EP1421893B1 - Household appliance integrable into a row of furniture with a display device - Google Patents

Household appliance integrable into a row of furniture with a display device Download PDF

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Publication number
EP1421893B1
EP1421893B1 EP03024836A EP03024836A EP1421893B1 EP 1421893 B1 EP1421893 B1 EP 1421893B1 EP 03024836 A EP03024836 A EP 03024836A EP 03024836 A EP03024836 A EP 03024836A EP 1421893 B1 EP1421893 B1 EP 1421893B1
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EP
European Patent Office
Prior art keywords
domestic appliance
display unit
front door
appliance according
optical
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EP03024836A
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German (de)
French (fr)
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EP1421893A1 (en
EP1421893B2 (en
Inventor
Hartmut Hofmann
Wolfgang Schleifer
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Electrolux Home Products Corp NV
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Electrolux Home Products Corp NV
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels

Definitions

  • the invention relates to a household appliance, in particular on a dishwasher, according to the preamble of claim 1.
  • Such a domestic appliance in particular a dishwasher
  • a dishwasher is known as installable or integrable in a furniture series household appliance from EP 0 691 100 A1.
  • the dishwasher is arranged in a furniture series of base cabinets fully integrated below a countertop and has a downwardly pivotable front door, which is provided with a front panel.
  • the front door has a control bar, which is located on the top of the front door and is accessible only when the front door is pivoted forward by a small angle.
  • the known dishwasher has display means which are mounted either in the gap between the top of the front door and the worktop or in the edge region of the worktop above the front door.
  • the household appliance is preferably a water-conducting household appliance such as a dishwasher with a door pivotable about the horizontal axis; but it may for example be a refrigerator and / or freezer with a pivotable about a vertical axis door.
  • a particular advantage of the invention is that the operating state of the household appliance can be displayed at any time without the user having to open a door for this purpose or having to look at a small and not easily visible display in the area of the household appliance.
  • the area outside the household appliance in particular the area below the front door or other areas outside of the household appliance are currently used in any household appliance for display functions.
  • the previously not equipped with display units range of household appliance, for example, inside the door of a dishwasher or in the lower front of the door, for example, on a housing projection between the bottom of the front door and the skirting, with at least one display means, which Display unit zugeorndet provided that can emit light in different directions.
  • various displays may be generated by the display unit with one or more display means.
  • the display is outside the household appliance, for example on the floor in front of or below the front door.
  • the optical display is either side by side or laterally offset on the same or different projection surface.
  • An advantage of the invention is thus that the information about the operating state of the household appliance can be combined with each other arbitrarily and in different predetermined order bez. temporal sequence can be issued once or repeatedly.
  • a particular advantage of a household appliance according to the invention is that no additional space for the display unit must be provided.
  • the arrangement of the display unit substantially within the front door of the household appliance.
  • between the outer leaf and inner lining of the door existing or vorzu Image free spaces are used, which allow an arrangement of the display unit.
  • the display unit is at least partially disposed in or on the front door or in or on the housing of the household appliance. is.
  • the arrangement is such that when viewed from above and above the display unit and / or at least one of the display unit associated display means is substantially not visible, as they are preferably in the area below the front or in the front panel of the door or mounted inside the front door.
  • the display unit is mounted either on the underside of the front door itself, on the underside of its front panel or on the underside of a skirting projecting housing projection on which the front door is struck.
  • the display means can also be attached to the skirting board itself, in particular directly below the housing projection, for which purpose the "blind spot” can preferably be exploited, which remains invisible from the eye level of a person standing in front of the household appliance.
  • the arrangement of the display unit in the area below the inside of the front door also has the advantage that the display unit is protected against soiling acting on it from above and is not scratched because it is not within the reach of a person working in the kitchen.
  • the display unit comprises at least one display means in the form of a light source, for example an LED or a laser diode, which generates a light beam on the skirting board, an area of the floor in front of the furniture row, in particular in front of the household appliance, or on a wall within the room.
  • a light beam shown by the light source can be deflected by optical deflection in any direction, including the floor, but also on a wall in the kitchen, for example, a furniture front or on a wall of the kitchen itself.
  • the aspiringeinformatiion can thus be displayed anywhere within the installation space of the device on a suitable projection surface.
  • the display unit is connected via optical and electrical transmission means with a control device of the household appliance.
  • the control device is accommodated either within the housing of the household appliance or in the front door, in particular if in this also a control unit is arranged, which is at the pivoting of the front door by a small angle forward or downwards accessible to the user.
  • For transmission are electrical cables or optical fibers or obstacles free paths over which the light generated by the bulb is transmitted directly to other components of the display unit or on the screen outside the household appliance.
  • At least one light-emitting means as display means is arranged on a circuit board of the control device.
  • a first display unit is already attached to the control unit, which couples the light, for example, in an optical waveguide, so that it exits from this in the bottom region of the household appliance or other light-sensitive means of the display unit drives or encounters deflection or deflection of the display unit, which ultimately cause an output of an optical display outside the home appliance.
  • the display unit is designed such that it comprises at least one light-emitting diode (LED) emitting in the visible region of the light and / or a laser, in particular a laser diode.
  • LED light-emitting diode
  • the display unit is followed by optical transmission means for emitting the light beam.
  • a dishwasher 1 (FIGS. 2 a, b) comprises a front door 2 with a support plate 3, which is mounted pivotably in the dishwasher 1 via a hinge (not shown here). On the support plate 3, a front panel 30 is applied.
  • the dishwasher 1 also has a control device 4, which is connected via (also not shown) control lines with drives such as the lye and the circulation pump and other actuators.
  • the control unit 4 queries all in the dishwasher 1 aggregates on their respective state ab..Diesen this is then either continuously or at certain intervals via a signal line 40 to a semiconductor laser 5 on the underside of the front door 2, ie either on the Support plate 3 or on the front panel 30 is applied.
  • the semiconductor laser 5 are followed by optical imaging means in the emission direction.
  • a scattering lens 6 is introduced into the beam path of a light beam 7 generated by the semiconductor laser 5, which widens it.
  • the light beam 7 generates on a bottom surface 8 a circular image 9, which gives the user of the dishwasher 1 information about their current status, for example, about that runs a wash program with a maximum purging temperature of 60 ° C.
  • the picture 9 has red color.
  • the control device 4 is connected via a further signal line 41 to a further semiconductor laser 10 which emits approximately blue light and generates a corresponding, rectangular image 11 which indicates whether enough salt is still present in the dishwasher 1 for regenerating the ion exchanger.
  • Two optical sensors 12, 13 are also mounted on the underside of the support plate 3 or the front panel 30 or within the front door 2, for example, detect the passage of a foot.
  • the sensors 12, 13 are also connected to the control device 4 by signal lines, in order to trigger a command for the operation of the dishwasher 1 when they receive an optical signal.
  • a sensor can also form a proximity switch together with a light source: as soon as light emitted by the light source is reflected into the sensor, it triggers a signal in the control circuit, for example the start of a cleaning process.
  • a housing projection 200 of the housing 20 also covers the underside of the front door 2.
  • the semiconductor lasers 5, 10 and the sensors 12, 13 are arranged on the housing projection 200.
  • the front door 2 On its upper side, the front door 2 is covered by a worktop 14 in the closed state.
  • a control panel 15 is accessible, via which the dishwasher 1 can be operated in addition to the optical control devices in the form of the sensors 12, 13.
  • a base cover 16 Below the front door 2, a base cover 16 is provided on the front of the dishwasher 1.
  • the semiconductor lasers 5, 10 and the sensors 12, 13 can be arranged in different positions below the front door 2 or the housing projection 200, as shown in FIGS. 3a to 3b:
  • a semiconductor laser 21 (FIG. 3a) is mounted under the underside of the housing projection 200 and radiates its light vertically down to the bottom surface 8.
  • the light of a semiconductor laser 23 is first radiated from the underside of the support plate 3 of the front door 2 to the base cover 16 and reflected by a mirror 24 on the bottom surface 8.
  • the mirror 24 is either a planar mirror or a parabolic mirror.
  • a light emitting diode 25 is attached to the socket cover 16.
  • a converging lens 26 for focusing the emitted light beam from the light emitting diode 25 is arranged, which radiates the light on the bottom surface 8.
  • a projection system having a plurality of optical imaging means may also be provided.
  • the bottom surface 8 can be directed at a different setting of the respective light source, the light beam on a vertical wall, so that a user can conveniently take information from the dishwasher, without having to look his gaze down.
  • the light beam can be moved to give special information to the user of the household appliance.
  • a polygon mirror can also be used, as it is known, for example, from EP 0 346 015 B1.
  • the invention thus provides a household appliance, in its lower part a display device having.
  • the display can vary in color, which, for example, through the use of white light from a light bulb is realized.
  • the light bulb radiated light passes through a movably arranged Prism, depending on its position light different Color radiates. It can also the Display the color of the respective operating status.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Communication System (AREA)
  • Cookers (AREA)
  • Combinations Of Kitchen Furniture (AREA)

