EP3653937B1 - Verfahren und system zur steuerung eines haushaltsgeräts, insbesondere eines kochgeräts - Google Patents

Verfahren und system zur steuerung eines haushaltsgeräts, insbesondere eines kochgeräts Download PDF

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Publication number
EP3653937B1
EP3653937B1 EP18205952.7A EP18205952A EP3653937B1 EP 3653937 B1 EP3653937 B1 EP 3653937B1 EP 18205952 A EP18205952 A EP 18205952A EP 3653937 B1 EP3653937 B1 EP 3653937B1
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EP
European Patent Office
Prior art keywords
signal
user
household appliance
confirmation
control unit
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EP18205952.7A
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English (en)
French (fr)
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EP3653937A1 (de
Inventor
Ulrich Häutle
Jennifer KLING
Harald Hoffmann
Kurt Reul
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Electrolux Appliances AB
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Electrolux Appliances AB
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Priority to EP18205952.7A priority Critical patent/EP3653937B1/de
Priority to PCT/EP2019/080302 priority patent/WO2020099196A1/en
Publication of EP3653937A1 publication Critical patent/EP3653937A1/de
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    • 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

Definitions

  • the present invention relates to a method for controlling a household appliance, in particular a cooking appliance, e.g. a cooking hob. Further, the invention relates to a system for controlling a household appliance, in particular a cooking appliance, e.g. a cooking hob.
  • a remote control of many household appliances is not generally allowed due to legal safety requirements.
  • the remote control of a cooking hob is not allowed.
  • the control of household appliances by remote device e.g. smartphones or tablets, and/or by using human voice is increasing and desired by many users.
  • the control of the household appliance by the remote device could be allowed, if the distance between the user and the household appliance would be controlled to be within a safe value in order to allow a manual control or intervention of the household appliance.
  • CN 108488850 A discloses an induction cooker provided with a heating module for heating a pan, a wireless transceiver module, a temperature detecting module and a control module.
  • the wireless transceiver module is connected to the mobile terminal through a wireless network and is configured to receive a cooking instruction sent from a mobile terminal.
  • the control module is connected to the wireless transceiver module through a wireless network.
  • the mobile device may be a device such as a mobile phone or a tablet computer. After a user clicks on an application and sends a cooking command to the induction cooker, the control module receives and stores the cooking command. After receiving and storing the cooking instruction sent by the mobile terminal, the control module will wait to receive a second confirmation command.
  • the control module receives the second confirmation command. If the second confirmation command is not accepted within a pre-set time, the control module clears the stored cooking instruction and controls the induction cooker to enter the manual control state.
  • the second confirmation key is provided on the induction cooker.
  • US 2016/0076777 A1 discloses an oven range appliance of which the operation is controlled by a processing device such as a controller.
  • the controller detects an input to start a self-clean cycle of the oven appliance.
  • the input may be a voice command by a user of the appliance.
  • Voice commands may be authenticated and/or confirmed through the use of a unique spoken phrase.
  • the unique phrase may be any phrase chosen by the user and programmed into e.g. the controller.
  • the voice commands may be authenticated and/or confirmed through the user of voice biometrics, which may distinguish an adult voice from a juvenile voice, identify an exact voice or otherwise authenticate commands.
  • the voice commands may be detected and utilised by any combination of e.g.
  • the oven range prompts the user to confirm that a self-clean cycle should be started.
  • the oven appliance may prompt for confirmation of the self-clean cycle by e.g. any audible and/or visible prompt that indicates to the user that a confirmation is needed to start the self-clean cycle.
  • the controller may begin counting a predetermined time, which may be any appropriate time interval that allows the user sufficient time to confirm the self-clean cycle.
  • the user may also give a confirmation through other means, e.g. by utilising one or more controls.
  • the user may give a confirmation gesture, such as a touch sequence.
  • the confirmation sequence may be input on a front panel of a door or any other appropriate conductive surface of the oven range appliance.
  • US 2010/0073174 A1 discloses a safety device that is a self-contained unit comprising of a male plug on the back side of the safety device and a female receptacle on the front side of the safety device.
  • a remote command key transmitter is used for remote control of the safety device.
  • the safety device is designed to prevent operation of the heating elements of a cooking appliance except when the user activates a timing function, which enables their operation for a pre-set time period. The user must reset the timing function before expiration of the time period to keep the heating elements operating.
  • the timer is wirelessly controlled by a remote command key transmitter.
  • US 2017/0329358 A1 discloses a system including a switch selectively limiting a flow of a power source to an appliance according to a control signal, a controller coupled to the switch and generating the control signal, a sensor coupled to the controller and detecting a presence of a user in a proximity of the appliance, and a network interface of the controller coupled to a computer network.
  • the controller starts an unattended timer after heat generation is started by the appliance.
