EP2362149A1 - Household appliance comprising a display device - Google Patents

Household appliance comprising a display device Download PDF

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Publication number
EP2362149A1
EP2362149A1 EP11000963A EP11000963A EP2362149A1 EP 2362149 A1 EP2362149 A1 EP 2362149A1 EP 11000963 A EP11000963 A EP 11000963A EP 11000963 A EP11000963 A EP 11000963A EP 2362149 A1 EP2362149 A1 EP 2362149A1
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EP
European Patent Office
Prior art keywords
control panel
appliance
projection system
projection
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11000963A
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German (de)
French (fr)
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EP2362149B1 (en
Inventor
Dany Ginzburg
Xavier Drouin
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.)
Groupe Brandt SAS
Original Assignee
FagorBrandt SAS
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Publication date
Application filed by FagorBrandt SAS filed Critical FagorBrandt SAS
Publication of EP2362149A1 publication Critical patent/EP2362149A1/en
Application granted granted Critical
Publication of EP2362149B1 publication Critical patent/EP2362149B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGESĀ ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • This data may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a parameter humidity associated with a steam generator of the appliance.
  • the graphic displays of household appliances used to display data through the control panel have a cost increasing with the size of the display surface of said data.
  • the size of the display surface of the graphic displays assembled on the household appliances is limited so as to limit the cost of obtaining these appliances.
  • the document is also known DE 10 2004 036 212 A1 which describes a device of a household appliance having a display unit.
  • the display unit includes a projection unit which is adapted to project light to display means of the display unit within the door of a household appliance, where the projection unit has a light deflection unit that is arranged in the door.
  • the display means is disposed below a viewing window area of the door and has a display surface whose orientation is different from that of a front surface of the door.
  • this device of a household appliance has the disadvantage of projecting data from a lower portion of the appliance and then through the door by means of light deflection elements so that said data is visible at through an area of the door viewing window.
  • the display means and the deflection unit are arranged inside the door where a temperature is high, especially in the case where the appliance is a cooking oven.
  • the implantation of the display unit at least partially inside the door requires modifying the air flow inside said door, especially when a natural convection ventilation system or by forced convection is provided inside said door.
  • Such a device of a household appliance causes to change the structure of the appliance and prevents standardization of different appliances designed by the same manufacturer of household appliances with or without a display unit consisting of at least one unit of projection and display means.
  • the positioning of the display means and the deflection unit inside the door also has the disadvantage of making the cleaning of the display device complex, especially if the cleaning thereof requires dismantling of the door. door by the user.
  • the cleaning of the display device is also complex at the hinges of the door because the dirt is introduced through openings in the door for the passage of the hinges, otherwise protection elements are necessary at these levels. openings generating an additional cost for obtaining a household appliance equipped with such a display device in a door.
  • the height of the display surface is limited by the spacing between two glass panels constituting the door of the appliance when said display surface has an orientation different from that of a front surface of the door .
  • the present invention aims to solve the aforementioned drawbacks, to simplify a display device of a household appliance for projecting data on a projection surface, and to provide a household appliance comprising a display device for projecting data on a projection area of maximum size.
  • said projection system projects said data onto said projection surface constituted by a rear face of a control panel.
  • the display device of the appliance according to the invention makes it possible to project data on a projection surface of maximum size.
  • a display device makes it possible to project data on a large projection surface so as to improve the remote visibility of the projected data.
  • Such a display device allows the user to view closely or remotely the projected data so as to know the operating status of the appliance or to follow a cycle of operation through the projected data on the projection surface formed by the rear face of the control panel of said appliance while being occupied with other activities.
  • the large size of the projection surface formed by the rear panel of the control panel of the appliance also makes it possible to customize the display of data, to create a data projection mode for the visually impaired.
  • household appliances produced by the same manufacturer may have a standardized structure so as to receive either a projection system projecting data on a projection surface constituted by a rear face of the control panel, or display means conventional at the projection surface of the control panel, or the combination of a projection system projecting data on a projection surface formed by a rear panel of the control panel with conventional display means at the level of the projection surface of the control panel.
  • the appliance is a cooking oven 1 comprising a cooking cavity 2.
  • the cooking cavity 2 can be heated by two electric heating elements.
  • the number of heating elements and the type of heating means may be different.
  • washing machines such as washing machines, dryers or dishwashers
  • refrigerating appliances such as a refrigerator or freezer
  • the baking oven 1 comprises a display device 3, in which are displayed data on operating states and / or data called by a user.
  • the display device 3 comprises a projection system 4 and a projection surface 5 integrated in the baking oven 1.
  • the projection system 4 projects the data onto the projection surface 5 constituted by a rear face 6 of a control panel 7.
  • the positioning of the projection system 4 behind the rear face 6 of the control panel 7 constituting the projection surface 5 of the data makes it possible to group together in the same zone the control means of the cooking oven 1, in particular a control unit 11, with said projection system 4.
  • connection elements between the projection system 4 and the control means are of reduced length so as to minimize the cost of obtaining the baking oven 1.
  • the projection system 4 can be cooled by the same cooling device as that of the control means of the baking oven 1 so as to avoid the addition of a specific cooling device to said projection system 4.
  • the display device 3 makes it possible to project data on a large projection surface 5 so as to improve the remote visibility of the projected data.
  • the size of the projection surface 5 may be at most substantially equal to the dimensions of the rear face 6 of the control panel 7.
  • the display device 3 allows the user to view closely or remotely the projected data so as to know the operating state of the cooking oven 1 or to follow a cycle of operation via the projected data. on the projection surface 5 constituted by the rear face 6 of the control panel 7 of said baking oven 1 while being occupied with other activities.
  • Such a display device 3 may make it possible to improve the contrast of the projected data on the projection surface 5, to increase the size of the symbols and / or characters projected compared with the display made by a conventional display.
  • the display device 3 makes it possible to widen the viewing angle of the projected data, in particular horizontally and / or vertically, with respect to the display made by a conventional display.
  • a cooking oven 1 comprising a display device 3 where the data is projected on the rear face 6 of the control panel 7 can be adapted to receive conventional display means at the projection surface 5 of the control panel 7 so that a household appliance manufacturer can produce cooking ovens 1 having the same structure adapted to receive a projection system 4 and / or conventional display means.
  • the baking ovens 1 produced by the same manufacturer may have a standardized structure so as to receive either a projection system 4 projecting data on a projection surface 5 constituted by a rear face 6 of the control panel 7, either conventional display means at the projection surface 5 of the control panel 7, or the combination of a projection system 4 projecting data on a projection surface 5 constituted by a rear panel 6 of the control panel 7 with conventional display means at the projection surface 5 of the control panel 7.
  • the data projected by the projection system 4 on the rear face 6 of the control panel 7 may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a humidity parameter associated with a steam generator of the appliance.
  • This projected data can also be appliance adjustment modes, cooking recipes, general information on the operation of the baking oven 1, cooking programs of the baking oven 1 or advice on the use of the baking oven 1.
  • the data projected by the projection system are in no way limiting and can be varied.
  • the data projected by the projection system 4 on the projection surface 5 constituted by a rear face 6 of the control panel 7 can be modulated according to the operation of the baking oven 1 so as to create contextual information.
  • non-useful data can be masked at certain given times, or a same area of the projection surface 5 can be used to alternately display different data.
  • the baking oven 1 has a front face 9 in one part made by an outer panel of the door 8 so as to visually integrate the control panel 7 and said door 8 in the same unit although these be physically separated.
  • the door 8 can thus be opened and closed relative to the opening of the cooking cavity 2 while the control panel 7 is held fixed.
  • this display device 3 can be placed behind the front face 9 of the appliance.
  • the control panel 7 is made by means of a glass surface, typically by a glass plate.
  • the display device 3 is placed behind this glass plate.
  • control panel is in no way limiting and may be different, and in particular made of a plastic material.
  • control panel 7 comprises control members 10 cooperating with a control unit 11 of the household appliance.
  • control members 10 of the control panel 7 are located on the rear face 6 of said control panel 7 constituting the projection surface 5.
  • control members 10 are either manually controlled by pressure or displacement, in particular rotary, or optical.
  • the flexible printed circuit board can be glued to the rear face 6 of the control panel 7.
  • the flexible printed circuit comprises at least one end a portion for the electrical connection with an electronic card control means of the appliance.
  • the portion of the flexible printed circuit comprises at least one connector such that said electrical connection is provided through said at least one connector.
  • optical cells can be either located on the rear face 6 of the control panel 7 which is transparent to the light emission of these optical cells, and in particular to the infrared radiation, being located projecting on the front face of the control panel 7 .
  • control members 10 disposed inside the door handle 19, and in particular on the rear face of the handle 19, are not very visible so as to improve the aesthetics of the appliance 1.
  • the display 12 of the projection system 4 may be for example of the LCD type (acronym for the English term Liquid Crystal Display), type VFD (acronym for the English term Vacuum Fluorescent Display), type LCOS (acronym for the English term Liquid Crystal on Silicon), or of the DLP type (acronym for the term Digital Light Processing).
  • LCD liquid crystal Display
  • VFD acronym for the English term Vacuum Fluorescent Display
  • type LCOS acronym for the English term Liquid Crystal on Silicon
  • DLP acronym for the term Digital Light Processing
  • a fixed display 12 makes it possible to project data in the form of a slide.
  • the fixed display 12 comprises a filter constituting an image that can be modulated by the lighting, in particular with the intensity of the light and / or the color.
  • Such a fixed display 12 is simple and inexpensive.
  • said at least one light source is in no way limiting and may be different, and in particular a light bulb.
  • said at least one display 12 in particular in the case of a VFD-type display, comprises said at least one light source 13 so that said at least one display 12 emits light and performs a optical valve as previously described.
  • the projection system 4 also comprises at least one projection lens 15 so as to enlarge the size of the projected data on the projection surface 5 at the output of said at least one display 12.
  • said at least one projection lens 15 makes it possible to enlarge the size of the projected image on the projection surface 5 with respect to the image at the output of the display 12, for example by a factor of 10.
  • the projection system 4 is spaced from the projection surface 5 constituted by the rear face 6 of the control panel 7 by a distance of between 200 mm and 500 mm.
  • the rear face 6 of the control panel 7 is covered with a reflection film of the light rays coming from outside the appliance so as to block the passage of these light rays through said control panel 7.
  • the control panel 7 covered with a reflection film on its rear face 6 is opaque and does not let light into the interior of the appliance so as not to not visualize organs of it from the outside.
  • the reflection film constitutes a support on which the image of the data projected by the projection system 4 can be created.
  • the reflection film is made by a screen printing layer.
  • the data projected by the projection system 4 is visible from the outside of the appliance through the screen printing layer by defining a degree of transparency by the pigments of the screen printing layer and / or by the thickness of the screen. silkscreen layer.
  • the reflection film is made by a frosting of the rear face 6 of the control panel 7, where said control panel 7 is made of glass.
  • the reflection film is made by adding a film consisting of glass microbeads or light-reflective glass micro-prisms.
  • the reflection film or a surface of this reflection film is provided with glass microbeads or glass micro-prisms. At least a portion of the light from the projection system 4 is intercepted by the reflection film and diffused on the surface of the glass microbeads or glass micro-prisms so that the projected image becomes visible.
  • reflection film is in no way limiting and may be different.
  • control panel 7 comprises control members 10, in particular a flexible printed circuit
  • the flexible printed circuit is pressed against the control panel 7 and then the reflection film is pressed against the flexible printed circuit.
  • the reflection film can be glued on the rear face 6 of the control panel 7 or on the flexible printed circuit.
  • the reflection film can also be integrated into the flexible printed circuit, in particular by depositing the layer of the printed circuit on the reflection film.
  • the walls of the appliance bodywork around the projection system 4 are black in color so as to minimize light reflection within said appliance and optimize the sharpness of the projected image on the projection surface 5.
  • the projection system 4 comprises an opaque device for reducing the section of the luminous flux (not shown) situated at the level of the said at least one projection lens 15 so that the projected data on the rear face 6 of the control panel 7 are clear.
  • the opaque section reduction device of the luminous flux makes it possible to produce a diaphragm.
  • the sharpness range is thus dimensioned to the fairest so as to cover the mechanical dispersion range of positioning of the projection system 4 with respect to the projection surface 5 constituted by the rear face 6 of the control panel 7, while optimizing the light output of the display device 3.
  • the projection system 4 is protected from the external environment of the appliance, shocks may occur during transport of the appliance.
  • the projection system 4 is fixed on a wall 16 of a cooling duct 17 of the appliance.
  • the projection system 4 is cooled by the passage of an air flow F through the cooling duct 17 of the appliance.
  • the flow of air F circulating in the cooling duct 17 may be implemented by natural convection or by forced convection, in particular by means of a fan 18.
  • the projection system 4 can be mounted on vibration reduction elements to limit the vibrations generated by the operation of the appliance so as to ensure the positioning and sharpness of the image projected by the projection system 4 on the projection surface 5.
  • the projection system 4 is positioned in a cooling air flow G of the appliance.
  • This air flow G flows from an air inlet opening 20 to an air outlet opening 21 by means of a fan 18.
  • the air inlet opening 20 is preferably located near the control panel 7 and in a wall of the body of the appliance.
  • the air flow G is sucked by the fan 18 and discharged through the ventilation duct 17 so as to form the flow of air F.
  • the air flow F is discharged outside the appliance through an air outlet opening 21 formed in the body of said appliance, preferably front end 9 thereof.
  • the projection system 4 projects the data directly from the projection system 4 onto the rear face 6 of the control panel 7.
  • the direct projection of the data from the projection system 4 onto the rear face 6 of the control panel 7 also makes it possible to reduce the cost of obtaining the display device 3.
  • control unit 11 cooperating with the control means 10 of the control panel 7 is arranged outside the projection field of the data on the control panel. projection surface 5.
  • the projection system 4 indirectly projects the data from the projection system 4 onto the rear face 6 of the control panel 7 by means of at least one deflection means 22.

