EP0732534B1 - Signal light, especially for motor vehicle, emitting a beam of a given colour while being of another colour when not in use, and manufacturing method for its light cover - Google Patents
Signal light, especially for motor vehicle, emitting a beam of a given colour while being of another colour when not in use, and manufacturing method for its light cover Download PDFInfo
- Publication number
- EP0732534B1 EP0732534B1 EP96400497A EP96400497A EP0732534B1 EP 0732534 B1 EP0732534 B1 EP 0732534B1 EP 96400497 A EP96400497 A EP 96400497A EP 96400497 A EP96400497 A EP 96400497A EP 0732534 B1 EP0732534 B1 EP 0732534B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- cover
- colour
- indicator light
- zones
- 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.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/255—Filters
Definitions
- the present invention relates generally motor vehicle signal lights, and more particularly a traffic light likely emit a substantially colorless radiation, or a first shade, while presenting, when it is off, an appearance of a second shade; it relates more precisely to a signaling light as defined in the preamble of claim 1, and a manufacturing process as defined in the preamble to the claim 7.
- it may be a reversing light emitting white light and appearance red or amber when off, or a flashing light direction change indicator emitting light amber but red in appearance when off.
- Document DE-A-31 30 085 thus describes a signaling comprising a light source, means to direct the light flux emitted by the source to a intermediate screen, and a closing indicator arranged on long and outside the intermediate screen.
- the intermediate screen has optical elements which cause the light to converge on passages of light extending between colored areas reported on the outer face of the indicator.
- the indicator has on its internal face of the elements of deflection or diffusion of the light.
- the present invention aims to provide a fire signaling of the aforementioned type, which is simpler and economical to produce, while offering qualities satisfactory in terms of color reproduction of the radiation and the color of the light off.
- the second material forms a grid.
- a traffic light which comprises a light source 10, typically a lamp with normalized filament, a reflector 20 of the parabolic type defined by the base of the fire and intended to direct the light reflected by him according to a general direction of emission, and a light 30.
- the sight glass 30 is made with two materials distinct translucent.
- a first subject 32 in the species of pink hue, are embedded areas of second material 34, red in color. So on its face external, the indicator has first zones Z1 in which the first matter is apparent, and second zones Z2 in which the second material is apparent, the external faces of the first and second material being flush with each other so as to meet the regulations.
- the recessed areas of the second material extend on only part of the thickness of the sight glass, so that the inner side of it is defined by the single first material.
- This internal face includes two types optical arrangements. To the right of zones Z2, it is provided with projecting prismatic elements 38 comprising straight faces inclined for example at about 45 ° by relation to the general direction of radiation. To the right zones Z1, 36 suitable convex lenses are provided diffusing the light from the reflector 20 while focusing in the defined light output windows by zones Z1.
- the mixture of zones Z2 of red color and pink zones Z1 gives the fire a general tint appearance red very close to that of another light, for example a position light and / or stop light with red indicator, belonging to the same optical unit.
- the colorless light from of the mirror and incident on the lenses 36 crosses the zones Z1 slightly tinted, and therefore remain substantially colorless, to form a reversing light beam.
- the light from of the mirror and incident on the prisms 38 is reflected in very large proportion by these prisms, so minimize the amount of light likely to pass through the second material 34 and avoid polluting the light by a radiance colored in red.
- zones Z1 and Z2 can be distributed according to any suitable reason, preferably regular. he can these include vertical alternating bands or horizontal. As a variant, the zones Z2 can define a square mesh, between the meshes coming to place paving stones, square or rectangular or any other shape geometric, forming zones Z1, or vice versa.
- the shape and arrangement of the elements optics 36, 38 is adapted to the case by case.
- the optical elements 38 are prismatic streaks at two sides.
- the elements 36 are preferably balls or tori.
- elements 38 are preferably streaks prismatic, while elements 36 are streaks cylindrical.
- the sight glass 30 is advantageously produced by molding by injection, the first material being overmolded on the second or vice versa.
- We can in particular have recourse molding techniques with multi-color press, in covers, etc.
