There is provided an apparatus for heating a pot of food or beverage, the apparatus comprising at least one receptacle (20), each receptacle for temporarily receiving a pot of food or beverage to be heated. Each receptacle comprises a base (22), sidewalls (24), and an opening opposite from the base (22) for receiving the pot; a heater element (43) mounted to the sidewalls; a temperature sensor (45) mounted to the base; a pot sensor (40, 41) for detecting whether or not a pot is present in the receptacle; and a controller connected to the heater element, temperature sensor, and pot sensor. The controller is configured to control the heater element in response to the pot sensor and temperature sensor.

A heating device and an operating method of the heating device. The heating device includes: a communication interface configured to obtain identification information of a cooking device located on a top plate; a wireless power transmitter including a working coil arranged to form a magnetic field; and at least one processor, wherein the at least one processor is configured to identify a temperature control mode of the cooking device corresponding to the identification information of the cooking device, when a rotation input of rotating the cooking device is detected, obtain a target heating temperature corresponding to the cooking device based on a rotation displacement according to the rotation input and the temperature control mode of the cooking device, and control power transmission by the wireless power transmitter such that a temperature of a content of the cooking device reaches the target heating temperature.

A method for automatically correlating at least one cooktop utensil with at least one cooking zone of an inductive cooktop having a plurality of cooking zones which are inductively heated by at least one respective heating coil, includes: providing the cooktop with a cooktop controller configured to drive the heating coils with a correlation signal; providing the at least one cooktop utensil with an induction coil inductively couplable with the heating coils of the cooktop and a transmitter unit; supplying the transmitter unit with an operation power when a voltage is induced by at least one of the heating coils into the induction coil of the cooktop utensil that is placed on the cooking zone associated with this heating coil; transmitting, by the transmitter unit of the cooktop utensil, by the operating power, a response signal that identifies the cooktop utensil and correlates with the induced correlation signal.

In order to detect on an induction cooktop whether a cooking vessel with an integrated controller or smart functionality is arranged over an induction heating coil, the induction heating coils emit a short individual code. The latter can be detected and evaluated by the cooking vessel such that the cooking vessel emits a signal corresponding to this code which is received by an external operating means or the induction cooktop to locally associate this cooking vessel with this induction heating coil. Transmission or transfer of energy as a code proceeds at a frequency of at least 50 kHz, wherein a code has a plurality of pulse sequences, each of which has at least two pulses.

An induction energy transmission system includes a supply unit having a supply induction element to inductively provide energy in an operating state. A receiving unit receives at least part of the energy provided by the supply induction element in the operating state. A sensor unit detects a measurement variable and a first information channel transmits a first signal between the receiving unit and the supply unit, with the first signal coding the measurement variable. A second information channel which differs from the first information channel transmits a second signal between the receiving unit and the supply unit, with the second signal coding the measurement variable.

A cooking system includes: at least one control device; at least one extractor device; at least one cookware item; and at least one stovetop. The at least one extractor device includes at least one movable vapor screen device having at least one suction opening in operative connection with at least one fan device. The at least one stovetop device includes at least one placement device for placing cookware and at least one heating device for heating cookware. The at least one movable vapor screen device is movable to at least two operating positions with at least one different extension height in each case. The cookware includes at least one transmitting/receiving device for transmitting at least one signal with at least one identification signature to at least the control device, by which the at least one cookware item is identifiable. The at least one control device has a communications device.

An induction cooker according to the present disclosure includes a body including a top plate on which a heating target is placed, a frame formed to surround an outer periphery of the top plate, and having a discontinuous portion being electrically discontinuous from other parts of the frame, a heating coil disposed below the top plate, and configured to inductively heat the heating target, a driver circuit configured to supply electric power to the heating coil, a power transfer coil configured to transfer electric power by magnetic resonance, and a power transfer circuit configured to supply electric power to the power transfer coil, and a power receiving device including a power receiving coil configured to receive electric power from the power transfer coil by magnetic resonance, and a load circuit configured to operate by the electric power received by the power receiving coil.

Proposed is a wireless power transfer (WPT) cooktop device which includes at least one inductive coupling element including coils of wire which generate a magnetic field when a current is applied thereto, an NFC reader which is located in correspondence to the inductive coupling element, recognizes a near field communication (NFC) tag of a small electric appliance, and reads information related to the small electric appliance from the NFC tag, and a controller which receives the information related to the small electric appliance from the NFC reader, identifies a position of the small electric appliance and the small electric appliance on the basis of the information related to the small electric appliance, transmits wireless power to the small electric appliance through the inductive coupling element corresponding to the identified position, and turns off the NFC reader when transmitting the wireless power to the small electric appliance.

A food delivery system comprising an induction heating apparatus, an induction-heatable apparatus, and a food delivery cart. The induction heating apparatus includes an induction heating element and an electronic system including a communication element configured to communicatively link to an ordering system. The induction-heatable apparatus is configured to be heated via the induction heating apparatus and includes an RFID tag configured to store information of food being heated and information of an intended recipient or intended destination of the food. The food delivery cart includes an induction heating element configured to warm the induction-heatable apparatus and hence the food and an electronic system including an RFID reader to determine information corresponding to the food, augment the information, and transmit the augmented information a central monitoring system.

A method for operating a cooking system, the cooking system including a hob, cookware, and a mobile device, includes: transmitting a process instruction from the mobile device to the hob; receiving the process instruction from the mobile device by the hob; transmitting a confirmation request from the hob to the cookware; in response to a confirmation by a user on the cookware, transmitting a confirmation message from the cookware to the hob; and in response to the hob receiving the confirmation message from the cookware, executing the process instruction of the mobile device by the hob.