Abstract

The appliance (1) has a display system (3) with a projection system (4) and a projection surface (5), where the projection system projects data e.g. power parameter, associated to a heating element of the appliance on the projection surface constituted by a rear face (6) of a control panel (7). The projection system is arranged at interior of a body of the appliance, where the projection system comprises a light source (13) e.g. LED. The control panel is placed in an upper part of the appliance.

Description

La prƩsente invention concerne un appareil ƩlectromƩnager comprenant un dispositif d'affichage, dans lequel sont affichƩes des donnƩes sur des Ʃtats de fonctionnement et/ou des donnƩes appelƩes par un utilisateur.The present invention relates to an appliance comprising a display device, in which data are displayed on operating states and / or data called by a user.

De maniĆØre gĆ©nĆ©rale, elle concerne un appareil Ć©lectromĆ©nager ayant un panneau de commande se prĆ©sentant sous la forme d'une surface lisse de sorte Ć  afficher des donnĆ©es.In general, it relates to a household appliance having a control panel in the form of a smooth surface so as to display data.

De maniĆØre classique, un tel panneau de commande comprend soit un afficheur graphique, soit un ou plusieurs afficheurs sept segments, soit une pluralitĆ© de voyants pouvant ĆŖtre rĆ©alisĆ©s par exemple avec des diodes Ć©lectroluminescentes.Conventionally, such a control panel comprises either a graphic display, or one or more seven-segment displays, or a plurality of LEDs that can be made for example with light-emitting diodes.

Ces moyens d'affichage classiques sont disposĆ©s derriĆØre le panneau de commande et Ć  proximitĆ© de celui-ci.These conventional display means are arranged behind the control panel and close to it.

Ces moyens d'affichage classiques sont commandƩs par une unitƩ de commande de l'appareil ƩlectromƩnager de sorte Ơ afficher des donnƩes sur des Ʃtats de fonctionnement et/ou des donnƩes appelƩes par un utilisateur.These conventional display means are controlled by a control unit of the household appliance so as to display data on operating states and / or data called by a user.

Ces donnĆ©es peuvent notamment ĆŖtre un paramĆØtre de puissance associĆ© Ć  un Ć©lĆ©ment chauffant de l'appareil Ć©lectromĆ©nager, un paramĆØtre de durĆ©e associĆ© Ć  une minuterie, un paramĆØtre de tempĆ©rature associĆ© Ć  une sonde de tempĆ©rature disposĆ©e dans l'appareil Ć©lectromĆ©nager, ou encore un paramĆØtre d'humiditĆ© associĆ© Ć  un gĆ©nĆ©rateur de vapeur de l'appareil Ć©lectromĆ©nager.This data may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a parameter humidity associated with a steam generator of the appliance.

Cependant, les moyens d'affichage connus des appareils ƩlectromƩnagers prƩsentent l'inconvƩnient d'afficher des donnƩes sur des surfaces de taille rƩduite.However, the known display means of household appliances have the disadvantage of displaying data on reduced size surfaces.

Par consĆ©quent, la surface totale du panneau de commande visible par l'utilisateur de l'appareil Ć©lectromĆ©nager n'est pas exploitĆ©e de maniĆØre optimisĆ©e.Therefore, the total area of the control panel visible to the user of the appliance is not exploited optimally.

En outre, les afficheurs graphiques d'appareils ƩlectromƩnagers servant Ơ afficher des donnƩes au travers du panneau de commande ont un coƻt augmentant avec la taille de la surface d'affichage desdites donnƩes.In addition, the graphic displays of household appliances used to display data through the control panel have a cost increasing with the size of the display surface of said data.

Par consƩquent, la taille de la surface d'affichage des afficheurs graphiques assemblƩs sur les appareils ƩlectromƩnagers est restreinte de sorte Ơ limiter le coƻt d'obtention de ces appareils ƩlectromƩnagers.Consequently, the size of the display surface of the graphic displays assembled on the household appliances is limited so as to limit the cost of obtaining these appliances.

On connaĆ®t Ć©galement le document DE 10 2004 036 212 A1 qui dĆ©crit un dispositif d'un appareil Ć©lectromĆ©nager ayant une unitĆ© d'affichage. L'unitĆ© d'affichage comprend une unitĆ© de projection qui est prĆ©vue pour projeter la lumiĆØre Ć  un moyen d'affichage de l'unitĆ© d'affichage Ć  l'intĆ©rieur de la porte d'un appareil Ć©lectromĆ©nager, oĆ¹ l'unitĆ© de projection a une unitĆ© de dĆ©viation de la lumiĆØre qui est disposĆ©e dans la porte. Le moyen d'affichage est disposĆ© au-dessous d'une zone de fenĆŖtre de visualisation de la porte et prĆ©sente une surface d'affichage dont l'orientation est diffĆ©rente de celle d'une surface frontale de la porte.The document is also known DE 10 2004 036 212 A1 which describes a device of a household appliance having a display unit. The display unit includes a projection unit which is adapted to project light to display means of the display unit within the door of a household appliance, where the projection unit has a light deflection unit that is arranged in the door. The display means is disposed below a viewing window area of the door and has a display surface whose orientation is different from that of a front surface of the door.

Cependant, ce dispositif d'un appareil Ć©lectromĆ©nager prĆ©sente l'inconvĆ©nient de projeter des donnĆ©es depuis une partie infĆ©rieure de l'appareil Ć©lectromĆ©nager puis au travers de la porte au moyen d'Ć©lĆ©ments de dĆ©viation de la lumiĆØre de sorte que lesdites donnĆ©es soient visibles au travers d'une zone de la fenĆŖtre de visualisation de la porte.However, this device of a household appliance has the disadvantage of projecting data from a lower portion of the appliance and then through the door by means of light deflection elements so that said data is visible at through an area of the door viewing window.

En outre, le moyen d'affichage et l'unitĆ© de dĆ©viation sont disposĆ©s Ć  l'intĆ©rieur de la porte oĆ¹ une tempĆ©rature est Ć©levĆ©e, notamment dans le cas oĆ¹ l'appareil Ć©lectromĆ©nager est un four de cuisson.In addition, the display means and the deflection unit are arranged inside the door where a temperature is high, especially in the case where the appliance is a cooking oven.

Par consĆ©quent, l'implantation de l'unitĆ© d'affichage au moins en partie Ć  l'intĆ©rieur de la porte nĆ©cessite de modifier la circulation d'air Ć  l'intĆ©rieur de ladite porte notamment lorsqu'un systĆØme de ventilation par convection naturelle ou par convection forcĆ©e est prĆ©vu Ć  l'intĆ©rieur de ladite porte.Therefore, the implantation of the display unit at least partially inside the door requires modifying the air flow inside said door, especially when a natural convection ventilation system or by forced convection is provided inside said door.

Une circulation d'air dans la porte provoque l'entraƮnement de salissures et de vapeur d'eau sur le moyen d'affichage pouvant provoquer une rƩduction de la lisibilitƩ des indications fournies par la surface d'affichage.A circulation of air in the door causes the entrainment of dirt and water vapor on the display means that can cause a reduction in the legibility of the indications provided by the display surface.

Un tel dispositif d'un appareil Ć©lectromĆ©nager engendre de modifier la structure de l'appareil Ć©lectromĆ©nager et empĆŖche de standardiser les diffĆ©rents appareils conƧus par un mĆŖme fabricant d'appareils Ć©lectromĆ©nagers comprenant ou non une unitĆ© d'affichage constituĆ©e d'au moins une unitĆ© de projection et d'un moyen d'affichage.Such a device of a household appliance causes to change the structure of the appliance and prevents standardization of different appliances designed by the same manufacturer of household appliances with or without a display unit consisting of at least one unit of projection and display means.

Le positionnement du moyen d'affichage et de l'unitƩ de dƩviation Ơ l'intƩrieur de la porte prƩsente Ʃgalement l'inconvƩnient de rendre complexe le nettoyage du dispositif d'affichage, notamment si le nettoyage de celui-ci nƩcessite le dƩmontage de la porte par l'utilisateur.The positioning of the display means and the deflection unit inside the door also has the disadvantage of making the cleaning of the display device complex, especially if the cleaning thereof requires dismantling of the door. door by the user.

Le nettoyage du dispositif d'affichage est Ć©galement complexe au niveau des charniĆØres de la porte car les salissures s'introduisent au travers d'ouvertures mĆ©nagĆ©es dans la porte pour le passage des charniĆØres, ou sinon des Ć©lĆ©ments de protection sont nĆ©cessaires au niveau de ces ouvertures engendrant un surcoĆ»t pour l'obtention d'un appareil Ć©lectromĆ©nager Ć©quipĆ© d'un tel dispositif d'affichage dans une porte.The cleaning of the display device is also complex at the hinges of the door because the dirt is introduced through openings in the door for the passage of the hinges, otherwise protection elements are necessary at these levels. openings generating an additional cost for obtaining a household appliance equipped with such a display device in a door.

Par ailleurs, la hauteur de la surface d'affichage est limitƩe par l'Ʃcartement entre deux panneaux de verre constituant la porte de l'appareil ƩlectromƩnager lorsque ladite surface d'affichage prƩsente une orientation diffƩrente de celle d'une surface frontale de la porte.Furthermore, the height of the display surface is limited by the spacing between two glass panels constituting the door of the appliance when said display surface has an orientation different from that of a front surface of the door .

La prƩsente invention a pour but de rƩsoudre les inconvƩnients prƩcitƩs, de simplifier un dispositif d'affichage d'un appareil ƩlectromƩnager permettant de projeter des donnƩes sur une surface de projection, et de proposer un appareil ƩlectromƩnager comprenant un dispositif d'affichage permettant de projeter des donnƩes sur une surface de projection de taille maximale.The present invention aims to solve the aforementioned drawbacks, to simplify a display device of a household appliance for projecting data on a projection surface, and to provide a household appliance comprising a display device for projecting data on a projection area of maximum size.

A cet effet, la prĆ©sente invention vise un appareil Ć©lectromĆ©nager comprenant un dispositif d'affichage, dans lequel sont affichĆ©es des donnĆ©es sur des Ć©tats de fonctionnement et/ou des donnĆ©es appelĆ©es par un utilisateur, ledit dispositif d'affichage comportant un systĆØme de projection et une surface de projection intĆ©grĆ©e audit appareil Ć©lectromĆ©nager.For this purpose, the present invention relates to a household appliance comprising a display device, in which are displayed data on operating states and / or data called by a user, said display device having a projection system and a projection surface integrated with said appliance.

Selon l'invention, ledit systĆØme de projection projette lesdites donnĆ©es sur ladite surface de projection constituĆ©e par une face arriĆØre d'un panneau de commande.According to the invention, said projection system projects said data onto said projection surface constituted by a rear face of a control panel.

Ainsi, grĆ¢ce Ć  la projection de donnĆ©es sur la face arriĆØre du panneau de commande, le dispositif d'affichage de l'appareil Ć©lectromĆ©nager selon l'invention permet de projeter des donnĆ©es sur une surface de projection de taille maximale.Thus, thanks to the projection of data on the rear face of the control panel, the display device of the appliance according to the invention makes it possible to project data on a projection surface of maximum size.

