EP1995751A2 - Commutateur de commande pour un appareil ménager - Google Patents

Commutateur de commande pour un appareil ménager Download PDF

Info

Publication number
EP1995751A2
EP1995751A2 EP08104051A EP08104051A EP1995751A2 EP 1995751 A2 EP1995751 A2 EP 1995751A2 EP 08104051 A EP08104051 A EP 08104051A EP 08104051 A EP08104051 A EP 08104051A EP 1995751 A2 EP1995751 A2 EP 1995751A2
Authority
EP
European Patent Office
Prior art keywords
light
control switch
switch
cap
knob
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.)
Withdrawn
Application number
EP08104051A
Other languages
German (de)
English (en)
Other versions
EP1995751A3 (fr
Inventor
Andreas Berr
Ola Thune Husa
Gabriel Theodosiou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1995751A2 publication Critical patent/EP1995751A2/fr
Publication of EP1995751A3 publication Critical patent/EP1995751A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/025—Light-emitting indicators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G05G1/105—Details, e.g. of discs, knobs, wheels or handles comprising arrangements for illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H2003/085—Retractable turn knobs, e.g. flush mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/07—Actuators transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/012—Household appliance

Definitions

  • the invention relates to an operating switch for a household appliance, in particular to a rotary switch.
  • control switches especially in rotary switches on household appliances, it is known to provide better visibility of the switch and possibly its current position to provide lighting elements on the control switch, which are lit from behind the front of the housing of the household appliance light source from behind and thereby one for the user of the household appliance form visible light indicator.
  • a rotary switch is for example in the DE 198 19 433 C1 described.
  • a visible light-emitting element is formed by a light-sensitive sill associated essentially with the upper half of a rotary knob and uniformly lighting substantially over its length.
  • a disadvantage of this rotary switch is that the lighting element is not easily visible from all directions of the user. In viewing directions, which are directed substantially perpendicularly from above onto the axis of the rotary switch, the user can recognize this indicator. However, it is always necessary here that the user is in the immediate vicinity of the household appliance.
  • Object of the present invention is therefore to provide an operating switch for a household appliance, in which in a simple manner a good visibility of display means, in particular lights, can be guaranteed.
  • the invention is based on the finding that this can be achieved by implementing a plurality of illuminated areas on the operating switch and using the light of a common lighting device to illuminate these areas of the control switch.
  • the object is achieved by an operating switch for a household appliance with a content Erten in a front panel switch knob of at least one luminous element, the one behind the front of the device arranged lighting device is assigned.
  • the operating switch is characterized in that the luminous element is assigned at least one light-guiding element which extends from the luminous element in the direction of the front side of the control switch.
  • an element of the control switch is called, which is supplied directly from a light source of a lighting device with light and this emits due to its material properties and / or geometry as colored light.
  • the luminous element is preferably made of a colored translucent material.
  • the light-emitting element is preferably part of the switch knob, which is held in the front of the housing.
  • the switch knob may have a round cross-section and have a substantially cylindrical shape.
  • the switch knob but may for example have a rectangular cross-section.
  • the illumination device comprises at least one light source. However, more than one light source can also be provided in the illumination device.
  • the light-guiding element serves to forward the light emitted by the light-emitting element.
  • the light-guiding element can be used for transmitting the light up to a region spaced from the luminous element, in particular at one of the ends of the control switch.
  • the forwarding of the light in the light guide is determined by its material and / or geometries.
  • the output of the relayed light is preferably determined by the geometry of the light-transmissive element in the spaced-apart area.
  • At least two illuminated areas can be generated in the control switch by means of a single lighting device, which is preferably arranged behind the front of the household appliance and thus not visible to the user.
  • the illuminated area over the length of the control switch can be spaced apart.
  • the luminous element is arranged at the base of the control switch.
  • the basis of the control switch the area of the control switch is referred to, that in the active position of the control switch, that is, in which this can be operated to settings on the household appliance to be adjacent to the housing front.
