FR2995410A1 - DISPLAY DEVICE FOR MOTOR VEHICLE - Google Patents

DISPLAY DEVICE FOR MOTOR VEHICLE Download PDF

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Publication number
FR2995410A1
FR2995410A1 FR1258619A FR1258619A FR2995410A1 FR 2995410 A1 FR2995410 A1 FR 2995410A1 FR 1258619 A FR1258619 A FR 1258619A FR 1258619 A FR1258619 A FR 1258619A FR 2995410 A1 FR2995410 A1 FR 2995410A1
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FR
France
Prior art keywords
light
vehicle
guide
motor vehicle
images
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.)
Granted
Application number
FR1258619A
Other languages
French (fr)
Other versions
FR2995410B1 (en
Inventor
Sabine Langlois
Christophe Maaded
Geoffrey Lepine
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.)
Renault SA
Original Assignee
Renault SA
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
Priority to FR1258619A priority Critical patent/FR2995410B1/en
Application filed by Renault SA filed Critical Renault SA
Priority to EP13776839.6A priority patent/EP2895346A1/en
Priority to IN2632DEN2015 priority patent/IN2015DN02632A/en
Priority to RU2015113429A priority patent/RU2640678C2/en
Priority to BR112015005523A priority patent/BR112015005523A2/en
Priority to CN201380052993.0A priority patent/CN104703833B/en
Priority to PCT/FR2013/052079 priority patent/WO2014041294A1/en
Publication of FR2995410A1 publication Critical patent/FR2995410A1/en
Application granted granted Critical
Publication of FR2995410B1 publication Critical patent/FR2995410B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/336—Light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/77—Instrument locations other than the dashboard
    • B60K2360/785—Instrument locations other than the dashboard on or in relation to the windshield or windows
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Instrument Panels (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Details Of Measuring Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

L'invention a pour objet un dispositif (1) d'affichage pour véhicule automobile, caractérisé en ce qu'il comprend : - une source lumineuse (5), apte à émettre des signaux lumineux, et - un guide de lumière (3), apte à guider les signaux lumineux à travers une pluralité d'ouvertures (31) du guide (3), de manière à réfléchir, sur une surface (7) du véhicule, une pluralité d'images lumineuses (6).The invention relates to a display device (1) for a motor vehicle, characterized in that it comprises: - a light source (5), able to emit light signals, and - a light guide (3) , able to guide the light signals through a plurality of openings (31) of the guide (3), so as to reflect, on a surface (7) of the vehicle, a plurality of light images (6).