Le dispositif d'affichage de l'appareil Ć©lectromĆ©nager selon l'invention permet de projeter des donnĆ©es, visibles par l'utilisateur, depuis l'intĆ©rieur de l'appareil Ć©lectromĆ©nager sur la face arriĆØre du panneau de commande de sorte Ć  remplacer des moyens d'affichage classiques.The display device of the appliance according to the invention makes it possible to project data, visible to the user, from inside the household appliance on the rear face of the control panel so as to replace the control means. Classic display.

Un tel dispositif d'affichage permet de projeter des donnƩes sur une surface de projection de grande dimension Ơ un coƻt infƩrieur de celui d'un afficheur graphique couvrant une surface d'affichage de dimension Ʃquivalente.Such a display device makes it possible to project data on a large projection surface at a lower cost than that of a graphic display covering a display area of equivalent size.

Un dispositif d'affichage conforme Ơ l'invention permet de projeter des donnƩes sur une surface de projection de grande dimension de sorte Ơ amƩliorer la visibilitƩ Ơ distance des donnƩes projetƩes.A display device according to the invention makes it possible to project data on a large projection surface so as to improve the remote visibility of the projected data.

Un tel dispositif d'affichage permet Ć  l'utilisateur de visualiser de prĆØs ou Ć  distance les donnĆ©es projetĆ©es de sorte Ć  connaĆ®tre l'Ć©tat de fonctionnement de l'appareil Ć©lectromĆ©nager ou encore de suivre un cycle de fonctionnement par l'intermĆ©diaire des donnĆ©es projetĆ©es sur la surface de projection constituĆ©e par la face arriĆØre du panneau de commande dudit appareil Ć©lectromĆ©nager tout en Ć©tant occupĆ© Ć  d'autres activitĆ©s.Such a display device allows the user to view closely or remotely the projected data so as to know the operating status of the appliance or to follow a cycle of operation through the projected data on the projection surface formed by the rear face of the control panel of said appliance while being occupied with other activities.

La grande dimension de la surface de projection constituĆ©e par la face arriĆØre du panneau de commande de l'appareil Ć©lectromĆ©nager permet Ć©galement de pouvoir personnaliser l'affichage de donnĆ©es, de crĆ©er un mode de projection de donnĆ©es pour les mal voyants.The large size of the projection surface formed by the rear panel of the control panel of the appliance also makes it possible to customize the display of data, to create a data projection mode for the visually impaired.

Un tel dispositif d'affichage peut permettre d'amĆ©liorer le contraste des donnĆ©es projetĆ©es sur la surface de projection, d'augmenter la taille des symboles et/ou caractĆØres projetĆ©s par rapport Ć  l'affichage rĆ©alisĆ© par un afficheur classique.Such a display device can make it possible to improve the contrast of the projected data on the projection surface, to increase the size of the symbols and / or characters projected compared with the display made by a conventional display.

En outre, un dispositif d'affichage conforme Ơ l'invention permet d'Ʃlargir l'angle de vision des donnƩes projetƩes, en particulier horizontalement et/ou verticalement, par rapport Ơ l'affichage rƩalisƩ par un afficheur classique.In addition, a display device according to the invention makes it possible to widen the viewing angle of the projected data, in particular horizontally and / or vertically, with respect to the display made by a conventional display.

De cette maniĆØre, des dispositifs d'orientation du panneau de commande peuvent ĆŖtre Ć©vitĆ©s et l'appareil Ć©lectromĆ©nager peut ĆŖtre positionnĆ© Ć  des hauteurs variables tout en garantissant une visualisation nette des donnĆ©es projetĆ©es sur la surface de projection.In this way, control panel orientation devices can be avoided and the appliance can be positioned at varying heights while ensuring clear visualization of the projected data on the surface of the control panel. projection.

Par ailleurs, un appareil Ć©lectromĆ©nager comprenant un dispositif d'affichage conforme Ć  l'invention oĆ¹ les donnĆ©es sont projetĆ©es sur la face arriĆØre du panneau de commande peut ĆŖtre adaptĆ© Ć  recevoir des moyens d'affichage classiques au niveau de la surface de projection du panneau de commande de sorte qu'un fabricant d'appareil Ć©lectromĆ©nager puisse produire des appareils Ć©lectromĆ©nagers ayant une mĆŖme structure adaptĆ©e Ć  recevoir un systĆØme de projection selon l'invention et/ou des moyens d'affichage classiques.Furthermore, an appliance comprising a display device according to the invention where the data is projected on the rear face of the control panel can be adapted to receive conventional display means at the projection surface of the panel so that an appliance manufacturer can produce household appliances having the same structure adapted to receive a projection system according to the invention and / or conventional display means.

De cette maniĆØre, les appareils Ć©lectromĆ©nager produits par un mĆŖme fabricant peuvent avoir une structure standardisĆ©e de sorte Ć  recevoir soit un systĆØme de projection projetant des donnĆ©es sur une surface de projection constituĆ©e par une face arriĆØre du panneau de commande, soit des moyens d'affichage classiques au niveau de la surface de projection du panneau de commande, soit la combinaison d'un systĆØme de projection projetant des donnĆ©es sur une surface de projection constituĆ©e par une face arriĆØre du panneau de commande avec des moyens d'affichage classiques au niveau de la surface de projection du panneau de commande.In this way, household appliances produced by the same manufacturer may have a standardized structure so as to receive either a projection system projecting data on a projection surface constituted by a rear face of the control panel, or display means conventional at the projection surface of the control panel, or the combination of a projection system projecting data on a projection surface formed by a rear panel of the control panel with conventional display means at the level of the projection surface of the control panel.

Selon une caractƩristique avantageuse de l'invention, ledit panneau de commande comprend des organes de commande coopƩrant avec une unitƩ de commande dudit appareil ƩlectromƩnager.According to an advantageous characteristic of the invention, said control panel comprises control members cooperating with a control unit of said appliance.

Ainsi, les organes de commande du panneau de commande sont situƩs Ơ proximitƩ et/ou Ơ l'intƩrieur de la surface de projection des donnƩes de sorte Ơ faciliter les commandes de l'appareil ƩlectromƩnager par l'utilisateur.Thus, the control members of the control panel are located near and / or within the projection surface of the data so as to facilitate the control of the appliance by the user.

D'autres particularitĆ©s et avantages de l'invention apparaĆ®tront encore dans la description ci-aprĆØs.Other features and advantages of the invention will become apparent in the description below.

Aux dessins annexƩs, donnƩs Ơ titre d'exemples non limitatifs:

  • la figure 1 est une vue Ć©corchĆ©e en perspective d'un appareil Ć©lectromĆ©nager conforme Ć  un premier mode de rĆ©alisation de l'invention ;
  • la figure 2 est une vue de dessus de la figure 1 ;
  • la figure 3 est une vue de cĆ“tĆ© de la figure 1, oĆ¹ les parois de cĆ“tĆ© ayant Ć©tĆ© Ć“tĆ©es ;
  • la figure 4 est une vue de face de la figure 1 ;
  • la figure 5 est une vue de dessus d'un appareil Ć©lectromĆ©nager conforme Ć  un deuxiĆØme mode de rĆ©alisation de l'invention ; et
  • la figure 6 est une vue schĆ©matique d'un dispositif d'affichage conforme Ć  un mode de rĆ©alisation de l'invention.
In the accompanying drawings, given as non-limiting examples:
  • the figure 1 is a broken perspective view of an appliance according to a first embodiment of the invention;
  • the figure 2 is a top view of the figure 1 ;
  • the figure 3 is a side view of the figure 1 where side walls have been removed;
  • the figure 4 is a front view of the figure 1 ;
  • the figure 5 is a top view of an appliance according to a second embodiment of the invention; and
  • the figure 6 is a schematic view of a display device according to an embodiment of the invention.

On va dƩcrire tout d'abord en rƩfƩrence aux figures 1 Ơ 4 un premier mode de rƩalisation selon l'invention d'un appareil ƩlectromƩnager.We will first describe with reference to Figures 1 to 4 a first embodiment according to the invention of a household appliance.

Ici et de maniĆØre nullement limitative, l'appareil Ć©lectromĆ©nager est un four de cuisson 1 comprenant une cavitĆ© de cuisson 2.Here and in no way limiting, the appliance is a cooking oven 1 comprising a cooking cavity 2.

A titre d'exemple non limitatif, la cavitĆ© de cuisson 2 peut ĆŖtre chauffĆ©e par deux Ć©lĆ©ments chauffant Ć©lectriques. Bien entendu, le nombre d'Ć©lĆ©ments chauffant et le type de moyens de chauffage peuvent ĆŖtre diffĆ©rents.By way of non-limiting example, the cooking cavity 2 can be heated by two electric heating elements. Of course, the number of heating elements and the type of heating means may be different.

De mĆŖme, l'invention n'est pas limitĆ©e Ć  un four de cuisson mais s'applique Ć  tout type d'appareil Ć©lectromĆ©nager prĆ©sentant un dispositif d'affichage pour la commande de donnĆ©es, et notamment une table de cuisson, une cuisiniĆØre.Similarly, the invention is not limited to a cooking oven but applies to any type of appliance having a display device for controlling data, including a hob, a stove.

Elle peut Ć©galement s'appliquer Ć  des appareils de lavage, du type lave-linge, sĆØche-linge ou lave-vaisselle, ou Ć  des appareils de rĆ©frigĆ©ration, du type rĆ©frigĆ©rateur ou congĆ©lateur.It can also be applied to washing machines, such as washing machines, dryers or dishwashers, or to refrigerating appliances, such as a refrigerator or freezer.

Comme bien illustrƩ aux figures 1 Ơ 4, le four de cuisson 1 comprend un dispositif d'affichage 3, dans lequel sont affichƩes des donnƩes sur des Ʃtats de fonctionnement et/ou des donnƩes appelƩes par un utilisateur.As well illustrated at Figures 1 to 4 , the baking oven 1 comprises a display device 3, in which are displayed data on operating states and / or data called by a user.

Le dispositif d'affichage 3 comporte un systĆØme de projection 4 et une surface de projection 5 intĆ©grĆ©e au four de cuisson 1.The display device 3 comprises a projection system 4 and a projection surface 5 integrated in the baking oven 1.

Le systĆØme de projection 4 projette les donnĆ©es sur la surface de projection 5 constituĆ©e par une face arriĆØre 6 d'un panneau de commande 7.The projection system 4 projects the data onto the projection surface 5 constituted by a rear face 6 of a control panel 7.

Ainsi, grĆ¢ce Ć  la projection de donnĆ©es sur la face arriĆØre 6 du panneau de commande 7, le dispositif d'affichage 3 du four de cuisson 1 permet de projeter des donnĆ©es sur une surface de projection 5 de taille maximale.Thus, by the projection of data on the rear face 6 of the control panel 7, the display device 3 of the baking oven 1 can project data on a projection surface 5 of maximum size.

Le dispositif d'affichage 3 du four de cuisson 1 permet de projeter des donnĆ©es, visibles par l'utilisateur, depuis l'intĆ©rieur du four de cuisson 1 sur la face arriĆØre 6 du panneau de commande 7 de sorte Ć  remplacer des moyens d'affichage classiques.The display device 3 of the baking oven 1 makes it possible to project data, visible to the user, from the inside of the baking oven 1 on the rear face 6 of the control panel 7 so as to replace the means of baking. classic display.

Un tel dispositif d'affichage 3 permet de projeter des donnƩes sur une surface de projection 5 de grande dimension Ơ un coƻt infƩrieur de celui d'un afficheur graphique couvrant une surface d'affichage de dimension Ʃquivalente.Such a display device 3 makes it possible to project data onto a large projection surface 5 at a cost lower than that of a graphic display covering a display area of equivalent size.

Le positionnement du systĆØme de projection 4 derriĆØre la face arriĆØre 6 du panneau de commande 7 constituant la surface de projection 5 des donnĆ©es permet de regrouper dans une mĆŖme zone les moyens de commande du four de cuisson 1, notamment une unitĆ© de commande 11, avec ledit systĆØme de projection 4.The positioning of the projection system 4 behind the rear face 6 of the control panel 7 constituting the projection surface 5 of the data makes it possible to group together in the same zone the control means of the cooking oven 1, in particular a control unit 11, with said projection system 4.

