EP3333869B1 - Élément de commande pour un appareil ménager - Google Patents

Élément de commande pour un appareil ménager Download PDF

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Publication number
EP3333869B1
EP3333869B1 EP17203487.8A EP17203487A EP3333869B1 EP 3333869 B1 EP3333869 B1 EP 3333869B1 EP 17203487 A EP17203487 A EP 17203487A EP 3333869 B1 EP3333869 B1 EP 3333869B1
Authority
EP
European Patent Office
Prior art keywords
operating element
adapter part
light
light source
light guide
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.)
Active
Application number
EP17203487.8A
Other languages
German (de)
English (en)
Other versions
EP3333869A1 (fr
Inventor
Reinhard Fleissner
Ernst Huber
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3333869A1 publication Critical patent/EP3333869A1/fr
Application granted granted Critical
Publication of EP3333869B1 publication Critical patent/EP3333869B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/025—Light-emitting indicators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Definitions

  • the invention relates to a control element for a household appliance, the control element having an adapter part for connecting a control element head and a light guide, and the adapter part and the light guide being joined together and together forming a slot for a light source carrier.
  • a household appliance has at least one such control element.
  • the invention can be used particularly advantageously on control elements for front control panels, in particular oven or stove control panels.
  • DE 10 2012 204 223 A1 discloses a control element for a household appliance, with a control element head, which is rotatably arranged in a carrier sleeve, and a circuit carrier, which is associated with a setpoint generator, on which circuit carrier electrical contacts are arranged, which are connected to electrical contacts of a rotary actuator of the setpoint generator, which is connected to the control element head is coupled, can be contacted, wherein the rotary actuator can be moved relative to the circuit carrier as a function of the movement of the control element head, and the rotational position of the control element head can be detected depending on this, with at least one light source being arranged on the circuit carrier, and adjacent to the light source a separate one from the carrier sleeve
  • Light guide is arranged, in which the light of the light source can be coupled and guided into the interior of the support sleeve, wherein the light guide is partially formed as a light-conducting fastener.
  • the invention also relates to an operating device with such an operating element.
  • the WO 2012/089506 A1 discloses a household appliance having a control panel made of glass, a circular opening disposed on the control panel, a knob disposed in the opening, a housing attached to the rear of the control panel, extending inwardly from the control panel and protecting the knob, light source LEDs placed on the back wall of the housing and a light guide placed in the housing and providing the periphery of the button to be illuminated.
  • DE 200 1 0 428 U1 discloses an arrangement for illuminating the control button of an input unit by means of transmitted light, the input unit having a rotary switch attached to a partition wall, the control shaft of which carrying the control button reaches through to the opposite side of the partition wall, and at least one light source located on the side of the rotary switch is provided, with a Light guide is provided, on the light guide a light guide surface corresponding to the area of the control knob to be transilluminated is formed, the light guide is fastened to the partition wall on the control knob side and the light guide extends through the partition wall to the light source.
  • DE 10 2005 015814 A1 discloses a control element according to the preamble of claim 1.
  • This operating element has the advantage that the light source carrier can only be mounted when the light guide has been combined with the adapter part. This results in an inevitability in the assembly, which ensures that the light guide is always assembled. The light guide cannot be forgotten in the assembly process, so that a specified illumination quality (e.g. in terms of uniformity) and illumination brightness are reliably maintained.
  • a control element can be produced inexpensively with a particularly small number of parts.
  • the receiving part and the light guide are thus, in particular, separate components which are only connected to one another subsequently.
  • the household appliance is in particular an electrically operated household appliance.
  • the household appliance can be a large household appliance (e.g. a cooking appliance, a laundry care appliance, a refrigerator, a dishwasher, etc.) or a small household appliance (e.g. a coffee maker, a toaster, etc.).
  • a cooking appliance it can be an oven, a microwave oven, a steamer, a hob or any combination thereof (for example a cooker, possibly with a microwave and/or steamer function).
  • the adapter part is mechanically connected in particular to the operating element head.
  • the adapter part can hold the control element head.
  • the adapter part can transmit a mechanical movement of the operating element head to a corresponding sensor.
  • the adapter part can also be used to attach the control element to a technical Carrier part (e.g. on a control panel or on a switch carrier or panel carrier) be equipped.
  • the technical support part can in particular be an oven, stove or hob control panel.
  • the control panel can be a front panel.
  • the control head is intended for actuation by a user, e.g., by the user grasping or pressing the control head.
  • the light guide is used for the internal guidance of light, for example through an internally mirrored hollow channel or through total internal reflection.
  • a body that guides light by total internal reflection can also be referred to as a TIR body.
  • a TIR body can be made of transparent material such as glass or plastic, e.g. Plexiglas.
  • the light guide can be used to transmit light emitted by at least one light source of the light source carrier, for example for backlighting or interior lighting of the control element head and/or a light element surrounding the control element head (e.g. a light ring or similar).
  • the fact that the adapter part and the light guide are joined to one another can include, in particular, that these components are connected directly to one another, ie without intermediate pieces or the like.
  • the joining can include positive, non-positive and/or material-to-material joining.
