EP3049265A1 - Driving assistance device, method and computer program that can be stored in a memory of a mobile terminal in order to operate the device - Google Patents
Driving assistance device, method and computer program that can be stored in a memory of a mobile terminal in order to operate the deviceInfo
- Publication number
- EP3049265A1 EP3049265A1 EP14777066.3A EP14777066A EP3049265A1 EP 3049265 A1 EP3049265 A1 EP 3049265A1 EP 14777066 A EP14777066 A EP 14777066A EP 3049265 A1 EP3049265 A1 EP 3049265A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control means
- vehicle
- screen
- transmission coefficient
- control
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/10—Electronic devices other than hearing aids
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
Definitions
- Driver assistance device recordable in a memory of a mobile terminal, for the implementation of said device
- the invention relates to a device for assisting the driving of a motor vehicle and a method and a computer program for implementing said device.
- the driver During the movement of a vehicle, the driver must constantly look towards the outside of the vehicle to prevent any danger that could lead to an accident. However, the driver's vision is regularly disturbed by the external brightness, whether it is glare due to the sun, due to the lights of a crossover vehicle or a vehicle followed, or by a sudden change in brightness such as an entrance or exit from a tunnel.
- the aim of the invention is to overcome at least some of the disadvantages of known driving aid devices and methods.
- the invention thus proposes for this purpose a device for assisting the driving of a motor vehicle, said assistance device comprising a screen with variable transmission of light, intended to be arranged between the road scene and a driver of the vehicle. vehicle, and means for controlling a transmission coefficient of the variable transmission screen.
- said screen and said control means are configured so as to be embedded on the vehicle as different components of an after-sales product.
- neither said screen nor said control means are part of said vehicle at the end of its manufacture. They are instead configured to be embedded in said vehicle after leaving the factory, especially at any point in the life of the vehicle, from its grip to its scrapping. In particular, they may be sold and / or delivered independently of the vehicle. The invention can thus be used in any vehicle, without it having a particular series equipment.
- the control means are not integrated in the screen, it limits the technical sophistication and cost of each component of the device. According to different embodiments, which can be taken together or separately:
- said screen comprises glasses
- said device comprises a support integrating said control means, said support being configured to be fixed in the vehicle,
- said support comprises means for supplying power to said control means
- control means are dedicated to said device
- said driving means are configured to be permanently installed on the vehicle; said control means are configured to exchange information with a mobile data processing terminal, in particular a mobile telephone and / or a tablet,
- said driving means are configured to take account of said data to determine said transmission coefficient
- said driving means are configured to be mobile with the driver of the vehicle
- said device comprises a mobile data processing terminal, in particular a mobile telephone and / or a tablet, equipped with said control means, said device comprises a brightness sensor;
- said driving means are configured to take into account a brightness level detected by said brightness sensor for determining said transmission coefficient
- said luminosity sensor is configured so as to be on board the vehicle as a component of said after-sales product, distinct from said screen;
- said luminosity sensor is integrated in said support
- control means are configured to process one or more types of information among:
- control means configured to take account of said information to determine said transmission coefficient
- control means are configured to transmit a control signal to the variable transmission screen
- control means comprise a remote control wave transmitter adapted to transmit the control signal to a receiver of said variable transmission screen;
- said receiver is able to control the transmission coefficient of the variable transmission screen
- the remote control wave transmitter is configured to transmit the control signal according to a wireless communication protocol.
- the invention also relates to a screen and / or piloting means specially adapted for use in the aid device described above.
- the invention also relates to a control method, particularly at a distance, of said light transmission coefficient, implementing said device.
- Said method will advantageously include a step of setting thresholds, in particular brightness thresholds, and a step of calculating said transmission coefficient using said thresholds. Said method may further comprise a step of selecting filtering laws for calculating said light transmission coefficient.
- the invention also relates to a computer program, recordable in a memory of a mobile data processing terminal as mentioned above, said program comprising instructions for remotely controlling said transmission coefficient. It may in particular be a digital application downloadable remotely on said terminal.
- Figure 1 is a schematic partial sectional view of a vehicle in which a device according to the invention is used;
- Figure 2 is a schematic view of the aid device according to one embodiment of the invention.
- FIG 1 schematically shows in partial section a vehicle 20 in which a device according to one embodiment of the invention is used.
- the vehicle 20 is driven by a driver, symbolized by its eye 24.
- the road scene corresponds to what the driver 24 of the vehicle 20 observes.
- the driver 24 here observes the road scene SR in front of the vehicle 20 and across the road. windshield 26.
- the device according to the invention comprises a screen 28 with variable transmission of light.
- Said screen 28 is disposed in the field of view of the driver 24, between the latter and the road scene.
- Said variable transmission screen is for example, as shown in Figure 1, a pair of glasses 28, carried by the driver 24, like sunglasses or corrective glasses, a single spectacle lens having been shown on the figure 1 .
- the screen 28 may also be placed in place of the sun visor, in front of the driver. In all cases, the screen is removable, that is to say likely to be embedded on the vehicle as a component of an after-sales product.
- a screen includes, for example, a combination of polarizers and a liquid crystal display. It may also be electro mechanical mirrors (MEMS according to the acronym).
- said device controls a transmission coefficient of the variable transmission screen, in particular by a pulsed signal.
- a pulsed signal This is to ensure that the variable transmission screen has its maximum transmission coefficient (i.e., the screen transparency is at a maximum) for a certain period during which the driver 24 sees the scene of the transmission. road.
- the variable transmission screen It is also the purpose of the variable transmission screen to have its transmission coefficient at a minimum (i.e., the screen transparency is at a minimum) for another period, during which the external lighting of the screen road scene are mitigated.