Abstract

The domestic appliance has at least one optical display unit and/or operating unit for displaying and/or controlling at least one operating function via a light beam and incorporated in the appliance housing and/or its front door (2), the optical display and/or the actuation of the operating unit provided outside the appliance, e.g. by reflection of a laser beam from the floor surface (8).

Description

Die Erfindung bezieht sich auf ein Haushaltgerät, insbesondere auf eine Geschirrspülmaschine, gemäß dem Oberbegriff des Anspruches 1.The invention relates to a household appliance, in particular on a dishwasher, according to the preamble of claim 1.

Ein derartiges Haushaltgerät, insbesondere eine Geschirrspülmaschine, ist als einbaubares bzw. in einer Möbelreihe integrierbares Haushaltsgerät aus der EP 0 691 100 A1 bekannt. Die Geschirrspülmaschine ist in einer Möbelreihe von Unterschränken voll integrierbar unterhalb einer Arbeitsplatte angeordnet und weist eine nach unten verschwenkbare Fronttür auf, die mit einer Frontverkleidung versehen ist. Die Fronttür hat eine Bedienleiste, die auf der Oberseite der Fronttür angeordnet ist und nur dann zugänglich ist, wenn die Fronttür um einen kleinen Winkel nach vorn geschwenkt ist.
Jedoch weist die bekannte Geschirrspülmaschine Anzeigemittel auf, die entweder in dem Spalt zwischen der Oberseite der Fronttür und der Arbeitsplatte oder im Kantenbereich der Arbeitsplatte oberhalb der Fronttür angebracht sind. Dadurch ist es möglich, auch während des Betriebs der Geschirrspülmaschine eine Information über den gerade ablaufenden Arbeitsgang, über die Restlaufdauer eines ablaufenden Programms, über das Fehlen von Geschirrspülmittel, von Salz oder über den Funktionszustand von Einheiten der Geschirrspülmaschine zu erhalten.
Es ist die Aufgabe der Erfindung, eine neue Möglichkeit für die Anzeige von Informationen und/oder die Bedienung eines Haushaltgerätes zu schaffen.
Erfindungsgemäß wird diese Aufgabe bei einem Haushaltgerät der eingangs genannten Art dadurch gelöst, dass die Wiedergabe des Informationsgehaltes einer optischen Anzeigeeinheit und/oder die Bedienung eines Haushaltgerätes im wesentlichen außerhalb des Haushaltgerätes erfolgt, wobei ein Lichtstrahl an einer Boden- oder Wandfläche reflektiert wird, um einen bestimmten Betriebszustand, eine Funktion oder eine sonstige, insbesondere mit dem Haushaltsgerät in Beziehung stehende Information wiederzugeben.
Das Haushaltgerät ist bevorzugt ein wasserführendes Haushaltgerät wie eine Geschirrspülmaschine mit einer um die waagrechte Achse schwenkbaren Tür; es kann aber beispielsweise auch ein Kühl- und/oder Gefrierschrank mit einer um eine senkrechte Achse schwenkbaren Tür sein.Such a domestic appliance, in particular a dishwasher, is known as installable or integrable in a furniture series household appliance from EP 0 691 100 A1. The dishwasher is arranged in a furniture series of base cabinets fully integrated below a countertop and has a downwardly pivotable front door, which is provided with a front panel. The front door has a control bar, which is located on the top of the front door and is accessible only when the front door is pivoted forward by a small angle.
However, the known dishwasher has display means which are mounted either in the gap between the top of the front door and the worktop or in the edge region of the worktop above the front door. This makes it possible to obtain even during operation of the dishwasher information about the currently running operation, the remaining duration of a running program, the absence of dishwashing detergent, salt or on the functional state of units of the dishwasher.
It is the object of the invention to provide a new way of displaying information and / or the operation of a household appliance.
According to the invention, this object is achieved in a household appliance of the type mentioned in that the reproduction of the information content of an optical display unit and / or the operation of a household appliance substantially outside of the household appliance, wherein a light beam is reflected on a floor or wall surface to a certain operating condition, a function or other, in particular related to the household appliance information to play.
The household appliance is preferably a water-conducting household appliance such as a dishwasher with a door pivotable about the horizontal axis; but it may for example be a refrigerator and / or freezer with a pivotable about a vertical axis door.