  • the region of the light-emitting element which protrudes into the household appliance can also fulfill other functions, such as, for example, guidance of the salaried switch knob. According to the present invention, despite the provision of the light-emitting element in the area of the control switch directly on the front of the device can still be done on other areas of the control switch illumination.
  • the light-guiding element may be adjacent to or adjacent to the luminous element.
  • the at least one light-guiding element is fastened to the luminous element.
  • the attachment can be done by mechanical fasteners. But it is also possible, for example, to use an adhesive connection between the luminous element and the light guide.
  • the luminous element has at least one projection which engages in at least one of the light-guiding elements.
  • a projection on the luminous element which can engage with the Lichteleitelement, in particular with it made recordings for the projection, an attachment of the luminous element to the light guide without additional fastening means, such as screws, allows.
  • the initiation of the light emitted by the luminous element is further promoted by a projection engaging in the light-guiding element on the luminous element.
  • the projection on the luminous element is preferably made of the same material as the luminous element and is preferably designed in one piece with the luminous element.
  • a projection on the luminous element means that the light can also be emitted in other directions.
  • the light-guiding element is a cap which surrounds at least the luminous element.
  • a cap according to the invention a body is referred to, which has a receiving opening for receiving at least a portion of the luminous element.
  • a cap is understood to mean a pot-shaped or cup-shaped body.
  • the cap preferably surrounds only a part of the switch knob, in particular the part which projects beyond the front of the device.
  • the luminous element is a part of the jacket wall of the switch knob and has on the outside on at least partially around the switch knob circumferential rib.
  • the light-emitting element thus represents a light ring.
  • the switch knob formed by the light emitting element.
  • the rib or bead provided on the luminous element detection of the luminous element in the illuminated state is also possible in part from the direction parallel to the axis of the switch knob or the control switch.
  • the rib can serve for fastening a cap to be fastened to the switch knob and for introducing light into such a cap.
  • the light guide may alternatively or additionally represent a head of the switch knob.
  • the head of the switch knob is understood to be a part of the switch knob remote from the base of the control switch, which preferably adjoins an annular lighting element.
  • this switch head is connected to the luminous element, at least a part of the light emitted by the luminous element can also be introduced into these.
  • different illumination ranges can also be generated in this embodiment. Since the lighting element and the switch head are separate parts, they can be made of different materials. For example, the color of the material for the luminous element may differ from that of the switch head and therefore the visual impression of the two areas may be different.
  • the luminous element is made of a colored translucent material
  • the switch head can be made for example of a white or opaque translucent material.
  • this area can also be advantageously used for display.
  • At least one scattering area for scattering and / or refraction of the light conducted in the light-guiding element is preferably provided by the lighting element in the light-guiding element.
  • the scattering or refraction of the light can be present, for example, in the material of the light-guiding element itself over its entire surface. This can be achieved by choosing a cloudy or opaque material.
  • the scattering range for scattering and / or refraction of the light is created by the geometry of the light-guiding element. For example, edge regions of the light-guiding element can be used for this purpose.
  • the scattering can be additionally reinforced by providing bends or radii at the edges of the light-guiding element.
  • the scattering area is formed on the light guide, which represents a cap on the switch knob, in its front region, that is, on the side facing away from the base of the control switch.
  • the light-guiding element consists of transparent material, in particular of colorless, transparent material.
  • the parts of the switch knob located in the cap, in particular the lighting element and the switch head can be visible from the outside and used for display purposes.
  • the cap serves in this case, on the one hand, as a light-guiding element and, on the other hand, as protection of the elements lying in the cap, for example against contamination and damage.
  • Ads the distance existing between a plurality of illuminated areas along the length of the cap stands for Ads, for example, on the switch head available. These can be recognized by the user through the material of the cap.
  • control switch consists of three parts, wherein the lighting element and a first light guide in the form of a control switch head form a common inner part, namely form the switch knob and a second light guide forms a cap which surrounds the switch knob at least partially.
