A control unit and methods for operating the control unit to perform non-contact radio-frequency (RF) heating of a fluid flowing through or contained within a non-contact radio-frequency heating element.

A control unit and methods for operating the control unit to perform non-contact radio-frequency (RF) heating of a fluid flowing through or contained within a non-contact radio-frequency heating element.

A refrigerator having a thawing device. The thawing device includes: a cavity, a device door, a radio frequency generator module, an upper electrode plate and a lower electrode plate, and a detection module, configured to detect an incident wave signal and a reflected wave signal of an electrical connection wire connecting the radio frequency generation module to the upper electrode plate, and calculate a load impedance of the radio frequency generation module according to a voltage and a current of the incident wave signal and a voltage and a current of the reflected wave signal to determine the thawing progress of the object to be processed.

A system and method of heating a tool with electromagnetic radiation aims to harness the dialectic heating effect of radio waves on metallic nanoparticles to generate controllable, user-safe, highly variable heat with the use of a specific supporting structure. It is considered that the method may be applied to a variety of existing assemblies, such as a knife, a cooking pot, a jacket, and other embodiments. The system of the present invention provides at least one tool body, at least one suspension mechanism, and a plurality of photothermal particles. Furthermore, at least one portable electromagnetic (EM) wave generator is provided, wherein the portable EM wave generator either is integrated into the tool body, or is positioned adjacent to the tool body, wherein the portable EM wave generator includes a manual on/off switch. The overall process allows for controlled generation of heat within a variety of physical objects.

A system and method of heating a tool with electromagnetic radiation aims to harness the dialectic heating effect of radio waves on metallic nanoparticles to generate controllable, user-safe, highly variable heat with the use of a specific supporting structure. It is considered that the method may be applied to a variety of existing assemblies, such as a knife, a cooking pot, a jacket, and other embodiments. The system of the present invention provides at least one tool body, at least one suspension mechanism, and a plurality of photothermal particles. Furthermore, at least one portable electromagnetic (EM) wave generator is provided, wherein the portable EM wave generator either is integrated into the tool body, or is positioned adjacent to the tool body, wherein the portable EM wave generator includes a manual on/off switch. The overall process allows for controlled generation of heat within a variety of physical objects.

A removable container for a product to be cooked for use in a PEF cooking appliance has a treatment chamber including at least two PEF electrodes between which a product to be cooked can be introduced and to which PEF signals pulsed with alternating polarity can be applied. Further provided are a sensor and a sensor circuit which includes an energy supply device configured without battery and DC-isolated from the PEF cooking appliance, an evaluation circuit connected to the sensor and the energy supply device, and a data transmission device connected to the evaluation circuit and the energy supply device. The data transmission device is configured to transmit data received from the evaluation circuit to the PEF cooking appliance in a non-electrical manner.

A removable container for a product to be cooked for use in a PEF cooking appliance has a treatment chamber including at least two PEF electrodes between which a product to be cooked can be introduced and to which PEF signals pulsed with alternating polarity can be applied. Further provided are a sensor and a sensor circuit which includes an energy supply device configured without battery and DC-isolated from the PEF cooking appliance, an evaluation circuit connected to the sensor and the energy supply device, and a data transmission device connected to the evaluation circuit and the energy supply device. The data transmission device is configured to transmit data received from the evaluation circuit to the PEF cooking appliance in a non-electrical manner.

A semiconductor or other substrate can include one or more electrodes, located directly or indirectly on the substrate, separated from each other and coupled to the substrate. At the two or more electrodes, non-zero frequency time-varying electrical energy can be received. The time-varying electrical energy can be coupled via the two or more electrodes to trigger a displacement current to activate free carriers confined within the semiconductor substrate to generate frequency-controlled heat in the semiconductor substrate.

A semiconductor or other substrate can include one or more electrodes, located directly or indirectly on the substrate, separated from each other and coupled to the substrate. At the two or more electrodes, non-zero frequency time-varying electrical energy can be received. The time-varying electrical energy can be coupled via the two or more electrodes to trigger a displacement current to activate free carriers confined within the semiconductor substrate to generate frequency-controlled heat in the semiconductor substrate.

A method for a thawing device configured to thaw/heat a blood product comprised in a container, the method comprising the steps of performing a massaging motion, by a first actuator, on one or more areas of an outer surface of the container, obtaining measurements, from a reflectance sensor coupled to an antenna, the measurements at least being indicative of phase of received radio frequency, RF, waves having a second frequency and being reflected off the container, determining a third frequency, wherein the third frequency is determined by a predetermined relation dependent on the second frequency and the obtained measurements, controlling a transmitter, communicatively coupled to the antenna, to emit RF waves, using the obtained measurements, wherein the emitted RF waves are emitted at a third frequency and are directed by the antenna to propagate towards the container, wherein the third frequency is in the range of 10 to 900 MHz.