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WO2007096037A1 - Control element - Google Patents

Control element Download PDF

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Publication number
WO2007096037A1
WO2007096037A1 PCT/EP2007/000613 EP2007000613W WO2007096037A1 WO 2007096037 A1 WO2007096037 A1 WO 2007096037A1 EP 2007000613 W EP2007000613 W EP 2007000613W WO 2007096037 A1 WO2007096037 A1 WO 2007096037A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating element
discs
element according
frame
character
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.)
Ceased
Application number
PCT/EP2007/000613
Other languages
German (de)
French (fr)
Inventor
Haiko Glienicke
Gerold Eckert
Martin Vorndran
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.)
Preh GmbH
Original Assignee
Preh 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 Preh GmbH filed Critical Preh GmbH
Priority to EP07711383A priority Critical patent/EP1994539B1/en
Publication of WO2007096037A1 publication Critical patent/WO2007096037A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/03—Printed information in transparent keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/066—Lens

Definitions

  • the invention relates to an operating element according to the preamble of claim 1.
  • Such controls are used for example in vehicles to control electrical and / or electronic components.
  • An example is the use and the use of a control element according to the invention as a start-stop button in a motor vehicle.
  • These controls are intended to develop a special visual effect and this act noble. Furthermore, they should be clearly visible both during the day and at night.
  • DE 103 39 842 A1 describes a control button with fine symbolism, in which a symbol in a metal support plate is inserted.
  • the symbol is engraved in one of the visible side opposite surface of the support plate, this surface covered with a film and then the visible side ground until the engraving is at least partially exposed. Finally, the visible side is provided with a protective layer.
  • This control button is complex to produce, with materials other than metal are not useful.
  • an operating and / or display device in which a translucent plastic body is associated with a pictogram.
  • the pictogram is generated by material conversion by means of laser radiation between the surfaces of the plastic body. This can be illuminated from a point invisible to the viewer.
  • This operating and / or display device emits little stray light and is therefore difficult to identify at night. Even during the day, the distinctive character of the symbol is unsatisfactory because of low contrasts.
  • the object of the invention is to provide a control for motor vehicles, on the one hand both day and night ensures good visibility and on the other hand acts noble.
  • the object is solved by the features of claim 1. Characterized in that the character within the frame in or below an inner, facing away from the viewer surface of the body, the character can be represented with high contrast and with a strong depth effect.
  • the formation of the body as a one-sided convex lens causes an enlargement of the sign and thus a better recognizability. Furthermore, due to the curvature to the outside, the feel is improved, on the one hand the position and the dimensions are palpable and on the other hand, the optimal pressure point is easy to find.
  • the arrangement of at least two translucent panes between the light source and the body enhances the depth effect and also allows the creation of a high contrast, so that the character is easy and easy to recognize even from different views.
  • the body-facing outer one of the discs When the body-facing outer one of the discs is formed as a carrier, the body and the discs can be easily fixed in the frame without additional parts.
  • Plastic discs are easy to work on and color. They are relatively easy.
  • the mark is incorporated into one of the disks, for example by milling or already during injection molding. The deeper the training, the greater the spatial effect of the sign.
  • the printing of the sign on a film is particularly simple and inexpensive and represents an alternative embodiment of the invention.
  • the body When the body is made of glass, its surface is largely insensitive to, for example, scratches. As a result, the sign remains permanently visible. Furthermore, the feel of glass is more pleasant.
  • optical connection means in the form of, for example, the calculation index-matched gel or adhesive arranged. This eliminates interfering reflections at the interfaces. Furthermore, so the body and the discs can be preassembled into a package and then easily inserted into the frame, so that it is easy to assemble.
  • FIG. 1 shows a longitudinal section (parallel to a side view) of a control element in a first embodiment
  • FIG. 2 shows a longitudinal section of an operating element in a second embodiment
  • FIG. 3 shows a longitudinal section of an operating element in a third embodiment
  • FIG. 4 shows a longitudinal section of an operating element in a fourth embodiment.
  • an operating element 1 is arranged above and / or on a printed circuit board 2.