- the device comprises control means 30 which generate here the pulsed signal intended to control the variable transmission screen 28. Said pulsed signal is established, for example, at a processing unit 34.
- the signal pulsed may be a periodic signal of period T, the amplitude of which varies between a minimum Min and a maximum Max.
- the minimum Min corresponds to a minimum transmission coefficient for the variable transmission screen.
- the maximum Max corresponds to a maximum transmission coefficient for the variable transmission screen.
- the pulsed signal is used to control the transmission coefficient of the variable transmission screen by choosing the value of t.
- variable transmission screen has its maximum transmission coefficient for a half period and at least for a half period and the result is equivalent to an average transmission coefficient equal to the average between the maximum transmission coefficient and the minimum transmission coefficient.
- Said control means 30 are further configured to transmit a control signal containing said pulsed signal to the variable transmission screen 28.
- said control means 30 comprise, for example, a transmitter 38 of remote control waves, adapted to transmit the control signal to a receiver 40 of said variable transmission screen 28.
- Said transmitter 38 is here connected to the processing unit 34.
- Said receiver 40 of the screen 28 is advantageously able to control the transmission coefficient of the variable transmission screen, in particular from said pulsed signal.
- Said control means in particular the remote control wave transmitter 38, are configured to transmit the control signal according to a wireless communication protocol. It may be the protocol corresponding to the IEEE 802.15.1 standards as well as all its extensions (commonly referred to as the Bluetooth trademark) or IEEE 802.1 1 (commonly referred to as the Wi-Fi trademark).
- said screen 28 and said control means 30 are configured so as to be on board the vehicle as different components of an after-sales product, able to communicate with each other, preferably independently of the vehicle.
- the aid device according to the invention can in this way be acquired by the driver independently of his vehicle. It may in particular be used in vehicles that do not include any specific equipment pre-installed to control the transmission coefficient of the screen 28.
- Said control means 30 are furthermore separate from said screen 28, which makes it possible to limit the sophistication of each of the components. .
- said device comprises a support 40 integrating said control means 30.
- Said support is advantageously configured to be fixed in the vehicle, for example at its dashboard. and / or windshield, in particular using a suction cup, not illustrated.
- Said device further comprises a brightness sensor 42, communicating with said control means 30.
- Said brightness sensor can take any form suitable for its function, including photometric sensor, camera or other.
- Said brightness sensor 42 is advantageously configured so as to be embedded on the vehicle as a component of said after-sales product, while remaining separate from said screen 28. In other words, it is not integrated with the glasses. It is here integrated with the support 40.
- control means It will be able to exchange data with said control means, in particular with the aid of a data communication network 44, for example a LIN (for Local Interconnect Network) network.
- Said control means are then configured to take into account a brightness level raised by said sensor 42 to determine said transmission coefficient.
- Said assistance device may comprise a power supply 46 of said control means 30 and / or said brightness sensor 42.
- Said device power supply 46 is integrated, for example, in said support 40.
- Said power supply comprises, in particular, a battery and / or a charger. Alternatively and / or in a complementary manner, said device is configured to be connected to an onboard network of the vehicle.
- Said control means may further be configured to exchange information with a mobile data processing terminal 48, such as a mobile phone, a digital tablet or the like.
- Said information comprises, for example, a speed of the vehicle, this data being particularly useful for establishing in a relevant manner the transmission coefficient of the screen 28, in particular in correlation with the brightness measured. It may also be a positioning of the vehicle, including positioning using the GPS (Global Positioning System), this data is particularly useful to anticipate strong changes in brightness at the entrance and / or the exit of a tunnel.
- Said control means 30 are configured to take account of said information to determine said transmission coefficient. According to the aspect of the invention which precedes, it is understood that said control means 30 are dedicated to said device in the sense that they are not shared with other applications or integrated in a data processing device having other functions. .
- Said control means 30 are advantageously configured to be permanently installed on the vehicle, in particular via said support 40. In other words, even if said support 40 is removable, said control means 30 and / or said sensor brightness 42 are intended to remain in
- said control means 30 are configured to be mobile with the driver of the vehicle.
- they can be integrated in the mobile data processing terminal.
- Said terminal integrates, for example, a data carrier, readable by a microprocessor of said terminal, said data medium storing data instructions executable by said microprocessor and allowing the control of said control means.
- the support 40 may then be limited to the brightness sensor 42 which will be advantageously made able to communicate with said control means by a wireless communication protocol.
- control means 30 are advantageously configured to process one or more types of information among the vehicle speed and / or the positioning of the vehicle, among others, and said control means 30 are configured to take account of said information for determining said transmission coefficient.
- the vehicle speed information may be integrated as a predefined parameter in said control means.
- These can still be configured to allow the setting of thresholds, including glare thresholds, and / or to select, among several pre-recorded laws in a memory, a filter law for calculating the light transmission coefficient.
- the invention also relates to a computer program, for example recordable in a memory of the mobile terminal 48, said program comprising instructions for remotely controlling said transmission coefficient.
- Said program may in particular take the form of a digital application downloadable on said terminal from a digital application server.
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Dispositif d'aide à la conduite, procédé et programme d'ordinateur, enregistrable dans une mémoire d'un terminal mobile, pour la mise en œuvre dudit dispositif Driver assistance device, method and computer program, recordable in a memory of a mobile terminal, for the implementation of said device
L'invention concerne un dispositif d'aide à la conduite d'un véhicule automobile ainsi qu'un procédé et un programme d'ordinateur pour la mise en œuvre dudit dispositif. The invention relates to a device for assisting the driving of a motor vehicle and a method and a computer program for implementing said device.
