Patent ID: 9307583
Filing Date: 2016-04-05
CPC Classification: H05B,Y02B

Claim Text:
1. A cooking apparatus comprising: a cavity; and a microwave generator to generate and output microwaves of a plurality of frequencies to heat an object within the cavity, and a controller to calculate interpolated microwave frequencies for a heating session, based on microwave frequencies calculated based on heating efficiencies during a scanning session, and to calculate heating times of the calculated interpolated microwave frequencies, wherein the heating times are calculated based on an inverse relationship of the heating efficiencies of the microwave frequencies during the scanning session, wherein a frequency interval between the microwaves output to the inside of the cavity during the heating session is narrower than a frequency interval between microwaves output to the inside of the cavity during the scanning session, wherein the controller controls the microwave generator during the heating session such that the microwave generator outputs microwaves of a next interpolated microwave frequency if a heating efficiency of interpolated microwaves of a frequency based on microwaves reflected by the inside of the cavity is below a reference efficiency.