  • the controller restarts the unattended timer each time the sensor detects the user is within the proximity of the appliance while heat generation by the appliance is enabled.
  • the controller controls the control signal to disable heat generation by the appliance and sends one or more alert notifications via the computer network.
  • the object is achieved by the features of claim 1.
  • the object is achieved by the features of claim 4.
  • a method for controlling a household appliance in particular a cooking appliance, for example a cooking hob, comprising the following steps:
  • the invention also provides that the confirmation signal, sourcing from the user, indicates the user's presence close by or next to the household appliance, and that the confirmation signal is a presence detection signal in the form of an infrared signal, a camera signal, a photo sensor signal, a light beam signal, a modulated or unmodulated electromagnetic signal, identifying a user's, presence close by the household appliance and ensuring a line of sight of the user to the household appliance.
  • the confirmation signal is a presence detection signal in the form of an infrared signal, a camera signal, a photo sensor signal, a light beam signal, a modulated or unmodulated electromagnetic signal, identifying a user's, presence close by the household appliance and ensuring a line of sight of the user to the household appliance.
  • the main idea of the present invention is that the household appliance, in particular the cooking hob, is controlled by the remote control device and respective user's commands are processed only, if not only the command signal for the control of the household appliance, but also the confirmation signal for confirming the user's presence near by the household appliance is received by the household appliance, in particular by its control unit and/or its user interface.
  • a predefined value for the user's distance to the household appliance may be set.
  • the control unit is not processing the information signal, in particular the command signal, as long as not having received the confirmation signal.
  • the control unit is waiting for receiving the confirmation signal.
  • the method comprises starting a timer period for waiting for a confirmation signal from the user and provides a predefined time interval, in the space thereof the confirmation signal is accepted by the control unit or the user interface.
  • the time interval is defined as a period with a duration of 1 to 300 seconds, preferably with a duration of 5 to 180 seconds and more preferably with a duration of 10 to 300 seconds.
  • a further step may be comprised which provides a communication of the received information signal, in particular the command signal, by the control unit or the user interface after the receipt thereof.
  • the communication may be performed by displaying the information signal on a display on the control unit or the user interface or a voice output of the received information signal by means of a loudspeaker.
  • the confirmation signal is triggered by the presence of the user merely by his physical presence close by the household appliance.
  • the confirmation signal is a presence detection signal, which identifies a user's, particularly an authorized user's, presence close by the household appliance.
  • a presence detection and indication is realized by an infrared signal, a camera signal, a photo sensor signal and/or a light beam signal
  • the confirmation signal ensures confirmation of line of sight of the user to the hob.
  • a confirmation signal input means may comprise a light path, which may be interrupted to generate the confirmation signal.
  • a system for controlling a household appliance in particular a cooking appliance, for example a cooking hob, is provided.
  • the system comprises
  • the inventive system is further characterized in that the first and/or the second transmission path/paths is/are wired or wireless and that the confirmation signal indicates or suggests the user's presence close by the household appliance and in that the confirmation signal is a presence detection signal in the form of an infrared signal, a camera signal, a photo sensor signal, a light beam signal or a modulated or unmodulated electromagnetic signal, identifying a user's, presence close by the household appliance and ensuring a line of sight of the user to the household appliance.
  • a time interval is predefined, in the space of which the confirmation signal is accepted by the control unit or the user interface.
  • the time interval is a period with a duration of 1 to 300 seconds, preferably with a duration of 5 to 180 seconds, more preferably with a duration of 10 to 120 seconds.
  • the first transmission path and the second transmission path may be congruent or identical. But preferably, in order to increase the system security, the first transmission path is different and independent from the second transmission path.
  • the remote control device is a voice control, which enables the user to provide the information signal, particularly a command, to the household appliance, in particular the control unit and/or the user interface thereof.
  • the voice control may be connected to or implemented in a digital or virtual assistant, for example "Google Home” (trademark, registered by Google LLC with effect for many countries), "ALEXA” (trademark, registered by Amazon Technologies, Inc. with effect for many countries) or "SIRI” (trademark, registered by Apple Inc. with effect for many countries), or the like.
  • the remote control device may be a near field remote control device, in particular an infrared or Bluetooth remote control device.
  • the voice control arrangement in particular the digital or virtual assistant, is positioned next to the household appliance. In such arrangement, it sends a position identification signal to the household appliance.
  • a further embodiment provides for the confirmation trigger arrangement being arranged in and/or monitoring the installation location, in particular the installation room, of the household appliance.