Description

DI SPOSI TI F D'AFFI CHAGE POUR VEHI CULE AUTOMOBI LE La présente invention a pour objet un dispositif d'affichage pour 5 véhicule automobile, et notamment un dispositif apte à réfléchir sur le pare-brise du véhicule des informations sous forme d'images géométriques. Les systèmes d'aide à la conduite diffusent, lorsqu'ils détectent une anomalie, un message au conducteur afin de susciter une réaction de sa part. Ces systèmes sont par exemple mis en oeuvre pour la prévention de sorties de 10 voie ou pour signaler la proximité d'un autre véhicule. On connaît différents types de messages d'alerte. La diffusion d'un message visuel dans le tableau de bord n'est pas appropriée, car le message a peu de chances d'être détecté. Il est également connu d'utiliser des messages sonores, ce qui peut être approprié en cas de danger, et donc si une réaction 15 rapide est attendue. Néanmoins, les messages sonores sont peu compréhensibles et souvent gênants. Le document US 2009/0231116 décrit un dispositif comprenant des diodes placées dans la planche de bord du véhicule pour créer des reflets qui sont sous forme de points et de lignes. Ces formes ne sont toutefois pas 20 suffisamment suggestives du contenu du message. Le conducteur comprend qu'il doit réagir, mais il ne sait pas à quoi. La présente invention vise à remédier à ces inconvénients. Elle propose en particulier un dispositif d'affichage pour véhicule automobile qui permette une transmission compréhensible des messages au 25 conducteur. L'invention a ainsi pour objet un dispositif d'affichage pour véhicule automobile. Le dispositif selon l'invention comprend : - une source lumineuse, apte à émettre des signaux lumineux, et 30 - un guide de lumière, apte à guider les signaux lumineux à travers une pluralité d'ouvertures du guide, de manière à réfléchir, sur une surface du véhicule, une pluralité d'images lumineuses.The present invention relates to a display device for a motor vehicle, and in particular to a device able to reflect on the windscreen of the vehicle information in the form of images. geometric. The driver assistance systems broadcast, when they detect an anomaly, a message to the driver in order to elicit a reaction from him. These systems are for example implemented for the prevention of lane exits or to signal the proximity of another vehicle. There are different types of alert messages. Broadcasting a visual message in the dashboard is not appropriate because the message is unlikely to be detected. It is also known to use audible messages, which may be appropriate in case of danger, and therefore if a rapid reaction is expected. Nevertheless, the sound messages are unintelligible and often embarrassing. The document US 2009/0231116 describes a device comprising diodes placed in the dashboard of the vehicle to create reflections which are in the form of dots and lines. These forms, however, are not sufficiently suggestive of the content of the message. The driver understands that he has to react, but he does not know what. The present invention aims to remedy these disadvantages. In particular, it proposes a display device for a motor vehicle that enables the message to be conveyed to the driver in a comprehensible manner. The invention thus relates to a display device for a motor vehicle. The device according to the invention comprises: a light source, capable of emitting light signals, and a light guide, able to guide the light signals through a plurality of openings of the guide, so as to reflect, on a vehicle surface, a plurality of light images.

Ainsi, grâce à la présence du guide de lumière, on peut former une pluralité d'images lumineuses de formes géométriques déterminées par la forme des ouvertures, ce qui permet de former un message clair et suggestif pour le conducteur.Thus, by virtue of the presence of the light guide, a plurality of light images of geometric shapes determined by the shape of the openings can be formed, which makes it possible to form a clear and suggestive message for the driver.

Le dispositif peut comprendre en outre un diffusant, apte à diffuser les signaux lumineux issus du guide de lumière. Le diffusant peut être en matériau translucide. La surface du véhicule sur laquelle sont réfléchies les images lumineuses peut être le pare-brise du véhicule.The device may further comprise a diffuser, able to diffuse the light signals coming from the light guide. The diffusing material may be of translucent material. The surface of the vehicle on which the bright images are reflected may be the windshield of the vehicle.

La source lumineuse peut comprendre une pluralité d'émetteurs de lumière. Les ouvertures du guide de lumière peuvent être de section géométrique, alphanumérique, ou de la forme d'un pictogramme. La source lumineuse peut être disposée sur un circuit imprimé.The light source may include a plurality of light emitters. The openings of the light guide may be of geometric, alphanumeric, or pictogram-like section. The light source can be arranged on a printed circuit.

Le circuit imprimé peut être relié à une alimentation électrique. Le circuit imprimé peut être relié à des moyens de commande de la source lumineuse. L'invention a également pour objet un véhicule automobile comprenant un dispositif décrit ci-dessus.The printed circuit can be connected to a power supply. The printed circuit may be connected to control means of the light source. The invention also relates to a motor vehicle comprising a device described above.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description suivante, donnée à titre d'exemple illustratif et non limitatif, et faite en référence à la figure 1 qui illustre un dispositif selon l'invention en perspective éclatée. Le dispositif 1 d'affichage selon l'invention, tel qu'illustré à la figure 1, 25 comprend une carte électronique 2, un guide de lumière 3, ainsi qu'un diffusant 4. La carte électronique 2 comprend des émetteurs de lumière du type diodes électroluminescentes 5. La carte électronique 2 est reliée à une alimentation électrique via une liaison 21, et à un réseau électronique du 30 véhicule, typiquement un calculateur, à l'aide d'une liaison 22. Le réseau électronique du véhicule transmet l'ordre de déclencher l'animation appropriée au moment opportun.Other features and advantages of the present invention will emerge more clearly on reading the following description, given by way of illustrative and nonlimiting example, and with reference to FIG. 1 which illustrates a device according to the invention in perspective. exploded. The display device 1 according to the invention, as illustrated in FIG. 1, comprises an electronic card 2, a light guide 3, and a diffusing element 4. The electronic card 2 comprises light emitters of FIG. 5. The electronic card 2 is connected to a power supply via a link 21, and to an electronic network of the vehicle, typically a computer, by means of a link 22. The electronic network of the vehicle transmits the signal. order to trigger the appropriate animation at the appropriate time.

