A system includes a core temperature probe and a microwave cooking device. The core temperature probe includes a temperature sensor to determine a temperature information, a coaxial line including a lambda/4 line resonance element adjusted to a microwave frequency, and a signal transmission antenna connected to the temperature sensor via the coaxial line and adapted to emit the temperature information at a signal transmission frequency that differs from the microwave frequency. The system is hereby constructed to transmit a signal at the signal transmission frequency wirelessly between the signal transmission antenna of the core temperature probe and a signal transmission antenna of the microwave cooking appliance.

The invention relates to method for preparing a foodstuff in a food processing system (100), the system comprising solid state radio frequency cooking means (51) that transmits an electromagnetic wave to a food substrate and a cavity where the food is cooked, the method monitoring the return power losses, which are the difference between the power emitted by the solid state radio frequency cooking means (51) and the reflected power in the cavity, for optimising the delivery of the radio frequency power to the food substrate by controlling and adjusting at least two parameters: the emitted frequency of the solid state radio frequency cooking means (51) and the distance of the cooking means (51) to the food substrate. In the method of the invention, the dielectric properties, the water content and/or the compaction of the food substrate are monitored throughout the preparation method.

A information processor of a terminal apparatus reads from a memory identification information of a food handling apparatus and a table, identifies a function associated with the identification information of the food handling apparatus received by a information receiver in accordance with the table, and starts up the function.

Power amplifier electronics for controlling application of radio frequency (RF) energy generated using solid state electronic components may further be configured to control application of RF energy in cycles between high and low powers. The power amplifier electronics may include a semiconductor die on which one or more RF power transistors are fabricated, an output matching network configured to provide impedance matching between the semiconductor die and external components operably coupled to an output tab, and bonding ribbon bonded at terminal ends thereof to operably couple the one or more RF power transistors of the semiconductor die to the output matching network. The bonding ribbon may have a width of greater than about five times a thickness of the bonding ribbon.

It is the object of the present invention to present a coffee roaster, comprising: a resonant cavity, a heating unit, comprising: (i) at least one microwave oscillator and (ii) at least one beam-steerer, a sensing unit; and a control unit configured to control the microwave oscillator and the bean-steerer and receive data from the sensing unit.

A cooking apparatus has a cooking chamber, a microwave unit to radiate microwaves to the cooking chamber, a convection unit to supply hot air to the cooking chamber, a grill unit to supply radiant heat to the cooking chamber, an input unit to receive a cooking command and a control unit to perform a cooking corresponding to the received cooking command by performing one of a first heating stage and a second heating stage, and after performing the one of the first heating stage and the second heating stage, performing the other one of the first heating stage and the second heating stage. In the first heating stage, the control unit operates the microwave unit and at least one of the convection unit and the grill unit, and in the second heating stage, the control unit operates the grill unit and the convection unit while not operating the microwave unit.

A heating cooker according to the present disclosure includes a heating chamber, a heating unit, a capturing unit, a control unit, an appearance characteristic analysis unit that analyzes an appearance characteristic of a heated material, an information reading unit that reads heating control information, an information storage unit in which an acceptable range of the heating control information is registered, and an information determination unit that determines whether the heating control information read by the information reading unit is within the acceptable range. When the heating control information read by the information reading unit is within the acceptable range, the control unit executes heating control based on the heating control information read by the information reading unit. When the heating control information read by the information reading unit is not within the acceptable range, the control unit does not execute heating control based on the heating control information read by the information reading unit.

A cooking adjustment system for a cooking appliance includes a body that defines a cooking cavity. A steam generator system is coupled to the body. The steam generator system is configured to inject steam into the cooking cavity. An air temperature sensor is disposed within the cooking cavity and configured to sense a dry bulb temperature. A food probe has multiple food temperature sensors. At least one of the food temperature sensors is configured to sense a surface temperature of a food item. A controller is communicatively coupled to the steam generator system, the air temperature sensor, and the food probe. The controller is configured to determine a wet bulb temperature utilizing the surface temperature of the food. The controller is configured to adjust relative humidity within the cooking cavity in response to at least one of the wet bulb temperature and the dry bulb temperature.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for selective heating. In some implementations, a cooking device for selective heating includes a cavity, one or more waveguides coupled to the cavity, a power generation means coupled to the one or more waveguides and configured to generate an incident power, one or more apertures between the cavity and the one or more waveguides, and a controller configured to control one or more of the power generation means, the apertures, or a cavity geometry. A cooking device cavity geometry can be dynamically configurable. The cooking device can include one or more sensors coupled to the cavity.

An electromagnetic cooking device and method of controlling the same is provided herein. The cooking device has a cavity in which popcorn is placed and a plurality of RF feeds configured to introduce electromagnetic radiation into the cavity for popping the popcorn. A controller is provided and is configured to: analyze forward and backward power at the plurality of RF feeds to calculate efficiency; determine and monitor a coefficient of variation of the efficiency; detect a popping state of the popcorn based on changes in the coefficient of variation; and adjust a power level of the electromagnetic radiation in response to detection of the popping state.