| 摘要 |
<p>An inherently safe and handy pointing device (22) comprises a bottom (20), housing (30) attached on top of the bottom, means for controlling a relative cursor position, a plurality of actuators, at least one to three, and preferably two of which are mounted adjacent to a front surface (24), the front side actuators (34) being designed to be activated by finger moves or pressure directed substantially horizontally or vertically upward, the front side actuators being further designed to be protected from actuation by substantially vertical downward loads.</p> |