Les diodes 5, ou toute autre source lumineuse appropriée, envoient des signaux lumineux en direction du guide lumière 3. Le guide de lumière 3 comprend des ouvertures 31, de manière à guider les signaux lumineux et à former des images de lumière 6 de formes géométriques déterminées par la forme des ouvertures 31. Les ouvertures 31 du guide de lumière 3 peuvent par exemple être de section géométrique telle que circulaire, rectangulaire, carrée, trapézoïdale, en forme d'arc de cercle, ou en forme de pointillés, ou encore selon d'autres exemples de section alphanumérique ou de la forme d'un pictogramme.The diodes 5, or any other appropriate light source, send light signals towards the light guide 3. The light guide 3 comprises openings 31, so as to guide the light signals and to form light images 6 of geometric shapes determined by the shape of the openings 31. The openings 31 of the light guide 3 can for example be of geometric section such as circular, rectangular, square, trapezoidal, arc-shaped, or in the form of a dotted line, or according to other examples of alphanumeric section or the shape of a pictogram.

Les images lumineuses formées dans le guide de lumière 3 sont ensuite dirigées vers le diffusant 4. Des images lumineuses 6 sont ainsi réfléchies sur un pare-brise 7. Le diffusant 4 permet de diffuser les signaux lumineux issus du guide de lumière 3. Le diffusant 4 permet ainsi d'éclater le point lumineux issu d'une diode 5 et de répartir la luminosité sur l'ensemble de la forme géométrique 6. En outre, le pare-brise 7 n'étant pas toujours traité, il se peut qu'une double image se crée. Le diffusant 4 permet de créer un floutage, de sorte que les deux images se mélangent et qu'ainsi une seule image est perçue par le conducteur. Le floutage est adapté à une vision périphérique, car l'oeil est ainsi moins tenté d'être attiré par cette image et de s'accommoder à sa distance focale. Le regard du conducteur peut ainsi rester sur la route pendant qu'il capte le ou les messages transmis. La forme des images 6 permet en effet de diffuser plusieurs images simultanément en cas de besoin. Le diffusant 4 peut être choisi parmi tout matériau translucide. Le taux 25 de translucidité pourra être réglé en fonction du compromis floutage/luminosité souhaité. Le dispositif selon l'invention peut être positionné à tout endroit de la planche de bord du véhicule, et pas seulement face au conducteur. Le reflet peut être positionné sur la partie transparente du pare-brise, mais également 30 sur la ligne d'émaillage du pare-brise. Dans ce cas, l'image formée est nette et il n'est pas nécessaire de créer un floutage comme dans le cas où la rétroprojection s'effectue sur la partie transparente du pare-brise.The light images formed in the light guide 3 are then directed towards the diffuser 4. Luminous images 6 are thus reflected on a windshield 7. The diffuser 4 makes it possible to broadcast the light signals coming from the light guide 3. The diffusing 4 thus makes it possible to burst the luminous point coming from a diode 5 and to distribute the luminosity over the whole of the geometrical shape 6. In addition, since the windshield 7 is not always treated, it is possible that a double image is created. The diffuser 4 allows to create a blur, so that the two images are mixed and thus a single image is perceived by the driver. The blurring is adapted to a peripheral vision, because the eye is thus less tempted to be attracted by this image and to accommodate at its focal length. The driver's gaze can remain on the road while he captures the transmitted message or messages. The shape of the images 6 makes it possible to broadcast several images simultaneously when needed. The diffuser 4 may be chosen from any translucent material. The translucency rate may be adjusted according to the desired blur / brightness compromise. The device according to the invention can be positioned at any point of the dashboard of the vehicle, and not only facing the driver. The reflection may be positioned on the transparent portion of the windshield, but also on the windshield enamel line. In this case, the image formed is clear and it is not necessary to create a blur as in the case where the overhead projection is performed on the transparent portion of the windshield.

