空气触摸屏

Turns Air into a Multi-Touch Screen

最近几年，基于动作和多点感应的交互系统不断涌现，其中也不乏可以在空中对电脑和投影仪进行控制的装置，一般是使用摄像机和感应器来追踪。美国德克萨斯的A＆M大学在日前推出了一种新型的“空气触摸屏”，使用了另外一种技术，名为“红外线光束矩阵”。

Touch-sensitive frames have enabled surfaces to become interactive for years,but their size and responsiveness tend to be limited.A new prototype called 'Zero-Touch' might look like an empty frame,but it's actually full of advanced capabilities.