Ein besonderer Vorteil der Erfindung besteht darin, dass jederzeit der Betriebszustand des Haushaltgeräts angezeigt werden kann, ohne dass der Benutzer hierzu eine Tür öffnen muss oder auf eine kleine und nicht gut sichtbare Anzeige im Bereich des Haushaltgeräts schauen muss.
Der Bereich außerhalb des Haushaltgerätes, insbesondere der Bereich unterhalb der Fronttür bzw. sonstige Bereiche außerhalb des Haushaltgerätes werden bislang bei keinem Haushaltgerät für Anzeigefunktionen genutzt. Erstmals durch die Erfindung wird der bislang nicht mit Anzeigeeinheiten ausgestattete Bereich des Haushaltsgerätes, zum Beispiel innerhalb der Tür eines Geschirrspülers oder im unteren Frontbereich der Tür, zum Beispiel an einem Gehäusevorsprung zwischen der Unterseite der Fronttür und der Sockelleiste, mit mindestens einem Anzeigemittel, welches der Anzeigeeinheit zugeorndet ist, versehen, das Licht in verschiedene Raumrichtungen abgeben kann.
Da es nicht notwendig ist, auf das Anzeigemittel durch Betätigung von Hand, etwa durch Betätigen eines korrespondieren zugeordnet Bedienelementes, wie zum Beispiel einem Programmwahlschalter, einzuwirken, können verschiedene Anzeigen durch die Anzeigeeinheit mit einem oder mehreren Anzeigemitteln erzeugt werden. Die Anzeige erfolgt außerhalb des Haushaltgerätes, zum Beispiel auf dem Fußboden im Bereich vor bzw. unterhalb der Fronttür. Die optische Anzeige erfolgt entweder nebeneinander oder seitlich versetzt auf gleicher oder unterschiedlicher Projektionsfläche. Somit ist eine Wiedergabe von verschiedenen Informationen dicht beieinander oder in definierbaren Zeitintervallen möglich. Ein Vorteil der Erfindung ist somit, dass die Informationen über den Betriebszustand des Haushaltgerätes beliebig untereinander kombinierbar und in verschieden vorgebbarer Reihenfolge bez. zeitlich Abfolge einmalig oder wiederholt ausgegeben werden können.
Ein besonderer Vorteil eines erfindungsgemäßen Haushaltgeräts besteht darin, dass kein zusätzlicher Platz für die Anzeigeeinheit vorgesehen werden muss. Auch auf der Arbeitsplatte wird kein Platz für der Anzeigeeinheit zugeordnete Mittel bzw. die komplette Anzeigeeinheit benötigt, die dort leicht durch in der Küche benötigte Gebrauchsgegenstände zugestellt oder verkratzt werden könnten. Besonders bevorzugt ist deshalb die Anordnung der Anzeigeeinheit im wesentlichen innerhalb der Fronttür des Haushaltgerätes. Hierbei werden zwischen Außenblatt und Innenverkleidung der Tür bestehende oder vorzusehende Freiräume genutzt, die eine Anordnung der Anzeigeeinheit ermöglichen. Dabei ist besonders bevorzugt die Anordnung eines Anzeigemittels (zugehörig zur Anzeigeeinheit) derart vorzusehen, dass zumindest zwischen Anzeigemittel und Projektionsfläche sich eine freie Wegstrecke befindet, so dass kostenaufwendige Umlenkungen des Lichtes unnötig sind.A particular advantage of the invention is that the operating state of the household appliance can be displayed at any time without the user having to open a door for this purpose or having to look at a small and not easily visible display in the area of the household appliance.
The area outside the household appliance, in particular the area below the front door or other areas outside of the household appliance are currently used in any household appliance for display functions. For the first time by the invention, the previously not equipped with display units range of household appliance, for example, inside the door of a dishwasher or in the lower front of the door, for example, on a housing projection between the bottom of the front door and the skirting, with at least one display means, which Display unit zugeorndet provided that can emit light in different directions.
Since it is not necessary to act on the display means by manual operation, such as by actuating a corresponding associated control element, such as a program selector switch, various displays may be generated by the display unit with one or more display means. The display is outside the household appliance, for example on the floor in front of or below the front door. The optical display is either side by side or laterally offset on the same or different projection surface. Thus, a reproduction of various information is possible close to each other or at definable time intervals. An advantage of the invention is thus that the information about the operating state of the household appliance can be combined with each other arbitrarily and in different predetermined order bez. temporal sequence can be issued once or repeatedly.
A particular advantage of a household appliance according to the invention is that no additional space for the display unit must be provided. Also on the countertop no space for the display unit associated funds or the entire display unit is needed, which could be easily delivered there by kitchen utensils needed or scratched. Particularly preferred is therefore the arrangement of the display unit substantially within the front door of the household appliance. In this case, between the outer leaf and inner lining of the door existing or vorzusehende free spaces are used, which allow an arrangement of the display unit. In this case, it is particularly preferable to provide the arrangement of a display means (associated with the display unit) such that there is a free path at least between the display means and the projection surface, so that costly deflections of the light are unnecessary.

Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und aus der Beschreibung von Ausführungsbeispielen.Advantageous developments of the invention will become apparent from the dependent claims and from the description of Embodiments.