  • the slide-in shaft is designed so that a light source carrier can be slid or plugged into it.
  • the light source carrier can be held in the slot in a form-fitting, force-fitting and/or material-fitting manner.
  • the light source carrier is equipped with at least one light source.
  • the at least one light source can be at least one LED or at least one laser diode.
  • the light source carrier can have a circuit board or printed circuit board or, for example, also a plate-shaped ceramic substrate.
  • the light source carrier can therefore in particular be an LED circuit board.
  • control element has the light source carrier that is inserted or received in the insertion slot. From the at least Light emitted by a light source can then be coupled into the light guide and is guided within the light guide. In particular, the light can be coupled out of the light guide again at a point where it backlights at least a partial area of the operating element.
  • Claim 1 further discloses that the adapter part has a support area with a rear support surface for supporting the light source carrier, the light guide areas ("wings") which rest on a front support surface of the support area, and the wings are bent backwards at their end sections, so that they encompass the support area in such a way that the insertion shaft is formed by means of a gap between the support area and the end sections.
  • This configuration has the advantage that it is particularly easy to assemble, is robust and can form the slide-in slot with low tolerances.
  • the rear support surface and the end areas can hold the light source carrier at least in a form-fitting manner (i.e. only in a form-fitting manner or in a form-fitting manner and additionally in a force-fitting manner and/or in a material-bonding manner) in the insertion slot.
  • a rear bearing surface can in particular be understood to mean a bearing surface which faces away from the viewer when the built-in operating element is viewed from the front.
  • a wing can be understood in particular as a region of the light guide which, when viewed from the front, extends to the side or laterally, in particular to the left or to the right.
  • the wing can in particular be an elongate area.
  • the wings can be two wings. They can be mirror-symmetrical.
  • the wings can also be called arms.
  • a wing can rest on the support area or on its front support surface, in particular up to its end section.
  • the adapter can in particular have the shape of a plate or disc, with a first flat side having or forming the front bearing surface and a second flat side having or forming the rear bearing surface.
  • the light guide can be accommodated in part in a front depression of the adapter area, in particular in an at least approximately complementary shaped depression.
  • the wings in particular their end area, are elastically deformable. This simplifies assembly even further.
  • the end sections can serve as spring-back holding areas for the light source carrier in order to hold it in a clamping fit in the insertion slot.
  • the adapter part and the light guide are made of plastic.
  • the adapter part can consist of a non-light-conducting plastic and the light guide can consist of a light-conducting, in particular transparent, plastic.
  • the contact area has an opening which is at least partially covered by the light guide at the front and the light guide has a light guide section projecting backwards through the opening for coupling in the light from the light source carrier.
  • the light guide has a light-guiding section that protrudes at the front. This advantageously makes it possible for the light guided by the light guide to be brought close to the operating element head in order to backlight a predetermined area there with high brightness.
  • the rearwardly protruding fiber optics section and the frontally protruding fiber optics section can in particular be collinear with one another.
  • the adapter part has a rearwardly projecting, elastically bendable locking area for locking the light source carrier in the insertion shaft at least with a positive fit. This can prevent the light source carrier from slipping out of the slot unintentionally.
  • the locking area can be designed as a latching hook or locking tab.
  • the adapter part in particular its support area, has at least one rib serving as a spacer.
  • the rib can represent at least part of the rear bearing surface.
  • An air gap between the light source carrier and the adapter part is also made possible in this way.
  • the air gap can be used to accommodate light sources and/or other electrical and/or electronic components.
  • the air gap can also serve to dissipate heat from the light source carrier through air convection.
  • the rear support surface can comprise an edge of the rib serving to support the light source carrier.
  • the adapter part has at least one rib for engaging in a recess of the light source carrier.
  • the at least one rib used for this purpose can be the same rib that also serves as a spacer.
  • the rib can have a stepped shape.
  • the adapter part has at least one projection serving as a rear delimitation of the slide-in slot.
  • This projection can advantageously serve as an insertion aid.
  • the projection can also serve to prevent the circuit board carrier from bending.
  • the operating element head can be internally illuminated by light that can be coupled out of the light guide.
  • the operating element head can have translucent windows, holes, etc., at least in certain areas.
  • the operating element head is a toggle switch and the adapter part has a shaft connected to the toggle switch.
  • a control element can also be referred to as a rotary knob or rotary knob.
  • the object is also achieved by a household appliance having at least one control element as discussed above, in particular a control panel with at least one control element as discussed above.
  • the household appliance can be analogous to the control element be trained and has the same advantages.
  • the adapter part can, for example, be attached to the control panel, possibly to an associated switch carrier.
  • the adapter part is attached to the rear of the control panel or to a technical support part assigned to the control panel, and the control element head is arranged on the front of the control panel.
  • the light guide can protrude through the control panel or can remain completely behind the control panel. In the case of an arrangement completely behind the control panel, the light guide can radiate light through a hole in the control panel onto the control element head or the like.
