Invention Grant
US07737945B2 Pointing device with moveable magnetic disc and method 有权
带可移动磁盘的指向装置和方法

Pointing device with moveable magnetic disc and method
Abstract:
Disclosed is a pointing device for facilitating user interaction with an electronic device. The pointing device includes a magnetic disc, a magnetic field over which the magnetic disc laterally travels in response to force applied by a user, and a plurality of sensors to detect the location of the magnetic disc relative to the magnetic field.
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