  • the confirmation trigger arrangement is or is allocated to a camera, a microphone, a vibration sensor, an infrared sensor and/or a light beam monitoring the environment or surroundings of the household appliance.
  • the confirmation key or confirmation trigger arrangement is arranged next to the household appliance.
  • the confirmation trigger arrangement is capable of receiving and optionally operating a presence detection signal, capable of identifying a user or a user's presence, in particular an authorized user's, presence close by the household appliance.
  • the presence detection signal is in the form of an infrared signal, a camera signal, a photo sensor signal, a light beam signal, a modulated or unmodulated electromagnetic signal.
  • the invention may be specifically designed for a household appliance, which is a cooking hob, wherein the confirmation key or the confirmation trigger arrangement is arranged at an appliance, in particular another household appliance, which may be an oven or an exhaust hood.
  • a specific embodiment of the invention may provide a system with different types of commands, wherein not all types are designated for being processed only after transmission of a confirmation signal, rather, only specific commands, for example starting the household appliance, need to be confirmed by a confirmation signal.
  • FIG 1 illustrates a schematic perspective view of a cooking arrangement comprising a cooking hob 1 and an exhaust hood 3.
  • the cooking hob comprises a cooking area with four cooking zones 5 and an operator control panel comprising a control unit or the user interface 7.
  • the control unit or the user interface 7 is equipped with operating buttons 9 and a display unit 11.
  • a micro control unit 13 is arranged for controlling the operation of the cooking hob 1.
  • the control unit or the user interface 7 is internally connected with the micro control unit 13 for data exchange between these two components.
  • the exhaust hood 3 is arranged above the cooking hob 1 by fully covering the cooking area of the cooking hob 1 with its suction area 15.
  • the vapour and/or fume which is/are resulting from the cooking processes are sucked by an exhaust fan (not shown) arranged inside the exhaust hood 3 and removed from the kitchen, in which the cooking arrangement is installed, to the environment by means of an exhaust tube 17.
  • Hood operating buttons 19 are positioned on a front face of the exhaust hood 3 for the operation thereof by the user.
  • the operation of the cooking hob 1 can be performed twofold.
  • a conventional, direct operation may be realized by the user manipulating the hob operating buttons 9 arranged on the control unit or the user interface 7 in order to set or modify the power level of the respective cooking zone 5.
  • the exhaust hood 3 may be operated also directly in a conventional way by the user manipulating the hood operating buttons 19, thereby controlling the speed of the exhaust fan.
  • both the cooking hob 1 and the exhaust hood 3 may be operated by the user using a remote control device 21.
  • the remote control device 21 Via a first transmission path 23 (in FIG. 1 only illustrated for the connection to the cooking hob 1), the remote control device 21 transmits the information signals to either the cooking hob 1 or to the exhaust hood 3.
  • the first transmission path may be a WIFI or a near field connection.
  • a switch button (not explicitly shown) is comprised by the remote control device 21 for selecting either control of the cooking hob 1 or control of the exhaust hood 3 by the remote control device 21.
  • the user inputs the commands for the control of either the cooking hob 1 or the exhaust hood 3 by means of universal operating buttons 9' arranged on the remote control device 21.
  • the exhaust hood 3 may be controlled via the remote control device 21 without any limitation, the operation of the cooking hob 1 is only allowed, following safety standards, in case of the user of the cooking hob 1 being in close distance to the cooking hob in order to be in a position to intervene in case of any unexpected or dangerous situation resulting from the cooking hob operation.
  • the micro control unit 13 will receive a control command transmitted via the first transmission path 23 and forwarded by the control unit or the user interface 7, the micro control unit 13 will not immediately process the received control command. Rather, the micro control unit is waiting for also receiving a confirmation signal indicating the presence of the user in close distance to the cooking hob 1.
  • said confirmation signal indicating the user's presence is provided by a microphone 25, also arranged at the front face of the exhaust hood 3.
  • the microphone 25 is connected to the control unit or the user interface 7 of the cooking hob 1 by means of a second transmission path 27, which may be an infrared signal connection.
  • the microphone 25 may be designed as a directional microphone in order to filter out or reduce the operational noise, sourcing from the operation of the exhaust fan or its driving motor.
  • the microphone 25 is adapted for receiving any sound or noise created by a user being in close distance to the cooking hob 1. Such sound or noise may be a vocal sound, a snipping with fingers or the like. The sound or noise may be also created by the user working on the kitchen, in particular handling with specific devices, e. g. bumping with a pot 29 positioned on a cooking zone 5 of the cooking hob 1, toggling with a lid 31 of the pot 29, operating a water tap (not shown) in the kitchen, etc.
  • specific devices e. g. bumping with a pot 29 positioned on a cooking zone 5 of the cooking hob 1, toggling with a lid 31 of the pot 29, operating a water tap (not shown) in the kitchen, etc.
  • the microphone 25 is replaced in its function as a user's presence detector by a camera or another type of kitchen observation system monitoring the user moving around, by a light beam device indicating the user passing the kitchen door or by another household appliance arranged next to the cooking hob 1 which other household appliance is directly operated by the user and is in a communication interlocking with the cooking hob 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)