  • the lighting element on the one hand and the cap on the other to create at different positions over the length of the control switch, preferably at the base and the front illuminated areas.
  • the area lying between these areas can be made differently colored, for example, and / or serve to display numbers.
  • the luminous element is preferably made of colored, transparent material in order to be able to more easily recognize the recognizability of the illuminated areas, for example even when the room light is switched on.
  • the light source may consist for example of polycarbonate. In addition to the transparency of the luminous element can be ensured with this material and a simple production.
  • the control switch is preferably a rotary knob, in particular a retractable knob.
  • lighting can also be realized with different lighting areas over the length of the control switch, in particular with different colors, by a single behind the front panel of the household appliance arranged lighting device. This thus hinders the operation, in particular rotation of the control switch and / or its axial movement is not.
  • the light-guiding element which can be used according to the invention can simultaneously perform other functions, such as the cover of the switch knob by the cap or the Display of selected settings can be realized by the switch button, so that the overall structure of the control switch is easy.
  • At least one adjustment indicator can be provided on at least one of the light-guiding elements.
  • this setting indicator may be information on steps that may be printed or otherwise applied to the outside of the switch button.
  • the light-guiding member is the cap of the operation knob
  • one or more reinforcements along each line on the jacket wall of the cap may serve as a setting indicator. In this case, this is preferably provided so that the reinforcement extends to the front of the control switch. Particularly preferably, the reinforcement protrudes into the interior of the cap. In this way, the outside of the cap have a smooth surface and so on the one hand allow easy insight into a switch knob located therein and on the other hand allow easy cleaning of the control switch.
  • FIG. 1 an embodiment of a control switch 1 according to the invention is shown schematically in partial sectional view.
  • the control switch comprises an outer cap 2, as well as an inner part covered by this cap 2 in the front region, which is also referred to below as a switch toggle 3.
  • the switch knob 3 is made at the front of a switch head 4, which has a cup shape and a subsequent to the switch head 4 ring element 5.
  • the front of the control switch 1 the side of the control switch 1 is hereinafter referred to, the front of the device 6, in the Switch knob 3 is supported, facing away and faces the user of the household appliance.
  • the control knob 1 is a retractable knob, which is shown in the position shown in the position in which this protrudes from the front of the device 6. In this position, the end of the cap 2, at which it is open, in the area of the front of the device 6 and is preferably slightly offset relative to the front of the device 6 to the rear.
  • the operating switch 1 can be moved relative to the front of the device 6 so that the front of the cap 2 is flush with the front of the device 6 or at least only slightly protrudes beyond the front of the device 6.
  • the reference numeral 8 of the part of the control switch 1 on the one hand, the sinking of the control switch 1 and the locking of the control switch 1 in the retracted position and the rotation are made possible.
  • the part 8 serves to provide electrical connections of the control switch 1 with contacts or controls (not shown) for the function of the control switch 1 is available.
  • the mechanism retractable control switch for household appliances and the connection with contacts and controls is well known and will therefore not be discussed further here.
  • a lighting device 7 which in the illustrated embodiment, two light sources 71, for example, neon lamps, can comprise. These light sources 71 are only indicated schematically and can be provided and fastened, for example, to a cup in which the switch lever 3 is held.
  • the illumination device 7 serves as a light source for illuminating at least part of the control knob 1. In particular, light is introduced into the ring element 5 of the switch knob 3 from the rear via the light sources 71.
  • the structure of the ring member 5 is in the FIG. 2 shown schematically.
  • the rear part 51 of the ring member 5 is designed so that thereby sinking the Control knob 1 can be realized in the front panel 6.
  • the base portion 52 of the visible in the protruding position control switch 1 connects.
  • a circumferentially extending bead or rib 53 is provided in this base region 52 of the ring member 5. This is opposite to the diameter of the substantially circular ring member 5 laterally over.
  • the bead or rib 53 is adjoined by a cylindrical region 54 of the ring part 5, which merges into a region 55 which tapers slightly in the form of a taper.
  • a mounting portion 56 connects to the attachment of the switch head 4.
  • the fastening region 56 has a smaller diameter than the base 52 of the ring part 5.
