| 摘要 |
PROBLEM TO BE SOLVED: To provide a projector apparatus 10 capable of assisting the management of a lecture time. SOLUTION: Regarding the projector apparatus 10 for projecting an image, the apparatus is provided with a target time storage part 110 for storing the target time for continuously projecting a projection image, a projection part 106 for projecting the projection image, a switching detection part 108 for detecting the switching of the projection image. a time counting part 202 for counting an elapsed time while the projection image is projected by the projection part 106, and an information part 204 for giving information to a user with a prescribed condition based on the relation between the elapsed time and the target time. COPYRIGHT: (C)2005,JPO&NCIPI
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