De cette maniĆØre, les Ć©lĆ©ments de connexion entre le systĆØme de projection 4 et les moyens de commande sont de longueur rĆ©duite de sorte Ć  minimiser le coĆ»t d'obtention du four de cuisson 1.In this way, the connection elements between the projection system 4 and the control means are of reduced length so as to minimize the cost of obtaining the baking oven 1.

En outre, le systĆØme de projection 4 peut ĆŖtre refroidi par un mĆŖme dispositif de refroidissement que celui des moyens de commande du four de cuisson 1 de sorte Ć  Ć©viter l'ajout d'un dispositif de refroidissement spĆ©cifique audit systĆØme de projection 4.In addition, the projection system 4 can be cooled by the same cooling device as that of the control means of the baking oven 1 so as to avoid the addition of a specific cooling device to said projection system 4.

Le dispositif d'affichage 3 permet de projeter des donnƩes sur une surface de projection 5 de grande dimension de sorte Ơ amƩliorer la visibilitƩ Ơ distance des donnƩes projetƩes.The display device 3 makes it possible to project data on a large projection surface 5 so as to improve the remote visibility of the projected data.

La taille de la surface de projection 5 peut ĆŖtre au maximum sensiblement Ć©gale aux dimensions de la face arriĆØre 6 du panneau de commande 7.The size of the projection surface 5 may be at most substantially equal to the dimensions of the rear face 6 of the control panel 7.

Le dispositif d'affichage 3 permet Ć  l'utilisateur de visualiser de prĆØs ou Ć  distance les donnĆ©es projetĆ©es de sorte Ć  connaĆ®tre l'Ć©tat de fonctionnement du four de cuisson 1 ou encore de suivre un cycle de fonctionnement par l'intermĆ©diaire des donnĆ©es projetĆ©es sur la surface de projection 5 constituĆ©e par la face arriĆØre 6 du panneau de commande 7 dudit four de cuisson 1 tout en Ć©tant occupĆ© Ć  d'autres activitĆ©s.The display device 3 allows the user to view closely or remotely the projected data so as to know the operating state of the cooking oven 1 or to follow a cycle of operation via the projected data. on the projection surface 5 constituted by the rear face 6 of the control panel 7 of said baking oven 1 while being occupied with other activities.

La grande dimension de la surface de projection 5 constituĆ©e par la face arriĆØre 6 du panneau de commande 7 du four de cuisson 1 permet Ć©galement de pouvoir personnaliser l'affichage de donnĆ©es, de crĆ©er un mode de projection de donnĆ©es pour les mal voyants.The large dimension of the projection surface 5 constituted by the rear face 6 of the control panel 7 of the cooking oven 1 also makes it possible to customize the display of data, to create a data projection mode for the visually impaired.

Un tel dispositif d'affichage 3 peut permettre d'amĆ©liorer le contraste des donnĆ©es projetĆ©es sur la surface de projection 5, d'augmenter la taille des symboles et/ou caractĆØres projetĆ©s par rapport Ć  l'affichage rĆ©alisĆ© par un afficheur classique.Such a display device 3 may make it possible to improve the contrast of the projected data on the projection surface 5, to increase the size of the symbols and / or characters projected compared with the display made by a conventional display.

Par ailleurs, le dispositif d'affichage 3 permet d'Ʃlargir l'angle de vision des donnƩes projetƩes, en particulier horizontalement et/ou verticalement, par rapport Ơ l'affichage rƩalisƩ par un afficheur classique.Furthermore, the display device 3 makes it possible to widen the viewing angle of the projected data, in particular horizontally and / or vertically, with respect to the display made by a conventional display.

De cette maniĆØre, des dispositifs d'orientation du panneau de commande 7 peuvent ĆŖtre Ć©vitĆ©s et le four de cuisson 1 peut ĆŖtre positionnĆ© Ć  des hauteurs variables tout en garantissant une visualisation nette des donnĆ©es projetĆ©es sur la surface de projection 5, notamment lorsque le four de cuisson 1 est positionnĆ© au-dessus ou en dessous d'un plan de travail d'une cuisine.In this way, guidance devices of the control panel 7 can be avoided and the baking oven 1 can be positioned at variable heights while ensuring a clear visualization of the projected data on the projection surface 5, especially when the oven 1 is positioned above or below a worktop of a kitchen.

Un four de cuisson 1 comprenant un dispositif d'affichage 3 oĆ¹ les donnĆ©es sont projetĆ©es sur la face arriĆØre 6 du panneau de commande 7 peut ĆŖtre adaptĆ© Ć  recevoir des moyens d'affichage classiques au niveau de la surface de projection 5 du panneau de commande 7 de sorte qu'un fabricant d'appareil Ć©lectromĆ©nager puisse produire des fours de cuisson 1 ayant une mĆŖme structure adaptĆ©e Ć  recevoir un systĆØme de projection 4 et/ou des moyens d'affichage classiques.A cooking oven 1 comprising a display device 3 where the data is projected on the rear face 6 of the control panel 7 can be adapted to receive conventional display means at the projection surface 5 of the control panel 7 so that a household appliance manufacturer can produce cooking ovens 1 having the same structure adapted to receive a projection system 4 and / or conventional display means.

De cette maniĆØre, les fours de cuisson 1 produits par un mĆŖme fabricant peuvent avoir une structure standardisĆ©e de sorte Ć  recevoir soit un systĆØme de projection 4 projetant des donnĆ©es sur une surface de projection 5 constituĆ©e par une face arriĆØre 6 du panneau de commande 7, soit des moyens d'affichage classiques au niveau de la surface de projection 5 du panneau de commande 7, soit la combinaison d'un systĆØme de projection 4 projetant des donnĆ©es sur une surface de projection 5 constituĆ©e par une face arriĆØre 6 du panneau de commande 7 avec des moyens d'affichage classiques au niveau de la surface de projection 5 du panneau de commande 7.In this way, the baking ovens 1 produced by the same manufacturer may have a standardized structure so as to receive either a projection system 4 projecting data on a projection surface 5 constituted by a rear face 6 of the control panel 7, either conventional display means at the projection surface 5 of the control panel 7, or the combination of a projection system 4 projecting data on a projection surface 5 constituted by a rear panel 6 of the control panel 7 with conventional display means at the projection surface 5 of the control panel 7.

Les donnĆ©es projetĆ©es par le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 peuvent notamment ĆŖtre un paramĆØtre de puissance associĆ© Ć  un Ć©lĆ©ment chauffant de l'appareil Ć©lectromĆ©nager, un paramĆØtre de durĆ©e associĆ© Ć  une minuterie, un paramĆØtre de tempĆ©rature associĆ© Ć  une sonde de tempĆ©rature disposĆ©e dans l'appareil Ć©lectromĆ©nager, ou encore un paramĆØtre d'humiditĆ© associĆ© Ć  un gĆ©nĆ©rateur de vapeur de l'appareil Ć©lectromĆ©nager.The data projected by the projection system 4 on the rear face 6 of the control panel 7 may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a humidity parameter associated with a steam generator of the appliance.

Ces donnĆ©es projetĆ©es peuvent ĆŖtre Ć©galement des modes de rĆ©glage de l'appareil Ć©lectromĆ©nager, des recettes de cuisson, des informations gĆ©nĆ©rales sur le fonctionnement du four de cuisson 1, des programmes de cuisson du four de cuisson 1 ou encore des conseils concernant l'utilisation du four de cuisson 1.This projected data can also be appliance adjustment modes, cooking recipes, general information on the operation of the baking oven 1, cooking programs of the baking oven 1 or advice on the use of the baking oven 1.

Bien entendu, les donnĆ©es projetĆ©es par le systĆØme de projection ne sont nullement limitatives et peuvent ĆŖtre variĆ©es.Of course, the data projected by the projection system are in no way limiting and can be varied.

Les donnĆ©es projetĆ©es par le systĆØme de projection 4 sur la surface de projection 5 constituĆ©e par une face arriĆØre 6 du panneau de commande 7 peuvent ĆŖtre modulĆ©es suivant le fonctionnement du four de cuisson 1 de sorte Ć  crĆ©er des informations contextuelles.The data projected by the projection system 4 on the projection surface 5 constituted by a rear face 6 of the control panel 7 can be modulated according to the operation of the baking oven 1 so as to create contextual information.

De cette maniĆØre, des donnĆ©es non utiles peuvent ĆŖtre masquĆ©es Ć  certains instants donnĆ©s, ou encore une mĆŖme zone de la surface de projection 5 peut permettre d'afficher alternativement des donnĆ©es diffĆ©rentes.In this way, non-useful data can be masked at certain given times, or a same area of the projection surface 5 can be used to alternately display different data.

Le panneau de commande 7 est placƩ de prƩfƩrence en partie supƩrieure du four de cuisson 1 et au dessus d'une porte 8 obturant une ouverture de chargement et de dƩchargement d'une cavitƩ de cuisson 2.The control panel 7 is preferably placed in the upper part of the cooking oven 1 and above a door 8 closing an opening for loading and unloading a cooking cavity 2.

Dans un autre mode de rƩalisation, le panneau de commande 7 est placƩ en partie supƩrieure du four de cuisson 1 et recouvert par un panneau de la porte 8, notamment un panneau extƩrieur en verre.In another embodiment, the control panel 7 is placed in the upper part of the baking oven 1 and covered by a panel of the door 8, in particular an outer glass panel.

De cette maniĆØre, le four de cuisson 1 comporte une face frontale 9 en une seule partie rĆ©alisĆ©e par un panneau extĆ©rieur de la porte 8 de sorte Ć  intĆ©grer visuellement le panneau de commande 7 et ladite porte 8 dans une mĆŖme unitĆ© bien que ceux-ci soient sĆ©parĆ©s physiquement. La porte 8 peut ainsi ĆŖtre ouverte et fermĆ©e par rapport Ć  l'ouverture de la cavitĆ© de cuisson 2 tandis que le panneau de commande 7 est maintenu fixe.In this way, the baking oven 1 has a front face 9 in one part made by an outer panel of the door 8 so as to visually integrate the control panel 7 and said door 8 in the same unit although these be physically separated. The door 8 can thus be opened and closed relative to the opening of the cooking cavity 2 while the control panel 7 is held fixed.

Le panneau de commande 7 est disposƩ de prƩfƩrence suivant la largeur du four de cuisson 1.The control panel 7 is preferably arranged along the width of the baking oven 1.

Lorsque l'appareil Ć©lectromĆ©nager prĆ©sente une face frontale 9, ce dispositif d'affichage 3 peut ĆŖtre placĆ© derriĆØre cette face frontale 9 de l'appareil Ć©lectromĆ©nager.When the appliance has a front face 9, this display device 3 can be placed behind the front face 9 of the appliance.

Lorsque l'appareil Ć©lectromĆ©nager est un four de cuisson 1, le panneau de commande 7 est rĆ©alisĆ© au moyen d'une surface de verre, typiquement par une plaque en verre. Le dispositif d'affichage 3 est placĆ© derriĆØre cette plaque de verre.When the appliance is a cooking oven 1, the control panel 7 is made by means of a glass surface, typically by a glass plate. The display device 3 is placed behind this glass plate.

Bien entendu, la matiĆØre du panneau de commande n'est nullement limitative et peut ĆŖtre diffĆ©rente, et notamment rĆ©alisĆ© dans un matĆ©riau plastique.Of course, the material of the control panel is in no way limiting and may be different, and in particular made of a plastic material.

Avantageusement, le panneau de commande 7 comprend des organes de commande 10 coopƩrant avec une unitƩ de commande 11 de l'appareil ƩlectromƩnager.Advantageously, the control panel 7 comprises control members 10 cooperating with a control unit 11 of the household appliance.

Ainsi, les organes de commande 10 du panneau de commande 7 sont situƩs Ơ proximitƩ et/ou Ơ l'intƩrieur de la surface de projection 5 des donnƩes de sorte Ơ faciliter les commandes de l'appareil ƩlectromƩnager par l'utilisateur.Thus, the control members 10 of the control panel 7 are located near and / or within the projection surface 5 of the data so as to facilitate the control of the appliance by the user.

Les organes de commande 10 du panneau de commande 7 peuvent ĆŖtre par exemple des boutons de commande notamment du type rotatif, poussoir, ou des touches sensitives notamment du type capacitive, ou des touches optiques, ou des Ć©lĆ©ments de dĆ©tection acoustique.The control members 10 of the control panel 7 may for example be control buttons including the rotary type, push, or sensitive keys including the capacitive type, or optical keys, or acoustic detection elements.