- the optional intermediate screen 40 may have several objectives.
- the first is to tint the case the radiation from the source and the mirror, or to neutralize the effects of the slight pinking of the light as it passes through the first material light, or again to give light a color amber, when the light is a flashing light indicating change of direction.
- the intermediate screen 40 can also include optical arrangements for concentrating light from the mirror to the light passage zones Z1 of the seer.
- the Fresnel 50 lens is intended to minimize effects of multidirectional direct light emitted by the lamp 10 in the direction of the indicator. Indeed a light strongly inclined compared to the general direction emission would likely cross Z2 zones of second material, to give the beam a red tint perceptible.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
La présente invention concerne d'une façon générale les feux de signalisation de véhicules automobiles, et plus particulièrement un feu de signalisation susceptible d'émettre un rayonnement sensiblement incolore, ou d'une première teinte, tout en présentant, lorsqu'il est éteint, un aspect d'une deuxième teinte; elle concerne plus précisément un feu de signalisation tel que défini dans le préambule de la revendication 1, et un procédé de fabrication tel que défini dans le préambule de la revendication 7.The present invention relates generally motor vehicle signal lights, and more particularly a traffic light likely emit a substantially colorless radiation, or a first shade, while presenting, when it is off, an appearance of a second shade; it relates more precisely to a signaling light as defined in the preamble of claim 1, and a manufacturing process as defined in the preamble to the claim 7.
Par exemple, mais non limitativement, il peut s'agir d'un feu de recul émettant une lumière blanche et d'aspect rouge ou ambré lorsqu'il est éteint, ou d'un feu clignotant indicateur de changement de direction émettant une lumière ambre mais d'aspect rouge lorsqu'il est éteint.For example, but not limited to, it may be a reversing light emitting white light and appearance red or amber when off, or a flashing light direction change indicator emitting light amber but red in appearance when off.
On connaít déjà dans la technique antérieure ce genre de feu, dont l'objet principal est de se marier avec des feux voisins en particulier d'aspect rouge lorsqu'ils sont éteints, tels que des feux de position arrière ou des feux stop (indicateurs de freinage).We already know in the prior art this kind of fire, the main purpose of which is to marry neighboring lights in particular of red appearance when they are extinguished, such as rear position lights or stop (brake indicators).
Ainsi le document DE-A-31 30 085 décrit un feu de signalisation comprenant une source lumineuse, des moyens pour diriger le flux lumineux émis par la source vers un écran intermédiaire, et un voyant de fermeture disposé le long et à l'extérieur de l'écran intermédiaire.Document DE-A-31 30 085 thus describes a signaling comprising a light source, means to direct the light flux emitted by the source to a intermediate screen, and a closing indicator arranged on long and outside the intermediate screen.
L'écran intermédiaire comporte des éléments optiques qui amènent la lumière à converger vers des passages de lumière s'étendant entre des zones colorées rapportées sur la face extérieure du voyant. Le voyant comporte sur sa face interne des éléments de déviation ou de diffusion de la lumière.The intermediate screen has optical elements which cause the light to converge on passages of light extending between colored areas reported on the outer face of the indicator. The indicator has on its internal face of the elements of deflection or diffusion of the light.
On comprend que, si le matériau de l'écran intermédiaire est transparent incolore, si les zones colorées rapportées sont rouges et si le matériau du voyant entre lesdites zones colorées est incolore, l'aspect du feu lorsqu'il est éteint est généralement rouge, tandis que le rayonnement émis est sensiblement incolore. Pour renforcer l'aspect rouge de ce feu lorsqu'il est éteint, des cloisons séparatrices sont prévues entre l'écran et le voyant, généralement transversalement aux plans de ces éléments.We understand that, if the screen material colorless transparent, if the areas reported colors are red and if the indicator material between said colored areas is colorless, the appearance of fire when it is off is usually red, while the radiation emitted is substantially colorless. To reinforce the red appearance of this fire when it is out, partitions dividers are provided between the screen and the indicator, generally transverse to the planes of these elements.