On peut également envisager de projeter les images issues du dispositif selon l'invention sur une lame transparente ou partiellement transparente située en bas de pare-brise, ce qui permet ainsi de transmettre des messages dans la zone visuelle accessible au regard du conducteur, sans que celui-ci ait besoin de bouger la tête. Cette projection sur la lame a pour avantage de ne pas avoir à traiter le pare-brise, comme c'est le cas lorsqu'on utilise un diffusant.10It is also conceivable to project the images coming from the device according to the invention onto a transparent or partially transparent plate situated at the bottom of the windscreen, which thus makes it possible to transmit messages in the visual zone accessible to the driver, without he needs to move his head. This projection on the blade has the advantage of not having to treat the windshield, as is the case when using a diffusant.

Claims (10)

REVENDICATIONS1. Dispositif (1) d'affichage pour véhicule automobile, caractérisé en ce qu'il comprend : - une source lumineuse (5), apte à émettre des signaux lumineux, et - un guide de lumière (3), apte à guider les signaux lumineux à travers une pluralité d'ouvertures (31) du guide (3), de manière à réfléchir, sur une surface (7) du véhicule, une pluralité d'images lumineuses (6).REVENDICATIONS1. Display device (1) for a motor vehicle, characterized in that it comprises: - a light source (5) capable of emitting light signals, and - a light guide (3) capable of guiding the light signals through a plurality of openings (31) of the guide (3), so as to reflect, on a surface (7) of the vehicle, a plurality of light images (6). 2. Dispositif (1) selon la revendication 1, caractérisé en ce qu'il comprend en outre un diffusant (4), apte à diffuser les signaux lumineux issus du guide de lumière (3).2. Device (1) according to claim 1, characterized in that it further comprises a diffuser (4) capable of diffusing the light signals from the light guide (3). 3. Dispositif (1) selon la revendication 2, caractérisé en ce que le diffusant (4) est en matériau translucide.3. Device (1) according to claim 2, characterized in that the diffuser (4) is translucent material. 4. Dispositif (1) selon l'une des revendications 1 à 3, caractérisé en ce que la surface du véhicule sur laquelle sont réfléchies les images lumineuses est le pare-brise (7) du véhicule.4. Device (1) according to one of claims 1 to 3, characterized in that the vehicle surface on which the light images are reflected is the windshield (7) of the vehicle. 5. Dispositif (1) selon l'une des revendications 1 à 4, caractérisé en ce que la source lumineuse (5) comprend une pluralité d'émetteurs de lumière (5).5. Device (1) according to one of claims 1 to 4, characterized in that the light source (5) comprises a plurality of light emitters (5). 6. Dispositif (1) selon l'une des revendications 1 à 5, caractérisé en ce que les ouvertures (31) du guide de lumière (3) sont de section géométrique, alphanumérique, ou de la forme d'un pictogramme.6. Device (1) according to one of claims 1 to 5, characterized in that the openings (31) of the light guide (3) are of geometric section, alphanumeric, or in the form of a pictogram. 7. Dispositif (1) selon l'une des revendications 1 à 6, caractérisé en ce que la source lumineuse (5) est disposée sur un circuit imprimé (2).7. Device (1) according to one of claims 1 to 6, characterized in that the light source (5) is disposed on a printed circuit (2). 8. Dispositif (1) selon la revendication 7, caractérisé en ce que le circuit imprimé (2) est relié à une alimentation électrique.8. Device (1) according to claim 7, characterized in that the printed circuit (2) is connected to a power supply. 9. Dispositif (1) selon la revendication 7 ou 8, caractérisé en ce que le circuit imprimé (2) est relié à des moyens de commande de la source lumineuse (5).9. Device (1) according to claim 7 or 8, characterized in that the printed circuit (2) is connected to control means of the light source (5). 10.Véhicule automobile, caractérisé en ce qu'il comprend un dispositif (1) selon l'une des revendications 1 à 9.10.A motor vehicle, characterized in that it comprises a device (1) according to one of claims 1 to 9.
FR1258619A 2012-09-13 2012-09-13 DISPLAY DEVICE FOR MOTOR VEHICLE Expired - Fee Related FR2995410B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1258619A FR2995410B1 (en) 2012-09-13 2012-09-13 DISPLAY DEVICE FOR MOTOR VEHICLE
IN2632DEN2015 IN2015DN02632A (en) 2012-09-13 2013-09-11
RU2015113429A RU2640678C2 (en) 2012-09-13 2013-09-11 Visual alarm device for motor vehicle
BR112015005523A BR112015005523A2 (en) 2012-09-13 2013-09-11 display device for automotive vehicle, and, automotive vehicle
EP13776839.6A EP2895346A1 (en) 2012-09-13 2013-09-11 Display device for a motor vehicle
CN201380052993.0A CN104703833B (en) 2012-09-13 2013-09-11 For the display device of motor vehicles
PCT/FR2013/052079 WO2014041294A1 (en) 2012-09-13 2013-09-11 Display device for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1258619A FR2995410B1 (en) 2012-09-13 2012-09-13 DISPLAY DEVICE FOR MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
FR2995410A1 true FR2995410A1 (en) 2014-03-14
FR2995410B1 FR2995410B1 (en) 2014-08-29