Bien entendu, les organes de commande du panneau de commande ne sont nullement limitatifs et peuvent ĆŖtre variĆ©s.Of course, the controls of the control panel are not limiting and can be varied.

L'appareil Ć©lectromĆ©nager comporte des moyens de commande constituĆ©s par au moins une carte Ć©lectronique. Cette carte Ć©lectronique comprend une unitĆ© de commande 11 apte Ć  mettre en fonctionnement le dispositif d'affichage conforme Ć  l'invention. Ainsi, l'unitĆ© de commande 11 contrĆ“le notamment le systĆØme de projection 4 de sorte Ć  projeter les donnĆ©es sur la face arriĆØre 6 du panneau de commande 7, comme dĆ©crit ultĆ©rieurement.The appliance comprises control means constituted by at least one electronic card. This electronic card comprises a control unit 11 able to put into operation the display device according to the invention. Thus, the control unit 11 controls in particular the projection system 4 so as to project the data on the rear face 6 of the control panel 7, as described later.

Dans un mode de rĆ©alisation prĆ©fĆ©rĆ©, les organes de commande 10 du panneau de commande 7 sont situĆ©s sur la face arriĆØre 6 dudit panneau de commande 7 constituant la surface de projection 5.In a preferred embodiment, the control members 10 of the control panel 7 are located on the rear face 6 of said control panel 7 constituting the projection surface 5.

De cette maniĆØre, les organes de commande 10 sont tactiles et disposĆ©s derriĆØre le panneau de commande 7 de sorte Ć  ne pas ĆŖtre visibles par l'utilisateur.In this way, the control members 10 are tactile and arranged behind the control panel 7 so as not to be visible to the user.

Dans un autre mode de rĆ©alisation, les organes de commande 10 du panneau de commande 7 sont situĆ©s sur une face avant dudit panneau de commande 7 opposĆ©e Ć  la face arriĆØre 6 dudit panneau de commande 7 constituant la surface de projection 5.In another embodiment, the control members 10 of the control panel 7 are located on a front face of said control panel 7 opposite to the rear face 6 of said control panel 7 constituting the projection surface 5.

De cette maniĆØre, les organes de commande 10 sont soit Ć  commander manuellement par pression ou par dĆ©placement, notamment rotatif, ou optique.In this way, the control members 10 are either manually controlled by pressure or displacement, in particular rotary, or optical.

Les organes de commande 10 peuvent ĆŖtre par exemple des touches sensitives du type capacitive, ou des touches optiques, ou des Ć©lĆ©ments de dĆ©tection acoustique.The control members 10 may be, for example, sensory keys of the capacitive type, or optical keys, or acoustic detection elements.

Dans un mode de rĆ©alisation, les organes de commande 10 peuvent ĆŖtre des touches sensitives rĆ©alisĆ©es sur un circuit imprimĆ© flexible. Le panneau de commande 7 peut ĆŖtre rĆ©alisĆ© dans un matĆ©riau non conducteur, tel que par exemple du verre ou du plastique. La face avant du panneau de commande 7 est adaptĆ©e Ć  ĆŖtre mise en contact avec un doigt de l'utilisateur. Le circuit imprimĆ© flexible est adjacent au panneau de commande 7, et en particulier Ć  la face arriĆØre 6 dudit panneau de commande 7.In one embodiment, the control members 10 may be sensitive keys made on a flexible printed circuit. The control panel 7 may be made of a non-conductive material, such as for example glass or glass. plastic. The front face of the control panel 7 is adapted to be placed in contact with a finger of the user. The flexible printed circuit is adjacent to the control panel 7, and in particular to the rear face 6 of said control panel 7.

Le circuit imprimĆ© flexible peut ĆŖtre collĆ© sur la face arriĆØre 6 du panneau de commande 7.The flexible printed circuit board can be glued to the rear face 6 of the control panel 7.

Les touches sensitives du circuit imprimƩ flexible sont prƩfƩrentiellement du type capacitives.The sensitive keys of the flexible printed circuit are preferably of the capacitive type.

Le circuit imprimƩ flexible comporte Ơ au moins une extrƩmitƩ une portion pour la connexion Ʃlectrique avec une carte Ʃlectronique des moyens de commande de l'appareil ƩlectromƩnager. La portion du circuit imprimƩ flexible comprend au moins un connecteur de sorte que ladite connexion Ʃlectrique est prƩvue au travers dudit au moins un connecteur.The flexible printed circuit comprises at least one end a portion for the electrical connection with an electronic card control means of the appliance. The portion of the flexible printed circuit comprises at least one connector such that said electrical connection is provided through said at least one connector.

Le circuit imprimĆ© flexible peut ĆŖtre rĆ©alisĆ© dans un matĆ©riau transparent ou translucide, particuliĆØrement en matiĆØre plastique, avec des pistes faites en matĆ©riau conducteur transparent ou translucide, en particulier en ITO (acronyme du terme anglais Indium Tin Oxide) ou en ATO (acronyme du terme anglais Antimonium Tin Oxide).The flexible printed circuit may be made of a transparent or translucent material, particularly plastic, with tracks made of transparent or translucent conductive material, in particular ITO (Indium Tin Oxide) or ATO (acronym for the term English Antimonium Tin Oxide).

Dans un autre mode de rĆ©alisation, les organes de commande 10 peuvent ĆŖtre des touches sensitives rĆ©alisĆ©es au moyen de cellules optiques.In another embodiment, the control members 10 may be sensitive keys made by means of optical cells.

Ces cellules optiques peuvent fonctionner suivant diffƩrents principes soit en coupant un faisceau lumineux lors du dƩplacement du doigt de l'utilisateur en vis-Ơ-vis d'une cellule optique, soit en positionnant le doigt de l'utilisateur en vis-Ơ-vis d'une cellule optique de sorte qu'un faisceau lumineux Ʃmis par un Ʃmetteur, tel qu'une diode Ʃlectroluminescente Ʃmettrice, soit renvoyƩ par ledit doigt vers un rƩcepteur, tel qu'une diode Ʃlectroluminescente rƩceptrice.These optical cells can operate according to different principles either by cutting a light beam when moving the finger of the user towards an optical cell, or by positioning the finger of the user vis-Ơ-vis an optical cell so that a light beam emitted by a transmitter, such as a light emitting diode, is returned by said finger to a receiver, such as a receiving light emitting diode.

Ces cellules optiques peuvent ĆŖtre soit situĆ©es sur la face arriĆØre 6 du panneau de commande 7 qui est transparent Ć  l'Ć©mission de lumiĆØre de ces cellules optiques, et notamment au rayonnement infrarouge, soit situĆ©es en saillie sur la face avant du panneau de commande 7.These optical cells can be either located on the rear face 6 of the control panel 7 which is transparent to the light emission of these optical cells, and in particular to the infrared radiation, being located projecting on the front face of the control panel 7 .

Dans un autre mode de rĆ©alisation, les organes de commande 10 peuvent ĆŖtre des touches sensitives rĆ©alisĆ©es Ć  partir d'Ć©lĆ©ments de dĆ©tection acoustique oĆ¹ ces Ć©lĆ©ments de dĆ©tection acoustiques permettent de reconnaĆ®tre des ondes acoustiques se propageant dans un objet, notamment le panneau de commande 7, lorsque l'utilisateur le touche. Un impact sur un objet, tel que le panneau de commande 7, produit une sĆ©rie d'ondes acoustiques se diffusant Ć  l'intĆ©rieur du matĆ©riau. Ces ondes acoustiques crĆ©ent une signature acoustique unique et pouvant ĆŖtre caractĆ©ristique de la localisation du point d'impact. Ce phĆ©nomĆØne connu sous le nom de retournement temporel des ondes acoustiques peut ĆŖtre utilisĆ© pour identifier la source des ondes acoustiques Ć©mises et ainsi transformer une surface en un dispositif de commande.In another embodiment, the control members 10 may be sensitive keys made from acoustic detection elements where these acoustic detection elements make it possible to recognize acoustic waves propagating in an object, in particular the control panel 7. when the user touches it. An impact on an object, such as the control panel 7, produces a series of acoustic waves diffusing inside the material. These acoustic waves create a unique acoustic signature that can be characteristic of the location of the point of impact. This phenomenon known as time reversal of acoustic waves can be used to identify the source of acoustic waves emitted and thus transforming a surface into a control device.

Bien entendu, les organes de commande du panneau de commande ne sont nullement limitatifs et peuvent ĆŖtre diffĆ©rents.Of course, the control members of the control panel are in no way limiting and may be different.

Dans un mode de rĆ©alisation, les organes de commande 10 sont positionnĆ©s en dehors de la surface de projection 5 constituĆ©e par la face arriĆØre 6 du panneau de commande 7. Et lesdits organes de commande 10 sont positionnĆ©s sur le panneau de commande 7 de sorte Ć  ĆŖtre Ć  proximitĆ© de cette surface de projection 5 et ne nĆ©cessitent pas de laisser passer la lumiĆØre pour la projection de donnĆ©es sur la surface de projection 5. Les organes de commande 10 peuvent ainsi ĆŖtre des boutons de commande mĆ©caniques notamment du type rotatif, poussoir, ou des touches sensitives non transparentes notamment du type capacitive, ou des touches optiques.In one embodiment, the control members 10 are positioned outside the projection surface 5 constituted by the rear face 6 of the control panel 7. And said control members 10 are positioned on the control panel 7 so as to be close to this projection surface 5 and do not need to let the light for the projection of data on the projection surface 5. The control members 10 can thus be mechanical control buttons including the rotary type, pusher, or non-transparent sensitive keys, in particular of the capacitive type, or optical keys.

Dans un mode de rĆ©alisation, les organes de commande 10 peuvent ĆŖtre disposĆ©s Ć  l'intĆ©rieur d'une poignĆ©e 19 de porte 8 permettant l'ouverture et la fermeture de ladite porte 8.In one embodiment, the control members 10 can be arranged inside a door handle 19 allowing the opening and closing of said door 8.

Ainsi, les organes de commande 10 sont Ơ l'intƩrieur de la poignƩe 19 de la porte 8 et ne prƩsentent pas d'ƩlƩments en saillie de sorte Ơ faciliter le nettoyage de l'appareil ƩlectromƩnager 1.Thus, the control members 10 are inside the handle 19 of the door 8 and do not have protruding elements so as to facilitate the cleaning of the appliance 1.

En outre, ces organes de commande 10 disposĆ©s Ć  l'intĆ©rieur de la poignĆ©e 19 de porte 8, et en particulier sur la face arriĆØre de la poignĆ©e 19, sont peu visibles de sorte Ć  amĆ©liorer l'esthĆ©tique de l'appareil Ć©lectromĆ©nager 1.In addition, these control members 10 disposed inside the door handle 19, and in particular on the rear face of the handle 19, are not very visible so as to improve the aesthetics of the appliance 1.

Les organes de commande 10 disposĆ©es dans la poignĆ©e 19 de porte 8 peuvent ĆŖtre par exemple des cellules optiques, Ć©mettrices et/ou rĆ©ceptrices. Ces cellules optiques sont adaptĆ©es Ć  dĆ©tecter un appui d'un doigt de l'utilisateur sur la face avant de la porte 8 et/ou la face avant du panneau de commande 7.The control members 10 disposed in the door handle 19 may be, for example, optical, transmitting and / or receiving cells. These optical cells are adapted to detect a support of a finger of the user on the front face of the door 8 and / or the front face of the control panel 7.

Ainsi, ces cellules optiques disposƩes dans la poignƩe 19 de porte 8 permettent de rendre tactile la face avant du panneau de commande 7 et/ou la face avant de la porte 8.Thus, these optical cells arranged in the door handle 19 make it possible to make the front face of the control panel 7 and / or the front face of the door 8 touch.

Par ailleurs, le positionnement des cellules optiques Ć  l'intĆ©rieur de la poignĆ©e 19 de porte 8, et en particulier sur la face arriĆØre de la poignĆ©e 19, permet d'Ć©viter des zones d'ombre sur ces cellules optiques pouvant entraĆ®ner un dysfonctionnement de celles-ci.Furthermore, the positioning of the optical cells inside the door handle 19, and in particular on the rear face of the handle 19, makes it possible to avoid shadow areas on these optical cells which can cause a malfunction of them.

On va dĆ©crire Ć  prĆ©sent en rĆ©fĆ©rence Ć  la figure 6 un systĆØme de projection de donnĆ©es conforme Ć  un mode de rĆ©alisation de l'invention.We will now describe with reference to the figure 6 a data projection system according to an embodiment of the invention.

