Importance

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Abstract

A computer-implemented user interface having a semi-transparent scroll bar tool for increased screen usage. The present invention includes a user interface having one or more scroll bar tools displayed within a window area of a computer screen. The scroll bars are semi-transparent in that they allow the visualization of text and/or other graphical information that coincides in screen location with the scroll bars (e.g., 'behind information'). By allowing the visualization of 'behind information,' the present invention effectively increases the display screen's usable space for displaying information to a user. This capability is particularly advantageous when used in combination with products that have small display screens and/or when used in combination with products that allow the user to interact with the display screen (e.g., for inputting or accessing information using a touch screen or stylus etc.). For instance, the present invention is particularly advantageous for use on the relatively small screens of personal digital assistants (PDAs), portable telephones, portable computing devices, etc. Within the present invention, each scroll bar tool includes a semi-transparent graphical image with which a user can interact thereby effecting the horizontal or vertical scrolling of text and/or other graphical information associated with an open work file or 'document.' In one embodiment, the size of the graphical image depends on the relative portion of information displayed on the display screen to the total information within the open document in a given direction (e.g., horizontal or vertical).

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First Claim