Patent ID: 7412740
Filing Date: 2008-08-19
Classification: D06F

Abstract:
1. A method of controlling a washing machine in which laundry contained in a rotating tub is spin-dried in accordance with a rotation of the rotating tub caused by driving of a motor connected to the rotating tub, the control method comprising: sensing a weight of the laundry; and controlling a speed of the motor in accordance with the sensed weight of the laundry during the driving of the motor to sense an unbalance condition of the rotating tub, wherein the controlling of the speed of the motor is performed in a first speed mode, the first speed mode being set depending on the weight of the laundry, or in a second speed mode, the second speed mode being set depending on the information about the set first speed mode, the first and second speed modes, respectively, including information about one or more speed gradients to vary the speed of the motor, the information regarding at least one of the speed gradients of each of the modes differing from each other.