In einer geeigneten Ausbildung der Erfindung ist die Anzeigeeinheit zumindest teilweise in oder an der Fronttür oder in oder an dem Gehäuse des Haushaltgerätes angeordnet. ist. In allem Fällen geschieht die Anordnung so, dass bei Draufsicht auf das Haushaltgerät von vorn und von oben die Anzeigeeinheit und/oder zumindest ein der Anzeigeeinheit zugeordnetes Anzeigemittel im wesentlichen nicht sichtbar ist, da sie bevorzugt im Bereich unterhalb der Front oder in der Frontverkleidung der Tür oder innerhalb der Fronttür angebracht ist. Somit ist die Anzeigeeinheit entweder auf der Unterseite der Frontür selbst, auf der Unterseite ihrer Frontverkleidung oder auf der Unterseite eines die Sockelleiste überkragenden Gehäusevorsprungs angebracht, an dem die Fronttür angeschlagen ist.
Ebenso lässt sich zumindest das Anzeigemittel jedoch auch an der Sockelleiste selbst, insbesondere unmittelbar unterhalb des Gehäusevorsprungs, anbringen, wozu sich bevorzugt der "tote Winkel" ausnutzen lässt, der aus Augenhöhe einer vor dem Haushaltgerät stehenden Person unsichtbar bleibt.
Die Anordnung der Anzeigeeinheit im Bereich unterhalb der innerhalb der Fronttür hat auch den Vorteil, dass die Anzeigeeinheit geschützt gegenüber von oben auf sie einwirkenden Verschmutzungen ist und nicht verkratzt wird, da sie nicht im Zugriffsbereich einer in der Küche tätigen Person liegt.
Von Vorteil ist eine Ausgestaltung, in der die Anzeigeeinheit zumindest ein Anzeigemittel in Form eines Leuchtmittel, zum Beispiel einer LED oder einer Laserdiode umfasst, welches einen Lichtstrahl erzeugt, der auf der Sockelleiste, einem Bereich des Fußboden vor der Möbelreihe, insbesondere vor dem Haushaltgerät, oder an einer Wand innerhalb des Raumes dargestellt wird. Durch die erfindungsgemäße Anordnung der Anzeigeeinheit bzw. insbesondere des Leuchtmittels wird eine hohe Flexibilität bei der Anzeige des Betriebszustandes des Haushaltgeräts ermöglicht, da ein vom Leuchtmittel erzeigter Lichtstrahl durch optische Ablenkmittel in beliebige Richtungen ablenkbar ist, u. a. auf den Fußboden, aber auch auf eine Wand in der Küche, beispielsweise eine Möbelfront oder auf eine Wand der Küche selbst. Die Anzeigeinformatiion kann somit innerhalb des Aufstellraumes des Gerätes überall auf einer geeigneten Projektionsfläche dargestellt werden. Alternativ ist auch eine Weiterleitung bzw. Projektion der Anzeigeinformation außerhalb des Aufstellraumes des Geschirrspülers möglich.
Bevorzugt ist die Anzeigeeinheit über optische und elektlektrische Übertragungsmittel mit einer Steuereinrichtung des Haushaltgeräts verbunden. Die Steuereinrichtung ist entweder innerhalb des Gehäuses des Haushaltgeräts oder in der Fronttür untergebracht, insbesondere wenn in dieser auch eine Bedieneinheit angeordnet ist, die beim Herausschwenken der Fronttür um einen kleinen Winkel nach vorn oder nach unten zugänglich für den Benutzer wird. Zur Übertragung dienen elektrische Kabel oder Lichtwellenleiter oder von Hindernissen freie Wegstrecken, über die das vom Leuchtmittel erzeugte Licht zu weiteren Bestandteilen der Anzeigeeinheit oder auf die Projektionsfläche außerhalb des Haushaltgerätes direkt übertragen wird.In a suitable embodiment of the invention, the display unit is at least partially disposed in or on the front door or in or on the housing of the household appliance. is. In all cases, the arrangement is such that when viewed from above and above the display unit and / or at least one of the display unit associated display means is substantially not visible, as they are preferably in the area below the front or in the front panel of the door or mounted inside the front door. Thus, the display unit is mounted either on the underside of the front door itself, on the underside of its front panel or on the underside of a skirting projecting housing projection on which the front door is struck.
However, at least the display means can also be attached to the skirting board itself, in particular directly below the housing projection, for which purpose the "blind spot" can preferably be exploited, which remains invisible from the eye level of a person standing in front of the household appliance.
The arrangement of the display unit in the area below the inside of the front door also has the advantage that the display unit is protected against soiling acting on it from above and is not scratched because it is not within the reach of a person working in the kitchen.
An advantage is an embodiment in which the display unit comprises at least one display means in the form of a light source, for example an LED or a laser diode, which generates a light beam on the skirting board, an area of the floor in front of the furniture row, in particular in front of the household appliance, or on a wall within the room. The inventive arrangement of the display unit or in particular of the bulb high flexibility in the display of the operating state of the household appliance is possible because a light beam shown by the light source can be deflected by optical deflection in any direction, including the floor, but also on a wall in the kitchen, for example, a furniture front or on a wall of the kitchen itself. The Anzeigeeinformatiion can thus be displayed anywhere within the installation space of the device on a suitable projection surface. Alternatively, a forwarding or projection of the display information outside the installation room of the dishwasher is possible.
Preferably, the display unit is connected via optical and electrical transmission means with a control device of the household appliance. The control device is accommodated either within the housing of the household appliance or in the front door, in particular if in this also a control unit is arranged, which is at the pivoting of the front door by a small angle forward or downwards accessible to the user. For transmission are electrical cables or optical fibers or obstacles free paths over which the light generated by the bulb is transmitted directly to other components of the display unit or on the screen outside the household appliance.

In einer bevorzugten Ausgestaltung ist zumindest ein Leuchtmittel als Anzeigemittel, zum Beispiel eine LED, auf einer Platine der Steuereinrichtung angeordnet. N diesem Fall ist bereits an der Steuereinheit eine erste Anzeigeeinheit angebracht, die das Licht zum Beispiel in einen Lichtwellenleiter einkoppelt, so dass es aus diesem im Bodenbereich des Haushaltgerätes austritt oder aber andere lichtempfindliche Mittel der Anzeigeeinheit ansteuert oder auf Umlenkmittel oder Ablenkmittel der Anzeigeeinheit trifft, die'letztendlich eine Ausgabe einer optischen Anzeige außerhalb des Hausgerätes bewirken.
Bevorzugt ist die Anzeigeeinheit so ausgebildet, dass sie zumindest eine im sichtbaren Bereich des Lichtes emittierende Leuchtdiode (LED) und/oder einen Laser, insbesondere eine Laserdiode, umfasst.
Zum Erreichen einer gut sichtbaren Anzeige sind der Anzeigeeinheit optische Übertragungsmittel zum Ausstrahlen des Lichtstrahls nachgeordnet. In a preferred embodiment, at least one light-emitting means as display means, for example an LED, is arranged on a circuit board of the control device. N this case, a first display unit is already attached to the control unit, which couples the light, for example, in an optical waveguide, so that it exits from this in the bottom region of the household appliance or other light-sensitive means of the display unit drives or encounters deflection or deflection of the display unit, which ultimately cause an output of an optical display outside the home appliance.
Preferably, the display unit is designed such that it comprises at least one light-emitting diode (LED) emitting in the visible region of the light and / or a laser, in particular a laser diode.
To achieve a highly visible display, the display unit is followed by optical transmission means for emitting the light beam.