Un tel feu est relativement coûteux et complexe à réaliser, nécessitant un écran, un voyant de conception spécifique avec deux matières, et une pièce définissant les cloisons.Such a fire is relatively expensive and complex to realize, requiring a screen, a design light specific with two materials, and a part defining the partitions.
La présente invention vise à proposer un feu de signalisation du type précité, qui soit plus simple et économique à réaliser, tout en offrant des qualités satisfaisantes en matière de restitution de la couleur du rayonnement et de la couleur du voyant éteint.The present invention aims to provide a fire signaling of the aforementioned type, which is simpler and economical to produce, while offering qualities satisfactory in terms of color reproduction of the radiation and the color of the light off.
Ainsi la présente invention concerne un feu de signalisation notamment pour véhicule automobile, du type comprenant une source lumineuse, un voyant de fermeture et des premiers moyens optiques pour diriger le flux lumineux émis par la source sensiblement transversalement au voyant de fermeture, le voyant comprenant des premières zones d'une première matière et des secondes zones d'une seconde matière encastrée dans la première matière sur la face externe du voyant, la seconde matière étant une matière transparente d'une teinte sombre voisine de celle d'un feu de signalisation adjacent, et des seconds moyens optiques pour empêcher la lumière issue des premiers moyens de traverser ladite seconde matière, caractérisé en ce que la première matière est une matière transparente d'une teinte éclaircie par rapport à la teinte sombre, et en ce que les seconds moyens optiques comprennent des éléments prismatiques formés par la première matière sur la face interne du voyant en arrière desdites secondes zones de la seconde matière.
- la première matière définit également, entre les éléments prismatiques adjacents, des éléments pour diffuser la lumière tout en la concentrant sur lesdites premières zones.
- - la première teinte est rose et la seconde teinte est rouge.
- le feu comprend en outre un écran intermédiaire entre la source et le voyant, ledit écran étant apte à teinter le rayonnement issu de la source.
- le voyant est réalisé par moulage de matière plastique, caractérisé en ce que la seconde matière est surmoulée sur la première matière.
- le voyant est réalisé par moulage de matière plastique, caractérisé en ce que la première matière est surmoulée sur la seconde matière.
- the first material also defines, between the adjacent prismatic elements, elements for diffusing the light while concentrating it on said first zones.
- - the first shade is pink and the second shade is red.
- the light further comprises an intermediate screen between the source and the indicator, said screen being capable of tinting the radiation coming from the source.
- the sight glass is made by molding plastic material, characterized in that the second material is overmolded on the first material.
- the sight glass is made by molding plastic material, characterized in that the first material is overmolded on the second material.
L'invention propose également un procédé de
fabrication par moulage du voyant d'un feu de signalisation
tel que défini ci-dessus, caractérisé en ce qu'il comprend
les étapes consistant à :
Avantageusement, la seconde matière forme une grille.Advantageously, the second material forms a grid.
D'autres aspects, buts et avantages de la présente invention apparaítront mieux à la lecture de la description détaillée suivante de formes de réalisation préférées de celle-ci, donnée à titre d'exemple non limitatif et faite en référence au dessin annexé, sur lequel :
- la figure 1 est une vue en coupe verticale axiale d'un feu de signalisation selon l'invention, et
- la figure 2 est une vue en coupe transversale d'un voyant du feu de signalisation de la figure 1 associé au voyant d'un feu adjacent.
- FIG. 1 is a view in axial vertical section of a signaling light according to the invention, and
- Figure 2 is a cross-sectional view of a signal light of Figure 1 associated with the light of an adjacent light.
