| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a projector capable of clearly displaying a projection image of a projection optical device at either low or high temperature. <P>SOLUTION: A projector of the present invention includes: a projection optical device 4 that projects an image; operating time measurement means (operating time measurement unit) 5 that measures operating time; and control means (control unit) 7 that controls the projection optical device 4 according to the operating time measured by the operating time measurement means 5. <P>COPYRIGHT: (C)2012,JPO&INPIT |