  • webs 57 and locking devices 58 in particular locking recesses are provided in this attachment area. These webs 57 and locking devices 58 can be brought into engagement with corresponding elements of the switch head 4 and these two components 4, 5 can be connected to each other.
  • the structure of the switch head 4 is shown schematically in FIGS. 4a and 4b shown.
  • the switch head 4 has a substantially cup or trough shape.
  • grooves 41 and latching hooks 42 and locking lugs are provided on the inside of Ras elements. These interact with the Rasiatan 58 and webs 57 of the ring member 5 and ensure a secure connection of the ring member 5 with the switch head 4.
  • a parallel to the axis of the switch head 4 extending groove 43 is shown on the periphery of the switch head 4. This serves for alignment and connection with the cap 2.
  • the cap 2 is in the FIG. 3 shown schematically.
  • the cap 2 has a cup or tub shape.
  • a rib 22 extending parallel to the axis of the cap is shown, which can engage in the groove 43 provided in the switch head 4.
  • the jacket wall 21 of the cap 2 has a cylindrical region 23 in the region of the open end of the cap 2. This region 23 is followed by a conical region 24, in which the diameter of the cap 2 decreases slightly.
  • the wall thickness of the casing wall 21 increases in this area.
  • a circumferential groove 28 is provided on the inside of the casing wall 21. In this groove, the rib 53 of the ring member 5 engage.
  • the bottom 25 of the cap 2 which forms the front of the control switch 1 in the installed state of the control switch 1, is slightly curved outwardly.
  • 25 radii are provided on the outer edges 26 of the bottom 25 and the inner edge 27 of the bottom.
  • control switch 1 If the control switch 1 is activated, in particular by actuation of the countersinking mechanism from the retracted position out in the protruding position, so is for the observer, as is apparent from FIG. 1 can be seen, only the area of the cap 2 visible. This is made of a transparent material and thus allows the view of the therein switch head 4 and the projecting over the base of the control switch 1 region of the ring member fifth
  • the ring member 5 When illuminated by means of the illumination device 7 from the rear, the ring member 5 will light up, that is, at least partially emit the light introduced from the light source 71 via the conical region 55 and the cylindrical portion 54 of the ring member 5. Also, the bead or rib 53 projecting around the ring part 5 in the vicinity of the base 52 or projecting over it to the sides, consists of the material of the ring part 5 and can thus emit light. Due to the coloring of the ring part 5, the light emitted by the ring part 5 will produce a colored impression. Compared to the switch head 4, which consists for example of white material, the ring member 5, in particular the cylindrical portion 54 and the conical portion 55 thus for the user from the viewing directions Marieecht to the axis of the control switch 1, for example from above, to recognize.
  • the light guided through the ring member 5 can also be introduced into the material of the cap 2. This colored light is passed through the jacket wall 21 of the cap to the bottom 25 of the cap 2 and thus to the front of the control switch 1.
  • FIG. 5 is the visual appearance of a control switch 1 with illuminated ring part shown in a highly schematic.
  • a first illuminated ring 11 is formed at the base of the control switch 1. This is formed by the ring member 5 and the light emitted therefrom by the base of the cap 2 shining light.
  • the hatched area de cap 2 in FIG. 5 will appear red by the light emerging from the ring member 5 for the viewer.
  • FIG. 5 Some of the areas shown are in part not units or elements, but are merely intended to indicate the areas appearing colored by the colored light.
  • This ring 12 appears in the cap 2 and in particular in the edge region 26 of the bottom 25 of the cap. 2
  • the inner part of an inner and outer part operating switch is divided into two elements.
  • one of the inner parts is formed by an element with printed symbols and the other inner part at the base of the control switch by a colored transparent ring element.
  • the outer part, which surrounds the inner part, is a transparent, preferably colorless, cap. Light striking the back of the control switch can pass through the printed area and through the colorless cap through the colored transparent ring element. Therefore, an illuminated ring on the back or base of the control switch as well as an illuminated ring on the front of the control switch can be achieved.
  • the brightness of the lighting concept proposed according to the invention is considerably improved by the existence of two illuminated areas. In addition, this has the advantage that the operation of a household appliance can be clearly recognized, even if the user's line of sight is parallel to the axis of the control switch.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Tumbler Switches (AREA)
EP08104051A 2007-05-25 2008-05-21 Commutateur de commande pour un appareil ménager Withdrawn EP1995751A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007024437A DE102007024437A1 (de) 2007-05-25 2007-05-25 Bedienschalter für ein Haushaltsgerät