Pendant le déplacement d'un véhicule, son conducteur doit regarder en permanence vers l'extérieur du véhicule pour prévenir de tout danger susceptible de provoquer un accident. Or, la vision du conducteur est régulièrement perturbée par la luminosité extérieure, que ce soit par éblouissement dû au soleil, dû aux feux d'un véhicule croisé ou d'un véhicule suivi, ou bien par variation brusque de luminosité telle qu'une entrée ou sortie d'un tunnel. During the movement of a vehicle, the driver must constantly look towards the outside of the vehicle to prevent any danger that could lead to an accident. However, the driver's vision is regularly disturbed by the external brightness, whether it is glare due to the sun, due to the lights of a crossover vehicle or a vehicle followed, or by a sudden change in brightness such as an entrance or exit from a tunnel.
Dans une optique d'améliorer le confort et la sécurité du conducteur, plusieurs solutions ont été proposées. L'une d'entre elle consiste à utiliser un écran à transmission variable de la luminosité, sous la forme par exemple de lunettes portées par le conducteur, dont la transparence varie en fonction d'un coefficient de transmission appliqué audit écran. Le coefficient de transmission prend en compte la luminosité et l'écran atténue la quantité de lumière transmise quand nécessaire. Dans les solutions connues, le calcul du coefficient de transmission est effectué à l'aide de moyens de traitement embarqués prévus, de série, sur le véhicule. In order to improve driver comfort and safety, several solutions have been proposed. One of them consists in using a screen with variable transmission of brightness, in the form for example of glasses worn by the driver, the transparency of which varies according to a transmission coefficient applied to said screen. The transmission coefficient takes into account the brightness and the screen attenuates the amount of light transmitted when necessary. In known solutions, the calculation of the transmission coefficient is performed using on-board processing means provided as standard on the vehicle.
Néanmoins, ces solutions ne permettent pas au conducteur d'une automobile dans lequel le dispositif n'a pas été installé lors de la fabrication dudit véhicule de pouvoir profiter de leurs fonctionnalités. Une solution envisageable pour résoudre ce problème est de prévoir lesdits moyens de traitement dans les lunettes mais une telle solution entraine un haut degré de sophistication des celles-ci. En cas de pertes ou de détérioration des lunettes, le coût de remplacement est ainsi élevé. L'invention vise à pallier au moins certains des inconvénients des dispositifs et procédés d'aide à la conduite connus. L'invention propose ainsi à cet effet un dispositif d'aide à la conduite d'un véhicule automobile, ledit dispositif d'aide comprenant un écran à transmission variable de la lumière, destiné à être disposé entre la scène de route et un conducteur du véhicule, et des moyens de pilotage d'un coefficient de transmission de l'écran à transmission variable. Selon l'invention, ledit écran et lesdits moyens de pilotage sont configurés de manière à pouvoir être embarqué sur le véhicule comme différents composants d'un produit après-vente. However, these solutions do not allow the driver of an automobile in which the device has not been installed during the manufacture of said vehicle to be able to enjoy their features. One possible solution to solve this problem is to provide said processing means in the glasses, but such a solution leads to a high degree of sophistication thereof. In case of loss or deterioration of the glasses, the replacement cost is thus high. The aim of the invention is to overcome at least some of the disadvantages of known driving aid devices and methods. The invention thus proposes for this purpose a device for assisting the driving of a motor vehicle, said assistance device comprising a screen with variable transmission of light, intended to be arranged between the road scene and a driver of the vehicle. vehicle, and means for controlling a transmission coefficient of the variable transmission screen. According to the invention, said screen and said control means are configured so as to be embedded on the vehicle as different components of an after-sales product.
On entend par là que ni ledit écran ni lesdits moyens de pilotage ne font partie dudit véhicule à l'issue de sa fabrication. Ils sont au contraire configurés pour pouvoir être embarqués dans ledit véhicule après sa sortie usine, notamment à tout moment de la vie du véhicule, de sa prise en main à sa mise à la casse. Ils pourront en particulier être vendus et/ou livrés de façon indépendante du véhicule. L'invention peut ainsi être utilisée dans n'importe quel véhicule, sans que celui-ci présente un équipement de série particulier. En outre, les moyens de pilotage n'étant pas intégrés à l'écran, on limite la sophistication technique et le coût de chacun des composants du dispositif. Selon différents mode de réalisation, qui pourront être pris ensemble ou séparément : By this is meant that neither said screen nor said control means are part of said vehicle at the end of its manufacture. They are instead configured to be embedded in said vehicle after leaving the factory, especially at any point in the life of the vehicle, from its grip to its scrapping. In particular, they may be sold and / or delivered independently of the vehicle. The invention can thus be used in any vehicle, without it having a particular series equipment. In addition, the control means are not integrated in the screen, it limits the technical sophistication and cost of each component of the device. According to different embodiments, which can be taken together or separately:
- ledit écran comprend des lunettes ; said screen comprises glasses;
- ledit dispositif comprend un support intégrant lesdits moyens de pilotage, ledit support étant configuré pour être fixé dans le véhicule, said device comprises a support integrating said control means, said support being configured to be fixed in the vehicle,
- ledit support comprend des moyens d'alimentation électrique desdits moyens de pilotage ; said support comprises means for supplying power to said control means;
- lesdits moyens de pilotage sont dédiés audit dispositif ; said control means are dedicated to said device;
