Patent 7669267 was granted and assigned to Samsung on March, 2010 by the United States Patent and Trademark Office.
Disclosed is a method of controlling a ball balancer of a washing machine. The method includes variously setting sensing time corresponding to a plurality of water temperature ranges to detect an unbalanced mass, detecting imbalance of laundry and a laundry volume based on a water temperature, which is measured in real time, and the preset sensing time when an optional dehydration mode starts and performing a dehydration process.