Claims (10)

  1. Verfahren zum Steuern eines Haushaltsgeräts (1), insbesondere eines Kochgeräts, zum Beispiel eines Kochfelds, die folgenden Schritte umfassend
    - Übertragung eines Informationssignals, insbesondere eines Befehlssignals, an eine Steuereinheit (7) und/oder eine Benutzerschnittstelle (7) des Haushaltsgeräts (1) durch einen Benutzer des Haushaltsgeräts (1) mit der Hilfe einer Fernbedienungsvorrichtung (21),
    - Starten einer Zeitperiode zum Warten auf ein Bestätigungssignal von dem Benutzer,
    - Empfangen des Bestätigungssignals des Benutzers über eine Bestätigungsauslöseranordnung (25),
    Verarbeiten des Informationssignals durch eine Steuereinheit (13) des Haushaltsgeräts (1), wobei das Informationssignal durch die Steuereinheit (7) nicht verarbeitet wird, solange das Bestätigungssignal nicht empfangen wurde und ein Zeitintervall im Voraus definiert ist, in dessen Zeitraum das Bestätigungssignal durch die Steuereinheit (13) oder die Benutzerschnittstelle (7) angenommen wird,
    wobei das Bestätigungssignal die Anwesenheit des Benutzers nahe bei dem Haushaltsgerät (1) angibt und eine Sichtlinie des Benutzers zu dem Haushaltsgerät (1) gewährleistet,
    wobei das Verfahren dadurch gekennzeichnet ist, dass
    das Zeitintervall eine Periode mit einer Dauer von 1 bis 300 Sekunden ist, vorzugsweise mit einer Dauer von 5 bis 180 Sekunden, stärker bevorzugt mit einer Dauer von 10 bis 120 Sekunden,
    das Bestätigungssignal ein Anwesenheitsdetektionssignal in der Form eines Infrarotsignals, eines Kamerasignals, eines Fotosensorsignals, eines Lichtstrahlsignals oder eines modulierten oder nicht modulierten elektromagnetischen Signals ist, das eine Anwesenheit eines Benutzers nahe bei dem Haushaltsgerät (1) identifiziert.
  2. Verfahren nach Anspruch 1,
    gekennzeichnet durch den weiteren Schritt
    - Kommunizieren des Informationssignals, insbesondere des Befehlssignals, durch die Benutzerschnittstelle (7) nach dem Empfang des Informationssignals.
  3. Verfahren nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass
    das Bestätigungssignal durch den Benutzer aktiviert oder ausgelöst wird.
  4. System zum Steuern eines Haushaltsgeräts (1), insbesondere eines Kochgeräts, zum Beispiel eines Kochfelds, umfassend
    - eine Steuereinheit (13), die den Betrieb des Haushaltsgeräts (1) steuert und durch einen Benutzer des Haushaltsgeräts (1) ausgegebene Befehle verarbeitet,
    - eine Benutzerschnittstelle (7) des Haushaltsgeräts (1), die die Befehle des Benutzers empfängt und die Befehle an die Steuereinheit (13) überträgt,
    - einen ersten Übertragungsweg (23) zum Übertragen der Befehle des Benutzers an die Benutzerschnittstelle (7) mittels der Fernbedienung,
    - eine Fernbedienungsvorrichtung (21), die mit dem ersten Übertragungsweg (23) verbunden ist und die Befehle des Benutzers empfängt,
    - einen zweiten Übertragungsweg (27) zum Übertragen eines Bestätigungssignals von dem Benutzer an die Benutzerschnittstelle (7), wobei das System derart angeordnet ist, dass zumindest Befehle eines spezifischen Typs erst nach der Übertragung des Bestätigungssignals verarbeitet werden,
    - eine Bestätigungsauslöseranordnung (25), die mit dem zweiten Übertragungsweg (27) verbunden ist und das Bestätigungssignal des Benutzers empfängt,
