| 摘要 |
<P>PROBLEM TO BE SOLVED: To readily project various images instead without connecting another device as a host when document data etc., are not projected. <P>SOLUTION: The projection device includes projection parts (14 to 25) which form and project a light image corresponding to an image signal input from outside, an external memory connector part 34 where an external memory capable of storing a predetermined file name and an image file for predetermined file identification can be attached and detached, and a control unit 27 which decides that the external memory is attached to the external memory connector part 34 and the predetermined file name and image file for predetermined file identification are stored in the loaded external memory, reads the predetermined file name and image file for predetermined file identification out of the external memory according to the decision result, and makes the projection parts (14 to 25) project them. <P>COPYRIGHT: (C)2009,JPO&INPIT |