  • the operating element 1 comprises a housing, not shown, in which a frame 3 is guided displaceably perpendicular to the printed circuit board 2.
  • the frame 3 is substantially tubular made of plastic or metal and has a cross-section in plan view (transverse to the plane of the drawing).
  • an extension pointing into the annulus is formed; that is, here on the inside of a - as seen from below - first stage 10 is formed.
  • the upper end of the frame is semi-circular rounded in longitudinal section.
  • a recess 11 is inserted so that it forms a second stage in the lower quarter of the frame 3.
  • a body 4 and three slices 5, 6, 7 are arranged in layers so that all fit snugly in the frame 3.
  • the body 4 and the discs 5, 6, 7 are translucent.
  • the body 4 is made of glass as a one-sided convex lens, wherein the curved surface faces outwards, that is, in the figure 1 upwards.
  • the three discs 5, 6, 7 are successively inserted into the frame. They are all made of a clear, transparent or translucent plastic, such as a polycarbonate.
  • a character 8 is as deep as possible, but without being continuous, incorporated in a downwardly facing surface. This incorporation takes place, for example, with the spraying of the uppermost disk 5, by laser or by milling.
  • the flanks of the incorporated character 8 are coated with dye; Alternatively, the character 8 is filled with dye or an opaque plastic.
  • a middle of the discs 6 is colorless or crystal clear or translucent. It is thicker than the uppermost disc 5 and enhances the three-dimensional effect of the character 8, so that the character 8 appears to float freely in a plan view of the operating element 1.
  • a bottommost of the discs 7 is translucently colored so that the color is in contrast to the color of the character 8.
  • the lowermost disc 7 is constructed in two layers with a colored layer that homogenizes the light.
  • annular extension 9 is formed at its lower periphery so that it can serve as a carrier.
  • the extension 9 is slightly conical and in this case directed slightly obliquely outwards. It is provided with at least two indentations, not shown, which extends from below to near the bottom disc 7.
  • the extension 9 and the recess 11 have approximately the same height.
  • the convex surface of the body 4 is supported against the first stage 10 and a lower end of the extension 9 against the second stage; the discs 5, 6, 7 are mounted snugly between them.
  • the lower end of the extension 9 is seated with bias in the recess 11, so that overall a secure hold of the body 4 and the discs 5, 6, 7 is ensured in the frame 3.
  • the discs 5, 6, 7 and the body 4 are optically connected to each other adjacent surfaces by an adhesive adapted to the refractive index.
  • a light source 12 here an LED, mounted so that it is located centrally below the frame 3.
  • the wavelength of the light emitted by the light source 12, the backlighting color can be selected taking into account the spectral transmission of the lowermost disk 7.
  • at least one control element 1 associated switching means (not shown), which is also not shown actuating means which are connected to the frame 3, operable.
  • the light source 12 is disposed laterally of the frame 3, which is then formed translucent, at least at this point.
  • body 4 is made of glass or of a transparent or translucent plastic.
  • the frame 3 of the control knob 1 is made of plastic, preferably an opaque plastic.
  • a second embodiment of Figure 2 differs from the first by the following:
  • the uppermost pane 5 is designed as a clear film 13, which is printed on one or both sides with the symbol 8.
  • the printed film is overmolded or inserted with undyed clear plastic, the material thickness being considerably thicker on the lower side.
  • the structure of this embodiment is simpler overall and the frame 3 is lower.
  • the spatial effect of the character 8 is less than in the first embodiment.
  • a third embodiment of Figure 3 differs from the first by the following:
  • the character 8 is deeply incorporated. This incorporation is carried out, for example, by spraying the body 4 or by milling.
  • the edges of the incorporated character 8 are coated with dye, alternatively, the character 8 is filled with dye or an opaque plastic.
  • a fourth embodiment of Figure 4 differs from the first by the following:
  • the incorporated in the top plate 5 character 8 is filled with colored transparent plastic.
  • the middle disc 6 is formed as a clear, colorless film which is printed on the top so with black color that the character 8 remains congruent with the top disc 5 free of the color.
  • a UV light emitting light source 12 can alternatively be used.
  • PMMA polymethylmethacrylate
  • the dye used for the character 8 is in this case mixed with fluorescent pigments, which light up correspondingly upon irradiation with the UV light.
  • the light source 12 may be located directly below the mark. This alternative makes it possible to display a light sign 8 on a dark background at night.

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

In order that a symbol in a control element appears to be three-dimensional for a viewer, the symbol is arranged within a frame in or under an inner surface, which is remote from the viewer, of a transparent body.

