FIELD: radio engineering, communication.
SUBSTANCE: touch screen displays an image and receives a touch input from a user in at least one point; a sensor unit detects movement of the device; a movement computer calculates a movement value of the device after detecting movement of the device in the sensor unit, and if at least one point on the touch screen is touched, a controller determines the number of touch points; receives information on the movement value of the device from the movement computer and determines whether to change the size of the image or the position of the image according to the number of touch points.
EFFECT: faster input.
15 cl, 17 dwg
