| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a projector with which the presented content of a document is confirmed after presentation is finished. <P>SOLUTION: The projector which successively projects a projected image received from a computer to a screen by a projection means is equipped with a storage device, a detection means for detecting whether or not the received projected image is changed from the projected image projected just before, a recording means for successively recording the received projected image in the storage device when the received projected image is changed from the projected image projected just before, a thumbnail generation means for generating a thumbnail image obtained by reducing the received projected image and a uniform image judging means for judging whether or not the received projected image is a uniform image. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