- lesdits moyens de pilotage sont configurés pour être installés à demeure sur le véhicule ; - lesdits moyens de pilotage sont configurés pour échanger des informations avec un terminal de traitement de données mobile, notamment téléphone mobile et/ou tablette, said driving means are configured to be permanently installed on the vehicle; said control means are configured to exchange information with a mobile data processing terminal, in particular a mobile telephone and / or a tablet,
- lesdits moyens de pilotage sont configurés pour tenir compte desdites données pour déterminer ledit coefficient de transmission ; said driving means are configured to take account of said data to determine said transmission coefficient;
- lesdits moyens de pilotage sont configurés pour être mobile avec le conducteur du véhicule ; said driving means are configured to be mobile with the driver of the vehicle;
- ledit dispositif comprend un terminale de traitement de données mobile, notamment téléphone mobile et/ou tablette, équipé desdits moyens de pilotage, - ledit dispositif comprend un capteur de luminosité ; said device comprises a mobile data processing terminal, in particular a mobile telephone and / or a tablet, equipped with said control means, said device comprises a brightness sensor;
- lesdits moyens de pilotage sont configurés pour tenir compte d'un niveau de luminosité relevé par ledit capteur de luminosité pour déterminer ledit coefficient de transmission ; said driving means are configured to take into account a brightness level detected by said brightness sensor for determining said transmission coefficient;
- ledit capteur de luminosité est configuré de manière à pouvoir être embarqué sur le véhicule comme composant dudit produit après-vente, distinct dudit écran ; said luminosity sensor is configured so as to be on board the vehicle as a component of said after-sales product, distinct from said screen;
- ledit capteur de luminosité est intégré dans ledit support ; said luminosity sensor is integrated in said support;
- lesdits moyens de pilotage sont configurés pour traiter un ou plusieurs types d'informations parmi: said control means are configured to process one or more types of information among:
- une vitesse du véhicule, - a speed of the vehicle,
- un positionnement du véhicule, - a positioning of the vehicle,
- lesdits moyens de pilotage configurés pour tenir compte desdites informations pour déterminer ledit coefficient de transmission ; said control means configured to take account of said information to determine said transmission coefficient;
- lesdits moyens de pilotage sont configurés pour transmettre un signal de commande à l'écran à transmission variable ; said control means are configured to transmit a control signal to the variable transmission screen;
- lesdits moyens de pilotage comprennent un émetteur d'ondes de télécommandes apte à transmettre le signal de commande à destination d'un récepteur dudit écran à transmission variable ; said control means comprise a remote control wave transmitter adapted to transmit the control signal to a receiver of said variable transmission screen;
- ledit récepteur est apte à commander le coefficient de transmission de l'écran à transmission variable ; said receiver is able to control the transmission coefficient of the variable transmission screen;
- l'émetteur d'onde de télécommande est configuré pour transmettre le signal de commande selon un protocole de communication sans-fil. - The remote control wave transmitter is configured to transmit the control signal according to a wireless communication protocol.
L'invention concerne encore un écran et/ou des moyens pilotage spécialement adaptés pour être utilisés dans le dispositif d'aide décrit plus haut. L'invention concerne aussi un procédé de pilotage, notamment à distance, dudit coefficient de transmission de la lumière, mettant en œuvre ledit dispositif. The invention also relates to a screen and / or piloting means specially adapted for use in the aid device described above. The invention also relates to a control method, particularly at a distance, of said light transmission coefficient, implementing said device.
Ledit procédé comprendra avantageusement une étape de réglage de seuils, notamment de seuils de luminosité, et une étape de calcul dudit coefficient de transmission utilisant lesdits seuils. Ledit procédé pourra encore comprendre une étape de sélection de lois de filtrage pour le calcul dudit coefficient de transmission de la lumière. Said method will advantageously include a step of setting thresholds, in particular brightness thresholds, and a step of calculating said transmission coefficient using said thresholds. Said method may further comprise a step of selecting filtering laws for calculating said light transmission coefficient.
L'invention concerne aussi un programme d'ordinateur, enregistrable dans une mémoire d'un terminal mobile de traitement de données tel qu'évoqué plus haut, ledit programme comportant des instructions pour le pilotage à distance dudit coefficient de transmission. Il pourra en particulier s'agir d'une application numérique téléchargeable à distance sur ledit terminal. The invention also relates to a computer program, recordable in a memory of a mobile data processing terminal as mentioned above, said program comprising instructions for remotely controlling said transmission coefficient. It may in particular be a digital application downloadable remotely on said terminal.
D'autres buts, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante donnée à titre uniquement non limitatif et qui se réfère aux figures annexées dans lesquelles : Other objects, features and advantages of the invention will become apparent on reading the following description given solely by way of non-limiting example and which refers to the appended figures in which:
la figure 1 est une vue schématique en coupe partielle d'un véhicule dans lequel un dispositif conforme à l'invention est utilisé ; Figure 1 is a schematic partial sectional view of a vehicle in which a device according to the invention is used;
la figure 2 est une vue schématique du dispositif d'aide selon un mode de réalisation de l'invention. Figure 2 is a schematic view of the aid device according to one embodiment of the invention.
