Patent ID: 7298364

Claim:
A display device comprising: a touch panel; a first storage means having stored therein data for displaying a plurality of input buttons on the touch panel; a second storage means having stored therein data on the input buttons to be changed in appearance when one of the input buttons is pushed in association with the pushed input button and for each pushed input button; a third storage means having stored therein data on a manner of changing in appearance of each of the input buttons which are to be changed in appearance when one of the input buttons is pushed for each pushed input button; and a means for identifying ones of the input buttons which are to be changed in appearance on the basis of the data stored in the second storage means when one of the input buttons is pushed and changing the appearance of the identified input buttons on the basis of the data stored in the third storage means; wherein the third storage means stores data for changing the appearance of the pushed input button and surrounding input buttons including input buttons adjacent to the pushed input button so that these input buttons will look as if they sank spherically about the pushed input button toward the pushing direction.