Description

B E S C H R E I B U N G DESCRIPTION

Bedienelementoperating element

Die Erfindung betrifft ein Bedienelement gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an operating element according to the preamble of claim 1.

Solche Bedienelemente sind zum Beispiel in Fahrzeugen eingesetzt, um elektrische und/oder elektronische Bauteile anzusteuern. Ein Beispiel ist die Verwendung und der Einsatz eines erfindungsgemäßen Bedienelementes als Start-Stopp-Knopf in einem Kraftfahrzeug. Diese Bedienelemente sollen eine besondere optische Wirkung entfalten und hierbei edel wirken. Weiterhin sollen sie sowohl bei Tag als auch bei Nacht deutlich erkennbar sein.Such controls are used for example in vehicles to control electrical and / or electronic components. An example is the use and the use of a control element according to the invention as a start-stop button in a motor vehicle. These controls are intended to develop a special visual effect and this act noble. Furthermore, they should be clearly visible both during the day and at night.

Die DE 103 39 842 A1 beschreibt eine Bedientaste mit Feinsymbolik, bei der in eine Trägerplatte aus Metall ein Symbol eingelassen ist. Hierbei wird das Symbol in eine der Sichtseite gegenüber liegenden Fläche der Trägerplatte graviert, diese Fläche mit einer Folie belegt und anschließend die Sichtseite so weit abgeschliffen, bis die Gravur zumindest teilweise freigelegt ist. Schließlich wird die Sichtseite mit einer Schutzschicht versehen. Diese Bedientaste ist aufwändig herzustellen, wobei andere Materialien als Metall nicht sinnvoll einsetzbar sind.DE 103 39 842 A1 describes a control button with fine symbolism, in which a symbol in a metal support plate is inserted. Here, the symbol is engraved in one of the visible side opposite surface of the support plate, this surface covered with a film and then the visible side ground until the engraving is at least partially exposed. Finally, the visible side is provided with a protective layer. This control button is complex to produce, with materials other than metal are not useful.

Aus der DE 199 43 840 B4 ist eine Bedien- und/oder Anzeigeeinrichtung bekannt, bei der einem lichtdurchlässigen Kunststoffkörper ein Piktogramm zugeordnet ist. Das Piktogramm ist durch Materialumwandlung mittels Laserstrahlung zwischen den Oberflächen des Kunststoffkörpers erzeugt. Dieser ist von einer für den Betrachter unsichtbaren Stelle her beleuchtbar. Diese Bedien- und/oder Anzeigeeinrichtung emittiert wenig Streulicht und ist daher in der Nacht nur schlecht zu identifizieren. Auch am Tag ist die Unterscheidungskraft des Symbols wegen geringer Kontraste unbefriedigend. Aufgabe der Erfindung ist es, ein Bedienelement für Kraftfahrzeuge zu schaffen, das einerseits sowohl tags als auch nachts eine gute Erkennbarkeit gewährleistet und andererseits edel wirkt.From DE 199 43 840 B4 an operating and / or display device is known, in which a translucent plastic body is associated with a pictogram. The pictogram is generated by material conversion by means of laser radiation between the surfaces of the plastic body. This can be illuminated from a point invisible to the viewer. This operating and / or display device emits little stray light and is therefore difficult to identify at night. Even during the day, the distinctive character of the symbol is unsatisfactory because of low contrasts. The object of the invention is to provide a control for motor vehicles, on the one hand both day and night ensures good visibility and on the other hand acts noble.

Die Aufgabe ist durch die Merkmale des Anspruchs 1 gelöst. Dadurch dass das Zeichen innerhalb des Rahmens in oder unter einer inneren, vom Betrachter abgewandten Oberfläche des Körpers angeordnet ist, lässt sich das Zeichen mit hohem Kontrast und mit einer starken Tiefenwirkung darstellen.The object is solved by the features of claim 1. Characterized in that the character within the frame in or below an inner, facing away from the viewer surface of the body, the character can be represented with high contrast and with a strong depth effect.

Als Zeichen ist für diese Offenbarung ein Symbol, ein Piktogramm, eine Grafik, ein oder mehrere Wörter und/oder jede sonstige, einer bestimmten Funktion zuzuordnende Darstellung definiert.As a sign for this disclosure, a symbol, a pictogram, a graphic, one or more words and / or any other, to be assigned to a specific function representation defined.

