EP3551937A1 - Haushaltsgerät, bedienelement für ein haushaltsgerät und verfahren zum steuern eines haushaltsgeräts - Google Patents
Haushaltsgerät, bedienelement für ein haushaltsgerät und verfahren zum steuern eines haushaltsgerätsInfo
- Publication number
- EP3551937A1 EP3551937A1 EP17811490.6A EP17811490A EP3551937A1 EP 3551937 A1 EP3551937 A1 EP 3551937A1 EP 17811490 A EP17811490 A EP 17811490A EP 3551937 A1 EP3551937 A1 EP 3551937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- operating
- household appliance
- operating element
- operating area
- magnetic body
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/086—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination touch control
Definitions
- Household appliance control device for a household appliance and method for controlling a household appliance
- the present invention relates to a domestic appliance, an operating element for a domestic appliance and a method for controlling a household appliance with such a control element.
- Known household appliances such as cooking appliances, have for operation a touch-sensitive input surface, which are equipped, for example, with display elements for displaying an operating mode of the household appliance.
- the advantage of such a control element is, for example, an easy-to-clean surface of the cooking appliance.
- many users prefer to set, for example, a cooking temperature or a cooking time haptic controls, especially rotary knob.
- DE 10 2012 213 693 A1 describes a two-part operating element which can be positioned on such an input surface and whose cap is rotatably mounted in the attached state. After use, the operating element can be removed so that the advantages of the input surface described above are combined with the advantages of a haptic operating element.
- an object of the present invention is to propose a household appliance with an improved control.
- a household appliance with at least one operating area for controlling the household appliance and a control element is proposed.
- the control element is durable on the operating area by means of magnetic force and movable relative to the operating area.
- the operating element can be positioned detachably from the operating area.
- the operating element has an inner element and an outer element.
- the inner member is rotatable relative to the outer member and includes a user interface member and a magnetic body. By the magnetic body, the inner member is alignable by a predetermined magnetic field in its orientation relative to the outer member.
- such a household appliance has the advantage that a plurality of operating areas can be provided on the household appliance, which can be arranged differently, for example, horizontally or vertically, which can each be operated with one operating element.
- the control element allows a haptic user experience. Furthermore, it is ensured that the user interface element of the inner element of the operating element is always correctly aligned by the predetermined magnetic field. Thus, the operation of the household appliance is facilitated overall, which reduces the likelihood of incorrect operation.
- the at least one operating region is preferably a substantially planar partial surface of an outer surface of the domestic appliance.
- a household appliance may each have an operating area on its upper side and / or on its front side.
- the operating area is also preferably integrated in the respective outer surface of the household appliance, so that no disturbing transitions and / or edges between the outer surface and the operating area occur.
- the operating area is set up to control the household appliance.
- the operating area has, for example, input and output elements. These are, for example, buttons, buttons, knobs, sliders and / or touch-sensitive input elements.
- the operating area has output elements which comprise, for example, an LED (light-emitting diode), a segment display and / or an LCD (liquid crystal display).
- the output elements are in particular configured to represent a current operating state of the household appliance.
- the current operating state includes, for example, information on currently used functions, embedded set temperatures and / or performance values, a set cooking time and / or other household appliance related parameters.
- the household appliance has an unspecified control electronics, which is in particular configured to process inputs by means of the operating area, to control the operating area for outputting operating parameters and to control the functional units of the household appliance, such as a stove top and / or a heating coil.
- the operating element is set up in particular for operating the operating area. It has a two-part construction with the inner element and the outer element.
- the inner element is formed as a control element base and the outer element is formed as a control cap, wherein the two elements are connected, for example via a ball bearing and thereby are rotatable relative to each other.
- the control element base preferably has a flat underside, which can be placed on the operating area. The flat surface achieves a large contact surface with the operating area, thus ensuring a secure seat of the operating element on the operating area.
- the control element can be used in particular like a rotary control if it is arranged on the operating area.