Als optische Übertragungsmittel lassen sich in den Strahlengang eingebrachte optische Projektionssysteme oder Abbildungsmittel, insbesondere eine Linse, ein Prisma, ein Gitter, ein Polarisator, eine Zelle mit nichtlinearen optischen Eigenschaften oder dgl., einsetzen. Dadurch kann eine geeignete Form des Lichtstrahls beim Auftreffen auf einer Fläche erzielt werden. Die Projektionssysteme enthalten beispielsweise eine Mehrzahl optischer Abbildungsmittel, um Lichteffekte zu erzielen, beispielsweise, um das Licht auf dem Boden oder einer sonstigen angestrahlten Wand von links nach rechts, oben nach unter oder sonstiger Weise wandern zu lassen.
Ebenso kann der Lichtstrahl aber auch durch mindestens ein Umlenkmittel zum Umlenken des Lichtstrahls, insbesondere einen Spiegel, umfassen, der den Lichtstrahl in die gewünschte Raumrichtung ablenkt. Der Spiegel oder ein anderes Umlenkmittel kann gleichzeitig zur Strahlaufweitung, d. h. zum Vergrößern, dienen. Dadurch wird eine Anzeige für den Benutzer gut sichtbar. Sie kann dann auch aus der Entfernung noch gut gelesen werden, ohne dass der Benutzer sich in unmittelbarer Nähe zu dem Haushaltgerät aufhalten muss, um die Bedienanzeige zu erkennen. Eine das einheitliche Bild einer Frontplatte störende Anzeigeeinrichtung, wie sie bei herkömmlichen Haushaltgeräten üblich ist, entfällt gemäß der Erfindung.
In einer Weiterbildung der Erfindung ist der Umlenkwinkel des Umlenkmittels veränderbar. Dies wird dadurch erreicht, dass entweder das Umlenkmittel beweglich angeordnet ist und durch einen kleinen Motor bewegt wird, oder die optischen Eigenschaften des Umlenkmittels werden z. B. durch Anlegen eines elektrischen Feldes verändert.
Insbesondere ist als Umlenkmittel eine an sich bekannte drehbewegliche Spiegelanordnung, insbesondere ein Polygonspiegel, geeignet.
Eine hohe Aufmerksamkeit für die Anzeigen des Haushaltgeräts seitens der Benutzer lässt sich dadurch erzielen, dass das Anzeigeelement mehrere Anzeigen umfasst, die Licht in verschiedenen Farben, verschiedenen Strahldurchmesserformen, verschiedenen Anzeigewiederholdauern usw. anzeigen. Überdies kann die Anzeige auch einen Text umfassen, der dem Benutzer bestimmte Hinweise über den Betriebszustand des Geräts, über das Nachfüllen von Verbrauchsmitteln für das Gerät, Defekte an dem Gerät oder sonstige allgemeine Informationen, insbesondere des Herstellers des Geräts, oder beispielsweise Nachrichten, gibt. Die Anzeige kann in an sich bekannter Weise in Form von Balkendiagrammen oder kreissegmentförmigen Darstellungen gestaltet werden, um eine übersichtliche und schnell erfassbare Information für den Benutzer zu geben.
In einer weiteren vorteilhaften Ausführung der Erfindung ist vorgesehen, dass der Anzeigeeinheit eine Bedieneinheit zugeordnet ist. Zwar kann die Bedieneinheit auch oder zusätzlich im geschlossenen Zustand verborgen auf der Oberseite einer nach vorn oder seitlich schwenkbaren Fronttür angebracht sein. Aber in diesen Fällen ist stets ein wenigstens teilweises Öffnen der Fronttür erforderlich. Dies kann vermieden werden, wenn die Bedienung ausschließlich auf optischem Wege erfolgt, indem beispielsweise die Streuung oder Reflexion von Licht geändert wird, wenn ein Fuß in den Lichtstrahl hineintritt oder wenn ein Fuß eine bestimmte Bewegung vollzieht, die von mehreren Detektoren in Verbindung mit einander detektiert wird, so dass etwa aus der Richtung der Bewegung des Fußes ein Befehl für das Haushaltgerät in der Steuereinrichtung abgeleitet wird.
Von Vorteil ist es ebenfalls, wenn ein von der Anzeigeeinheit emittierter Lichtstrahl zur Bedienung des Haushaltsgeräts zu einem Sensor reflektierbar ist, dieser kann an einer von dem Haushaltgerät weit entfernten Stelle angeordnet sein, sofern nur eine Signalübertragung zwischen dem Haushaltgerät und dem Sensor gewährleistet ist. In einer Ausführungsform der Erfindung ist der Sensor jedoch ebenfalls unterhalb der Fronttür angeordnet.
Es versteht sich, dass eine Mehrzahl von Anzeigeeinheiten bzw. Anzeigemitteln im Sinne der Erfindung an der Unterseite des Haushaltgeräts angeordnet sein können. Ebenso kann die Anzeigeeinheit auch an der Unterseite eines anderen Haushaltgeräts angebracht werden, wenn für eine entsprechende elektrische oder optische Übertragung der durch die Anzeigeeinheit anzuzeigenden Signale Sorge getragen ist.
Nachfolgend wird die Erfindung in Ausführungsbeispielen anhand der Zeichnung näher erläutert. Diese zeigen:

Fig. 1
eine Tür einer Geschirrspülmaschine in perspektivischer Ansicht mit einer erfindungsgemäßen Anzeigeeinheit,
Fig. 2a, b
eine Geschirrspülmaschine mit einer schwenkbaren Fronttür im geschlossenen und im leicht geöffneten Zustand und
Fig. 3 a - c
eine seitliche Teilansicht der Geschirrspülmaschine mit verschiedenen Anzeigeeinheiten.
As optical transmission means, optical projection systems or imaging means, in particular a lens, a prism, a grating, a polarizer, a cell with nonlinear optical properties or the like, introduced into the beam path can be used. Thereby, a suitable shape of the light beam when hitting a surface can be achieved. The projection systems include, for example, a plurality of optical imaging means to achieve lighting effects, for example, to let the light on the floor or other illuminated wall from left to right, up to under or otherwise migrate.
Likewise, however, the light beam can also comprise at least one deflecting means for deflecting the light beam, in particular a mirror, which deflects the light beam in the desired spatial direction. The mirror or another deflection means can simultaneously serve for beam expansion, ie for enlargement. This makes a display easily visible to the user. It can then be read well from a distance, without the user having to be in close proximity to the household appliance to recognize the operating display. A display device disturbing the uniform image of a front panel, as is common in conventional household appliances, is dispensed with according to the invention.
In a further development of the invention, the deflection angle of the deflection means is variable. This is achieved in that either the deflection is arranged to move and is moved by a small motor, or the optical properties of the deflection are z. B. changed by applying an electric field.
In particular, a known rotatable mirror arrangement, in particular a polygon mirror, is suitable as deflection means.
A high level of attention for users' displays of the household appliance may be obtained by the display element comprising a plurality of displays displaying light in different colors, different beam diameter shapes, different display repeat durations, and so on. In addition, the display may also include text that provides the user with certain indications of the operating status of the device, the refilling of consumables for the device, defects in the device or other general information, in particular the manufacturer of the device, or for example messages. The display can be designed in a manner known per se in the form of bar graphs or circular segmental representations, in order to provide clear and easily comprehensible information for the user.
In a further advantageous embodiment of the invention it is provided that the display unit is assigned a control unit. Although the control unit may also be hidden or mounted in the closed state on the top of a front or laterally pivotable front door. But in these cases always an at least partial opening of the front door is required. This can be avoided if the operation is optical only, for example, by changing the scattering or reflection of light when a foot enters the light beam or when a foot makes a certain movement detected by several detectors in conjunction with each other is, so that approximately from the direction of movement of the foot, a command for the household appliance in the control device is derived.
It is also advantageous if a light beam emitted by the display unit for operating the household appliance is reflectable to a sensor, this can be arranged at a remote location from the household appliance, provided that only a signal transmission between the household appliance and the sensor is guaranteed. However, in one embodiment of the invention, the sensor is also located below the front door.
It is understood that a plurality of display units or display means according to the invention can be arranged on the underside of the household appliance. Likewise, the display unit can also be mounted on the underside of another household appliance, if care is taken for a corresponding electrical or optical transmission of the signals to be displayed by the display unit.
The invention will be explained in more detail in exemplary embodiments with reference to the drawing. These show:
Fig. 1
a door of a dishwasher in perspective view with a display unit according to the invention,
Fig. 2a, b
a dishwasher with a hinged front door in the closed and slightly open state and
Fig. 3 a - c
a partial side view of the dishwasher with various display units.

