placées au point de collecte du systéme d'illumination précédent, et dont les autres extrémités sont arrangées côte à côte linéairement de maniére à maintenir chaque fibre substantiellement paralléle à sa voisine.According to the invention, this bundle is made up of a set of fibers, one common end of which is disposed in a cylindrical tip or the fibers are compacted, cut, perpendicular to the axis of the tip, and placed at the collection point of the system. of previous illumination, and the other ends of which are arranged side by side linearly so as to maintain each fiber substantially parallel to its neighbor.

Suivant l'invention ce faisceau arrangé linéairement est placé de maniére à faire pénétrer la lumiére qui le parcourt par la tranche d'une feuille ou plaque de matiére transparente.According to the invention, this linearly arranged beam is placed so as to make the light which passes through it penetrate through the edge of a sheet or plate of transparent material.

La présente invention est également caractérisée en ce que la présentation d'information est effectuée par écriture sur la plaque au moyen de craies, crayons ou crayons feutres, de préférence colorés et fluorescents, dont le trace s illumine puissemment sous l'action du flux lumineux transitant par la plaque.The present invention is also characterized in that the presentation of information is carried out by writing on the plate by means of chalks, pencils or felt-tip pens, preferably colored and fluorescent, the trace of which lights up powerfully under the action of the luminous flux. passing through the plate.

Suivant un mode de réalisation privilégié de l'invention, on placera l'ensemble émetteur de lumière, source, miroir, embout de collecte des fibres, dans un lieu ou une disposition tel qu'il ne génera pas la vision de la plaque transparente et de l'information qu'elle porte par des rayons parasites ou des points brillants visibles.According to a preferred embodiment of the invention, the light emitting assembly, source, mirror, end piece for collecting the fibers will be placed in a place or arrangement such that it will not generate vision of the transparent plate and information it carries through stray rays or visible bright spots.

De maniére encore plus particuliére, on utilisera pour la disposition de l'ensemble émetteur de lumiére la disposition suivante - la source, son miroir de focalisation et l'embout des fibres sont disposés suivant un axe.Even more particularly, the following arrangement will be used for the arrangement of the light emitting assembly - the source, its focusing mirror and the end piece of the fibers are arranged along an axis.

Perpendiculairement à cet axe, on dispose des ailettes droites, ou subtantiellement droites, percées en leur centre de maniére à permettre à la lumiére de se propager suivant l'axe, mais ménageant verticalement des bords ou surfaces suffisemment étendu et rapproché pour que la lumiére issue de la source ne puisse pas être percue directement. Perpendicular to this axis, there are straight fins, or substantially straight, pierced in their center so as to allow the light to propagate along the axis, but vertically providing edges or surfaces sufficiently extended and close together so that the light emitted from the source cannot be directly perceived.

Suivant une amélioration supplémentaire de ce systéme, on dispose perpendiculairement aux ailettes elles mêmes des sections planes, ou cache lumiéres horizontaux permettant de couper le flux lumineux émis lateralement par la source.According to a further improvement of this system, there are perpendicular to the fins themselves flat sections, or horizontal light covers making it possible to cut the luminous flux emitted laterally by the source.

Ce peut être par exemple une section de cylindre logée dans l'évidemment central des ailettes, et positionnée autour des points les plus lumineux de la source.It can for example be a cylinder section housed in the central recess of the fins, and positioned around the brightest points of the source.

Suivant un perfectionnement de l'invention, constituant également une voie avantageuse de réalisation de celle-ci, le source de lumiére peut-être munie d'un dispositif permettant d'obtenir un effet de battement ou de clignotement.According to an improvement of the invention, also constituting an advantageous embodiment of the latter, the light source may be provided with a device making it possible to obtain a fluttering or flashing effect.

Ce dispositif peut être un diaphragme à iris entrainé mécaniquement, une roue percée de trous interceptant le faisceau collimaté devant la partie 4 du faisceau de fibre et entrainée mécaniquement ( clignotant mécanique), ou encore, par exemple, un bilame ou un clignotant électronique placé sur le circuit d'alimentation de la lampe.This device can be a mechanically driven iris diaphragm, a wheel pierced with holes intercepting the collimated beam in front of part 4 of the fiber beam and mechanically driven (mechanical flashing), or even, for example, a bimetallic strip or an electronic flashing placed on the lamp supply circuit.

On obtient ainsi un support d'information effaçable, lumineux et clignotant, particulièrement attractif et pratique d'emploi, pour la publicité, la signalétique, la sécurité, etc...This provides an erasable, luminous and flashing information medium, particularly attractive and practical to use, for advertising, signage, security, etc.

Les caractéristiques de l'invention apparaitront mieux au vu des dessins et explications qui vont suivre
La figure nel représente une vue de principe de l'invention, vue de trois quart.
The characteristics of the invention will appear more clearly in the light of the following drawings and explanations
Figure nel shows a principle view of the invention, seen from three quarters.

La figure n02 représente une vue en coupe d'une source et de ses caches lumiéres suivant l'invention.FIG. 02 represents a sectional view of a source and its light covers according to the invention.

La figure n"3 représente une vue de détail d'une ailette de la figure ne2. Figure n "3 represents a detail view of a fin of figure ne2.

Les figures n"4 et 5 représentent une première variante des ailettes suivant l'invention, vue de face et profil.Figures n "4 and 5 show a first variant of the fins according to the invention, front view and profile.

Les figures n"6 et 7 représentent une seconde variante des ailettes suivant l'invention, vue de face et de profil.Figures 6 and 7 show a second variant of the fins according to the invention, seen from the front and from the side.

