| 摘要 |
<p>An electronic input device for transmitting signals to a computer, the computer having a screen for displaying information thereon and a cursor indicating where on the screen the next transmitted information will be effected. The input device provides a pointing function, a click button function, and a scrolling and zoom function. The pointing function is provided by a pointing device such as a touch pad or trackball built into a data entry surface of the input device. The click button function is provided by one or more click buttons disposed on a front end of the input device adjacent the data entry surface. The scrolling and zoom functions are provided by a wheel, roller bar, or buttons disposed adjacent to the pointing device. The pointing device, click buttons, and scrolling/zooming device are operable by a user's thumb or finger such that the user may perform any combination of the functions simultaneously, quickly, comfortably and with a minimum of effort and hand movement.</p> |