Die Unteransprüche betreffen die vorteilhafte Ausgestaltung der Erfindung.The subclaims relate to the advantageous embodiment of the invention.

Die Ausbildung des Körpers als einseitig konvexe Linse bewirkt eine Vergrößerung des Zeichens und damit eine bessere Erkennbarkeit. Weiterhin ist aufgrund der Wölbung nach außen die Haptik verbessert, wobei einerseits die Lage und die Abmaße ertastbar sind und andererseits der optimale Druckpunkt leicht auffindbar ist.The formation of the body as a one-sided convex lens causes an enlargement of the sign and thus a better recognizability. Furthermore, due to the curvature to the outside, the feel is improved, on the one hand the position and the dimensions are palpable and on the other hand, the optimal pressure point is easy to find.

Die Anordnung mindestens zweier lichtdurchlässiger Scheiben zwischen der Lichtquelle und dem Körper bewirkt eine Verstärkung der Tiefenwirkung und ermöglicht darüber hinaus die Erzeugung eines hohen Kontrasts, so dass das Zeichen auch aus verschiedenen Ansichten leicht und gut erkennbar ist.The arrangement of at least two translucent panes between the light source and the body enhances the depth effect and also allows the creation of a high contrast, so that the character is easy and easy to recognize even from different views.

Wenn die dem Körper gegenüberliegende äußere der Scheiben als Träger ausgebildet ist, können der Körper und die Scheiben auf einfache Weise ohne zusätzliche Teile in dem Rahmen befestigt werden.When the body-facing outer one of the discs is formed as a carrier, the body and the discs can be easily fixed in the frame without additional parts.

Scheiben aus Kunststoff lassen sich einfach bearbeiten und einfärben. Sie sind relativ leicht. Vorzugsweise wird das Zeichen in eine der Scheiben eingearbeitet, zum Beispiel durch Fräsen oder bereits beim Spritzguss. Je tiefer die Einarbeitung erfolgt, desto größer ist die räumliche Wirkung des Zeichens. Das Drucken des Zeichens auf eine Folie ist besonders einfach und preiswert und stellt eine alternative Ausführungsform der Erfindung dar.Plastic discs are easy to work on and color. They are relatively easy. Preferably, the mark is incorporated into one of the disks, for example by milling or already during injection molding. The deeper the training, the greater the spatial effect of the sign. The printing of the sign on a film is particularly simple and inexpensive and represents an alternative embodiment of the invention.

Wenn der Körper aus Glas gefertigt ist, ist seine Oberfläche weitgehend unempfindlich gegen zum Beispiel Kratzer. Hierdurch bleibt das Zeichen dauerhaft klar erkennbar. Weiterhin ist die Haptik von Glas angenehmer.When the body is made of glass, its surface is largely insensitive to, for example, scratches. As a result, the sign remains permanently visible. Furthermore, the feel of glass is more pleasant.

In einer bevorzugten Ausführung sind jeweils zwischen zwei aneinander angrenzenden Flächen des Körpers und aller Scheiben optische Verbindungsmittel in Form von zum Beispiel an den Berechungsindex- angepasstem Gel oder Kleber angeordnet. Hierdurch werden störende Reflexionen an den Grenzflächen eliminiert. Weiterhin können so der Körper und die Scheiben zu einem Paket vormontiert und danach einfacher in den Rahmen eingefügt werden, so dass für ein leichtes montieren gesorgt ist.In a preferred embodiment, in each case between two adjoining surfaces of the body and all discs optical connection means in the form of, for example, the calculation index-matched gel or adhesive arranged. This eliminates interfering reflections at the interfaces. Furthermore, so the body and the discs can be preassembled into a package and then easily inserted into the frame, so that it is easy to assemble.

Die Erfindung wird anhand der in der Zeichnung vereinfacht dargestellten Beispiele weiter erläutert. Es zeigenThe invention will be further explained with reference to the simplified examples shown in the drawing. Show it

Figur 1 einen Längsschnitt (parallel zu einer Seitenansicht) eines Bedienelements in einer ersten Ausführungsform,1 shows a longitudinal section (parallel to a side view) of a control element in a first embodiment,

Figur 2 einen Längsschnitt eines Bedienelements in einer zweiten Ausführungsform,FIG. 2 shows a longitudinal section of an operating element in a second embodiment,

Figur 3 einen Längsschnitt eines Bedienelements in einer dritten Ausführungsform und3 shows a longitudinal section of an operating element in a third embodiment and

Figur 4 einen Längsschnitt eines Bedienelements in einer vierten Ausführungsform.4 shows a longitudinal section of an operating element in a fourth embodiment.