Eine Geschirrspülmaschine 1 (Fig. 2a, b) umfasst eine Fronttür 2 mit einer Tragplatte 3, die über ein (hier nicht dargestelltes) Scharnier schwenkbar in der Geschirrspülmaschine 1 gelagert ist. Auf der Tragplatte 3 ist eine Frontverkleidung 30 aufgebracht.
Die Geschirrspülmaschine 1 weist ferner eine Steuereinrichtung 4 auf, die über (ebenfalls nicht dargestellte) Steuerleitungen mit Antrieben wie dem der Laugen- und der Umwälzpumpe sowie weiteren Aktoren verbunden ist. Die Steuereinrichtung 4 fragt alle in der Geschirrspülmaschine 1 vorhandenen Aggregate über ihren jeweiligen Zustand ab..Diesen gibt sie dann entweder kontinuierlich oder in bestimmten Zeitabständen über eine Signalleitung 40 an einen Halbleiterlaser 5 weiter, der auf der Unterseite der Fronttür 2, d. h. entweder auf der Tragplatte 3 oder auf der Frontverkleidung 30 aufgebracht ist. Dem Halbleiterlaser 5 sind in Emissionsrichtung optische Abbildungsmittel nachgeordnet. Beispielsweise ist eine Streulinse 6 in den Strahlengang eines von dem Halbleiterlaser 5 erzeugten Lichtstrahls 7 eingebracht, die diesen aufweitet.
Der Lichtstrahl 7 erzeugt auf einer Bodenfläche 8 eine kreisförmige Abbildung 9, die dem Benutzer der Geschirrspülmaschine 1 eine Information über deren aktuellen Status gibt, beispielsweise darüber, dass ein Spülprogramm mit einer maximalen Spültemperatur von 60° C abläuft. Die Abbildung 9 hat rote Farbe.
Die Steuereinrichtung 4 ist über eine weitere Signalleitung 41 mit einem weiteren Halbleiterlaser 10 verbunden, der etwa blaues Licht emittiert und eine entsprechende, rechteckige Abbildung 11 generiert, die anzeigt, ob in der Geschirrspülmaschine 1 noch genügend Salz zum Regenerieren des Ionentauschers vorhanden ist.
Zwei optische Sensoren 12, 13 sind ebenfalls auf der Unterseite der Tragplatte 3 oder der Frontverkleidung 30 oder innerhalb der Fronttür 2 angebracht, die beispielsweise die Vorbeibewegung eines Fußes detektieren. Die Sensoren 12, 13 sind ebenfalls mit Signalleitungen mit der Steuereinrichtung 4 verbunden, um in dieser einen Befehl für den Betrieb der Geschirrspülmaschine 1 auszulösen, wenn sie ein optisches Signal empfangen.
Ein Sensor kann zusammen mit einer Lichtquelle auch einen Näherungsschalter bilden: sobald von der Lichtquelle emittiertes Licht in den Sensor reflektiert wird, löst dieser in der Steuerschaltung ein Signal aus, beispielsweise den Beginn eines Reinigungsvorgangs.
Bei einer Ausführungsform der Erfindung (Fig. 2a, b) ist vorgesehen, dass die Unterseite der Fronttür 2 innerhalb eines Gehäuses 20 der Geschirrspülmaschine 1 gelagert ist und dass ein Gehäusevorsprung 200 des Gehäuses 20 auch die Unterseite der Fronttür 2 bedeckt. In diesem Fall sind daher die Halbleiterlaser 5, 10 und die Sensoren 12, 13 auf dem Gehäusevorsprung 200 angeordnet. Auf ihrer Oberseite ist die Fronttür 2 im verschlossenen Zustand von einer Arbeitsplatte 14 bedeckt. Wenn die Fronttür 2 um einen geringen Winkel nach vorn geneigt wird, wird ein Bedientableau 15 zugänglich, über das die Geschirrspülmaschine 1 zusätzlich zu den optischen Bedieneinrichtungen in Form der Sensoren 12, 13 bedient werden kann. Unterhalb der Fronttür 2 ist auf der Vorderseite der Geschirrspülmaschine 1 eine Sockelabdeckung 16 vorhanden.
Die Halbleiterlaser 5, 10 und die Sensoren 12, 13 lassen sich in verschiedenen Positionen unterhalb der Fronttür 2 oder des Gehäusevorsprungs 200 anordnen, wie Fig. 3a bis 3b zeigen: Ein Halbleiterlaser 21 (Fig. 3a) ist unter der Unterseite des Gehäusevorsprungs 200 befestigt und strahlt sein Licht senkrecht nach unten auf die Bodenfläche 8. Von dort wird ein Teil des Lichts in eine Richtung 22 gestreut und gelangt damit in die Augen einer Person, die im Bereich der Möbelfront anwesend ist.
In einer zweiten Ausführungsform wird das Licht eines Halbleiterlasers 23 zunächst von der Unterseite der Tragplatte 3 der Fronttür 2 zu der Sockelabdeckung 16 gestrahlt und von einem Spiegel 24 auf die Bodenfläche 8 reflektiert. Der Spiegel 24 ist entweder ein planarer Spiegel oder auch ein Parabolspiegel.
In einer dritten Ausführungsform (Fig. 3c) ist eine Leuchtdiode 25 an der Sockelabdeckung 16 befestigt. Vor der Leuchtdiode 25 ist eine Sammellinse 26 zur Bündelung des von der Leuchtdiode 25 ausgestrahlten Lichtbündels angeordnet, die das Licht auf die Bodenfläche 8 abstrahlt. Anstelle der einzigen Sammellinse 26 kann auch ein Projektionssystem mit einer Mehrzahl von optischen Abbildungsmitteln vorgesehen werden. Anstelle der Bodenfläche 8 lässt sich bei einer anderen Einstellung der jeweiligen Lichtquelle der Lichtstrahl auch auf eine senkrechte Wand richten, so dass ein Benutzer dort bequem eine Information von der Geschirrspülmaschine entnehmen kann, ohne seinen Blick nach unten richten zu müssen.
Motorisch, beispielsweise durch einen drehbaren Spiegel, oder durch Anlegen eines elektrischen Feldes an ein in den Strahlengang gebrachtes optisches nicht-lineares Bauelement lässt sich der Lichtstrahl bewegen, um besondere Informationen an den Benutzer des Haushaltgeräts zu geben.
Zur Bewegung des Lichtstrahls kann auch ein Polygonspiegel zum Einsatz kommen, wie er beispielsweise aus der EP 0 346 015 B1 bekannt ist.A dishwasher 1 (FIGS. 2 a, b) comprises a front door 2 with a support plate 3, which is mounted pivotably in the dishwasher 1 via a hinge (not shown here). On the support plate 3, a front panel 30 is applied.
The dishwasher 1 also has a control device 4, which is connected via (also not shown) control lines with drives such as the lye and the circulation pump and other actuators. The control unit 4 queries all in the dishwasher 1 aggregates on their respective state ab..Diesen this is then either continuously or at certain intervals via a signal line 40 to a semiconductor laser 5 on the underside of the front door 2, ie either on the Support plate 3 or on the front panel 30 is applied. The semiconductor laser 5 are followed by optical imaging means in the emission direction. For example, a scattering lens 6 is introduced into the beam path of a light beam 7 generated by the semiconductor laser 5, which widens it.
The light beam 7 generates on a bottom surface 8 a circular image 9, which gives the user of the dishwasher 1 information about their current status, for example, about that runs a wash program with a maximum purging temperature of 60 ° C. The picture 9 has red color.
The control device 4 is connected via a further signal line 41 to a further semiconductor laser 10 which emits approximately blue light and generates a corresponding, rectangular image 11 which indicates whether enough salt is still present in the dishwasher 1 for regenerating the ion exchanger.
Two optical sensors 12, 13 are also mounted on the underside of the support plate 3 or the front panel 30 or within the front door 2, for example, detect the passage of a foot. The sensors 12, 13 are also connected to the control device 4 by signal lines, in order to trigger a command for the operation of the dishwasher 1 when they receive an optical signal.
A sensor can also form a proximity switch together with a light source: as soon as light emitted by the light source is reflected into the sensor, it triggers a signal in the control circuit, for example the start of a cleaning process.
In one embodiment of the invention (Fig. 2a, b) it is provided that the underside of the front door 2 is mounted within a housing 20 of the dishwasher 1 and that a housing projection 200 of the housing 20 also covers the underside of the front door 2. In this case, therefore, the semiconductor lasers 5, 10 and the sensors 12, 13 are arranged on the housing projection 200. On its upper side, the front door 2 is covered by a worktop 14 in the closed state. When the front door 2 is tilted forward by a small angle, a control panel 15 is accessible, via which the dishwasher 1 can be operated in addition to the optical control devices in the form of the sensors 12, 13. Below the front door 2, a base cover 16 is provided on the front of the dishwasher 1.
The semiconductor lasers 5, 10 and the sensors 12, 13 can be arranged in different positions below the front door 2 or the housing projection 200, as shown in FIGS. 3a to 3b: A semiconductor laser 21 (FIG. 3a) is mounted under the underside of the housing projection 200 and radiates its light vertically down to the bottom surface 8. From there, a portion of the light is scattered in a direction 22 and thus enters the eyes of a person who is present in the furniture front.
In a second embodiment, the light of a semiconductor laser 23 is first radiated from the underside of the support plate 3 of the front door 2 to the base cover 16 and reflected by a mirror 24 on the bottom surface 8. The mirror 24 is either a planar mirror or a parabolic mirror.
In a third embodiment (Figure 3c), a light emitting diode 25 is attached to the socket cover 16. In front of the light-emitting diode 25, a converging lens 26 for focusing the emitted light beam from the light emitting diode 25 is arranged, which radiates the light on the bottom surface 8. Instead of the single converging lens 26, a projection system having a plurality of optical imaging means may also be provided. Instead of the bottom surface 8 can be directed at a different setting of the respective light source, the light beam on a vertical wall, so that a user can conveniently take information from the dishwasher, without having to look his gaze down.
Motorically, for example by a rotatable mirror, or by applying an electric field to an optical non-linear component brought into the beam path, the light beam can be moved to give special information to the user of the household appliance.
For moving the light beam, a polygon mirror can also be used, as it is known, for example, from EP 0 346 015 B1.