Publications (2)

Publication Number Publication Date
EP1995751A2 true EP1995751A2 (fr) 2008-11-26
EP1995751A3 EP1995751A3 (fr) 2010-09-08

Family

ID=39708909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104051A Withdrawn EP1995751A3 (fr) 2007-05-25 2008-05-21 Commutateur de commande pour un appareil ménager

Country Status (2)

Country Link
EP (1) EP1995751A3 (fr)
DE (1) DE102007024437A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014090511A1 (fr) * 2012-12-14 2014-06-19 Arcelik Anonim Sirketi Appareil électroménager comprenant un bouton
US8813676B2 (en) 2010-05-07 2014-08-26 Whirlpool Corporation User interface for a controller
USD863237S1 (en) 2017-09-22 2019-10-15 Whirlpool Corporation Push button knob with illumination capabilities for a laundry treating appliance
US10988881B2 (en) 2017-07-06 2021-04-27 Whirlpool Corporation Fabric cleaning appliance with performance enhancement selector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2976685B1 (fr) * 2011-06-15 2013-11-01 Fagorbrandt Sas Dispositif de commande d'un appareil electromenager

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819433C1 (de) 1998-04-30 1999-09-16 Bosch Siemens Hausgeraete Drehschalter für Haushaltsgeräte

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Publication number Priority date Publication date Assignee Title
DE3345312C2 (de) * 1983-12-14 1986-02-06 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Drehschalter für Hausgeräte mit einem in der Gerätefront axial verschieblich versenkbaren Drehknebel
DE3702291A1 (de) * 1987-01-27 1988-08-04 Buderus Kuechentechnik Vorrichtung zum einstellen der schalter und regelvorrichtungen eines haushaltgeraetes
DE4204499C2 (de) * 1992-02-14 1995-06-14 Imp Werke Gmbh & Co Drehwahlschalter mit Schaltstellenanzeige und Beleuchtung
DE20010428U1 (de) * 2000-06-09 2000-08-17 Mannesmann VDO AG, 60388 Frankfurt Anordnung zur Beleuchtung des Stellknopfes eines Eingabeaggregates mittels Durchlicht
DE10134395B4 (de) * 2001-07-14 2009-11-12 Grundig Multimedia B.V. Dreh-Stelleinrichtung
DE10236935A1 (de) * 2002-08-12 2004-02-26 BSH Bosch und Siemens Hausgeräte GmbH Drehschalter für Haushaltsgeräte
JP4367850B2 (ja) * 2004-09-27 2009-11-18 シチズン電子株式会社 照光式スイッチ
DE102004052572B4 (de) * 2004-10-29 2008-06-12 Electrolux Home Products Corp. N.V. Bedienungseinrichtung für ein Haushaltsgerät

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819433C1 (de) 1998-04-30 1999-09-16 Bosch Siemens Hausgeraete Drehschalter für Haushaltsgeräte

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8813676B2 (en) 2010-05-07 2014-08-26 Whirlpool Corporation User interface for a controller
WO2014090511A1 (fr) * 2012-12-14 2014-06-19 Arcelik Anonim Sirketi Appareil électroménager comprenant un bouton
US10988881B2 (en) 2017-07-06 2021-04-27 Whirlpool Corporation Fabric cleaning appliance with performance enhancement selector
US11725326B2 (en) 2017-07-06 2023-08-15 Whirlpool Corporation Fabric cleaning appliance with performance enhancement selector
USD863237S1 (en) 2017-09-22 2019-10-15 Whirlpool Corporation Push button knob with illumination capabilities for a laundry treating appliance
USD909316S1 (en) 2017-09-22 2021-02-02 Whirlpool Corporation Push button knob with illumination capabilities for a laundry treating appliance
USD980809S1 (en) 2017-09-22 2023-03-14 Whirlpool Corporation Push button knob with illumination capabilities for a laundry treating appliance

Also Published As

Publication number Publication date
EP1995751A3 (fr) 2010-09-08
DE102007024437A1 (de) 2008-11-27

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