| 摘要 |
A computer interface device has a housing configured with a first sensor for detecting a position change of the computer interface device on a surface, a touch pad configured with the housing for generating touchpad signals, and a wireless link to transmit the first pair of parameters and the touchpad signals to a computing device. In an application, the first sensor provides a first pair of parameters to indicate the position of the housing on the surface and control cursor displayed on a screen of the computing device. The touch pad may be configured to detect gestures and provides signals responsive to the gestures over a wireless link for controlling a displayed object or attribute on the screen of the computing device. The touch pad may also be configured to detect a plurality of contacting fingers and to provide signals over a wireless link used to control a displayed object or attribute on the screen of the computing device.
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