    - einen Zeitgeber, der eine Zeitperiode steuert, die von dem Empfang des Befehls des Benutzers durch die Benutzerschnittstelle (7) und/oder die Steuereinheit (13) abhängig ist;
    wobei der erste (23) und/oder der zweite (27) Übertragungsweg verdrahtet oder drahtlos ist/sind und wobei das Bestätigungssignal die Anwesenheit des Benutzers nahe bei dem Haushaltsgerät (1) angibt oder nahelegt und eine Sichtlinie des Benutzers zu dem Haushaltsgerät (1) gewährleistet, wobei ein Zeitintervall im Voraus definiert ist, in dessen Zeitraum das Bestätigungssignal durch die Steuereinheit (13) oder die Benutzerschnittstelle (7) angenommen wird,
    dadurch gekennzeichnet, dass
    das Bestätigungssignal ein Anwesenheitsdetektionssignal in der Form eines Infrarotsignals, eines Kamerasignals, eines Fotosensorsignals, eines Lichtstrahlsignals oder eines modulierten oder nicht modulierten elektromagnetischen Signals ist, das eine Anwesenheit eines Benutzers nahe bei dem Haushaltsgerät (1) identifiziert; und
    wobei das Zeitintervall eine Periode mit einer Dauer von 1 bis 300 Sekunden ist, vorzugsweise mit einer Dauer von 5 bis 180 Sekunden, stärker bevorzugt mit einer Dauer von 10 bis 120 Sekunden.
  5. System nach Anspruch 4,
    dadurch gekennzeichnet, dass
    der erste Übertragungsweg (23) von dem zweiten Übertragungsweg (27) verschieden und/oder unabhängig ist.
  6. System nach Anspruch 4 oder 5,
    dadurch gekennzeichnet, dass
    die Fernbedienungsvorrichtung (21) eine Sprachsteuerung, die insbesondere einen digitalen Assistenten verwendet, und/oder eine Nahfeld-Fernbedienungsvorrichtung ist.
  7. System nach Anspruch 6,
    dadurch gekennzeichnet, dass
    die Sprachsteuerungsanordnung, insbesondere der digitale Assistent, neben dem Haushaltsgerät (1) positioniert ist und ein Positionsidentifikationssignal an das Haushaltsgerät (1) sendet.
  8. System nach einem der Ansprüche 4-7,
    dadurch gekennzeichnet, dass
    die Bestätigungsauslöseranordnung in dem Installationsort, insbesondere dem Installationsraum, des Haushaltsgeräts (1) angeordnet ist und/oder diesen überwacht.
  9. System nach einem der Ansprüche 4-8,
    dadurch gekennzeichnet, dass
    die Bestätigungsauslöseranordnung eine Kamera, ein Vibrationssensor, ein Infrarotsensor und/oder ein Lichtstrahl, die/der nahe zu dem Haushaltsgerät (1) angeordnet ist, ist oder dieser/diesem zugeteilt ist.
  10. System nach einem der Ansprüche 4-9,
    dadurch gekennzeichnet, dass
    das Haushaltsgerät (1) ein Kochfeld ist und die Bestätigungsauslöseranordnung an einem Ofen oder einer Abzugshaube (3) nahe zu dem Kochfeld angeordnet ist.
EP18205952.7A 2018-11-13 2018-11-13 Verfahren und system zur steuerung eines haushaltsgeräts, insbesondere eines kochgeräts Active EP3653937B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18205952.7A EP3653937B1 (de) 2018-11-13 2018-11-13 Verfahren und system zur steuerung eines haushaltsgeräts, insbesondere eines kochgeräts
PCT/EP2019/080302 WO2020099196A1 (en) 2018-11-13 2019-11-05 Method and system for controlling a household appliance, in particular a cooking appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18205952.7A EP3653937B1 (de) 2018-11-13 2018-11-13 Verfahren und system zur steuerung eines haushaltsgeräts, insbesondere eines kochgeräts

