| 摘要 |
An operating structure of an electric pointing device is provided. The operating structure includes a multi-directive movable part, comprising a manual operating area and at least a button. The manual operating area includes a curved surface contacted and moved by a palm of a hand, wherein the buttons are installed on the curved surface, such that the locations of the buttons are easy for fingers of the hand to touch and operate the buttons accordingly. A knob is installed on the curved surface for leaning against a part of the hand between a thumb and an index finger. In accordance, a relative position between the hand operating the curved surface and the fingers operating the buttons remains unchanged when the multi-directive movable part is moved.
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