| 摘要 |
<p>An interactive food and/or drink ordering system is provided comprising a computer controlled projector apparatus and a horizontal surface, wherein images from the computer controlled projector apparatus are projected onto some or all of the surface, the images including a menu of food and/or drink selection options, the selection options being selectable by a first user operating an interface device operable to provide input to the computer and also by a second user operating an interface device operable to provide input to the computer, wherein the menu of food and/or drink selection options is projected into a zone on the surface that is shared by the first and second users.</p> |
