Patent ID: 6580436
Filing Date: 2003-06-17
Classification: G06F,G09G

Abstract:
A terminal device for mobile communication of data with an external server through a digital network and for displaying a document composed of display elements of different types including characters and images, said terminal device comprising:a reception unit operable to receive, from a user, a scroll instruction for scrolling the document on a display screen; a basic amount determination unit, responsive to the scroll instruction from said reception unit, operable to determine a basic moving amount according to the scroll instruction; a display element information holding unit operable to hold information required for displaying the display elements composing the document; a display element searching unit operable to search the display elements for a reference display element to be displayed across a boundary of the display screen if the document is scrolled based on the basic moving amount determined by said basic amount determination unit, by using the information held by said display element information holding unit; an offset determination unit operable to calculate an offset moving amount based on the reference display element found by said display element searching unit; a calculation unit operable to calculate an actual moving amount from the basic moving amount determined by said basic amount determination unit and the offset moving amount calculated by said offset determination unit; and a display processing unit operable to scroll the document according to the actual moving amount calculated by said calculation unit.