Patent ID: 7784133

Claim:
A water level control method of a washing machine including a water tub and a rotary drum mounted in the water tub to receive laundry, the rotary drum having no holes formed at the side corresponding to the water tub such that the flow of water from the water tub into the rotary drum is prevented, the water level control method comprising: supplying water between the water tub and the rotary drum; introducing the supplied water into the rotary drum, discharging the introduced water out of the rotary drum, and detecting the water level of the water remaining in the water tub; comparing the detected water level with a predetermined water level and, when the detected water level is below the predetermined water level, resupplying water between the water tub and the rotary drum; and introducing the resupplied water into the rotary drum, discharging the introduced water out of the rotary drum, and controlling the water resupply operation until the water level of the water remaining in the water tub reaches the predetermined water level.