Patent ID: 8365085

Claim:
An image display apparatus having buttons to select items of a display, comprising: an image display unit including zones to display an image indicating functions assigned to the buttons; a second set of buttons; a graphics processing unit to supply images displayed by the image display unit; a pivot detector to detect a pivot angle of the image display unit and to provide the pivot angle detected to the graphics processing unit such that the graphics processing unit supplies an image to the image display unit at a same pivot angle as the image display unit; and a controller to set display parameters of the image display apparatus, to perform operations assigned to the buttons, to generate image information to be displayed in the zones and to supply the image information to the graphics processing unit, wherein the image display unit displays the image in the zones rotated according to the pivot angle at a position close to the buttons, and wherein when the image display unit is pivoted, the zones become in close corresponding relationship with the second set of buttons.