EP2450622A2 - Beleuchtungs- und/oder Signalvorrichtung für Kraftfahrzeuge - Google Patents

Beleuchtungs- und/oder Signalvorrichtung für Kraftfahrzeuge Download PDF

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Publication number
EP2450622A2
EP2450622A2 EP20110187877 EP11187877A EP2450622A2 EP 2450622 A2 EP2450622 A2 EP 2450622A2 EP 20110187877 EP20110187877 EP 20110187877 EP 11187877 A EP11187877 A EP 11187877A EP 2450622 A2 EP2450622 A2 EP 2450622A2
Authority
EP
European Patent Office
Prior art keywords
piece
lighting
face
signaling device
parts
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
EP20110187877
Other languages
English (en)
French (fr)
Other versions
EP2450622A3 (de
EP2450622B1 (de
Inventor
Michel Hermitte
Nicolas Come
Jérôme Chiron
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP2450622A2 publication Critical patent/EP2450622A2/de
Publication of EP2450622A3 publication Critical patent/EP2450622A3/de
Application granted granted Critical
Publication of EP2450622B1 publication Critical patent/EP2450622B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S41/55—Attachment thereof
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors
    • 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
    • F21S43/235—Light guides
    • 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
    • F21S43/27—Attachment thereof
    • 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
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S43/51—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates in particular to a lighting and / or signaling device of a motor vehicle.
  • a part can be initially received by an adhesive before being glued to an additional piece.
  • one printed circuit board may be coated with one side of a double-sided adhesive before the other side of the adhesive is glued to a heatsink.
  • the joining element therefore has a region bonded to the first part and a free region not bonded to this first part.
  • This free region is thus free of access to an additional room that could stick to this free region.
  • it is easy to obtain a fixation, in particular a pre-assembly, of the additional piece, without resorting to other means of attachment, such as stapling or screwing. It is thus easier to pre-assemble certain parts into a set of parts, before the final assembly of this assembly to other parts to realize the lighting and / or signaling device of a motor vehicle.
  • This contour can be open and concave, such as a notch, thus delimiting a bonding area.
  • this contour is closed, so that the contour forms a hole passing through the first part.
  • the free region is accessible through the first piece through this hole. It is thus possible to have a first pre-glued part with the joining element, which can be more easily handled before the additional part is glued.
  • the free region is surrounded by the walls of the hole and thus protected by them. This free region being at the bottom of this hole, it is more difficult for unwanted objects, such as dust, to stick to it before and after fixing the additional part.
  • said optical part is a light guide.
  • these light sources are light emitting diodes.
  • the face of the first part which is glued to the junction element is the face which is vis-à-vis the optical element.
  • This set may have the same characteristics as the set of parts of the lighting and / or signaling device according to the invention described above.
  • the invention also relates to a lighting and / or signaling device comprising the set of parts described in the previous paragraphs.
  • the Figures 1 to 6ter illustrate a set of parts 1, intended to be placed in the housing of a lighting and / or signaling device of a motor vehicle.
  • this first part is a printed circuit board 2. It comprises connectors 27, intended to receive a power supply for light-emitting diodes 23, which in the figure 2 are on the underside of the printed circuit board 2 and facing down.
  • the joining element is a double-sided adhesive tape.
  • This adhesive tape 4 is positioned between the printed circuit board 2 and a second piece 6, the adhesive tape comprising a first adhesive face 41 glued to the card 2 and a second adhesive face 42 bonded to the second piece 6.
  • the second piece is a heat sink 6, for dissipating the heat generated by the electronic card, in particular by the LEDs 23.
  • this adhesive tape comprises a thermal adhesive and carries out the heat transfer between the card 2 and the dissipator 6.
  • This dissipator 6 is here made by a metal plate. As illustrated, the thermal bridge can be completed by thermal screws 12 connecting the card 2 and the dissipator 6.
  • the contour is closed, so that the contour forms a through hole 21 to the first part 2, the free region 43 being accessible through the first part through this hole 21.