En référence tout d'abord à la figure 1, on a
représenté schématiquement un feu de signalisation qui
comprend une source lumineuse 10, typiquement une lampe à
filament normalisée, un réflecteur 20 du genre parabolique
défini par le socle du feu et destiné à diriger la lumière
réfléchie par lui selon une direction générale d'émission,
et un voyant 30. Referring first to Figure 1, we have
schematically represented a traffic light which
comprises a
Comme on le verra plus loin, le feu peut comprendre
optionnellement un écran intermédiaire 40 et une lentille
de Fresnel 50, représentés en traits mixtes.As we will see later, fire can understand
optionally an
Le voyant 30 est réalisé avec deux matières
translucides distinctes. Dans une première matière 32, en
l'espèce de teinte rose, sont encastrées des zones de
seconde matière 34, de teinte rouge. Ainsi, sur sa face
externe, le voyant comporte des premières zones Z1 dans
lesquelles la première matière est apparente, et des
secondes zones Z2 dans lesquelles la seconde matière est
apparente, les faces externes des zones de première et de
seconde matière étant affleurantes les unes avec les autres
de manière à satisfaire aux règlements.The
Les zones encastrées de la seconde matière s'étendent
sur une partie seulement de l'épaisseur du voyant, si bien
que la face interne de celui-ci est définie par la seule
première matière. Cette face interne comprend deux types
d'aménagements optiques. Au droit des zones Z2, il est
prévu des éléments prismatiques saillants 38 comportant des
faces droites inclinées par exemple à environ 45° par
rapport à la direction générale du rayonnement. Au droit
des zones Z1, il est prévu des lentilles convexes 36 aptes
à diffuser la lumière issue du réflecteur 20 tout en la
concentrant dans les fenêtres de sortie de lumière définies
par les zones Z1.The recessed areas of the second material extend
on only part of the thickness of the sight glass, so
that the inner side of it is defined by the single
first material. This internal face includes two types
optical arrangements. To the right of zones Z2, it is
provided with projecting
Lorsque le feu est éteint, le mélange des zones Z2 de couleur rouge et des zones Z1 de couleur rose (en arrière desquelles se trouve l'espace intérieur du feu, formant une cavité sombre), donne au feu un aspect général de teinte rouge très voisine de celle d'un autre feu, par exemple un feu de position et/ou un feu stop à voyant rouge, appartenant au même bloc optique.When the fire is out, the mixture of zones Z2 of red color and pink zones Z1 (back which is the interior space of the fire, forming a dark cavity), gives the fire a general tint appearance red very close to that of another light, for example a position light and / or stop light with red indicator, belonging to the same optical unit.
Lorsque le feu est allumé, la lumière incolore issue
du miroir et incidente sur les lentilles 36 traverse les
zones Z1 peu teintées, et reste donc sensiblement incolore,
pour former un faisceau de feu de recul. La lumière issue
du miroir et incidente sur les prismes 38 est réfléchie en
proportion très importante par ces prismes, pour ainsi
minimiser la quantité de lumière susceptible de traverser
la seconde matière 34 et éviter de polluer la lumière par
un rayonnement coloré en rouge.When the fire is lit, the colorless light from
of the mirror and incident on the
On notera que les zones Z1 et Z2 peuvent se répartir selon tout motif approprié, de préférence régulier. Il peut s'agir notamment de bandes alternées verticales ou horizontales. En variante, les zones Z2 peuvent définir un maillage carré, entre les mailles venant se placer des pavés, carrés ou rectangulaires ou de toute autre forme géométrique, formant les zones Z1, ou réciproquement.Note that the zones Z1 and Z2 can be distributed according to any suitable reason, preferably regular. he can these include vertical alternating bands or horizontal. As a variant, the zones Z2 can define a square mesh, between the meshes coming to place paving stones, square or rectangular or any other shape geometric, forming zones Z1, or vice versa.