La figure 1 représente de façon schématique en coupe partielle un véhicule 20 dans lequel un dispositif d'aide selon un mode de réalisation de l'invention est utilisé. Le véhicule 20 est piloté par un conducteur, symbolisé par son œil 24. La scène de route correspond à ce qu'observe le conducteur 24 du véhicule 20. Le conducteur 24 observe ici la scène de route SR devant le véhicule 20 et à travers le pare-brise 26. Le dispositif conforme à l'invention comprend un écran 28 à transmission variable de la lumière. Ledit écran 28 est disposé dans le champ de vision du conducteur 24, entre ce dernier et la scène de route. Ledit écran à transmission variable est par exemple, comme représenté sur la figure 1 , une paire de lunettes 28, portée par le conducteur 24, à l'instar de lunettes de soleil ou lunettes correctrices, un seul verre de lunette ayant été représenté sur la figure 1 . L'écran 28 peut être également disposé à la place du pare-soleil, devant le conducteur. Dans tous les cas, l'écran est amovible, c'est-à-dire susceptible d'être embarqué sur le véhicule comme un composant d'un produit après-vente. Un tel écran comprend, par exemple, une combinaison de polariseurs et d'un écran à cristaux liquides. Il pourra encore s'agir de miroirs électro mécaniques (MEMS selon l'acronyme anglo-saxon). Figure 1 schematically shows in partial section a vehicle 20 in which a device according to one embodiment of the invention is used. The vehicle 20 is driven by a driver, symbolized by its eye 24. The road scene corresponds to what the driver 24 of the vehicle 20 observes. The driver 24 here observes the road scene SR in front of the vehicle 20 and across the road. windshield 26. The device according to the invention comprises a screen 28 with variable transmission of light. Said screen 28 is disposed in the field of view of the driver 24, between the latter and the road scene. Said variable transmission screen is for example, as shown in Figure 1, a pair of glasses 28, carried by the driver 24, like sunglasses or corrective glasses, a single spectacle lens having been shown on the figure 1 . The screen 28 may also be placed in place of the sun visor, in front of the driver. In all cases, the screen is removable, that is to say likely to be embedded on the vehicle as a component of an after-sales product. Such a screen includes, for example, a combination of polarizers and a liquid crystal display. It may also be electro mechanical mirrors (MEMS according to the acronym).
Quand il est en phase active (c'est-à-dire en fonctionnement), ledit dispositif pilote un coefficient de transmission de l'écran à transmission variable, notamment par un signal puisé. Cela a pour but que l'écran à transmission variable ait son coefficient de transmission au maximum (c'est-à-dire que la transparence de l'écran est au maximum) pendant une certaine période pendant laquelle le conducteur 24 voit la scène de route. Cela a aussi pour but que l'écran à transmission variable ait son coefficient de transmission au minimum (c'est-à-dire que la transparence de l'écran est au minimum) pendant une autre période, pendant laquelle les éclairages extérieurs de la scène de route sont atténués. Pour ce faire, le dispositif comprend des moyens de pilotage 30 qui génèrent ici le signal puisé destiné à commander l'écran à transmission variable 28. Ledit signal puisé est établi, par exemple, au niveau d'une unité de traitement 34. Le signal puisé pourra être un signal périodique de période T, dont l'amplitude varie entre un minimum Min et un maximum Max. Le minimum Min correspond à un coefficient de transmission au minimum pour l'écran à transmission variable. De la même façon, le maximum Max correspond à un coefficient de transmission au maximum pour l'écran à transmission variable. On pourra en particulier caractériser le signal puisé par un rapport cyclique qui est égale à t/T, t correspondant au temps où la valeur du signal puisé est au maximum et T à la période du signal puisé. En pratique, le signal puisé est utilisé pour piloter le coefficient de transmission de l'écran à transmission variable en choisissant la valeur de t. When it is in active phase (that is to say in operation), said device controls a transmission coefficient of the variable transmission screen, in particular by a pulsed signal. This is to ensure that the variable transmission screen has its maximum transmission coefficient (i.e., the screen transparency is at a maximum) for a certain period during which the driver 24 sees the scene of the transmission. road. It is also the purpose of the variable transmission screen to have its transmission coefficient at a minimum (i.e., the screen transparency is at a minimum) for another period, during which the external lighting of the screen road scene are mitigated. To do this, the device comprises control means 30 which generate here the pulsed signal intended to control the variable transmission screen 28. Said pulsed signal is established, for example, at a processing unit 34. The signal pulsed may be a periodic signal of period T, the amplitude of which varies between a minimum Min and a maximum Max. The minimum Min corresponds to a minimum transmission coefficient for the variable transmission screen. In the same way, the maximum Max corresponds to a maximum transmission coefficient for the variable transmission screen. In particular, it will be possible to characterize the pulsed signal by a duty cycle which is equal to t / T, t corresponding to the time when the value of the pulsed signal is at the maximum and T to the period of the pulsed signal. In practice, the pulsed signal is used to control the transmission coefficient of the variable transmission screen by choosing the value of t.
Ainsi, pour une valeur de t égale à T/2, autrement dit pour un rapport cyclique de 50% , l'écran à transmission variable a son coefficient de transmission au maximum pendant une moitié de période et au minimum pendant une moitié de période et le résultat équivaut à un coefficient de transmission moyen égal à la moyenne entre le coefficient de transmission maximum et le coefficient de transmission minimal. Lesdits moyens de pilotage 30 sont en outre configurés pour transmettre un signal de commande, contenant ledit signal puisé, à l'écran 28 à transmission variable. Thus, for a value of t equal to T / 2, in other words for a cyclic ratio of 50%, the variable transmission screen has its maximum transmission coefficient for a half period and at least for a half period and the result is equivalent to an average transmission coefficient equal to the average between the maximum transmission coefficient and the minimum transmission coefficient. Said control means 30 are further configured to transmit a control signal containing said pulsed signal to the variable transmission screen 28.
Pour cela, lesdits moyens de pilotage 30 comprennent, par exemple, un émetteur 38 d'ondes de télécommande, apte à transmettre le signal de commande à destination d'un récepteur 40 dudit écran à transmission variable 28. Ledit émetteur 38 est ici relié à l'unité de traitement 34. For this, said control means 30 comprise, for example, a transmitter 38 of remote control waves, adapted to transmit the control signal to a receiver 40 of said variable transmission screen 28. Said transmitter 38 is here connected to the processing unit 34.
