| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a projector, a projection system, a projector control method, and a program which are capable of projecting an image without discomfort even when the size of a projection surface changes. <P>SOLUTION: A projector 11 which projects an image on an electrically-driven screen 2 provided with an area-variable projection region 201 comprises: projection means which projects an image; screen size detection means which detects the size of the projection region 201 in the electrically-driven screen 2; and projection control means which if the size of the projection region 201 detected by the screen size detection means is smaller than a predetermined size, controls the projection means to project a part of an image within the projection region 201, with magnification applied when projecting the entire image in the projection region 201 of the predetermined size. <P>COPYRIGHT: (C)2013,JPO&INPIT |