In einem ersten Ausführungsbeispiel nach Figur 1 ist ein Bedienelement 1 über und/oder auf einer Leiterplatte 2 angeordnet. Das Bedienelement 1 umfasst ein nicht dargestelltes Gehäuse, in dem ein Rahmen 3 senkrecht zu der Leiterplatte 2 verschiebbar geführt ist. Der Rahmen 3 ist im Wesentlichen rohrförmig aus Kunststoff oder Metall gefertigt und hat hier einen in der Draufsicht (quer zur Zeichnungsebene) kreisringförmigen Querschnitt. An einem oberen Ende des Rahmens 3 ist ein in den Kreisring weisender Fortsatz geformt; das heißt, dass hier an der Innenseite eine - von unten gesehen vorstehende - erste Stufe 10 gebildet ist. Das obere Ende des Rahmens ist im Längsschnitt halbreisförmig gerundet. An der Innenseite einer unteren Hälfte des Rahmens 3 ist eine Aussparung 11 so eingelassen, dass diese im unteren Viertel des Rahmens 3 eine zweite Stufe bildet.In a first exemplary embodiment according to FIG. 1, an operating element 1 is arranged above and / or on a printed circuit board 2. The operating element 1 comprises a housing, not shown, in which a frame 3 is guided displaceably perpendicular to the printed circuit board 2. The frame 3 is substantially tubular made of plastic or metal and has a cross-section in plan view (transverse to the plane of the drawing). At an upper end of the frame 3, an extension pointing into the annulus is formed; that is, here on the inside of a - as seen from below - first stage 10 is formed. The upper end of the frame is semi-circular rounded in longitudinal section. On the inside of a lower half of the frame 3, a recess 11 is inserted so that it forms a second stage in the lower quarter of the frame 3.

In dem Rahmen 3 sind schichtweise ein Körper 4 und drei Scheiben 5, 6, 7 so angeordnet, dass alle passgenau in dem Rahmen 3 sitzen. Der Körper 4 und die Scheiben 5, 6, 7 sind lichtdurchlässig.In the frame 3, a body 4 and three slices 5, 6, 7 are arranged in layers so that all fit snugly in the frame 3. The body 4 and the discs 5, 6, 7 are translucent.

Der Körper 4 ist aus Glas als einseitig konvexe Linse gefertigt, wobei deren gekrümmte Fläche nach außen, das heißt in der Figur 1 nach oben weist.The body 4 is made of glass as a one-sided convex lens, wherein the curved surface faces outwards, that is, in the figure 1 upwards.

Unter dem Körper 4 sind nacheinander die drei Scheiben 5, 6, 7 in den Rahmen eingesetzt. Sie sind alle aus einem klaren, transparenten oder transluzenten Kunststoff gefertigt, wie zum Beispiel einem Polycarbonat. In eine oberste der Scheiben 5 ist ein Zeichen 8 so tief gehend wie möglich, aber ohne durchgehend zu sein, in eine nach unten weisende Fläche eingearbeitet. Diese Einarbeitung erfolgt zum Beispiel mit dem Spritzen der obersten Scheibe 5, durch Lasern oder durch Fräsen. Die Flanken des eingearbeiteten Zeichens 8 sind mit Farbstoff beschichtet; alternativ ist das Zeichen 8 mit Farbstoff oder einem opaken Kunststoff verfüllt.Under the body 4, the three discs 5, 6, 7 are successively inserted into the frame. They are all made of a clear, transparent or translucent plastic, such as a polycarbonate. In a topmost of the discs 5, a character 8 is as deep as possible, but without being continuous, incorporated in a downwardly facing surface. This incorporation takes place, for example, with the spraying of the uppermost disk 5, by laser or by milling. The flanks of the incorporated character 8 are coated with dye; Alternatively, the character 8 is filled with dye or an opaque plastic.

Eine mittlere der Scheiben 6 ist farblos oder glasklar transparent oder transluzent ausgeführt. Sie ist dicker als die oberste Scheibe 5 und verstärkt den dreidimensionalen Effekt des Zeichens 8, so dass das Zeichen 8 bei einer Draufsicht auf das Bedienelement 1 frei schwebend erscheint.A middle of the discs 6 is colorless or crystal clear or translucent. It is thicker than the uppermost disc 5 and enhances the three-dimensional effect of the character 8, so that the character 8 appears to float freely in a plan view of the operating element 1.

