Patent ID: 9323437
Filing Date: 2016-04-26
CPC Classification: G06F

Claim Text:
1. A method for displaying a scale for an enlargement and reduction operation on a touch screen, the method comprising: detecting, using a multi-touch detection sensor, a plurality of touches by a user on the touch screen; detecting an enlarging operation or a reducing operation caused by the user applying two operating fingers to the touch screen; capturing, using a camera, the touches of the two operating fingers of the user, and determining whether the touch is a right-hand operation of the user or a left-hand operation of the user; and displaying an enlargement factor or a reduction factor on the touch screen at a position adjacent the two operating fingers of the user based on the determination of the right-hand operation or left-hand operation, such that the enlargement factor or reduction factor is displayed at a position outside a line connecting tips of the two fingers of the user; wherein the touch screen displays text, and the enlargement factor or the reduction factor indicates a point value corresponding to the displayed text.