Abstract: Some exemplary aspects of the invention may be directed to an apparatus for processing an object by RF energy applied at a plurality of excitation setups. The apparatus may include a controller configured to select one or more excitation setups, from among a plurality of pilot excitation setups, for applying RF energy to a rotating chamber; and cause a source of RF energy to apply RF energy at the one or more selected excitation setups, wherein the controller is configured to both select the one or more excitation setups and cause the source of RF energy to apply RF energy to the one or more selected excitation setups at least twice during a single rotation of the rotating chamber. The apparatus may be a dryer.

Abstract: An apparatus for applying RF energy to an energy application zone is disclosed. The apparatus may include: a set of receiving radiating elements, including at least first and second radiating elements sequentially interconnected. The sequential interconnection may be such that energy received by one of the receiving radiating element from the energy application zone is emitted back to the energy application zone by the next radiating element in the sequence and energy received by the last radiating element in the sequence from the energy application zone is emitted back to the energy application zone by the first radiating element in the sequence.

Abstract: Disclosed is an apparatus for applying RF energy to an object in an energy application zone via one or more radiating elements at a plurality of modulation space elements (MSEs). The apparatus may include at least one processor configured to cause supply of RF energy to one or more of the radiating elements in a first subset of the plurality of MSEs, at a first power level common to the MSEs in the first subset and for varying time durations, and cause supply of RF energy to one or more of the radiating elements in a second subset of the plurality of MSEs, at power levels lower than the first power level and for a time duration common to the MSEs of the second subset.

Abstract: An apparatus for applying electromagnetic (EM) energy to an object in an energy application zone via at least one radiating element at a plurality of modulation space elements (MSEs) is disclosed. The apparatus comprises: at least one processor configured to determine an amount of energy to be supplied to the at least one radiating element at a first subset of the plurality of MSEs, determine an energy application schedule comprising timing instructions for applying energy at at least a subset of the plurality of MSEs, and cause application of energy according to the determined amounts of energy and the determined energy application schedule.

Abstract: An apparatus for applying RF energy, via an antenna, to an object placed in a cavity is disclosed. The apparatus includes a Direct Digital Synthesis (DDS) frequency source configured to feed the antenna with RF energy at a plurality of frequencies, and a controller configured to control the DDS frequency source to apply RF energy to the object.

Abstract: Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application.