| 摘要 |
PROBLEM TO BE SOLVED: To provide an image projecting display apparatus capable of omitting troublesome adjusting operation at the time of installation without constituting a complicated adjusting mechanism. SOLUTION: The image projecting display apparatus is provided with a display device 18-1 for displaying an image based on inputted adjusting image data, a projecting optical system 21 for projecting the image displayed on the display device 18-1 to a screen 17, a light quantity sensor 15 for detecting light quantity reflected on the surface of the screen 17 out of projecting light of the image, and a system control part 10 for controlling the image projected by the projecting optical system 21 on the basis of the light quantity detected by the light quantity sensor 15. COPYRIGHT: (C)2006,JPO&NCIPI
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