发明授权
US4509837A Real image projection device 失效
真实图像投影设备

Real image projection device
摘要:
An optical display device for creating the of an object out in space in front of the viewer. The device uses an illuminated object, with a transparent medium in the form of a prism or fluid placed between a beam splitter and a matrix of retroreflectors for deflecting the light rays from the illuminated object back toward the object.
公开/授权文献
信息查询
0/0