Cursor control device for use with display system

Details Cursor control device for use with display system Cursor control device for use with display system

G - Physics

09

G

375/11, 340/135.

G09G 1/00 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1215794

ABSTRACT OF THE INVENTION A cursor control device having particular application to a computer display system is disclosed. The cursor control includes a unitary framer having a domed portion substantially surrounding and retaining a ball which is free to rotate. X-Y position indicating means are provided, such that rotation of the ball provides signals indicative of X-Y positions on the display system. The ball is free to "float" in the vertical direction within the dome, and thereby maintain good surface contact. X-Y positions are established by movement of the control device over a surface. A display system and method is disclosed for use in conjunction with the cursor control device, which permits a user to select command options simply by movement of the displayed cursor over a "pull-down" menu bar.

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