  • This set of parts is easily manipulated and can be transported before being fixed to an optical part, the edges of the hole protecting the free region 43.
  • the additional part is an optical part.
  • the optical part is a light guide 8 having entry zones 86 in the light rays guide emitted by the light sources 23.
  • This guide 8 is arranged in such a way as to these rays of light propagate to an exit face 87 by one or more internal reflections.
  • An example of a light guide that can be used with the present invention is notably illustrated in the application EP 1 881 263 .
  • the light rays exiting through the exit face 87 form a lighting and / or signaling beam.
  • the optical part comprises one or more guide elements 84, comprising a surface bonded to said free region 43.
  • the guide element is a projection of the light guide extending from the face of the guide 8 facing with the card 2, towards the card 2. More particularly, the guide element 84 passes through the free region 43.
  • the guide 8 is brought closer to the card so that the guide element 84 tears the adhesive tape 4 in its free region 43.
  • Pions 82 of the guide 8 preferably integrally formed with the guide assembly, comprise an end 83 in contact with said card 2 once the assembly of the guide and the map made.
  • these pins serve as stops, keeping the card 2 away from the guide 8 and stop the progression of the guide member 84 through the adhesive tape 4 during assembly.
  • the guide member 84 By tearing the adhesive tape 4, the guide member 84 has caused portions of tape 44 and 45, which remain attached to the tape 4, but extend along the guide member, in the direction of penetration of the tape. the latter through the adhesive tape 4. This makes it possible to increase the portion of the surface of the free region 43 bonded to the guide element 84. Also, the guide element 84 is thus enclosed by the adhesive tape 4. Preassembly is thus stronger and more reliable.
  • the optical part may comprise several guiding elements 84, as illustrated on the Figures 1 to 3 .
  • the radiator is arranged to allow passage to the guide element 84.
  • it comprises a hole 61 facing the through hole 21.
  • the adhesive tape may also have a pre-drilling hole in its free region 43, the diameter of which is smaller than the section of the guide element in a plane comprising this pre-drilling hole 47. This facilitates the tearing of the adhesive tape 4.
  • the guide element 84 may have a shape, such as a pointed shape. The adhesive tape may then not include a pre-drilling hole, the tip allowing tearing.
  • the assembly 1 can be fixed in the housing of the lighting and / or signaling device, for example by screws passing through orifices 11 of the assembly.
  • the second embodiment differs from the first embodiment in that the guide element 84 'does not cross the joining element 4.
  • the guide element comprises a surface 85', especially flat, which simply supports the region free of charge 43 through the through hole 21.
  • This guide element 84 ' is arranged so that when it is glued to the free region 43, the ends 83' of the stops 82 'of the light guide 8' are in contact with each other. with the printed circuit board 2.
  • These stops may be identical to those of the first embodiment.
  • the guide element 84 'thus also serves as a stop and hold at a given distance from the card 2 and the guide 8.
  • the heat sink 6 does not need to present an orifice opposite said contour, here the through hole 21.
  • the third embodiment differs from the first embodiment in that the contour 22 is not a closed contour.
  • this contour is concave and forms a notch 22, leaving free access to the free region 43 ", to fix the optical part 8 by its guide element 8.
  • the guide element may be arranged in such a way as not to tear the joining element 4, simply to bear against the free region, as has been described for the second embodiment.
  • the optical part 8 has not been shown so as to illustrate the first part 2 "and its contour 22, leaving access to the free region 43". Similarly, for clarity, it has not been shown heat sink. This can be added and glued to the adhesive tape on its second face 42.
  • the second face 141 of the adhesive tape 104 is adhered to the end surfaces 183 of positioning members 182, such as pins. These pins keep the guide 108 at a determined distance from the card 102.
  • the adhesive tape 4 is arranged to pass by or bypass the LED 123, so as not to cover it.
  • the face of the card 102 which is glued to the adhesive tape 104 is the face opposite the optical element 108.
  • This embodiment is particularly advantageous when there is There is no need to attach a heater to the 102 board.
EP11187877.3A 2010-11-08 2011-11-04 Beleuchtungs- und/oder Signalvorrichtung für Kraftfahrzeuge Active EP2450622B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1059198A FR2970060B1 (fr) 2010-11-08 2010-11-08 Dispositif d'eclairage et/ou de signalisation de vehicule automobile

