Vertical translation of mouse or trackball enables truly 3D inpu

Details Vertical translation of mouse or trackball enables truly 3D inpu Vertical translation of mouse or trackball enables truly 3D inpu

1996-03-12

1998-07-21

Luu, Matthew

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345163, G09G 508

Patent

active

057840520

ABSTRACT:
A trackball enables entering 3D coordinates into a data processing system through both rotation of the ball and vertical translation of the ball relative to its casing. Software controlled tactile feedback means provides 3D tactile cues to the user when manipulating the ball. The trackball enhances interactivity in a multi-media enviroment.

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