Patent ID: 9021378
Filing Date: 2015-04-28
Classification: G06F

Abstract:
1. A mobile terminal comprising: a touch screen; and a controller configured to: display a virtual key pad including a plurality of virtual keys on the touch screen, and receive a touch action on one of the plurality of virtual keys via the touch screen wherein when one of the plurality of virtual keys is selected via the touch action, the controller displays a plurality of additional virtual keys adjacent to the selected virtual key, wherein the plurality of additional virtual keys includes a first additional virtual key that has an identifier that is the same as the selected virtual key and at least one second additional virtual key that does not have an identifier that is the same as that of the plurality of virtual keys, wherein the touch screen has a sensing zone corresponding to each of the plurality of virtual keys to sense a touch action of each of the plurality of virtual keys, and wherein the controller is configured to: identify a touch pattern of the touch action on one of the plurality of virtual keys; and change at least one of an area or position of the sensing zone corresponding to the touched virtual key to correspond to the identified touch pattern, wherein at least one of the area or position of the sensing zone of the touched virtual key is different from at least one of an area or position of the touched virtual key, and wherein the area of the sensing zone of the touched virtual key is equal to or smaller than that of the touched virtual key.