| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a prompter device that controls the size of image information depending on distance between a subject and the prompter device to allow the subject to easily see the image information. <P>SOLUTION: A prompter device has a lens, and includes: an imaging optical unit that takes an image of a subject; a display unit that has a display screen for displaying an image; distance measuring means for measuring distance to the subject; and control means for controlling the display unit in such a way that the image is displayed larger on the display screen as the distance to the subject obtained by the distance measuring means becomes longer. <P>COPYRIGHT: (C)2013,JPO&INPIT |