Durch die Erfindung wird somit ein Haushaltgerät geschaffen, das in seinem unteren Bereich eine Anzeigeeinrichtung aufweist. Die Anzeige kann farblich variieren, was beispielsweise durch den Einsatz von weißem Licht aus einer Glühbirne realisiert wird. Das von der Glühbirne abgestrahlte Licht durchläuft ein beweglich angeordnetes Prisma, das je nach seiner Position Licht unterschiedlicher Farbe abstrahlt. Dabei kann auch die Farbe den jeweiligen Betriebszustand anzeigen. The invention thus provides a household appliance, in its lower part a display device having. The display can vary in color, which, for example, through the use of white light from a light bulb is realized. The light bulb radiated light passes through a movably arranged Prism, depending on its position light different Color radiates. It can also the Display the color of the respective operating status.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
GAGA
22
Fronttürfront door
2020
Gehäusecasing
200200
Gehäusevorsprunghousing projection
33
Tragplattesupport plate
3030
Frontverkleidungfront panel
44
Steuereinrichtungcontrol device
4040
Signalleitungsignal line
4141
Steuerleitungcontrol line
55
HalbleiterlaserSemiconductor laser
66
Streulinsediffusing lens
77
Lichtstrahlbeam of light
88th
Bodenflächefloor area
99
Abbildungen (kreisförmig)Illustrations (circular)
1010
HalbleiterlaserSemiconductor laser
1111
Rechteckige AbbildungRectangular illustration
1212
optischer Sensoroptical sensor
1313
optischer Sensoroptical sensor
1414
Arbeitsplattecountertop
1515
Bedientableaucontrol panel
1616
Sockelabdeckungbase cover
2121
HalbleiterlaserSemiconductor laser
2323
HalbleiterlaserSemiconductor laser
2424
Spiegelmirror
2525
Leuchtdiodeled
2626
Sammellinseconverging lens