Ledit récepteur 40 de l'écran 28 est avantageusement apte à commander le coefficient de transmission de l'écran à transmission variable, en particulier à partir dudit signal puisé. On entend par là qu'il est configuré pour appliquer à l'écran de transmission variable des ordres d'activation de l'écran à cristaux liquide et/ou des miroirs électro mécanique, correspondant au signal puisé. Lesdits moyens de pilotage, en particulier l'émetteur d'onde de télécommande 38, sont configurés pour transmettre le signal de commande selon un protocole de communication sans-fil. Il pourra s'agir du protocole correspondant aux normes IEEE 802.15.1 ainsi que toutes ses extensions (communément dénommé par la marque déposée Bluetooth) ou IEEE 802.1 1 (communément dénommé par la marque déposée Wi-Fi). Said receiver 40 of the screen 28 is advantageously able to control the transmission coefficient of the variable transmission screen, in particular from said pulsed signal. By this is meant that it is configured to apply to the variable transmission screen activation commands of the liquid crystal screen and / or electromechanical mirrors, corresponding to the pulsed signal. Said control means, in particular the remote control wave transmitter 38, are configured to transmit the control signal according to a wireless communication protocol. It may be the protocol corresponding to the IEEE 802.15.1 standards as well as all its extensions (commonly referred to as the Bluetooth trademark) or IEEE 802.1 1 (commonly referred to as the Wi-Fi trademark).
Selon l'invention, ledit écran 28 et lesdits moyens de pilotage 30 sont configurés de manière à pouvoir être embarqué sur le véhicule comme différents composants d'un produit après-vente, aptes à communiquer entre eux, de préférence indépendamment du véhicule. Le dispositif d'aide conforme à l'invention peut de la sorte être acquis par le conducteur indépendamment de son véhicule. Il pourra en particulier être utilisé dans des véhicules ne comprenant aucun équipement spécifique préinstallés pour contrôler le coefficient de transmission de l'écran 28. Lesdits moyens de pilotage 30 sont en outre distincts dudit écran 28 ce qui permet de limiter la sophistication de chacun des composants. According to the invention, said screen 28 and said control means 30 are configured so as to be on board the vehicle as different components of an after-sales product, able to communicate with each other, preferably independently of the vehicle. The aid device according to the invention can in this way be acquired by the driver independently of his vehicle. It may in particular be used in vehicles that do not include any specific equipment pre-installed to control the transmission coefficient of the screen 28. Said control means 30 are furthermore separate from said screen 28, which makes it possible to limit the sophistication of each of the components. .
Comme illustré à la figure 2, selon un premier aspect de l'invention, ledit dispositif comprend un support 40 intégrant lesdits moyens de pilotage 30. Ledit support est avantageusement configuré pour être fixé dans le véhicule, par exemple au niveau de son tableau de bord et/ou pare-brise, notamment à l'aide d'une ventouse, non-illustrée. Ledit dispositif comprend en outre un capteur de luminosité 42, communiquant avec lesdits moyens de pilotage 30. Ledit capteur de luminosité pourra prendre toute forme convenant à sa fonction, notamment capteur photométrique, caméra ou autres. Ledit capteur de luminosité 42 est avantageusement configuré de manière à pouvoir être embarqué sur le véhicule comme composant dudit produit après-vente, tout en restant distinct dudit écran 28. Autrement dit, il n'est pas intégré aux lunettes. Il est ici intégré au support 40. Il pourra échanger des données avec lesdits moyens de pilotage, notamment avec par l'intermédiaire d'un réseau 44 de communication de données, par exemple un réseau LIN (pour Local Interconnect Network). Lesdits moyens de pilotage sont alors configurés pour tenir compte d'un niveau de luminosité relevé par ledit capteur 42 pour déterminer ledit coefficient de transmission. As illustrated in FIG. 2, according to a first aspect of the invention, said device comprises a support 40 integrating said control means 30. Said support is advantageously configured to be fixed in the vehicle, for example at its dashboard. and / or windshield, in particular using a suction cup, not illustrated. Said device further comprises a brightness sensor 42, communicating with said control means 30. Said brightness sensor can take any form suitable for its function, including photometric sensor, camera or other. Said brightness sensor 42 is advantageously configured so as to be embedded on the vehicle as a component of said after-sales product, while remaining separate from said screen 28. In other words, it is not integrated with the glasses. It is here integrated with the support 40. It will be able to exchange data with said control means, in particular with the aid of a data communication network 44, for example a LIN (for Local Interconnect Network) network. Said control means are then configured to take into account a brightness level raised by said sensor 42 to determine said transmission coefficient.
Ledit dispositif d'aide pourra comprendre une alimentation électrique 46 desdits moyens de pilotage 30 et/ou dudit capteur de luminosité 42. Ladite alimentation électrique 46 est intégré, par exemple, dans ledit support 40. Ladite alimentation comprend, notamment, une batterie et/ou un chargeur. En variante et/ou de façon complémentaire, ledit dispositif est configuré pour être relié à un réseau de bord du véhicule. Said assistance device may comprise a power supply 46 of said control means 30 and / or said brightness sensor 42. Said device power supply 46 is integrated, for example, in said support 40. Said power supply comprises, in particular, a battery and / or a charger. Alternatively and / or in a complementary manner, said device is configured to be connected to an onboard network of the vehicle.