Eine unterste der Scheiben 7 ist lichtdurchlässig so eingefärbt, dass die Farbe in Kontrast zu der Farbe des Zeichens 8 steht. Alternativ ist die unterste Scheibe 7 zweischichtig mit einer eingefärbten und das Licht homogenisierenden Schicht aufgebaut. Einstückig mit der untersten Scheibe 7 ist an ihrem unteren Umfang ein ringförmiger Fortsatz 9 ausgebildet, damit sie als Träger dienen kann. Der Fortsatz 9 ist schwach konisch und hierbei leicht schräg nach außen gerichtet. Er ist mit mindestens zwei nicht dargestellten Einkerbungen versehen, die sich von unten bis in die Nähe der untersten Scheibe 7 erstreckt. Der Fortsatz 9 und die Aussparung 11 weisen in etwa dieselbe Höhe auf. In zusammengebautem Zustand des Bedienelements 1 ist die konvexe Fläche des Körpers 4 gegen die erste Stufe 10 und ein unteres Ende des Fortsatzes 9 gegen die zweite Stufe abgestützt; die Scheiben 5, 6, 7 sind passgenau dazwischen befestigt. Das bedeutet, dass der Abstand der Stufen genau der Summe der peripheren Höhen des Körpers, der Scheiben 5, 6, 7 und des Fortsatzes 9 entspricht. Das untere Ende des Fortsatzes 9 sitzt mit Vorspannung in der Aussparung 11 , so dass insgesamt ein sicherer Halt des Körpers 4 und der Scheiben 5, 6, 7 in dem Rahmen 3 gewährleistet ist.A bottommost of the discs 7 is translucently colored so that the color is in contrast to the color of the character 8. Alternatively, the lowermost disc 7 is constructed in two layers with a colored layer that homogenizes the light. Integral with the lowermost disc 7, an annular extension 9 is formed at its lower periphery so that it can serve as a carrier. The extension 9 is slightly conical and in this case directed slightly obliquely outwards. It is provided with at least two indentations, not shown, which extends from below to near the bottom disc 7. The extension 9 and the recess 11 have approximately the same height. In the assembled state of the operating element 1, the convex surface of the body 4 is supported against the first stage 10 and a lower end of the extension 9 against the second stage; the discs 5, 6, 7 are mounted snugly between them. This means that the spacing of the steps corresponds exactly to the sum of the peripheral heights of the body, the discs 5, 6, 7 and the extension 9. The lower end of the extension 9 is seated with bias in the recess 11, so that overall a secure hold of the body 4 and the discs 5, 6, 7 is ensured in the frame 3.

Die Scheiben 5, 6, 7 und der Körper 4 sind an jeweils aneinander angrenzenden Flächen durch einen an den Brechungsindex angepassten Kleber miteinander optisch verbunden.The discs 5, 6, 7 and the body 4 are optically connected to each other adjacent surfaces by an adhesive adapted to the refractive index.

Auf der Leiterplatte 2 ist eine Lichtquelle 12, hier eine LED, so befestigt, dass sie sich zentrisch unterhalb des Rahmens 3 befindet. Die von der Lichtquelle 12 emittierte Wellenlänge des Lichts, die Hinterleuchtungsfarbe, ist unter Berücksichtigung der spektralen Transmission der untersten Scheibe 7 wählbar. Weiterhin ist auf der Leiterplatte 2 mindestens ein dem Bedienelement 1 zugeordnetes Schaltmittel (nicht dargestellt), das über ebenfalls nicht dargestellte Betätigungsmittel, die mit dem Rahmen 3 verbunden sind, bedienbar ist. Alternativ ist die Lichtquelle 12 seitlich von dem Rahmen 3 angeordnet, wobei diese dann zumindest an dieser Stelle lichtdurchlässig ausgebildet ist.On the circuit board 2, a light source 12, here an LED, mounted so that it is located centrally below the frame 3. The wavelength of the light emitted by the light source 12, the backlighting color, can be selected taking into account the spectral transmission of the lowermost disk 7. Furthermore, on the circuit board 2 at least one control element 1 associated switching means (not shown), which is also not shown actuating means which are connected to the frame 3, operable. Alternatively, the light source 12 is disposed laterally of the frame 3, which is then formed translucent, at least at this point.

