Abstract:
The present invention relates to a cooking control method performed by a cooking apparatus for a food item. The method comprises obtaining a unique identifier and cooking data for the food item, and checking for a record of the unique identifier in a memory of the cooking apparatus. If a record of the unique identifier is located in the memory, then the cooking apparatus will not cook the food item. Otherwise a cooking process based on the cooking data to cook the food item is performed. Accordingly, cooking data for a given instance of a food item can only be used once in order to activate a cooking process performed by the cooking apparatus. The present invention also features product recall as well as the ability to track food item sales via a cooking data communications system.
Abstract:
A solid state, radiant energy power generator and control system for heating an object in a radiant energy cavity a radiant energy heated oven is disclosed, where the system includes a digital processing unit (DPU), an DPU interface, a device controller, a frequency regulator, a voltage control oscillator, a power regulator, an amplifier, and a reverse/forward power sensing means.
Abstract:
Power Supply for Radio Frequency Heating Apparatus An RF generator power supply comprises a first switched mode power supply (SMPS) connected in series to a second SMPS bya DC bus. A capacitor is arranged between the outputs of the first SMPS and inputs of the second SMPS to act as a smoothing capacitor for the first SMPS and to supply pulse energy to the second SMPS. The second SMPS has an output connected toan input of a step-up transformer and an output of the step-up transformer is connected to an input of a rectifier connectable to the RF generator. An input ofthe first SMPS is connectable to aprime power supply tomaintain a high power factor withlow harmonic content while setting anoperating voltage and peak current levelfor the RF generator. The second SMPSis arranged to feed thestep-up transformer and is arranged to operatewith a variable duty cycle and/or variable frequency to provideaverage power controlofthe RF generator. The second SMPS is rapidly switched off on detection of a power surge throughthe RF generator.
Abstract:
A microwave oven (1 ), especially for personal use, comprises a relay connected to a sound sensor (3) arranged in the microwave oven in such a manner that the supply of power by microwaves in the oven (1) in use is interrupted by the relay at a signal from the sound sensor (3) when an acoustic signal is generated by a valve (4) of a container (2) to that being heated in the microwave oven (1 ).