- a holding force for the operating member that securely holds the operating member on the operating portion is achieved by a magnetic force between the operating member and the operating portion.
- the operating area for example, a magnetizable material, so that forms a magnetic holding force between the magnetic body of the operating element and the magnetizable material.
- magnetic bodies may also be provided in the operating region, for example in order to increase the magnetic holding force and / or to specify a magnetic field with a specific direction.
- the magnetic body of the operating element is in particular a permanent magnet with a magnetic field which is strong enough to hold the operating element securely on the operating area.
- a magnet has a north pole and a south pole.
- Magnetic field lines are formed between the North Pole and the South Pole. show closed loops.
- the field lines extend, for example, in a magnetic body from the south pole to the north pole and outside the magnetic body from the north pole to the south pole.
- a magnetic field is formally described as a vector field having a particular size and direction at each position.
- the field lines of a magnetic field thereby represent the local direction of the magnetic field, while the strength of the magnetic field is given by the number of field lines that run through a certain area.
- a magnetic force acts on the two magnetic bodies in such a way that they try to align themselves along the field lines of the respective other magnetic body.
- a magnet with a magnetic field placed in a given magnetic field has a potential (magnetic) energy which it tries to minimize by aligning along the field lines of the given magnetic field.
- This alignment force is referred to herein as magnetic orientation force.
- the magnetic body of the control will try to align themselves in a given magnetic field, and with it the inner element of the control.
- This orientation of the inner element is in particular relative to the outer element, which is held for example by a user.
- the inner element of the operating element also has a user interface element.
- the user interface element is configured, for example, to display operating parameters of the household appliance and / or to receive user inputs for controlling the household appliance.
- the user interface element may comprise, for example, a touch-sensitive display.
- the at least one operating area and the user interface element of the operating element can be configured as a function of a position of the operating element relative to the operating area.
- This embodiment has the particular advantage that a representation on the operating area and / or on the user interface element can be positionally and concretely compensated. text-dependent can be selected. This ensures, for example, that a display element of the operating area is not covered by the operating element. Furthermore, a number of positions may be provided on the operating area, for example, in a first position the operating element acts as a rotary knob, in a second position the operating element acts as a clock display, and in a third position the operating element acts as a selection button to different To control functions of the household appliance.
- the magnetic body of the operating element is designed as a ring magnet.
- the ring magnet has in particular a diametrical arrangement of its two poles.
- a ring magnet is due to its cylindrically symmetric mass distribution particularly well suited for the control element, such as a rotary knob.
- the control element such as a rotary knob.
- a ring magnet can be reliably oriented in a simple manner by means of a corresponding ring magnet.
- the magnetic body of the operating element is designed as a bar magnet or as a curved bar magnet.
- a bar magnet can also be called a magnet cuboid.
- a curved bar magnet is understood to mean a bar magnet which does not run exactly straight, but for example along a circle radius. In particular, such a curved bar magnet does not have a point-symmetrical contour.
- a curved bar magnet may also be referred to as a magnet segment.
- a plurality of magnetic bodies are provided in the operating element.
- the at least one operating area has at least one presetting device for specifying the magnetic field.
- the default device comprises, for example, permanent magnetic materials and / or at least one electromagnet.
- the operating area preferably has a plurality of predetermining devices.
- the operating area can in each case have its own presetting device in various preferred attachment positions for the operating element.
- the at least one presetting device for specifying the magnetic field is designed as a magnetic body corresponding to the magnetic body of the operating element.
- a corresponding magnetic body is understood to mean, for example, that it has the same size and / or the same geometry as the magnetic body of the inner element of the operating element.
- the magnetic body of the presetting apparatus is preferably also formed as a bar magnet.
- the magnetic body of the operating element is designed as a diametrically magnetized ring magnet and the at least one presetting device is designed as a diametrically magnetized cylindrical magnet.