Lesdits moyens de pilotage pourront encore être configurés pour échanger des informations avec un terminal 48 de traitement de données mobile, telle qu'un téléphone mobile, une tablette numérique ou autres. Lesdites informations comprennent, par exemple, une vitesse du véhicule, cette donnée étant en particulier utile pour établir de façon pertinente le coefficient de transmission de l'écran 28, en particulier en corrélation avec la luminosité relevée. Il pourra encore s'agir d'un positionnement du véhicule, notamment d'un positionnement à l'aide du système GPS (pour Global Positionning System), cette donnée étant en particulier utile pour anticiper les fortes modifications de luminosité à l'entrée et/ou la sortie d'un tunnel. Lesdits moyens de pilotage 30 sont configurés pour tenir compte desdites informations pour déterminer ledit coefficient de transmission. Selon l'aspect de l'invention qui précède, on comprend que lesdits moyens de pilotage 30 sont dédiés audit dispositif au sens où ils ne sont pas partagés avec d'autres applications ou intégrés dans un dispositif de traitement de données présentant d'autres fonctions. Lesdits moyens de pilotage 30 sont de la sorte avantageusement configurés pour être installés à demeure sur le véhicule, notamment par le biais dudit support 40. Autrement dit, même si ledit support 40 est amovible, lesdits moyens de pilotage 30 et/ou ledit capteur de luminosité 42 ont pour vocation à rester dans le véhicule, une fois mis en place. Said control means may further be configured to exchange information with a mobile data processing terminal 48, such as a mobile phone, a digital tablet or the like. Said information comprises, for example, a speed of the vehicle, this data being particularly useful for establishing in a relevant manner the transmission coefficient of the screen 28, in particular in correlation with the brightness measured. It may also be a positioning of the vehicle, including positioning using the GPS (Global Positioning System), this data is particularly useful to anticipate strong changes in brightness at the entrance and / or the exit of a tunnel. Said control means 30 are configured to take account of said information to determine said transmission coefficient. According to the aspect of the invention which precedes, it is understood that said control means 30 are dedicated to said device in the sense that they are not shared with other applications or integrated in a data processing device having other functions. . Said control means 30 are advantageously configured to be permanently installed on the vehicle, in particular via said support 40. In other words, even if said support 40 is removable, said control means 30 and / or said sensor brightness 42 are intended to remain in the vehicle, once set up.
Selon un autre aspect de l'invention, non illustré, lesdits moyens de pilotage 30 sont configurés pour être mobile avec le conducteur du véhicule. Ils pourront en particulier être intégrés dans le terminal de traitement de données mobile. Ledit terminal intègre, par exemple, un support de données, lisible par un microprocesseur dudit terminal, ledit support de données stockant des instructions exécutables par ledit microprocesseur et permettant le contrôle desdits moyens de pilotage. According to another aspect of the invention, not illustrated, said control means 30 are configured to be mobile with the driver of the vehicle. In particular, they can be integrated in the mobile data processing terminal. Said terminal integrates, for example, a data carrier, readable by a microprocessor of said terminal, said data medium storing data instructions executable by said microprocessor and allowing the control of said control means.
Le support 40 pourra alors se limiter au capteur de luminosité 42 qui sera avantageusement rendu apte à communiquer avec lesdits moyens de pilotage par un protocole de communication sans fil. The support 40 may then be limited to the brightness sensor 42 which will be advantageously made able to communicate with said control means by a wireless communication protocol.
Selon cet aspect également, lesdits moyens de pilotage 30 sont avantageusement configurés pour traiter un ou plusieurs types d'informations parmi la vitesse du véhicule et/ou le positionnement du véhicule, entre autres, et lesdits moyens de pilotage 30 sont configurés pour tenir compte desdites informations pour déterminer ledit coefficient de transmission. According to this aspect also, said control means 30 are advantageously configured to process one or more types of information among the vehicle speed and / or the positioning of the vehicle, among others, and said control means 30 are configured to take account of said information for determining said transmission coefficient.
En variante, l'information de vitesse véhicule pourra être intégrée comme paramètre prédéfini dans lesdits moyens de pilotage. Ces derniers pourront encore être configurés pour permettre le réglage de seuils, notamment de seuils d'éblouissement, et/ou pour sélectionner, parmi plusieurs lois pré enregistrées dans une mémoire, une loi de filtrage servant au calcul du coefficient de transmission de la lumière. As a variant, the vehicle speed information may be integrated as a predefined parameter in said control means. These can still be configured to allow the setting of thresholds, including glare thresholds, and / or to select, among several pre-recorded laws in a memory, a filter law for calculating the light transmission coefficient.
L'invention concerne encore un programme d'ordinateur, par exemple enregistrable dans une mémoire du terminal mobile 48, ledit programme comportant des instructions pour le pilotage à distance dudit coefficient de transmission. The invention also relates to a computer program, for example recordable in a memory of the mobile terminal 48, said program comprising instructions for remotely controlling said transmission coefficient.