Publications (3)

Publication Number Publication Date
EP2450622A2 true EP2450622A2 (de) 2012-05-09
EP2450622A3 EP2450622A3 (de) 2013-06-26
EP2450622B1 EP2450622B1 (de) 2018-12-05

Family

ID=44081171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11187877.3A Active EP2450622B1 (de) 2010-11-08 2011-11-04 Beleuchtungs- und/oder Signalvorrichtung für Kraftfahrzeuge

Country Status (4)

Country Link
US (1) US9068731B2 (de)
EP (1) EP2450622B1 (de)
CN (1) CN102658790B (de)
FR (2) FR2970060B1 (de)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
EP3372892A1 (de) * 2017-03-07 2018-09-12 PSA Automobiles SA Beleuchtungsvorrichtung mit vereinfachter und präziser positionierungen der leuchtquellen, und lichtwellenleiter
EP3242074A4 (de) * 2014-12-29 2018-09-12 LG Innotek Co., Ltd. Lampeneinheit und fahrzeuglampenvorrichtung damit
WO2020104739A1 (fr) * 2018-11-23 2020-05-28 Psa Automobiles Sa Module lumineux multifonctions doté de deux guides de lumière de type plat
IT202000005908A1 (it) * 2020-03-19 2021-09-19 Marelli Automotive Lighting Italy S P A Con Socio Unico Dispositivo di illuminazione per veicoli con elemento di finitura estetica
FR3114633A1 (fr) * 2020-09-30 2022-04-01 Valeo Vision Module lumineux pour véhicule automobile
EP4102131A1 (de) * 2021-06-09 2022-12-14 ZKW Group GmbH Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer

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US11131431B2 (en) 2014-09-28 2021-09-28 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
WO2014105408A2 (en) 2012-12-28 2014-07-03 3M Innovative Properties Company Hybrid tailight article
JP6254390B2 (ja) 2013-09-05 2017-12-27 株式会社小糸製作所 車両用ランプユニット
FR3011784B1 (fr) * 2013-10-11 2017-04-21 Valeo Vision Belgique Dispositif d'eclairage ou de signalisation de vehicule automobile et procede d'assemblage correspondant
ITPD20130353A1 (it) 2013-12-20 2015-06-21 Automotive Lighting Italia Spa Dispositivo di illuminazione e/o segnalazione per veicoli
US10560989B2 (en) 2014-09-28 2020-02-11 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
CN205979260U (zh) 2014-09-28 2017-02-22 嘉兴山蒲照明电器有限公司 Led直管灯
US10514134B2 (en) 2014-12-05 2019-12-24 Jiaxing Super Lighting Electric Appliance Co., Ltd LED tube lamp
US9897265B2 (en) 2015-03-10 2018-02-20 Jiaxing Super Lighting Electric Appliance Co., Ltd. LED tube lamp having LED light strip
CN108644735B (zh) * 2018-04-25 2020-03-20 东风汽车有限公司 动态信号灯及其控制方法

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3242074A4 (de) * 2014-12-29 2018-09-12 LG Innotek Co., Ltd. Lampeneinheit und fahrzeuglampenvorrichtung damit
US10260702B2 (en) 2014-12-29 2019-04-16 Lg Innotek Co., Ltd. Lamp unit and vehicle lamp device using same
EP3372892A1 (de) * 2017-03-07 2018-09-12 PSA Automobiles SA Beleuchtungsvorrichtung mit vereinfachter und präziser positionierungen der leuchtquellen, und lichtwellenleiter
FR3063797A1 (fr) * 2017-03-07 2018-09-14 Peugeot Citroen Automobiles Sa Dispositif d’eclairage a positionnements simplifies et precis des sources de lumiere et guides de lumiere
WO2020104739A1 (fr) * 2018-11-23 2020-05-28 Psa Automobiles Sa Module lumineux multifonctions doté de deux guides de lumière de type plat
FR3088986A1 (fr) * 2018-11-23 2020-05-29 Psa Automobiles Sa Module lumineux multifonctions doté de deux guides de lumière de type plat
IT202000005908A1 (it) * 2020-03-19 2021-09-19 Marelli Automotive Lighting Italy S P A Con Socio Unico Dispositivo di illuminazione per veicoli con elemento di finitura estetica
EP3882516A1 (de) * 2020-03-19 2021-09-22 Marelli Automotive Lighting Italy S.p.A. Con Socio Unico Beleuchtungsvorrichtung für fahrzeuge mit ästhetischem abschlusselement
FR3114633A1 (fr) * 2020-09-30 2022-04-01 Valeo Vision Module lumineux pour véhicule automobile
WO2022069675A1 (fr) * 2020-09-30 2022-04-07 Valeo Vision Module lumineux pour véhicule automobile
EP4102131A1 (de) * 2021-06-09 2022-12-14 ZKW Group GmbH Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer
WO2022258270A1 (de) * 2021-06-09 2022-12-15 Zkw Group Gmbh Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer

Also Published As

Publication number Publication date
FR2970060A1 (fr) 2012-07-06
FR2970320B1 (fr) 2018-06-15
CN102658790A (zh) 2012-09-12
FR2970060B1 (fr) 2014-11-21
CN102658790B (zh) 2015-11-11
FR2970320A1 (fr) 2012-07-13
US20120113659A1 (en) 2012-05-10
EP2450622A3 (de) 2013-06-26
US9068731B2 (en) 2015-06-30
EP2450622B1 (de) 2018-12-05

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