Le systĆØme de projection 4 comprend au moins un afficheur 12.The projection system 4 comprises at least one display 12.

L'afficheur 12 du systĆØme de projection 4 peut ĆŖtre par exemple du type LCD (acronyme du terme anglais Liquid Crystal Display), du type VFD (acronyme du terme anglais Vacuum Fluorescent Display), du type LCOS (acronyme du terme anglais Liquid Crystal on Silicon), ou du type DLP (acronyme du terme anglais Digital Light Processing).The display 12 of the projection system 4 may be for example of the LCD type (acronym for the English term Liquid Crystal Display), type VFD (acronym for the English term Vacuum Fluorescent Display), type LCOS (acronym for the English term Liquid Crystal on Silicon), or of the DLP type (acronym for the term Digital Light Processing).

Ledit au moins un afficheur 12 peut ĆŖtre statique de sorte Ć  projeter une image fixe, ou dynamique en utilisant un modĆØle du type LCD, VFD, LCOS ou DLP, ou encore une combinaison d'une partie statique et d'une partie dynamique.Said at least one display 12 may be static so as to project a still or dynamic image using a model of the LCD, VFD, LCOS or DLP type, or a combination of a static part and a dynamic part.

Dans un autre mode de rĆ©alisation, ledit au moins un afficheur 12 du type fixe est rĆ©alisĆ© au moyen d'au moins un support transparent (non reprĆ©sentĆ©) sur lequel est imprimĆ© une image Ć  projeter sur la face arriĆØre 6 du panneau de commande 7.In another embodiment, said at least one display 12 of the fixed type is produced by means of at least one transparent support (not shown) on which is printed an image to be projected on the rear face 6 of the control panel 7.

Un afficheur 12 fixe permet de projeter des donnĆ©es sous la forme d'une diapositive. L'afficheur 12 fixe comporte un filtre constituant une image pouvant ĆŖtre modulĆ©e par l'Ć©clairage, notamment avec l'intensitĆ© de la lumiĆØre et/ou la couleur. Un tel afficheur 12 fixe est simple et peu onĆ©reux.A fixed display 12 makes it possible to project data in the form of a slide. The fixed display 12 comprises a filter constituting an image that can be modulated by the lighting, in particular with the intensity of the light and / or the color. Such a fixed display 12 is simple and inexpensive.

Un afficheur 12 dynamique permet de projeter des donnĆ©es pouvant ĆŖtre modulĆ©es en fonction d'au moins un paramĆØtre, tel que par exemple par l'affichage ou non d'une donnĆ©e. Un afficheur 12 dynamique permet de projeter des donnĆ©es en fonction de l'Ć©tat de fonctionnement de l'appareil Ć©lectromĆ©nager 1 et/ou de son environnement. Cet afficheur 12 comporte un nombre d'Ć©lĆ©ments dynamiques, notamment des pixels ou des symboles, pouvant ĆŖtre pilotĆ©s en fonction de la dĆ©pendance ou de l'indĆ©pendance desdits Ć©lĆ©ments dynamiques entre eux.A dynamic display 12 makes it possible to project data that can be modulated according to at least one parameter, such as, for example, the display or not of a data item. A dynamic display 12 makes it possible to project data according to the operating state of the appliance 1 and / or its environment. This display 12 comprises a number of dynamic elements, in particular pixels or symbols, which can be controlled according to the dependence or the independence of said dynamic elements between them.

Un afficheur 12 comportant un partie statique et une partie dynamique peut ĆŖtre un afficheur fixe dont certaines parties sont masquĆ©es par un afficheur dynamique simple, tel que par exemple un afficheur du type LCD, de sorte Ć  afficher ou non certaines donnĆ©es.A display 12 comprising a static part and a dynamic part may be a fixed display some parts of which are masked by a simple dynamic display, such as for example an LCD-type display, so as to display or not certain data.

Bien entendu, le type d'afficheur du systĆØme de projection n'est nullement limitatif et peut ĆŖtre diffĆ©rent.Of course, the type of display of the projection system is not limiting and may be different.

Dans un mode de rĆ©alisation, le systĆØme de projection 4 comprend Ć©galement au moins une source de lumiĆØre 13 et au moins une lentille 14, notamment lorsque l'afficheur 12 est du type LCD.In one embodiment, the projection system 4 also comprises at least one light source 13 and at least one lens 14, especially when the display 12 is of the LCD type.

Ladite au moins une source de lumiĆØre 13 est prĆ©fĆ©rentiellement au moins une diode Ć©lectroluminescente.Said at least one light source 13 is preferably at least one light emitting diode.

Bien entendu, ladite au moins une source de lumiĆØre n'est nullement limitative et peut ĆŖtre diffĆ©rente, et notamment une ampoule.Of course, said at least one light source is in no way limiting and may be different, and in particular a light bulb.

Dans ce mode de rĆ©alisation, ledit au moins un afficheur 12 du systĆØme de projection 4 permet de rĆ©aliser une valve optique agissant tel qu'un filtre de sorte Ć  laisser passer la lumiĆØre Ć©mise par ladite au moins une source de lumiĆØre 13 vers la surface de projection 5, ou en dĆ©viant la lumiĆØre Ć©mise par ladite au moins une source de lumiĆØre 13 en dehors de la surface de projection 5.In this embodiment, said at least one display 12 of the projection system 4 makes it possible to produce an optical valve acting such as a filter so as to allow the light emitted by said at least one light source 13 to pass to the surface of the light. projection 5, or by deflecting the light emitted by said at least one light source 13 outside the projection surface 5.

Dans un mode de rĆ©alisation, ledit au moins un afficheur 12, notamment dans le cas d'un afficheur du type VFD, comporte ladite au moins une source de lumiĆØre 13 de sorte que ledit au moins un afficheur 12 Ć©met de la lumiĆØre et rĆ©alise une valve optique telle que dĆ©crite prĆ©cĆ©demment.In one embodiment, said at least one display 12, in particular in the case of a VFD-type display, comprises said at least one light source 13 so that said at least one display 12 emits light and performs a optical valve as previously described.

Ladite au moins une lentille 14 permet de canaliser le flux lumineux sortant de ladite au moins une source de lumineuse 13. Le flux lumineux sortant de ladite au moins une source de lumiĆØre 13 est divergent et ladite au moins une lentille 14 canalise le flux lumineux de maniĆØre sensiblement rectiligne de sorte Ć  illuminer uniquement l'afficheur 12.Said at least one lens 14 can channel the luminous flux exiting from said at least one light source 13. The luminous flux exiting from said at least one light source 13 is divergent and said at least one lens 14 channels the luminous flux of substantially rectilinear manner so as to illuminate only the display 12.

Ladite au moins une lentille 14 peut ĆŖtre une lentille dite de collimation. Ladite au moins une lentille 14 sert de collimateur et permet d'obtenir un faisceau de rayons de lumiĆØre parallĆØles Ć  partir d'au moins une source de lumiĆØre 13 diffuse. Dans ce cas, il s'agit d'une lentille convergente et la source de lumiĆØre est placĆ©e au foyer principal objet de la lentille. Les rayons Ć©mergents sont alors parallĆØles Ć  l'axe optique et entre eux.Said at least one lens 14 may be a so-called collimation lens. Said at least one lens 14 serves as a collimator and makes it possible to obtain a beam of parallel light rays from at least one diffuse light source 13. In this case, it is a converging lens and the light source is placed at the main object focus of the lens. The emerging rays are then parallel to the optical axis and to each other.

Ladite au moins une lentille 14 permet de collecter les rayons lumineux orientĆ©s dans une mauvaise direction depuis ladite au moins une source de lumiĆØre 13 et de les renvoyer dans la direction de la surface de projection 5.Said at least one lens 14 makes it possible to collect the light rays oriented in a wrong direction from said at least one light source 13 and to return them in the direction of the projection surface 5.

Dans un mode de rĆ©alisation de l'invention, le systĆØme de projection 4 comprend Ć©galement au moins une lentille de projection 15 de sorte Ć  agrandir la taille des donnĆ©es projetĆ©es sur la surface de projection 5 en sortie dudit au moins un afficheur 12.In one embodiment of the invention, the projection system 4 also comprises at least one projection lens 15 so as to enlarge the size of the projected data on the projection surface 5 at the output of said at least one display 12.

Ainsi, ladite au moins une lentille de projection 15 permet d'agrandir la taille de l'image projetƩe sur la surface de projection 5 par rapport Ơ l'image en sortie de l'afficheur 12, par exemple d'un facteur 10.Thus, said at least one projection lens 15 makes it possible to enlarge the size of the projected image on the projection surface 5 with respect to the image at the output of the display 12, for example by a factor of 10.

Bien entendu, le facteur d'agrandissement de l'image projetĆ©e sur la surface de projection par rapport Ć  l'image en sortie de l'afficheur n'est nullement limitatif et peut ĆŖtre diffĆ©rent.Of course, the magnification factor of the image projected onto the projection surface relative to the image at the output of the display is in no way limiting and may be different.

PrĆ©fĆ©rentiellement, le systĆØme de projection 4 est espacĆ© de la surface de projection 5 constituĆ©e par la face arriĆØre 6 du panneau de commande 7 d'une distance comprise entre 200mm et 500mm.Preferably, the projection system 4 is spaced from the projection surface 5 constituted by the rear face 6 of the control panel 7 by a distance of between 200 mm and 500 mm.

Ainsi, le systĆØme de projection 4 est disposĆ© Ć  une distance minimale de la surface de projection 5 permettant d'utiliser au moins une lentille de projection 15 au moindre coĆ»t tout en garantissant une luminositĆ© suffisante lors de la projection de donnĆ©es sur la face arriĆØre 6 du panneau de commande 7.Thus, the projection system 4 is arranged at a minimum distance from the projection surface 5 making it possible to use at least one projection lens 15 at the least cost while guaranteeing sufficient brightness during the projection of data on the rear face 6 from the control panel 7.

PrĆ©fĆ©rentiellement, la face arriĆØre 6 du panneau de commande 7 est recouverte d'un film de rĆ©flexion des rayons lumineux provenant de l'extĆ©rieur de l'appareil Ć©lectromĆ©nager de sorte Ć  bloquer le passage de ces rayons lumineux au travers dudit panneau de commande 7.Preferably, the rear face 6 of the control panel 7 is covered with a reflection film of the light rays coming from outside the appliance so as to block the passage of these light rays through said control panel 7.

Ainsi, lorsque le systĆØme de projection 4 est Ć©teint, le panneau de commande 7 recouvert d'un film de rĆ©flexion sur sa face arriĆØre 6 est opaque et ne laisse pas entrer de lumiĆØre vers l'intĆ©rieur de l'appareil Ć©lectromĆ©nager de sorte Ć  ne pas visualiser les organes de celui-ci depuis l'extĆ©rieur.Thus, when the projection system 4 is off, the control panel 7 covered with a reflection film on its rear face 6 is opaque and does not let light into the interior of the appliance so as not to not visualize organs of it from the outside.

En outre, lorsque le systĆØme de projection 4 est allumĆ©, le panneau de commande 7 recouvert d'un film de rĆ©flexion sur sa face arriĆØre 6 laisse passer la lumiĆØre provenant du systĆØme de projection 4 et permet Ć©galement d'amĆ©liorer la nettetĆ© de l'image projetĆ©e par le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7.In addition, when the projection system 4 is lit, the control panel 7 covered with a reflection film on its rear face 6 passes light from the projection system 4 and also improves the sharpness of the image projected by the projection system 4 on the rear face 6 of the control panel 7.

Le film de rĆ©flexion constitue un support sur lequel peut se crĆ©er l'image des donnĆ©es projetĆ©es par le systĆØme de projection 4.The reflection film constitutes a support on which the image of the data projected by the projection system 4 can be created.

Ce film de rƩflexion permet Ʃgalement d'amƩliorer la nettetƩ de l'image projetƩe, la luminositƩ de cette image projetƩe ainsi que le contraste de celle-ci.This reflection film also makes it possible to improve the sharpness of the projected image, the brightness of this projected image as well as the contrast thereof.

Dans un premier mode de rĆ©alisation, le film de rĆ©flexion est rĆ©alisĆ© par une couche de sĆ©rigraphie. Les donnĆ©es projetĆ©es par le systĆØme de projection 4 sont visibles de l'extĆ©rieur de l'appareil Ć©lectromĆ©nager au travers de la couche de sĆ©rigraphie en dĆ©finissant un degrĆ© de transparence par les pigments de la couche de sĆ©rigraphie et/ou par l'Ć©paisseur de la couche de sĆ©rigraphie.In a first embodiment, the reflection film is made by a screen printing layer. The data projected by the projection system 4 is visible from the outside of the appliance through the screen printing layer by defining a degree of transparency by the pigments of the screen printing layer and / or by the thickness of the screen. silkscreen layer.

