发明授权
US5751399A Film slides having data windows 失效
电影幻灯片有数据窗口

Film slides having data windows
摘要:
A film slide including a transparency having an image section bearing a visual image and a data section bearing encoded data relating to the visual image; and a mount having front and back panels. The panels each define an image window overlapping the image section. At least one of the panels defines a data window overlapping the data section.
公开/授权文献
信息查询
0/0