| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image supply device, an image projection system, a method for controlling the image supply device, and a program by which the projection of an image from a projector can be started at desired timing. <P>SOLUTION: When a projector is connected to a computer, the CPU of the computer reads an image supply program from the storage part of the projector, and starts an operation based on the program. First, the CPU displays a frame image Gf for designating a projection range of the projector and a projection start button Gs on the screen of a liquid crystal display. A user is permitted to change the frame image Gf, namely, a position or a size of the projection range by dragging the frame image Gf, and project an image from the projector within a range designated by the frame image Gf by clicking the projection start button Gs. <P>COPYRIGHT: (C)2011,JPO&INPIT |