Dans un deuxiĆØme mode de rĆ©alisation, le film de rĆ©flexion est rĆ©alisĆ© par un dĆ©poli de la face arriĆØre 6 du panneau de commande 7, oĆ¹ ledit panneau de commande 7 est en verre.In a second embodiment, the reflection film is made by a frosting of the rear face 6 of the control panel 7, where said control panel 7 is made of glass.

Dans un troisiĆØme mode de rĆ©alisation, le film de rĆ©flexion est rĆ©alisĆ© par l'ajout d'un film constituĆ© de microbilles de verre ou de micro prismes de verre rĆ©flĆ©chissant la lumiĆØre. Le film de rĆ©flexion ou une surface de ce film de rĆ©flexion est pourvu de microbilles de verre ou de micro prismes de verre. Au moins une partie de la lumiĆØre issue du systĆØme de projection 4 est interceptĆ©e par le film de rĆ©flexion et diffusĆ©e sur la surface des microbilles de verre ou des micro prismes de verre de sorte que l'image projetĆ©e devienne visible.In a third embodiment, the reflection film is made by adding a film consisting of glass microbeads or light-reflective glass micro-prisms. The reflection film or a surface of this reflection film is provided with glass microbeads or glass micro-prisms. At least a portion of the light from the projection system 4 is intercepted by the reflection film and diffused on the surface of the glass microbeads or glass micro-prisms so that the projected image becomes visible.

Bien entendu, le type de film de rĆ©flexion n'est nullement limitatif et peut ĆŖtre diffĆ©rent.Of course, the type of reflection film is in no way limiting and may be different.

Dans un mode de rƩalisation, lorsque le panneau de commande 7 comprend des organes de commande 10, notamment un circuit imprimƩ flexible, le circuit imprimƩ flexible est plaquƩ contre le panneau de commande 7 puis le film de rƩflexion est plaquƩ contre le circuit imprimƩ flexible.In one embodiment, when the control panel 7 comprises control members 10, in particular a flexible printed circuit, the flexible printed circuit is pressed against the control panel 7 and then the reflection film is pressed against the flexible printed circuit.

Le film de rĆ©flexion peut ĆŖtre collĆ© sur la face arriĆØre 6 du panneau de commande 7 ou sur le circuit imprimĆ© flexible.The reflection film can be glued on the rear face 6 of the control panel 7 or on the flexible printed circuit.

Le film de rĆ©flexion peut Ć©galement ĆŖtre intĆ©grĆ© au circuit imprimĆ© flexible, notamment en dĆ©posant la couche du circuit imprimĆ© sur le film de rĆ©flexion.The reflection film can also be integrated into the flexible printed circuit, in particular by depositing the layer of the printed circuit on the reflection film.

Dans un mode de rĆ©alisation de l'invention, les parois de la carrosserie de l'appareil Ć©lectromĆ©nager situĆ©es autour du systĆØme de projection 4 sont de couleur noire de sorte Ć  minimiser la rĆ©flexion de lumiĆØre Ć  l'intĆ©rieur dudit appareil Ć©lectromĆ©nager et Ć  optimiser la nettetĆ© de l'image projetĆ©e sur la surface de projection 5.In one embodiment of the invention, the walls of the appliance bodywork around the projection system 4 are black in color so as to minimize light reflection within said appliance and optimize the sharpness of the projected image on the projection surface 5.

Avantageusement, le systĆØme de projection 4 comprend un dispositif opaque de rĆ©duction de section du flux lumineux (non reprĆ©sentĆ©) situĆ© au niveau de ladite au moins une lentille de projection 15 de sorte que les donnĆ©es projetĆ©es sur la face arriĆØre 6 du panneau de commande 7 sont nettes.Advantageously, the projection system 4 comprises an opaque device for reducing the section of the luminous flux (not shown) situated at the level of the said at least one projection lens 15 so that the projected data on the rear face 6 of the control panel 7 are clear.

Dans ce mode de rƩalisation, le dispositif opaque de rƩduction de section du flux lumineux permet de rƩaliser un diaphragme.In this embodiment, the opaque section reduction device of the luminous flux makes it possible to produce a diaphragm.

La plage de nettetĆ© est ainsi dimensionnĆ©e au plus juste de sorte Ć  couvrir la plage de dispersion mĆ©canique de positionnement du systĆØme de projection 4 par rapport Ć  la surface de projection 5 constituĆ©e par la face arriĆØre 6 du panneau de commande 7, tout en optimisant le rendement lumineux du dispositif d'affichage 3.The sharpness range is thus dimensioned to the fairest so as to cover the mechanical dispersion range of positioning of the projection system 4 with respect to the projection surface 5 constituted by the rear face 6 of the control panel 7, while optimizing the light output of the display device 3.

Le systĆØme de projection 4 est disposĆ© Ć  l'intĆ©rieur d'une carrosserie de l'appareil Ć©lectromĆ©nager.The projection system 4 is disposed within a body of the appliance.

De cette maniĆØre, le systĆØme de projection 4 est protĆ©gĆ© de l'environnement extĆ©rieur Ć  l'appareil Ć©lectromĆ©nager, des chocs pouvant survenir pendant le transport de l'appareil Ć©lectromĆ©nager.In this way, the projection system 4 is protected from the external environment of the appliance, shocks may occur during transport of the appliance.

Dans un mode de rĆ©alisation tel qu'illustrĆ© Ć  la figure 3, le systĆØme de projection 4 est fixĆ© sur une paroi 16 d'un conduit de refroidissement 17 de l'appareil Ć©lectromĆ©nager.In one embodiment as illustrated in figure 3 , the projection system 4 is fixed on a wall 16 of a cooling duct 17 of the appliance.

Ainsi, le systĆØme de projection 4 est refroidi par le passage d'un flux d'air F au travers du conduit de refroidissement 17 de l'appareil Ć©lectromĆ©nager. Le flux d'air F circulant dans la conduite de refroidissement 17 peut ĆŖtre mis en oeuvre par convection naturelle ou par convection forcĆ©e, notamment au moyen d'un ventilateur 18.Thus, the projection system 4 is cooled by the passage of an air flow F through the cooling duct 17 of the appliance. The flow of air F circulating in the cooling duct 17 may be implemented by natural convection or by forced convection, in particular by means of a fan 18.

Le dispositif de refroidissement de l'appareil Ć©lectromĆ©nager permet ainsi de refroidir Ć©galement le systĆØme de projection 4 sans avoir Ć  ajouter un ventilateur de refroidissement dudit systĆØme de projection 4 de sorte Ć  rĆ©duire les coĆ»ts d'obtention dudit appareil Ć©lectromĆ©nager.The cooling device of the household appliance thus allows to also cool the projection system 4 without having to add a cooling fan of said projection system 4 so as to reduce the costs of obtaining said appliance.

La fixation du systĆØme de projection 4 sur la paroi 16 du conduit de refroidissement 17 met en oeuvre des moyens de fixation classiques, par exemple du type par vissage, encliquetage Ć©lastique. Ces moyens de fixation sont bien connus de l'homme du mĆ©tier et n'ont pas besoin d'ĆŖtre dĆ©crits plus en dĆ©tail ici.Fixing the projection system 4 on the wall 16 of the cooling duct 17 implements conventional fastening means, for example of the type by screwing, snap elastic. These attachment means are well known to those skilled in the art and do not need to be described in more detail here.

Par ailleurs, le systĆØme de projection 4 peut ĆŖtre montĆ© sur des Ć©lĆ©ments de rĆ©duction des vibrations pour limiter les vibrations engendrĆ©es par le fonctionnement de l'appareil Ć©lectromĆ©nager de sorte Ć  garantir le positionnement et la nettetĆ© de l'image projetĆ©e par le systĆØme de projection 4 sur la surface de projection 5.Furthermore, the projection system 4 can be mounted on vibration reduction elements to limit the vibrations generated by the operation of the appliance so as to ensure the positioning and sharpness of the image projected by the projection system 4 on the projection surface 5.

Le systĆØme de projection 4 est fixĆ© sur un support, notamment la paroi 16 du conduit de refroidissement 17, par l'intermĆ©diaire des Ć©lĆ©ments de rĆ©duction des vibrations.The projection system 4 is fixed on a support, in particular the wall 16 of the cooling duct 17, via the vibration reduction elements.

Les Ć©lĆ©ments de rĆ©duction des vibrations peuvent ĆŖtre par exemple des Ć©lĆ©ments Ć©lastiques permettant de dĆ©coupler le systĆØme de projection 4 de son support par rapport aux vibrations pouvant ĆŖtre transmises depuis ledit support. Ces Ć©lĆ©ments Ć©lastiques peuvent ĆŖtre des butĆ©es en Ć©lastomĆØre ou en silicone.The vibration reduction elements may be, for example, resilient elements making it possible to decouple the projection system 4 from its support with respect to the vibrations that can be transmitted from said support. These elastic elements may be abutments made of elastomer or silicone.

Ces Ć©lĆ©ments Ć©lastiques permettent Ć©galement de limiter la transmission de chaleur du support du systĆØme de projection 4 vers celui-ci.These elastic elements also make it possible to limit the heat transfer from the support of the projection system 4 towards it.

Dans un autre mode de rĆ©alisation, le systĆØme de projection 4 est couplĆ© de maniĆØre rigide avec le panneau de commande 7.In another embodiment, the projection system 4 is rigidly coupled with the control panel 7.

De cette maniĆØre, les vibrations engendrĆ©es par le fonctionnement de l'appareil Ć©lectromĆ©nager n'affectent pas le rendu de l'image des donnĆ©es projetĆ©es sur la surface de projection 5 puisque le panneau de commande 7 comportant la surface de projection 5 sur sa face arriĆØre 6 vibre dans un mĆŖme mode que le systĆØme de projection 4.In this way, the vibrations generated by the operation of the appliance do not affect the rendering of the image of the projected data on the projection surface 5 since the control panel 7 having the projection surface 5 on its rear side 6 vibrates in the same mode as the projection system 4.

Dans un mode de rĆ©alisation tel qu'illustrĆ© Ć  la figure 3, le systĆØme de projection 4 est positionnĆ© dans un flux d'air G de refroidissement de l'appareil Ć©lectromĆ©nager.In one embodiment as illustrated in figure 3 , the projection system 4 is positioned in a cooling air flow G of the appliance.

Ainsi, le systĆØme de projection 4 est refroidi par le passage d'un flux d'air G circulant Ć  l'intĆ©rieur de la carrosserie de l'appareil Ć©lectromĆ©nager.Thus, the projection system 4 is cooled by the passage of an air flow G flowing inside the body of the appliance.

Ce flux d'air G circule depuis une ouverture d'entrƩe d'air 20 jusqu'Ơ une ouverture de sortie d'air 21 au moyen d'un ventilateur 18. L'ouverture d'entrƩe d'air 20 se situe de prƩfƩrence Ơ proximitƩ du panneau de commande 7 et dans une paroi de la carrosserie de l'appareil ƩlectromƩnager. Le flux d'air G est aspirƩ par le ventilateur 18 et ƩvacuƩ au travers du conduit de ventilation 17 de sorte Ơ former le flux d'air F. Puis le flux d'air F est ƩvacuƩ en dehors de l'appareil ƩlectromƩnager au travers d'une ouverture de sortie d'air 21 mƩnagƩe dans la carrosserie dudit appareil ƩlectromƩnager, de prƩfƩrence en face frontale 9 de celui-ci.This air flow G flows from an air inlet opening 20 to an air outlet opening 21 by means of a fan 18. The air inlet opening 20 is preferably located near the control panel 7 and in a wall of the body of the appliance. The air flow G is sucked by the fan 18 and discharged through the ventilation duct 17 so as to form the flow of air F. Then the air flow F is discharged outside the appliance through an air outlet opening 21 formed in the body of said appliance, preferably front end 9 thereof.

Le flux d'air G permet de refroidir d'une part le systĆØme de projection 4 et d'autre part l'unitĆ© de commande 11 de l'appareil Ć©lectromĆ©nager.The air flow G can cool on the one hand the projection system 4 and on the other hand the control unit 11 of the household appliance.