Claims (17)

  1. Domestic appliance, in particular a dishwasher (1), having at least one optical display unit and in particular at least one operating unit for displaying and/or controlling at least one operating state of the domestic appliance by means of at least one light beam, wherein at least one means allocated to the display unit and/or operating unit is disposed in or on the housing and/or in or on a front door (2) of the domestic appliance, wherein the optical display and/or the triggering of the operating unit takes place outside the domestic appliance, characterised in that the display unit (5, 10; 21, 23, 25) generates at least one light beam which is projected on to the base strip (16) and/or a region of the floor (8) in front of the row of kitchen units, in particular in front of the domestic appliance, and/or on to a wall and/or the ceiling and/or on to another projection face remote from the domestic appliance within the room in which the domestic appliance is disposed.
  2. Dishwasher (1) according to claim 1, characterised in that it may be fitted in a row of kitchen units, comprises a housing (20), a front door (2) and a base strip (16) which is set back below the front door (2), wherein at least one means of the optical display unit (5, 10; 21, 23, 25) and/or of the operating unit is disposed below the front door (2).
  3. Domestic appliance according to claim 1 or 2, characterised in that the display unit (5, 10; 21, 23, 25) is mounted on the underside of the front door (2), in particular on the underside of a front covering (30) mounted on the front door (2) or on a projection (200) on the housing between the underside of the front door and the base strip or is mounted on the base strip (16), in particular directly below the housing projection (200).
  4. Domestic appliance according to one of claims 1 to 3, characterised in that the display unit (5, 10; 21, 23, 25) is disposed in the front door (2) or in the housing (20) of the domestic appliance.
  5. Domestic appliance according to one of claims 1 to 4, characterised in that the display unit (5, 10; 21, 23, 25) is connected to a control device (4) of the domestic appliance via optical and/or electrical transmission means (40, 41).
  6. Domestic appliance according to one of claims 1 to 5, characterised in that the display unit (5, 10; 21, 23, 25) comprises a light-emitting diode (LED) transmitting in the visible spectrum and/or a laser.
  7. Domestic appliance according to one of claims 1 to 6, characterised in that optical transmission means for emitting the light beam are connected downstream of the display unit (5, 10; 21, 23, 25).
  8. Domestic appliance according to claim 7, characterised in that the optical transmission means comprise at least one optical projection system and/or at least one imaging means, in particular a lens (26), a prism, a grid, a polariser or the like.
  9. Domestic appliance according to one of claims 7 or 8, characterised in that the transmission means comprise at least one deflecting means for deflecting the light beam.
  10. Domestic appliance according to claim 9, characterised in that as a deflecting means a fibreoptic cable and/or mirror and/or or mirror arrangement or the like is provided.
  11. Domestic appliance according to claim 9 or 10, characterised in that at least the angle of deflection of one deflecting means is variable.
  12. Domestic appliance according to claim 11, characterised in that the deflecting means comprises a rotary mirror arrangement (24), in particular a polygonal mirror.
  13. Domestic appliance according to one of claims 1 to 12, characterised in that the display unit (5, 10; 21, 23, 25) comprises plural displays which display the light in various colours and/or light-dark contrasts and/or various light-beam diametric forms and/or various display repeat durations and/or letter, figure and/or symbol outlines etc.
  14. Domestic appliance according to one of claims 1 to 13, characterised in that an operating unit is allocated to the display unit (5, 10; 21, 23, 25).
  15. Domestic appliance according to claim 14, characterised in that a sensor is allocated to the operating unit.
  16. Domestic appliance according to claim 14 or 15, characterised in that a light beam emitted from the display unit (5, 10; 21, 23, 25) may be reflected by an optical sensor (12, 13) in order to operate the domestic appliance.
  17. Domestic appliance according to claim 16, characterised in that the sensor (12, 13) is likewise disposed below the front door (2).
EP03024836A 2002-11-25 2003-10-31 Household appliance integrable into a row of furniture with a display device Expired - Lifetime EP1421893B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10255006.9A DE10255006B4 (en) 2002-11-25 2002-11-25 In a furniture series integrable household appliance with a display device
DE10255006 2002-11-25

Publications (3)

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EP1421893A1 EP1421893A1 (en) 2004-05-26
EP1421893B1 true EP1421893B1 (en) 2005-03-16
EP1421893B2 EP1421893B2 (en) 2012-10-31

Family

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EP (1) EP1421893B2 (en)
AT (1) ATE290812T1 (en)
DE (3) DE10255006B4 (en)
ES (1) ES2240902T5 (en)

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CN103900131A (en) * 2012-12-26 2014-07-02 博西华电器（江苏）有限公司 Smoke exhaust ventilator and control method thereof
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AU2016250417B2 (en) * 2008-10-05 2018-11-29 Electrolux Professional, Inc. Condition warning system, control system and method for pot and pan washing machine
EP2363055A1 (en) 2010-03-01 2011-09-07 Electrolux Home Products Corporation N.V. Projector and household appliance comprising such a projector
WO2011107242A1 (en) 2010-03-01 2011-09-09 Electrolux Home Products Corporation N. V. Projector and household appliance comprising such a projector
US10076227B2 (en) 2010-03-26 2018-09-18 BSH Hausgeräte Dishwasher
DE102011002939A1 (en) 2011-01-20 2012-07-26 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher e.g. front-loading household dishwasher, has optical fiber whose end supports light entrance surface and is fixed at shielding case, where light entrance surface stands in optical connection with light source
DE102011002939B4 (en) 2011-01-20 2024-02-01 BSH Hausgeräte GmbH Dishwasher, especially household dishwasher
DE102011081334A1 (en) 2011-05-24 2012-11-29 BSH Bosch und Siemens Hausgeräte GmbH Household dishwasher for installation in furniture set in kitchen, has projection device arranged within base for generating light beam, where light beam is deflected onto projection surface outside dishwasher
WO2021145495A1 (en) 2020-01-14 2021-07-22 엘지전자 주식회사 Dishwasher

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DE50300370D1 (en) 2005-04-21
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DE10255006B4 (en) 2018-03-22
EP1421893A1 (en) 2004-05-26
ES2240902T3 (en) 2005-10-16
DE20221965U1 (en) 2009-12-31
EP1421893B2 (en) 2012-10-31

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