- the at least one default device and the magnetic body of the operating element are coordinated such that aligning the inner element of the operating element by the predetermined magnetic field at a distance of the operating element from the operating range of 1 to 20 mm, preferably from 5 up to 15 mm.
- the outer element of the operating element is rotatable relative to the inner element of the operating element when the operating element is positioned on the operating area.
- the operating element can be used in particular as a rotary knob.
- the user interface element has a display which is set up to display at least one operating parameter of the household appliance.
- the display is designed as a touch-sensitive display.
- the touch-sensitive display may be configured to display one or more buttons.
- the inner element of the operating element has a power supply device for supplying the user interface element with electrical energy.
- the power supply device may comprise, for example, a battery, an accumulator and / or a charging device.
- a charging device comprises various embodiments, such as contact-bonded versions and contactless versions.
- the power supply device has two contact points, wherein the operating region further comprises two corresponding contact points and wherein the contact points with the corresponding contact points are in electrical contact when the operating element is positioned on the operating region.
- the energy supply device has a charging coil, wherein the operating region furthermore has at least one transmitting coil, by means of which electrical energy can be transmitted inductively to the charging coil.
- the power supply device is formed contactless.
- This has, in particular, the advantage that no open contacts are arranged on the household appliance and / or on the operating element, which may possibly constitute a safety risk. represent ko. Furthermore, this allows a permanent operation without, for example, a battery to be replaced by a user. Since alignment is ensured along the predetermined magnetic field by the magnetic body of the inner member, advantageously, transmission efficiency of the inductive power transmission is ensured.
- the operating element has an accumulator which supplies the user interface element with electrical energy when the operating element is used.
- a loading position may be provided for the operating element, in which the operating element is brought when it is not used, and in which the accumulator is charged.
- the household appliance is designed in particular as a cooking appliance, a hob, in particular an induction hob, an oven, a microwave, a grill and / or a Dampfgarêt.
- an operating element for operating a household appliance in particular a domestic appliance according to one of the embodiments described above, is proposed.
- the control member includes an inner and an outer member, the inner member being rotatable relative to the outer member, and the inner member having a user interface member and a magnetic body. With the magnetic body, the inner member is alignable by a given magnetic field in its orientation relative to the outer member.
- this is designed as a removable rotary knob.
- Such an embodiment has the advantage that a haptic operator experience is made possible for users of the household appliance with this control element.
- a method for controlling a household appliance having an operating area comprises, in particular, the steps of approaching an operating element to the operating region, wherein the operating element on the operating region is durable by means of magnetic force and is movable relative to the operating region and can be positioned detachably therefrom.
- the operating element has an inner element and an outer element, wherein the inner element is rotatable relative to the outer element.
- the inner member has a user interface element and a magnetic body with which the inner member is alignable by a predetermined magnetic field in its orientation relative to the outer member; Aligning the inner element of the operating element according to the predetermined magnetic field; and positioning the operating element on the operating area for operating the household appliance.
- the operation of the household appliance with the operating element comprises in particular a display of an operating parameter of the household appliance and / or a detection of a user input for controlling the household appliance.
- FIG. 1 shows a schematic view of an embodiment of a household appliance with an operating area and a control element
- FIG. 2a shows a schematic plan view of an embodiment of a
- FIG. 2b shows a schematic section of a ring magnet with diametrically arranged poles and its magnetic field
- Household appliance with a vertically arranged operating area and a control element arranged thereon;
- FIG. 4a to 4c show a schematic view of an embodiment of a domestic appliance designed as a hob, with an operating area and an operating element;
- Fig. 5 shows an embodiment of a method for controlling a household appliance.
- the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.
- Household appliance 10 is here designed as a cuboidal cooker comprising an oven (not shown) and a hob 1 1, which comprises four cooking zones 12.
- the household appliance 10 has a control area 20, which is arranged vertically on its front side.
- an operating element 30 is shown.
