Virtual ring eases scrolling Image TRN 121504

Description: This virtual scroll ring allows users to navigate through documents on tablet PCs without having to take their eyes off the text to look at the navigation device. The inset shows a hardware scroll ring.

Source: Brown University

Story: Virtual ring eases scrolling
TRN December 15/22, 2004

TRN Categories: Human-Computer Interaction

Form: Still

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