Ledit programme pourra en particulier prendre la forme d'une application numérique téléchargeable sur ledit terminal à partir d'un serveur d'applications numériques. Said program may in particular take the form of a digital application downloadable on said terminal from a digital application server.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1359276A FR3010964B1 (en) | 2013-09-26 | 2013-09-26 | DRIVING DEVICE, METHOD AND COMPUTER PROGRAM RECORDABLE IN A MEMORY OF A MOBILE TERMINAL FOR IMPLEMENTING SAID DEVICE |
| PCT/EP2014/070581 WO2015044321A1 (en) | 2013-09-26 | 2014-09-25 | Driving assistance device, method and computer program that can be stored in a memory of a mobile terminal in order to operate the device |
Publications (1)
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| EP3049265A1 true EP3049265A1 (en) | 2016-08-03 |
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Country Status (7)
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| US (1) | US9964781B2 (en) |
| EP (1) | EP3049265A1 (en) |
| JP (1) | JP2016533291A (en) |
| KR (1) | KR20160061344A (en) |
| CN (1) | CN105579261A (en) |
| FR (1) | FR3010964B1 (en) |
| WO (1) | WO2015044321A1 (en) |
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| FR3011091A1 (en) | 2013-09-26 | 2015-03-27 | Valeo Vision | DATA DISPLAY LENSES HAVING AN ANTI-GLARE SCREEN |
| FR3011090B1 (en) | 2013-09-26 | 2016-12-23 | Valeo Vision | DATA DISPLAY LENSES HAVING AN ANTI-GLARE SCREEN |
| FR3010941B1 (en) * | 2013-09-26 | 2017-01-13 | Valeo Vision | DEVICE AND METHOD FOR DRIVING ASSISTANCE |
| FR3011095B1 (en) | 2013-09-26 | 2016-12-23 | Valeo Vision | ADAPTIVE OPTICAL FILTER FOR GLASSES OF GLASSES |
| FR3010938B1 (en) | 2013-09-26 | 2015-10-30 | Valeo Vision | DEVICE AND METHOD FOR DRIVING ASSISTANCE |
| FR3011096B1 (en) | 2013-09-26 | 2015-10-16 | Valeo Vision | LIGHTWEIGHT ANTI-GLARE AND VISION GOGGLES WITH THREE DIMENSIONS |
| JPWO2017145015A1 (en) * | 2016-02-26 | 2019-01-24 | 株式会社半導体エネルギー研究所 | Mobile and anti-glare system |
| US10589660B2 (en) | 2016-04-01 | 2020-03-17 | Semiconductor Energy Laboratory Co., Ltd. | Mobile unit and system for mobile unit |
| JP7167022B2 (en) | 2017-07-07 | 2022-11-08 | 株式会社半導体エネルギー研究所 | DISPLAY SYSTEM AND HOW THE DISPLAY SYSTEM OPERATES |
| CN108357337A (en) * | 2018-02-08 | 2018-08-03 | 中山市锐盈电子有限公司 | A multifunctional transparent liquid crystal display system for vehicles |
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| US7970172B1 (en) * | 2006-01-24 | 2011-06-28 | James Anthony Hendrickson | Electrically controlled optical shield for eye protection against bright light |
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| JP2004182006A (en) * | 2002-11-29 | 2004-07-02 | Denso Corp | Travelling safety device of vehicle and program |
| CN1552594B (en) * | 2003-06-03 | 2011-04-20 | 陈友苏 | Method and apparatus for improving visual performance of impulse illuminating anti-dazzle system |
| US7134707B2 (en) * | 2005-02-10 | 2006-11-14 | Motorola, Inc. | Selective light attenuation system |
| JP2007022178A (en) * | 2005-07-13 | 2007-02-01 | Nissan Motor Co Ltd | Vehicle antitheft device and vehicle window transmittance control method |
| US20090168185A1 (en) * | 2007-12-27 | 2009-07-02 | Motorola, Inc. | Electrochromic Windshield with Computer Vision Control |
| US8140219B2 (en) * | 2008-02-13 | 2012-03-20 | Cernasov Nathalie Grace | Automatic glare reduction system for vehicles |
| JP2009227018A (en) * | 2008-03-21 | 2009-10-08 | Toyota Motor Corp | Anti-dazzle device for vehicle |
| JP5231846B2 (en) * | 2008-03-31 | 2013-07-10 | 株式会社デンソーアイティーラボラトリ | In-vehicle light control device, transmittance control method, and program |
| GB2475870B (en) * | 2009-12-03 | 2016-04-06 | Gm Global Tech Operations Inc | Camera and navigating based window shading for a vehicle |
| WO2012079159A1 (en) * | 2010-12-15 | 2012-06-21 | Switch Materials Inc. | Variable transmittance optical devices |
| CN202944179U (en) * | 2012-10-15 | 2013-05-22 | 华东师范大学 | Anti-dazzling driver assistance system based on liquid crystal glass |
| CN103072451A (en) * | 2013-01-25 | 2013-05-01 | 彭艳兵 | Safe driving auxiliary device and method |
| US9442293B2 (en) * | 2014-05-06 | 2016-09-13 | Microsoft Technology Licensing, Llc | Composite variable light attenuator |
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2013
- 2013-09-26 FR FR1359276A patent/FR3010964B1/en not_active Expired - Fee Related
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2014
- 2014-09-25 KR KR1020167007847A patent/KR20160061344A/en not_active Withdrawn
- 2014-09-25 EP EP14777066.3A patent/EP3049265A1/en not_active Withdrawn
- 2014-09-25 US US14/916,647 patent/US9964781B2/en not_active Expired - Fee Related
- 2014-09-25 CN CN201480052700.3A patent/CN105579261A/en active Pending
- 2014-09-25 WO PCT/EP2014/070581 patent/WO2015044321A1/en not_active Ceased
- 2014-09-25 JP JP2016517313A patent/JP2016533291A/en active Pending
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| US7970172B1 (en) * | 2006-01-24 | 2011-06-28 | James Anthony Hendrickson | Electrically controlled optical shield for eye protection against bright light |
Non-Patent Citations (1)
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| See also references of WO2015044321A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015044321A1 (en) | 2015-04-02 |
| US20160216536A1 (en) | 2016-07-28 |
| KR20160061344A (en) | 2016-05-31 |
| FR3010964B1 (en) | 2017-01-06 |
| FR3010964A1 (en) | 2015-03-27 |
| US9964781B2 (en) | 2018-05-08 |
| JP2016533291A (en) | 2016-10-27 |
| CN105579261A (en) | 2016-05-11 |
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