- the operating element 30 comprises an inner element 31 and an outer element 32.
- the inner element 31 has a user interface element 33 and a magnetic body 34.
- the control element 30 is designed here as a round control knob 30.
- the user interface element 33 is formed as an LCD, and the magnetic body 34 is formed, for example, as a bar magnet.
- the operating element 30 is placed on the operating area 20.
- the operating element 30 is placed in the middle of the operating area 20 for controlling the hob 1 1.
- a selection of a cooking zone 12 of the hob 1 1 done.
- numbers from 1 to 4 are displayed on the LCD 33 of the operating element 30, it being possible to change between the numbers and thus between the cooking zones 12 by turning the outer element 32.
- one of the cooking zones 12 is selected by pressing the outer member 32.
- a cooking stage is again selected.
- a circular segment display can be displayed on the operating area 20, which is displayed as a function of a degree of rotation of the outer element 32.
- the set cooking level can be displayed as a digit of 0-9 or even a number of 0-100 on the LCD 33 of the control element 30.
- the operating element 30 can be removed from the operating area 20.
- the oven 10 is set, for example, in a sleep mode, in which in particular all cooking zones 12 of the hob 1 1 are turned off.
- the operating element 30 can then be brought, for example, into a standby position, which is not shown in more detail here, wherein the LCD 33 can be used, for example, to display the current time.
- FIG. 2 a shows a detailed view of an exemplary embodiment of the operating element 30.
- the operating element 30 comprises an inner element 31 and an outer element 32.
- the inner element 31 has a user interface element 33 (not illustrated here)
- the operating element 30 may have a different shape. For example, it may be formed as a square or another, in particular regular, polygon.
- FIG. 2b shows a section through the ring magnet 34 of FIG. 2a.
- the two magnetic poles N, S of the ring magnet 34 are shown as well as the magnetic field of the ring magnet 34 indicated by field lines 40.
- the field lines 40 were symbolically represented only in the upper half-plane, by mirroring on the plane of symmetry SE also results in the field profile in the lower half-plane.
- the preferred direction B of the ring magnet 34 is also shown.
- 3 shows a schematic view of a section through a further exemplary embodiment of a household appliance 10 with a vertically arranged operating area 20.
- the domestic appliance 10 of FIG. 3 is, for example, the oven 10 of FIG. 1.
- the operating area 20 has two formed as magnetic body presetting devices M1, M2.
- Each magnetic body M1, M2 has its own magnetic field B1, B2, wherein a preferred direction of the different magnetic fields B1, B2 may be different.
- each feed device M1, M2 is assigned a transmitting coil 21, 22 for inductive energy transmission to a charging coil 35.
- the operating element 30 is arranged on the magnetic body M1 on the operating area 20.
- the operating element 30 has an inner element 31 and an outer element 32.
- the inner member 31 has a user interface element 33 formed as an LCD, a magnetic body 34 having a preferential direction B, and a charging coil 35.
- the front side of the outer element 32 which is directed to the left in FIG. 3, is for example made of an at least partially transparent material, such as glass or
- the magnetic body 34 has, in the example, aligned according to the magnetic field B1 predetermined by the corresponding magnetic body M1.
- the charging coil 35 is configured to inductively receive electric power from the transmitting coil 21 of the operating section 20 so that, for example, the LCD 33 can be operated.
- 4a shows a schematic view of another embodiment of a household appliance 10, which is designed here as an induction hob 1 1.
- the induction hob 1 1 has two cooking zones 12 and an operating area 20, to which three feeders M1, M2, M3 are assigned.
- the predefining devices M1, M2, M3 are presently designed as ring magnets, wherein each of the ring magnets M1, M2, M3 has its own magnetic field B1, B2, B3. The areas at the ring magnets
- M1, M2, M3 are preferred mounting positions P1, P2, P3 for the operating element 30 in this example.
- the operating element 30 is shown detached from the induction hob 11 in FIG. 4a. It has an inner element 31 and an outer element 32.
