One dimensional and three dimensional extensions of the...

Details One dimensional and three dimensional extensions of the... One dimensional and three dimensional extensions of the...

2005-02-04

2009-11-10

Tran, My-Chau T (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S156000, C345S173000, C178S018010, C178S108000, C178S018060

Reexamination Certificate

active

07616195

ABSTRACT:
In one embodiment of the invention, a method for providing three-dimensional motion inputs to a device includes measuring characteristics (e.g., capacitances) between sense electrodes and a reference electrode on a movable pad, determining three-dimensional displacements of the movable pad from the capacitances, determining the three-dimensional motion inputs from the three-dimensional displacements of the movable pad, and providing the three-dimensional motion inputs to the device.In another embodiment of the invention, a pointing device mounted on a surface of a host device includes sense electrodes, a frame, a movable pad flexibly mounted in an opening of the frame. The movable pad includes a reference electrode opposite the sense electrodes. The opening limits the motion of the movable pad to a single axis on the surface and to an axis into the surface.

REFERENCES:
patent: 5748185 (1998-05-01), Stephan et al.
patent: 5844415 (1998-12-01), Gershenfeld et al.
patent: 5856822 (1999-01-01), Du et al.
patent: 6359616 (2002-03-01), Ogura et al.
patent: 6891382 (2005-05-01), Post et al.
patent: 2002/0190727 (2002-12-01), Morimoto

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