| 摘要 |
<p>A keyboard or keyboard unit comprises an upper surface and a lower surface, and a front edge. An array of keys is disposed on the upper surface. One or more control buttons are disposed on the front edge, wherein the control buttons are configurable to provide a first functionality such as mouse button functionality. A user is able to depress the one or more control buttons by moving a thumb in a direction generally perpendicular to the front edge. The keyboard is able to couple with a display unit to provide a tablet form factor wherein the one or more control buttons are accessible in the tablet form factor. The control buttons are configurable to provide a first functionality such as a mouse button for a notebook form factor, and to provide a second functionality such as controls suitable for a tablet for a tablet form factor.</p> |
