Patent ID: 7827639
Filing Date: 2010-11-09
Classification: D06F

Abstract:
1. A method for controlling a washing machine, comprising the steps of: sensing a laundry amount through a first laundry amount sensing process; performing a washing operation corresponding to the sensed laundry amount; sensing an opening of a door during the washing operation; if the opening of the door is sensed, performing a second laundry amount sensing process; and supplying a washing water additionally according to the sensed laundry amount when the laundry is added, and re-performing the washing operation, wherein the first and second laundry amount sensing processes differently select any one of a driving time measuring method, a pulse number measuring method, a method of supplying a washing water to a tub and counting the number of occurrences of water re-supply, and a method of rotating the tub and calculating a slope of a rotation speed.