Bien entendu, la forme et la disposition des éléments
optiques 36, 38 est adaptée au cas par cas.Of course, the shape and arrangement of the
Ainsi, dans le cas où les zones Z2 sont définies de
préférence par des lignes, éventuellement entrecroisées,
les éléments optiques 38 sont des stries prismatiques à
deux faces.Thus, in the case where the zones Z2 are defined by
preferably by lines, possibly intersecting,
the
Dans le cas où les zones Z1 sont des pavés, les
éléments 36 sont de préférence des billes ou des tores.In the case where zones Z1 are paving stones, the
Dans le cas où les zones Z1 et Z2 zont des bandes
alternées, les éléments 38 sont de préférence des stries
prismatiques, tandis que les éléments 36 sont des stries
cylindriques.In the case where zones Z1 and Z2 have bands
the
Le voyant 30 est réalisé avantageusement par moulage
par injection, la première matière étant surmoulée sur la
seconde ou réciproquement. On peut notamment avoir recours
aux techniques de moulage avec presse multicouleurs, en
reprises, etc.The
L'écran intermédiaire optionnel 40 peut avoir
plusieurs objectifs. Le premier est de teinter le cas
échéant le rayonnement issu de la source et du miroir, soit
pour neutraliser les effets du léger rosissement de la
lumière lors de son passage à travers la première matière
du voyant, soit encore pour donner à la lumière une couleur
ambre, lorsque le feu est un feu clignotant indicateur de
changement de direction.The optional
L'écran intermédiaire 40 peut également comporter des
aménagements optiques destinés à concentrer la lumière
issue du miroir vers les zones Z1 de passage de la lumière
du voyant.The
La lentille de Fresnel 50 est destinée à minimiser les
effets de la lumière directe multidirectionnelle émise par
la lampe 10 en direction du voyant. En effet une lumière
fortement inclinée par rapport à la direction générale
d'émission serait susceptible de traverser les zones Z2 de
seconde matière, pour donner au faisceau une teinte rouge
perceptible.The Fresnel 50 lens is intended to minimize
effects of multidirectional direct light emitted by
the
Selon un autre aspect de la présente invention, et
maintenant en référence à la figure 2, lorsque le feu de
signalisation décrit ci-dessus appartient à un bloc optique
arrière comportant plusieurs plages éclairantes adjacentes,
il est très avantageux de mouler la seconde matière 34 en
une grille (à bandes parallèles ou croisées) en même temps
qu'un voyant v d'un feu adjacent de couleur rouge, tel
qu'un feu de position ou un feu stop. Ensuite, la première
matière est surmoulée sur la seconde matière, pour former
le voyant 30.According to another aspect of the present invention, and
now with reference to figure 2, when the
signaling described above belongs to an optical unit
rear with several adjacent illuminating surfaces,
it is very advantageous to mold the
Bien entendu, la présente invention n'est nullement limitée aux formes de réalisation décrites et représentées, mais l'homme de l'art saura y apporter toute variante ou modification, du moment que l'invention demeure définie par les revendications.Of course, the present invention is by no means limited to the embodiments described and shown, but a person skilled in the art will know how to make any variant or modification, as long as the invention remains defined by the claims.
Claims (8)
- Indicator light, in particular for a motor vehicle, of the type comprising a light source (10), a closure cover (30) and first optical means (20) for directing the light flow emitted by the source substantially transversely to the closure cover, the cover comprising first zones (Z1) made from a first material (32) and second zones made from a second material (34) embedded in the first material on the external face of the cover, the second material (34) being transparent material with a dark colour close to that of an adjacent indicator light, and second optical means (38) for preventing the light issuing from the first means from passing through the said second material, characterised in that the first material (32) is a transparent material with a colour which is light compared with the dark colour, and in that the second optical means comprise prismatic elements (38) formed by the first material on the internal face of the cover behind the said second zones (Z2) in the second material (34).
- Indicator light according to Claim 1, characterised in that the first material (31) also defines, between the adjacent prismatic elements (38), elements (36) for diffusing the light whilst concentrating it on the said first zones (Z1).
- Indicator light according to one of Claims 1 and 2, characterised in that the first colour is pink and the second colour is red.
- Indicator light according to Claim 3, characterised in that it also comprises an intermediate screen (40) between the source and the cover, the said screen being able to colour the radiation issuing from the source (10).
- Indicator light according to one of Claims 1 to 4, in which the cover is produced by plastic moulding, characterised in that the second material (34) is moulded onto the first material (32).
- Indicator light according to one of Claims 1 to 4, in which the cover is produced by plastic moulding, characterised in that the first material (32) is moulded onto the second material (34).
- Method of manufacturing by moulding the cover of an indicator light according to Claim 6, characterised in that it comprises the steps consisting of:moulding the second material (34) in a single piece with at least one cover of an adjacent indicator light, andmoulding the first material (32) onto the second material.