  • the control panel can be a front control panel.
  • Fig.1 shows a component of a control element 1 for a household appliance H, namely an adapter part 2, in an oblique view from behind.
  • Fig.2 shows the adapter part 2 in an oblique view from the front.
  • the adapter part 2 is constructed in several parts and is made of plastic.
  • the adapter part 2 is described below with reference to a typical installation position shown. However, the adapter part 2 and thus also the operating element 1 can have a different orientation in space.
  • the adapter part 2 has a rotatable shaft 3 which can be connected at the front to a control element head in the form of a rotary switch or rotary knob (not illustrated).
  • the rotatable shaft 3 can be connected at the rear to a rotation angle sensor or the like (not shown).
  • the adapter part 2 has a receiving or support area 4 with a plate-like basic shape.
  • Two ribs 5 and 6 that are stepped on the upper side protrude from the support area 4 at the rear.
  • a lobe-like projection 7 protrudes from a shaft housing.
  • Two side edges 28 also protrude from the support area 4 on the sides of the ribs 5 , 6 . These protrude in the rearward direction e.g. just as far as vertical sections 27 of steps of the ribs 5, 6.
  • an elastically bendable locking tab 10 extends from the support area 4 in the rearward direction. The locking tab 10 is located above the ribs 5, 6 and the opening 8.
  • Fig.3 shows a circuit board 11 of a light source carrier of the operating element 1 in the form of an LED circuit board 12 in a view obliquely from behind.
  • the circuit board 11 has a bottom slit 13 for engagement with a lower step of the rib 5 .
  • the printed circuit board 11 can be equipped with at least one LED and possibly with at least one associated electrical component (not illustrated).
  • Fig.4 shows a light guide 14 in a view obliquely from the front.
  • the light guide 14 is a transparent plastic part that can be produced, for example, as an injection molded part.
  • the light guide 14 has wings 15 extending to the left and right in a mirror-symmetrical manner. The wings 15 are bent twice backwards at their end sections 16 by 90°.
  • the light guide 14 also has a light guide section 17 protruding in the center at the front.
  • Fig.5 shows the light guide 14 in a view obliquely from behind.
  • a light-guiding section 18 goes backwards in the middle.
  • a pin 19 protrudes to the rear, which is provided for engagement with a respective fixing hole 9 .
  • Two further pin-shaped projections 20 protrude from the end sections 16 at the rear.
  • Fig.6 shows a light guide 21 in a view obliquely from the front.
  • the light guide 21 is a transparent plastic part that can be produced as an injection molded part.
  • the light guide 21 has wings 22 extending to the left and right in a mirror-symmetrical manner. The wings 22 are bent backwards twice at their end sections 23 by 90°.
  • the light guide 21 also has a light-guiding section 24 that protrudes centrally on the front side and has a different shape than the light-guiding section 17 .
  • Fig.7 shows the light guide 21 in a view obliquely from behind.
  • a light-guiding section 25 goes backwards in the middle.
  • a pin 19 projects rearward from each of the wings 22 and is provided for engagement with a respective fixing hole 9 . No pin-shaped projections protrude from the rear of the end sections 16 here.
  • Fig.8 shows the operating element 1 in an exploded view from diagonally behind.
  • the light guide 14 and the adapter part 2 are joined together so that together they form a slide-in slot 26 (see Fig.9 ) for the LED circuit board 12, as indicated by the wide arrows.
  • Fig.9 shows the assembled control element 1 in an oblique view from behind.
  • the light guide 14 and the adapter part 2 form a slot 26 into which the LED circuit board 12 has been pushed from above.
  • the front side of the LED circuit board 12 rests on vertical sections 27 of the steps of the ribs 5 and 6 and on the side edges 28 protruding from the support area 4 at the rear.
  • the lower-lying step sections of the ribs 5, 6 also support the LED circuit board 12 downwards.
  • the ribs 5 and 6 and the side edges 28 thus provide a rear support surface 5, 6, 28 for supporting the LED circuit board 12.
  • the end sections 16 are bent backwards in such a way that they encompass the support area 4 in such a way that the insertion shaft 26 is formed by means of a gap between the support area 4 or the support surface 5 , 6 , 28 and the end sections 16 .
  • the ribs 5, 6 also serve as spacers for the support area 4 relative to the LED circuit board 12 because of their gradation.
  • the rib 5 engages in the slot 13 of the LED circuit board 12 in order to prevent lateral displacement.
  • the protrusion 7 serves as a touch guard or barrier in the event that the LED board 12 and light guide 14 are not installed.
  • the projection 7 can also be omitted.
  • the locking tab 10 is provided for at least positive locking of the LED circuit board 12 in the slide-in slot 26 .
  • the locking tab 10 is pushed in again when mounting on a technical support part (e.g. a panel support). This reduces the spring deflection during assembly and allows additional coverage in the final assembled state.
  • the rear side of the light guide 14 rests on the front side of the recess 29 of the support area 4 , its position being fixed by the pins 19 engaging in the holes 9 .
  • the light guide 14 covers the opening 8 at the front in such a way that the rear light-guiding section 18 protrudes through the opening 8 in the direction of the LED circuit board 12 .
  • Light emitted forwards by the LEDs of the LED circuit board 12 is coupled into the rear fiber-optics section 18 at the front and is coupled out again from the front-side fiber-optics section 17 at the front. The light passes through the opening 8 within the light guide 14.
  • the decoupled light can, for example, illuminate an inside of the rotary knob so that it can be illuminated from the inside or backlit.
  • the light guide 21 can be used.
  • the light guide 14 is used to illuminate a rotary knob used to set the temperature
  • the light guide 21 can be used, for example, to illuminate a rotary knob used to set the function.
  • only the appropriate light guide needs to be selected, while the adapter part 2 and the LED circuit board 12, for example, can remain the same.
  • a numerical specification can also include exactly the specified number as well as a usual tolerance range, as long as this is not explicitly excluded.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (10)