In allen Ausführungsformen ist Körper 4 aus Glas oder aus einem transparenten oder transluzenten Kunststoff gefertigt. Der Rahmen 3 des Bedienknopfes 1 ist aus Kunststoff vorzugsweise einem opaken Kunststoff gefertigt.In all embodiments, body 4 is made of glass or of a transparent or translucent plastic. The frame 3 of the control knob 1 is made of plastic, preferably an opaque plastic.

Ein zweites Ausführungsbeispiel nach Figur 2 unterscheidet sich von dem ersten durch Folgendes:A second embodiment of Figure 2 differs from the first by the following:

Es sind nur zwei Scheiben 5, 7 angeordnet, wobei die unterste Scheibe 7 mit der ersten Ausführungsform identisch ist.There are only two discs 5, 7 are arranged, wherein the lowermost disc 7 is identical to the first embodiment.

Die oberste Scheibe 5" ist als klare Folie 13 ausgebildet, die ein- oder beidseitig mit dem Zeichen 8 bedruckt ist. Die bedruckte Folie ist mit ungefärbtem klaren Kunststoff umspritzt oder eingelegt, wobei die Materialstärke auf der unteren Seite wesentlich dicker ausgeführt ist. Der Aufbau dieser Ausführungsform ist insgesamt einfacher und der Rahmen 3 baut niedriger. Die räumliche Wirkung des Zeichens 8 ist geringer als im ersten Ausführungsbeispiel.The uppermost pane 5 "is designed as a clear film 13, which is printed on one or both sides with the symbol 8. The printed film is overmolded or inserted with undyed clear plastic, the material thickness being considerably thicker on the lower side. The structure of this embodiment is simpler overall and the frame 3 is lower. The spatial effect of the character 8 is less than in the first embodiment.

Ein drittes Ausführungsbeispiel nach Figur 3 unterscheidet sich von dem ersten durch Folgendes:A third embodiment of Figure 3 differs from the first by the following:

Es sind nur zwei Scheiben 6, 7 angeordnet, wobei die mittlere und die unterste Scheibe 7 mit der ersten Ausführungsform identisch sind. Das heißt, es fehlt die oberste Scheibe.There are only two discs 6, 7 are arranged, with the middle and the lowest disc 7 are identical to the first embodiment. That is, the top disc is missing.

In die untere Fläche des Körpers 4 ist das Zeichen 8 tief eingearbeitet. Diese Einarbeitung erfolgt zum Beispiel mit dem Spritzen des Körpers 4 oder durch Fräsen. Die Flanken des einge- arbeiteten Zeichens 8 sind mit Farbstoff beschichtet, alternativ ist das Zeichen 8 mit Farbstoff oder einem opaken Kunststoff verfüllt.In the lower surface of the body 4, the character 8 is deeply incorporated. This incorporation is carried out, for example, by spraying the body 4 or by milling. The edges of the incorporated character 8 are coated with dye, alternatively, the character 8 is filled with dye or an opaque plastic.

Ein viertes Ausführungsbeispiel nach Figur 4 unterscheidet sich von dem ersten durch Folgendes:A fourth embodiment of Figure 4 differs from the first by the following:

Das in die oberste Scheibe 5 eingearbeitete Zeichen 8 ist mit eingefärbtem transparentem Kunststoff verfüllt.The incorporated in the top plate 5 character 8 is filled with colored transparent plastic.

Die mittlere Scheibe 6" ist als klare, farblose Folie ausgebildet, die auf der Oberseite so mit schwarzer Farbe bedruckt ist, dass das Zeichen 8 deckungsgleich mit der obersten Scheibe 5 frei von der Farbe bleibt.The middle disc 6 "is formed as a clear, colorless film which is printed on the top so with black color that the character 8 remains congruent with the top disc 5 free of the color.

