| 摘要 |
<p>An interactive desk system (10) comprising a horizontal desktop (14), part of which is at least partially light transmissive, the part having an underside surface, a top display surface (26), a user-positionable and operable locator providing an output indication of its location, a computer (32) receiving the output indication of the location of the locator, a display projector coupled to the computer for projecting the pattern through the underside surface of the desktop surface to be visible on the top display surface.</p> |