  1. Élément de commande (1) destiné à un appareil électroménager (H), qui présente un élément (2) faisant office d'adaptateur à des fins de raccordement d'une tête de l'élément de commande et qui présente un conducteur de lumière (14 ; 21) caractérisé en ce que :
    - l'élément (2) faisant office d'adaptateur et le conducteur de lumière (14 ; 21) sont reliés l'un à l'autre et forment ensemble un canal d'insertion (26) destiné à un support de source de lumière (12) ;
    - l'élément (2) faisant office d'adaptateur présente une zone d'appui (4) qui comprend une surface d'appui (5, 6, 28), sur son côté arrière, pour que vienne s'y appuyer le support de source de lumière (12) ;
    - le conducteur de lumière (14 ; 21) présente des ailes (15 ; 22) qui viennent s'appuyer contre le côté avant d'une surface d'appui (29) de la zone d'appui (4), de ladite surface ;
    - les ailes (15 ; 22) sont cintrées, sur leur côté arrière, à l'endroit de leurs tronçons terminaux (16 ; 23) d'une manière telle qu'elles viennent enserrer la zone d'appui (4) de telle façon
    - que l'on obtient le canal d'insertion (26) au moyen d'une fente ménagée entre la zone d'appui (4) et les tronçons terminaux (16 ; 23).
  2. Élément de commande (1) selon la revendication 1, caractérisé en ce que :
    - la zone d'appui (4) présente un passage (8) qui est recouvert, du côté avant, par le conducteur de lumière (14 ; 21) ;
    - le conducteur de lumière (14 ; 21) présente un tronçon de conducteur de lumière (18 ; 25) qui fait saillie dans une direction allant vers l'arrière, à travers le passage (8), à des fins de couplage de la lumière du support de source de lumière (12) ; et
    - le conducteur de lumière (14 ; 21) présente un tronçon de conducteur de lumière (17 ; 24) qui fait saillie sur le côté avant.
  3. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (2) faisant office d'adaptateur présente une zone de verrouillage (10) qui fait saillie sur le côté arrière, apte à fléchir de manière résiliente, à des fins de verrouillage du support de source de lumière (12) au moins par complémentarité de forme dans le canal d'insertion.
  4. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (2) faisant office d'adaptateur présente au moins une nervure (5, 6) qui fait office de dispositif qui maintient la distance par rapport au support de source de lumière (12).
  5. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (2) faisant office d'adaptateur présente au moins une nervure (5) qui est destinée à venir s'engrener dans un évidement (13) du support de source de lumière (12).
  6. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (2) faisant office d'adaptateur présente au moins une saillie qui fait office de délimitation, sur le côté arrière, du canal d'insertion (26).
  7. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le conducteur de lumière (14 ; 21) est configuré pour éclairer, depuis l'intérieur, la tête de l'élément de commande par l'intermédiaire d'une lumière qui est capable de se découpler par rapport au conducteur de lumière (14 ; 21)
  8. Élément de commande (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (2) faisant office d'adaptateur présente un arbre (3) qui est réalisé pour pouvoir être relié à une tête de l'élément de commande sous la forme d'un garrot d'interrupteur.
  9. Appareil électroménager (H) qui présente un panneau de commande qui comprend au moins un élément de commande (1) selon l'une quelconque des revendications précédentes.
  10. Appareil électroménager (H) selon la revendication 9, caractérisé en ce que l'appareil électroménager (H) présente une tête d'élément de commande et l'élément (2) faisant office d'adaptateur est appliqué sur le côté arrière du panneau de commande et la tête de l'élément de commande est disposée contre le panneau de commande, sur le côté avant de ce dernier.
EP17203487.8A 2016-12-12 2017-11-24 Élément de commande pour un appareil ménager Active EP3333869B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016224740.9A DE102016224740A1 (de) 2016-12-12 2016-12-12 Bedienelement für ein Haushaltsgerät