- Method according to Claim 7, characterised in that the second material (34) forms a grid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9502873 | 1995-03-13 | ||
| FR9502873A FR2731771B1 (en) | 1995-03-13 | 1995-03-13 | SIGNAL LIGHT, PARTICULARLY FOR A MOTOR VEHICLE, PRODUCING A BEAM OF A SPECIFIC TINT AND HAVING ANOTHER TINT WHEN IT IS TURNED OFF, AND METHOD FOR MANUFACTURING THE INDICATOR OF SUCH A FIRE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0732534A1 EP0732534A1 (en) | 1996-09-18 |
| EP0732534B1 true EP0732534B1 (en) | 2003-05-02 |
Family
ID=9476965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96400497A Expired - Lifetime EP0732534B1 (en) | 1995-03-13 | 1996-03-11 | Signal light, especially for motor vehicle, emitting a beam of a given colour while being of another colour when not in use, and manufacturing method for its light cover |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0732534B1 (en) |
| DE (1) | DE69627744T2 (en) |
| ES (1) | ES2198468T3 (en) |
| FR (1) | FR2731771B1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2753521B1 (en) * | 1996-09-18 | 1998-12-04 | Valeo Vision | SIGNALING LIGHT WITH IMPROVED LAMP COVER FOR A MOTOR VEHICLE |
| FR2763385B1 (en) * | 1997-05-15 | 1999-08-06 | Valeo Vision | SIGNAL LIGHT FOR MOTOR VEHICLE WITH ADDITIVE SYNTHESIS |
| FR2770184B1 (en) * | 1997-10-27 | 1999-12-31 | Axo Scintex Cie Equip Automobi | MOTOR VEHICLE SIGNAL LIGHT |
| DE19753762A1 (en) * | 1997-12-04 | 1999-06-10 | Itt Mfg Enterprises Inc | Combination rear signal lamp for automobile |
| DE19812655B4 (en) * | 1998-03-23 | 2009-05-20 | Volkswagen Ag | lamp |
| FR2793302B1 (en) * | 1999-05-06 | 2001-07-06 | Axo Scintex Cie Equip Automobi | VEHICLE SIGNAL LIGHT |
| FR2808247B1 (en) * | 2000-04-26 | 2002-08-23 | Axo Scintex Cie Equip Automobi | VEHICLE SIGNAL LIGHT |
| FR2857434B1 (en) * | 2003-07-11 | 2006-09-29 | Valeo Vision | SIGNALING LIGHT FOR VEHICLE |
| US7736818B2 (en) | 2004-12-27 | 2010-06-15 | Inphase Technologies, Inc. | Holographic recording medium and method of making it |
| SE0600675L (en) * | 2006-03-24 | 2007-02-20 | Prismalence Ab | Lighting fixture with a cover glass which includes parallel projecting cams |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3130085A1 (en) * | 1981-07-30 | 1983-02-17 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Signal lamp for vehicles |
| EP0074727A1 (en) * | 1981-08-29 | 1983-03-23 | Britax Vega Limited | Vehicle lamp assembly |
| DE8703615U1 (de) * | 1987-03-11 | 1987-04-16 | Hella KG Hueck & Co., 59557 Lippstadt | Fahrzeugleuchte |
-
1995
- 1995-03-13 FR FR9502873A patent/FR2731771B1/en not_active Expired - Lifetime
-
1996
- 1996-03-11 EP EP96400497A patent/EP0732534B1/en not_active Expired - Lifetime
- 1996-03-11 ES ES96400497T patent/ES2198468T3/en not_active Expired - Lifetime
- 1996-03-11 DE DE69627744T patent/DE69627744T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69627744T2 (en) | 2004-02-26 |
| FR2731771B1 (en) | 1997-06-06 |
| DE69627744D1 (en) | 2003-06-05 |
| EP0732534A1 (en) | 1996-09-18 |
| FR2731771A1 (en) | 1996-09-20 |
| ES2198468T3 (en) | 2004-02-01 |
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