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EP3653937A1 EP3653937A1 (de) 2020-05-20
EP3653937B1 true EP3653937B1 (de) 2023-06-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020208345A1 (de) * 2020-07-03 2022-01-05 BSH Hausgeräte GmbH Sicheres Fernsteuern eines Hausgeräts per Sprache
EP4019849B1 (de) * 2020-12-28 2023-06-07 Mondragon Componentes, S. Coop. Verfahren zur steuerung eines kochfeldes mittels einer tragbaren vorrichtung

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US20150042453A1 (en) * 2012-04-05 2015-02-12 BSH Bosch und Siemens Hausgeräte GmbH Hob and method for controlling a hob
US20180130466A1 (en) * 2015-04-13 2018-05-10 Bsh Hausgerate Gmbh Domestic appliance and method for operating a domestic appliance

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JP2006323690A (ja) * 2005-05-19 2006-11-30 Sony Corp 検索装置，プログラム及び検索方法
CA2567691A1 (en) * 2006-11-09 2008-05-09 Georges Dufour Wireless smoke detector power cut-off system
US20160076777A1 (en) * 2014-09-12 2016-03-17 General Electric Company Activation of appliance locking features using hand-contact interface
CA2929530C (en) * 2016-05-10 2020-03-24 Iguardfire Ltd. Controlling heat capability of appliance according to user proximity and notifying remote users via internet for increased safety
CN108488850A (zh) * 2018-06-11 2018-09-04 上海海尔众智坊创客空间管理有限公司 电磁炉的控制方法及电磁炉

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150042453A1 (en) * 2012-04-05 2015-02-12 BSH Bosch und Siemens Hausgeräte GmbH Hob and method for controlling a hob
US20180130466A1 (en) * 2015-04-13 2018-05-10 Bsh Hausgerate Gmbh Domestic appliance and method for operating a domestic appliance

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EP3653937A1 (de) 2020-05-20

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