Les figures n"8 et 9 représentent une troisiéme variante des ailettes suivant l'invention, vue de face et de profil.Figures 8 and 9 show a third variant of the fins according to the invention, seen from the front and from the side.

Les figures n"10 et 11 représentent une quatriéme variante des ailettes suivant l'invention, vue de face et de profil.Figures 10 and 11 show a fourth variant of the fins according to the invention, seen from the front and from the side.

Selon la figure 1, une lampe ou source ponctuelle 1 focalisée par un miroir 2 sur un faisceau de fibres optique 3 présentant un embout plan et de préférence poli 4, alimenté par sa tranche en lumiére la plaque 6 par l'intermédiaire des extrémités des fibres arrangées suivant une ligne 5. La plaque sert de support à un lettrage 7 qui s'illumine sous l'action du flux lumineux circulant dans la plaque 6.According to FIG. 1, a lamp or point source 1 focused by a mirror 2 on a bundle of optical fibers 3 having a flat and preferably polished tip 4, supplied by its edge with light the plate 6 via the ends of the fibers arranged along a line 5. The plate serves as a support for a lettering 7 which lights up under the action of the luminous flux circulating in the plate 6.

La figure 2, représente une vue en coupe d'un ensemble d'alimentation lumineux suivant une voie privilégiée de réalisation de l'invention ou illuminateur.Figure 2 shows a sectional view of a light supply assembly according to a preferred embodiment of the invention or illuminator.

la source 1 est logée au foyer d'un miroir de focalisation 2 qui concentre les rayons écris sur la source sur l'embout 4 des fibres 3.the source 1 is housed in the focus of a focusing mirror 2 which concentrates the rays written on the source on the end piece 4 of the fibers 3.

L'ensemble miroir, souce, embout de collecte est logé axialement dans un radiateur 8 à ailettes dont les ailettes 9 sont disposées perpendiculairement à cet axe.The mirror, souce, collecting tip assembly is housed axially in a finned radiator 8, the fins 9 of which are arranged perpendicular to this axis.

Ces ailettes sont évidées 10 en leur centre de manière à offrir un passage aux rayons lumineux et à loger la source 1 et son reflecteur 2.These fins are hollowed out 10 in their center so as to provide a passage for the light rays and to house the source 1 and its reflector 2.

Elles sont de plus planes et juxtaposées, et maintenues à l'aide de barettes 11 de faible encombrement, de maniére à permettre à l'air chaud produit par le dégagement de puissance de la lampe de circuler et de s'échapper aisément.They are moreover flat and juxtaposed, and maintained by means of small bars 11, so as to allow the hot air produced by the release of power from the lamp to circulate and to escape easily.

La figure 3 représente une telle ailette vue individuellement et de face.Figure 3 shows such a fin viewed individually and from the front.

Les figures 4 et 5 représentent vue de face et de profil une ailette utilisable dans le dispositif de la figure 2 comportant un arc de cylindre 12 faisant office de cache lumiére, en interceptant les rayons lumineux issus de la source, tout en ménageant un espace suffisant sous la circulation de l'air.Figures 4 and 5 show front and side view of a fin usable in the device of Figure 2 having a cylinder arc 12 acting as a light cover, intercepting the light rays from the source, while providing sufficient space under the air circulation.

Les figures 6 et 7, 8 et 9, 10 et 11, représentent d'autres variantes des ailettes pourvues de caches lumiéres.Figures 6 and 7, 8 and 9, 10 and 11 show other variants of the fins provided with light covers.

Ces ailettes peuvent etre juxtaposées simplement (fig.4,8,10) suivant un arrangement similaire à celui de la figure 2, ou tête béche (fig.6), c'est à dire par doublet groupés dos à dos. These fins can be juxtaposed simply (fig.4,8,10) in an arrangement similar to that of Figure 2, or spade head (fig.6), that is to say doublet grouped back to back.

Claims (2)

REVENDICATIONS 1) Dispositif d'éclairage par la tranche caractérisé en ce qu'il comporte une plaque en matiére transparente, alimenté par sa tranche, par un faisceau de fibres optiques, lui même collectant la lumiére émise par une source lumineuse focalisée, plaque de matiére transparente destinée à servir de support d'information effaçable.1) Device for lighting by the edge, characterized in that it comprises a plate made of transparent material, supplied by its edge, by a bundle of optical fibers, itself collecting the light emitted by a focused light source, plate of transparent material intended to serve as an erasable information medium. 2) Dispositif selon la revendication n"l caractérisé en ce qu'il est muni d'un dispositif de clignotement. 2) Device according to claim n "l characterized in that it is provided with a flashing device.
FR9403511A 1994-03-25 1994-03-25 Erasable illuminated transparent plate using bundle of optical fibres Withdrawn FR2732494A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9403511A FR2732494A3 (en) 1994-03-25 1994-03-25 Erasable illuminated transparent plate using bundle of optical fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9403511A FR2732494A3 (en) 1994-03-25 1994-03-25 Erasable illuminated transparent plate using bundle of optical fibres

Publications (1)

Publication Number Publication Date
FR2732494A3 true FR2732494A3 (en) 1996-10-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR9403511A Withdrawn FR2732494A3 (en) 1994-03-25 1994-03-25 Erasable illuminated transparent plate using bundle of optical fibres

Country Status (1)

Country Link
FR (1) FR2732494A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998026401A1 (en) * 1996-12-11 1998-06-18 Skiltprodusenten G.O. Mekaniske As Arrangement for lighting of road signs, advertising signs, information signs, etc.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998026401A1 (en) * 1996-12-11 1998-06-18 Skiltprodusenten G.O. Mekaniske As Arrangement for lighting of road signs, advertising signs, information signs, etc.

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