Für alle bisher beschriebenen Beispiele ist alternativ eine UV-Licht abstrahlende Lichtquelle 12 einsetzbar. Die Scheiben 5, 6, 7 sind dann aus UV-Licht durchlässigem Acrylglas (PMMA = Polymethylmethacrylat) gefertigt. Der für das Zeichen 8 verwendete Farbstoff ist hierbei mit floureszierenden Pigmenten versetzt, die bei Bestrahlung mit dem UV-Licht entsprechend aufleuchten. Die Lichtquelle 12 kann direkt unter dem Zeichen angeordnet sein. Diese Alternative erlaubt es bei Nacht, ein helles Zeichen 8 auf dunklem Grund darzustellen.For all the examples described so far, a UV light emitting light source 12 can alternatively be used. The discs 5, 6, 7 are then made of UV light-permeable acrylic glass (PMMA = polymethylmethacrylate). The dye used for the character 8 is in this case mixed with fluorescent pigments, which light up correspondingly upon irradiation with the UV light. The light source 12 may be located directly below the mark. This alternative makes it possible to display a light sign 8 on a dark background at night.

Bei allen Ausführungsbeispielen ist es möglich, zusätzlich einen leuchtenden Ring - eine sogenannte Korona - darzustellen. In all embodiments, it is possible to additionally represent a luminous ring - a so-called corona.

Claims

P A T E N T A N S P R Ü C H E PATENT APPLICATIONS 1. Bedienelement mit einem eine Funktion darstellenden Zeichen (8), umfassend einen Rahmen (3), der in einem Gehäuse geführt ist, einen in dem Rahmen (3) angeordneten lichtdurchlässigen Körper (4) und eine Lichtquelle (12) zur Durchleuchtung des Rahmens (3), dadurch gekennzeichnet, dass das Zeichen (8) innerhalb des Rahmens (3) in oder unter einer inneren, vom Betrachter abgewandten Oberfläche des Körpers (4) angeordnet ist.A control panel having a function indicia (8) comprising a frame (3) guided in a housing, a translucent body (4) disposed in the frame (3) and a light source (12) for transilluminating the frame (3), characterized in that the sign (8) within the frame (3) in or under an inner, facing away from the viewer surface of the body (4) is arranged. 2. Bedienelement nach Anspruch 1 , dadurch gekennzeichnet, dass der Körper (4) als einseitig konvexe Linse ausgebildet ist, wobei die konvexe Seite nach außen weist.2. Operating element according to claim 1, characterized in that the body (4) is formed as a one-sided convex lens, wherein the convex side facing outward. 3. Bedienelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zwischen der Lichtquelle (12) und dem Körper (4) mindestens zwei transparente Scheiben (5, 6, 7) angeordnet sind.3. Operating element according to claim 1 or 2, characterized in that between the light source (12) and the body (4) at least two transparent discs (5, 6, 7) are arranged. 4. Bedienelement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass eine dem Körper (4) gegenüber liegende unterste der Scheiben (7) als Träger ausgebildet ist.4. Operating element according to one of claims 1 to 3, characterized in that the body (4) opposite the bottom of the discs (7) is designed as a carrier. 5. Bedienelement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Scheiben (5, 6, 7) aus Kunststoff gefertigt sind.5. Operating element according to one of claims 1 to 4, characterized in that the discs (5, 6, 7) are made of plastic. 6. Bedienelement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Zeichen (8) in eine oberste der Scheiben (5) eingearbeitet ist.6. Operating element according to one of claims 1 to 5, characterized in that the sign (8) is incorporated in an uppermost of the discs (5). 7. Bedienelement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die oberste Scheibe als Folie ausgebildet ist, auf die ein- oder beidseitig das Zeichen (8) gedruckt ist. 7. Operating element according to one of claims 1 to 5, characterized in that the uppermost disc is formed as a film on which one or both sides of the character (8) is printed. 8. Bedienelement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Körper (4) aus Glas gefertigt ist.8. Operating element according to one of claims 1 to 7, characterized in that the body (4) is made of glass. 9. Bedienelement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass zwischen aneinander grenzenden Flächen des Körpers (4) und der Scheiben (5, 6, 7) optische Verbindungsmittel angeordnet sind. 9. Operating element according to one of claims 1 to 8, characterized in that between adjacent surfaces of the body (4) and the discs (5, 6, 7) optical connection means are arranged.
PCT/EP2007/000613 2006-02-22 2007-01-25 Control element Ceased WO2007096037A1 (en)

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EP1994539B1 (en) 2012-11-21
EP1994539A1 (en) 2008-11-26
DE102007001703B4 (en) 2009-10-22
DE102007001703A1 (en) 2007-08-30
DE102007001703C5 (en) 2012-08-09

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