Pointer tool

Details Pointer tool Pointer tool

2011-08-23

2011-08-23

Desire, Gregory M (Department: 2624)

Image analysis

Applications

Personnel identification

C345S157000, C345S173000, C382S315000

Reexamination Certificate

active

08005275

ABSTRACT:
This invention relates to a pointer tool for connecting to a display device, comprising a number of sensors elements being positioned on a two dimensional surface, for measuring a predetermined parameter at a surface, the measured quantity being sampled at a chosen rate, and calculating means for comparing the measurements from the sensor elements for detection of movements in two dimensions over the elements based on changes in the measured parameter, the time between the changes and the known relative positions between the sensor elements.

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