Lorsque l'appareil ƩlectromƩnager est un four de cuisson 1, l'ouverture de sortie d'air 21 est mƩnagƩe au-dessus de la porte 8 obturant l'ouverture de la cavitƩ de cuisson 2 et en dessous du panneau de commande 7.When the appliance is a cooking oven 1, the air outlet opening 21 is formed above the door 8 closing the opening of the cooking cavity 2 and below the control panel 7.

Dans un mode de rĆ©alisation tel qu'illustrĆ© aux figures 1 Ć  4, le systĆØme de projection 4 projette directement les donnĆ©es depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7.In one embodiment as illustrated in Figures 1 to 4 , the projection system 4 projects the data directly from the projection system 4 onto the rear face 6 of the control panel 7.

Ainsi, les rayons lumineux sortant du systĆØme de projection 4 sont projetĆ©es depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 sans dĆ©viation des rayons lumineux par des moyens de dĆ©viation disposĆ©s entre le systĆØme de projection 4 et la surface de projection 5.Thus, the light rays coming out of the projection system 4 are projected from the projection system 4 onto the rear face 6 of the control panel 7 without deviating light rays by deflection means arranged between the projection system 4 and the surface of the light. projection 5.

De cette maniĆØre, les donnĆ©es projetĆ©es sur la face arriĆØre 6 du panneau de commande 7 proviennent directement du systĆØme de projection 4.In this way, the data projected on the back side 6 of the command 7 come directly from the projection system 4.

La projection directe des donnĆ©es depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 permet de limiter la perte de luminositĆ© du flux lumineux Ć©mis par le systĆØme de projection 4 et de garantir un positionnement plus prĆ©cis de l'image projetĆ©e sur la surface de projection 5.The direct projection of the data from the projection system 4 on the rear face 6 of the control panel 7 makes it possible to limit the loss of luminosity of the luminous flux emitted by the projection system 4 and to guarantee a more precise positioning of the projected image. on the projection surface 5.

La projection directe des donnĆ©es depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 permet Ć©galement de diminuer le coĆ»t d'obtention du dispositif d'affichage 3.The direct projection of the data from the projection system 4 onto the rear face 6 of the control panel 7 also makes it possible to reduce the cost of obtaining the display device 3.

De prĆ©fĆ©rence, lorsque les donnĆ©es sont projetĆ©es directement sur la face arriĆØre 6 du panneau de commande 7, l'unitĆ© de commande 11 coopĆ©rant avec les moyens de commande 10 du panneau de commande 7 est disposĆ©e en dehors du champ de projection des donnĆ©es sur la surface de projection 5.Preferably, when the data is projected directly onto the rear face 6 of the control panel 7, the control unit 11 cooperating with the control means 10 of the control panel 7 is arranged outside the projection field of the data on the control panel. projection surface 5.

Dans un autre mode de rĆ©alisation tel qu'illustrĆ© Ć  la figure 5, le systĆØme de projection 4 projette indirectement les donnĆ©es depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 au moyen d'au moins un moyen de dĆ©viation 22.In another embodiment as illustrated in FIG. figure 5 , the projection system 4 indirectly projects the data from the projection system 4 onto the rear face 6 of the control panel 7 by means of at least one deflection means 22.

Dans ce mode de rĆ©alisation, les Ć©lĆ©ments analogues Ć  ceux dĆ©crits prĆ©cĆ©demment en rĆ©fĆ©rence aux figures 1 Ć  4 portent les mĆŖmes rĆ©fĆ©rences et n'ont pas besoin d'ĆŖtre dĆ©crits Ć  nouveau en dĆ©tails ici.In this embodiment, elements similar to those described above with reference to Figures 1 to 4 have the same references and do not need to be described again in detail here.

Les rayons lumineux sortant du systĆØme de projection 4 sont ainsi projetĆ©s depuis le systĆØme de projection 4 sur la face arriĆØre 6 du panneau de commande 7 avec dĆ©viation des rayons lumineux par au moins un moyen de dĆ©viation 22 disposĆ© entre le systĆØme de projection 4 et la surface de projection 5.The light rays coming out of the projection system 4 are thus projected from the projection system 4 onto the rear face 6 of the control panel 7 with deflection of the light rays by at least one deflection means 22 disposed between the projection system 4 and the projection surface 5.

Ledit au moins un moyen de dƩviation 22 est au moins un miroir et/ou au moins un prisme et/ou au moins une lentille.Said at least one deflection means 22 is at least one mirror and / or at least one prism and / or at least one lens.

GrĆ¢ce Ć  la prĆ©sente invention, le dispositif d'affichage de l'appareil Ć©lectromĆ©nager permet de projeter des donnĆ©es sur une surface de projection de taille maximale.Thanks to the present invention, the display device of the appliance makes it possible to project data onto a projection surface of maximum size.

Bien entendu, la prƩsente invention n'est pas limitƩe aux exemples de rƩalisation dƩcrits prƩcƩdemment.Of course, the present invention is not limited to the embodiments described above.

En particulier, les donnĆ©es projetĆ©es sur la surface de projection peuvent ĆŖtre monochromes ou encore polychromes.In particular, the projected data on the projection surface can be monochrome or polychrome.

Claims (17)

Appareil Ć©lectromĆ©nager (1) comprenant un dispositif d'affichage (3), dans lequel sont affichĆ©es des donnĆ©es sur des Ć©tats de fonctionnement et/ou des donnĆ©es appelĆ©es par un utilisateur, ledit dispositif d'affichage (3) comportant un systĆØme de projection (4) et une surface de projection (5) intĆ©grĆ©e audit appareil Ć©lectromĆ©nager (1), caractĆ©risĆ© en ce que ledit systĆØme de projection (4) projette lesdites donnĆ©es sur ladite surface de projection (5) constituĆ©e par une face arriĆØre (6) d'un panneau de commande (7).Domestic appliance (1) comprising a display device (3), in which data are displayed on operating states and / or data called by a user, said display device (3) having a projection system ( 4) and a projection surface (5) integrated with said appliance (1), characterized in that said projection system (4) projects said data onto said projection surface (5) constituted by a rear face (6) of a control panel (7). Appareil Ć©lectromĆ©nager (1) selon la revendication 1, caractĆ©risĆ© en ce que ledit panneau de commande (7) comprend des organes de commande (10) coopĆ©rant avec une unitĆ© de commande (11) dudit appareil Ć©lectromĆ©nager (1).Domestic appliance (1) according to claim 1, characterized in that said control panel (7) comprises control members (10) cooperating with a control unit (11) of said appliance (1). Appareil Ć©lectromĆ©nager (1) selon la revendication 2, caractĆ©risĆ© en ce que lesdits organes de commande (10) dudit panneau de commande (7) sont situĆ©s sur ladite face arriĆØre (6) dudit panneau de commande (7) constituant ladite surface de projection (5).Domestic appliance (1) according to claim 2, characterized in that said control members (10) of said control panel (7) are located on said rear face (6) of said control panel (7) constituting said projection surface ( 5). Appareil Ć©lectromĆ©nager (1) selon la revendication 2, caractĆ©risĆ© en ce que lesdits organes de commande (10) dudit panneau de commande (7) sont situĆ©s sur une face avant dudit panneau de commande (7) opposĆ©e Ć  ladite face arriĆØre (6) dudit panneau de commande (7) constituant ladite surface de projection (5).Domestic appliance (1) according to claim 2, characterized in that said control members (10) of said control panel (7) are located on a front face of said control panel (7) opposite to said rear face (6) of said control panel (7) constituting said projection surface (5). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  4, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) projette directement lesdites donnĆ©es depuis ledit systĆØme de projection (4) sur ladite face arriĆØre (6) dudit panneau de commande (7).Domestic appliance (1) according to any one of claims 1 to 4, characterized in that said projection system (4) directly projects said data from said projection system (4) on said rear face (6) of said control panel (7). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  4, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) projette indirectement lesdites donnĆ©es depuis ledit systĆØme de projection (4) sur ladite face arriĆØre (6) dudit panneau de commande (7) au moyen d'au moins un moyen de dĆ©viation (22).Domestic appliance (1) according to any one of claims 1 to 4, characterized in that said projection system (4) indirectly projects said data from said projection system (4) on said rear face (6) of said control panel (7) by means of at least one deflection means (22). Appareil Ć©lectromĆ©nager (1) selon la revendication 6, caractĆ©risĆ© en ce que ledit au moins un moyen de dĆ©viation est au moins un miroir et/ou au moins un prisme et/ou au moins une lentille.Domestic appliance (1) according to claim 6, characterized in that said at least one deflection means is at least one mirror and / or at least one prism and / or at least one lens. Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  7, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) est disposĆ© Ć  l'intĆ©rieur d'une carrosserie dudit appareil Ć©lectromĆ©nager (1).Domestic appliance (1) according to any one of claims 1 to 7, characterized in that said projection system (4) is disposed within a body of said appliance (1). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  8, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) est fixĆ© sur une paroi (16) d'un conduit de refroidissement (17) dudit appareil Ć©lectromĆ©nager (1).Domestic appliance (1) according to any one of claims 1 to 8, characterized in that said projection system (4) is fixed on a wall (16) of a cooling duct (17) of said appliance (1) . Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  9, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) est positionnĆ© dans un flux d'air (G) de refroidissement dudit appareil Ć©lectromĆ©nager (1).Domestic appliance (1) according to any one of claims 1 to 9, characterized in that said projection system (4) is positioned in a cooling air flow (G) of said appliance (1). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  10, caractĆ©risĆ© en ce que ladite face arriĆØre (6) dudit panneau de commande (7) est recouverte d'un film de rĆ©flexion des rayons lumineux provenant de l'extĆ©rieur dudit appareil Ć©lectromĆ©nager (1) de sorte Ć  bloquer le passage de ces rayons lumineux au travers dudit panneau de commande (7).Domestic appliance (1) according to any one of claims 1 to 10, characterized in that said rear face (6) of said control panel (7) is covered with a reflection film of the light rays coming from outside said electric appliance (1) so as to block the passage of these light rays through said control panel (7). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  11, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) comprend au moins un afficheur (12).Domestic appliance (1) according to any one of claims 1 to 11, characterized in that said projection system (4) comprises at least one display (12). Appareil Ć©lectromĆ©nager (1) selon la revendication 12, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) comprend Ć©galement au moins une source de lumiĆØre (13) et au moins une lentille (14).Domestic appliance (1) according to claim 12, characterized in that said projection system (4) also comprises at least one light source (13) and at least one lens (14). Appareil Ć©lectromĆ©nager (1) selon la revendication 13, caractĆ©risĆ© en ce que ladite au moins une source de lumiĆØre (13) est au moins une diode Ć©lectroluminescente.Domestic appliance (1) according to claim 13, characterized in that said at least one light source (13) is at least one light emitting diode. Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 12 Ć  14, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) comprend Ć©galement au moins une lentille de projection (15) de sorte Ć  agrandir la taille des donnĆ©es projetĆ©es sur ladite surface de projection (5) en sortie dudit au moins un afficheur (12).Domestic appliance (1) according to any one of claims 12 to 14, characterized in that said projection system (4) also comprises at least one projection lens (15) so as to enlarge the size of the projected data on said surface projection device (5) at the output of said at least one display (12). Appareil Ć©lectromĆ©nager (1) selon la revendication 15, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) comprend un dispositif opaque de rĆ©duction de section du flux lumineux situĆ© au niveau de ladite au moins une lentille de projection (15).Domestic appliance (1) according to claim 15, characterized in that said projection system (4) comprises an opaque section reduction device of the luminous flux located at said at least one projection lens (15). Appareil Ć©lectromĆ©nager (1) selon l'une quelconque des revendications 1 Ć  16, caractĆ©risĆ© en ce que ledit systĆØme de projection (4) est espacĆ© de ladite surface de projection (5) constituĆ©e par ladite face arriĆØre (6) dudit panneau de commande (7) d'une distance comprise entre 200mm et 500mm.Domestic appliance (1) according to any one of claims 1 to 16, characterized in that said projection system (4) is spaced from said projection surface (5) constituted by said rear face (6) of said control panel ( 7) with a distance of between 200mm and 500mm.
EP11000963.6A 2010-02-23 2011-02-07 Household appliance comprising a display device Active EP2362149B1 (en)

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DE102012103684A1 (en) 2012-04-26 2013-10-31 Miele & Cie. Kg Display device i.e. projector, for use in oven, has optic causing deflection for light beams, and comprising light guide elements that influence projection of projection image into review region formed in window
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FR2956726B1 (en) 2012-03-16
EP2362149B1 (en) 2017-05-24

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