- the inner element 31 has a user interface element 33 and a magnetic body 34 designed as a ring magnet, the illustration of which has been omitted in FIG. 4a for reasons of clarity (see, for example, FIGS. 2a and 2b).
- the orientation of the inner element 31 is indicated by hatching. In the starting position of FIG. 4 a, the inner element 31 is aligned obliquely obliquely to the induction hob 1 1.
- a user wishes to control the right-hand cooking zone 12 of the induction hob 11, he positions the operating element 30, for example, on the position P3 of the operating area 20, as shown in FIG. 4b.
- the inner member 31 has aligned with the mounting position P3 in accordance with the prescribed by the ring magnet M3 magnetic field B3 when approaching. This ensures a correct and user-friendly display of an operating parameter on the user interface element 33.
- the reference numerals for the operating element 30 and the features belonging to the position P3 are not shown in FIG. 4b so as not to overload the representation.
- the user after the user has set a cooking level for the right cooking zone 12 of the induction hob 1 1 by means of the control element 30, he wants to enter a cooking time, for example.
- the user removes the operating element 30 from the attachment position P3 and repositions it on the attachment position P2.
- the magnetic body M2 indicative of the mounting position P2 has a magnetic field B2 which is perpendicular to the magnetic field B3 of the magnet M3 in the example. Therefore, the orientation of the inner member 31 of the operating member 30 also changes when the operating member 30 is approached to the position P2, which can be seen by the hatching of the inner member 31.
- the reference numerals for the operating element 30 and the features associated with the position P2 are not shown in FIG.
- FIG. 5 shows an exemplary embodiment of a method for controlling a household appliance 10 having an operating area 20, for example, the household appliance 10 of FIG. 1 or the induction hob 1 1 of FIGS. 4a-4c.
- a control element 30 is the operating area 20 of the
- Household appliance 10 approximated.
- the operating area 20 has a magnetic body M1 with a magnetic field B1.
- the operating element 30 has a two-part construction with an inner element 31 and an outer element 32.
- the inner member 31 has a user interface element 33 and a magnetic body 34.
- step S2 of the method the inner element 31 of the operating element 30 is aligned in accordance with the predetermined magnetic field B1. This occurs in particular when the operating element 30 has a distance of approximately 20 mm up to 1 mm from the operating area 20.
- step S3 the operating element 30 is positioned on the operating area 20 and can henceforth be used to operate the household appliance 10.
- Operation is understood herein to mean that, for example, an operating parameter of the household appliance 10 is displayed to a user by means of the user interface element 33 of the operating element 30 and / or that a user input for controlling the household appliance 10 is detected.
- the household appliance 10 is first activated by pressing the outer element 32 of the operating element 30.
- a function of the domestic appliance 10 is selected, such as an oven or a cooking zone 12.
- the selection can be made, for example, by displaying a graphical representation on the operating area 20 and / or on the user interface element 33.
- the currently selected function can be activated.
