| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a projection device which improves usability for a user. <P>SOLUTION: A projection device includes: a light source 15; projection parts 12-14, 16 and 17 that form a light image using light emitted from the light source 15 and projects it towards a projection object; and a CPU 27 and a projection light driving part 26 that make the light image projected by the projection parts 12-14, 16 and 17 into a mute image with suppressed luminance, determine whether a time period in which a black light image is projected by the projection parts 12-14, 16 and 17 becomes a preset time period or not, and cancels the projection of the black light image according to the determined result. <P>COPYRIGHT: (C)2013,JPO&INPIT |
