Patent 8190326 was granted and assigned to Sony on May, 2012 by the United States Patent and Trademark Office.
The present invention is applied to, for example, a multimedia terminal having a function of navigation equipment and a function of playing back video and switches a display from a map display to a source display also with source switching operators 13P, 13R. In addition, menus of upper and lower hierarchies are simultaneously displayed to accept operations through a touch panel and a remote commander. In addition to a press-operable main rotary operator, a press-operable sub rotary operator is provided on a side surface. Among operations accepted through the main rotary operator, only a specific operation relating to content processing is accepted through the sub rotary operator.