- a current oven temperature of the oven can be displayed on the user interface element 33.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Switches With Compound Operations (AREA)
- Cookers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016224302.0A DE102016224302A1 (de) | 2016-12-07 | 2016-12-07 | Haushaltsgerät, Bedienelement für ein Haushaltsgerät und Verfahren zum Steuern eines Haushaltsgeräts |
PCT/EP2017/080217 WO2018104066A1 (de) | 2016-12-07 | 2017-11-23 | Haushaltsgerät, bedienelement für ein haushaltsgerät und verfahren zum steuern eines haushaltsgeräts |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3551937A1 true EP3551937A1 (de) | 2019-10-16 |
Family
ID=60629662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17811490.6A Pending EP3551937A1 (de) | 2016-12-07 | 2017-11-23 | Haushaltsgerät, bedienelement für ein haushaltsgerät und verfahren zum steuern eines haushaltsgeräts |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190277510A1 (de) |
EP (1) | EP3551937A1 (de) |
CN (1) | CN110023682B (de) |
DE (1) | DE102016224302A1 (de) |
WO (1) | WO2018104066A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021122017A1 (en) * | 2019-12-19 | 2021-06-24 | BSH Hausgeräte GmbH | Control knob and method for controlling a household appliance |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10212929A1 (de) * | 2002-03-19 | 2003-10-02 | Ego Elektro Geraetebau Gmbh | Bedienvorrichtung für ein Elektrogerät |
DE10212954A1 (de) * | 2002-03-19 | 2003-10-02 | Ego Elektro Geraetebau Gmbh | Bedienvorrichtung für ein Elektrogerät |
DE102006026187B4 (de) | 2006-05-30 | 2010-04-29 | E.G.O. Elektro-Gerätebau GmbH | Bedieneinrichtung für ein Elektrogerät und Elektrogerät |
DE102006030550A1 (de) * | 2006-07-03 | 2008-01-17 | BSH Bosch und Siemens Hausgeräte GmbH | Bedieneinheit zur Anzeige und/oder Einstellung von Betriebsparameterwerten von zumindest einem Hausgerät |
CN201407713Y (zh) * | 2009-04-24 | 2010-02-17 | 美的集团有限公司 | 一种电磁炉火力调节旋钮结构 |
DE102009022339A1 (de) | 2009-05-14 | 2010-11-18 | E.G.O. Elektro-Gerätebau GmbH | Bedienvorrichtung für ein Elektrogerät |
WO2010143244A1 (ja) | 2009-06-09 | 2010-12-16 | 三菱電機株式会社 | 誘導加熱調理器 |
DE102010063187A1 (de) | 2010-12-16 | 2012-06-21 | BSH Bosch und Siemens Hausgeräte GmbH | Bedienvorrichtung für ein Hausgerät mit einem elektronischen Anzeigefeld und Hausgerät mit einer derartigen Bedienvorrichtung |
DE102011007471A1 (de) | 2011-04-15 | 2012-10-18 | BSH Bosch und Siemens Hausgeräte GmbH | Bedienelement für ein Haushaltsgerät und Haushaltsgerät |
DE102012001997B4 (de) * | 2012-02-03 | 2023-02-09 | Tdk-Micronas Gmbh | Bedienvorrichtung für ein Elektrogerät |
DE102012213693A1 (de) | 2012-08-02 | 2014-02-06 | BSH Bosch und Siemens Hausgeräte GmbH | Bedienvorrichtung für ein Haushaltsgerät mit einem mehrteiligen Bedienelement |
DE102013212814A1 (de) * | 2013-07-01 | 2015-01-08 | BSH Bosch und Siemens Hausgeräte GmbH | Bedienvorrichtung mit einem Bedienelement mit Magnete gehaltene Kappe und Sockel sowie Haushaltsgerät mit einer derartigen Bedienvorrichtung |
DE102014223371A1 (de) | 2014-11-17 | 2016-05-19 | BSH Hausgeräte GmbH | Bedienung eines Haushaltsgeräts mittels eines abnehmbaren Bedienelements |
-
2016
- 2016-12-07 DE DE102016224302.0A patent/DE102016224302A1/de not_active Withdrawn
-
2017
- 2017-11-23 WO PCT/EP2017/080217 patent/WO2018104066A1/de unknown
- 2017-11-23 US US16/348,517 patent/US20190277510A1/en active Pending
- 2017-11-23 CN CN201780075804.XA patent/CN110023682B/zh active Active
- 2017-11-23 EP EP17811490.6A patent/EP3551937A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2018104066A1 (de) | 2018-06-14 |
CN110023682A (zh) | 2019-07-16 |
DE102016224302A1 (de) | 2018-06-07 |
US20190277510A1 (en) | 2019-09-12 |
CN110023682B (zh) | 2020-09-11 |
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