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Application Number Title Priority Date Filing Date
FR1258619A Expired - Fee Related FR2995410B1 (en) 2012-09-13 2012-09-13 DISPLAY DEVICE FOR MOTOR VEHICLE

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EP (1) EP2895346A1 (en)
CN (1) CN104703833B (en)
BR (1) BR112015005523A2 (en)
FR (1) FR2995410B1 (en)
IN (1) IN2015DN02632A (en)
RU (1) RU2640678C2 (en)
WO (1) WO2014041294A1 (en)

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US20070210906A1 (en) * 2004-04-06 2007-09-13 Peter Knoll Signaling Device For Displaying Warning And/Or Informational Alerts In Vehicles
US20090231116A1 (en) * 2008-03-12 2009-09-17 Yazaki Corporation In-vehicle display device

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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020135573A1 (en) * 2001-03-26 2002-09-26 Naohito Kanamori Displaying device for vehicle having light sources of different directivities
US20070210906A1 (en) * 2004-04-06 2007-09-13 Peter Knoll Signaling Device For Displaying Warning And/Or Informational Alerts In Vehicles
US20090231116A1 (en) * 2008-03-12 2009-09-17 Yazaki Corporation In-vehicle display device

Also Published As

Publication number Publication date
BR112015005523A2 (en) 2017-08-08
RU2015113429A (en) 2016-11-10
IN2015DN02632A (en) 2015-09-18
CN104703833A (en) 2015-06-10
CN104703833B (en) 2018-06-01
EP2895346A1 (en) 2015-07-22
WO2014041294A1 (en) 2014-03-20
FR2995410B1 (en) 2014-08-29
RU2640678C2 (en) 2018-01-11

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