Publications (2)

Publication Number Publication Date
EP3333869A1 EP3333869A1 (fr) 2018-06-13
EP3333869B1 true EP3333869B1 (fr) 2022-10-19

Family

ID=60484143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17203487.8A Active EP3333869B1 (fr) 2016-12-12 2017-11-24 Élément de commande pour un appareil ménager

Country Status (3)

Country Link
EP (1) EP3333869B1 (fr)
DE (1) DE102016224740A1 (fr)
PL (1) PL3333869T3 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015814A1 (de) * 2005-04-06 2006-10-12 Siemens Ag Österreich Formteil als optischer Lichtleiter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19712294C2 (de) * 1997-03-24 1999-08-12 Preh Elektro Feinmechanik Drehwiderstand
JP3649637B2 (ja) * 2000-02-10 2005-05-18 アルプス電気株式会社 電子機器の照光構造
DE20010428U1 (de) * 2000-06-09 2000-08-17 Mannesmann Vdo Ag Anordnung zur Beleuchtung des Stellknopfes eines Eingabeaggregates mittels Durchlicht
DE102008061943B3 (de) * 2008-12-12 2009-12-10 Preh Gmbh Bedienelement für Kraftfahrzeug
AU2011351714B2 (en) 2010-12-30 2015-11-12 Arcelik Anonim Sirketi Illuminated knob for household appliance
JP5789539B2 (ja) * 2012-02-15 2015-10-07 バイエリッシェ モートーレン ウエルケ アクチエンゲゼルシャフトＢａｙｅｒｉｓｃｈｅ Ｍｏｔｏｒｅｎ Ｗｅｒｋｅ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ 車載用レバースイッチ装置
DE102012204223A1 (de) 2012-03-16 2013-09-19 BSH Bosch und Siemens Hausgeräte GmbH Bedienelement für ein Haushaltsgerät sowie Bedienvorrichtung mit zumindest einem derartigen Bedienelement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015814A1 (de) * 2005-04-06 2006-10-12 Siemens Ag Österreich Formteil als optischer Lichtleiter

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Publication number Publication date
PL3333869T3 (pl) 2023-01-09
EP3333869A1 (fr) 2018-06-13
DE102016224740A1 (de) 2018-06-14

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