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避免接触按钮导致病毒交叉感染，中国安徽合肥出现“无接触”按钮电梯，想要使用电梯的人士，只要在电梯内所提供的设备上方点击“空气屏幕”，即可抵达想要的楼层。

研发设备的安徽东超科技有限公司品牌负责人朱永志表示，该产品每台售价人民币1.5万元（约9028令吉），目前已经在当地医院、政府单位等机构使用。

据朱永志介绍，该产品是将一个小盒子状产品装在电梯内，无缝衔接现有的电梯系统，基于可交互空中成像技术，电梯按钮以影像形式在空中呈现一个悬浮键，用户只需按悬浮键即可。

只有正面使用设备的用户能看见浮空键，因此可起到保护用户隐私的信息和安全性。