| 摘要 |
a timer(2) for controlling power of magnetron up to 0-100 percent every one period according to a rotation angle of a power regulating shaft(4); a time regulating nob(5) for setting a cooking time by turning a cooking time selection shaft(3) of the timer(2); a first switch(6) for turning on/off the power of the magnetron, a second switch(7) for turning on/off the power of a heater; a cam(10) having sections turning off all of the first and second switches, turning on only the first switch, turning both the first and second switches, and turning only the second switch; a plurality of transmission gears(15) and a selection nob(8) for selecting the heater and a power level of the magnetron by turning the transmission gear and the cam.
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