| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a prompter capable of increasing the amount of information to be displayed. <P>SOLUTION: A prompter 1 of the present invention includes a display unit 4 that has a display surface for displaying an image based on an image signal to be input, and a Fresnel lens 5 that creates a spatial image taking the image on the display surface as a real image. The spatial image can be observed as a real image from the light-emission side of the Fresnel lens 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
